ALBERT

All Library Books, journals and Electronic Records Telegrafenberg

Ihre E-Mail wurde erfolgreich gesendet. Bitte prüfen Sie Ihren Maileingang.

Leider ist ein Fehler beim E-Mail-Versand aufgetreten. Bitte versuchen Sie es erneut.

Vorgang fortführen?

Exportieren
Filter
  • Artikel  (59)
  • Adult  (37)
  • Kinetics  (23)
  • American Association for the Advancement of Science (AAAS)  (59)
  • Annual Reviews
  • 1980-1984  (59)
  • 1965-1969
  • 1955-1959
  • 1930-1934
  • 1980  (59)
  • Chemie und Pharmazie  (59)
Sammlung
  • Artikel  (59)
Verlag/Herausgeber
Erscheinungszeitraum
  • 1980-1984  (59)
  • 1965-1969
  • 1955-1959
  • 1930-1934
Jahr
Thema
  • 1
    Publikationsdatum: 1980-12-12
    Beschreibung: Two- to threefold variations in sleep length were observed in 12 subjects living on self-selected schedules in an environment free of time cues. The duration of polygraphically recorded sleep episodes was highly correlated with the circadian phase of the body temperature rhythm at bedtime and not with the length of prior wakefulness. Furthermore, the rate of REM (rapid eye movement) sleep accumulation , REM latency, bedtime selection, and self-rated alertness assessments were also correlated with the body temperature rhythm.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Czeisler, C A -- Weitzman, E d -- Moore-Ede, M C -- Zimmerman, J C -- Knauer, R S -- AG-00792/AG/NIA NIH HHS/ -- GM-07365/GM/NIGMS NIH HHS/ -- MH-28460/MH/NIMH NIH HHS/ -- New York, N.Y. -- Science. 1980 Dec 12;210(4475):1264-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7434029" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adult ; Body Temperature ; *Circadian Rhythm ; Humans ; Male ; Middle Aged ; Sleep/*physiology ; Sleep, REM/physiology ; Wakefulness
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 2
    Publikationsdatum: 1980-03-28
    Beschreibung: When microbial strains compete for the same limiting nutrient in continuous culture, resource-based competition theory predicts that only one strain will survive and all others will die out. The surviving strain expected from theory will be the one with the smallest subsistence or "break-even" concentration of the limiting resource, a concentration defined by the J parameter. This prediction has been confirmed in the case of auxotrophic bacterial strains competing for limiting tryptophan. Because the value of J can be measured on the strains grown alone, the theory can predict the qualitative outcomes of mixed-growth competition in advance of actual competition.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hansen, S R -- Hubbell, S P -- New York, N.Y. -- Science. 1980 Mar 28;207(4438):1491-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6767274" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Bacteria/*growth & development ; Culture Media ; Drug Resistance, Microbial ; Escherichia coli/growth & development ; Kinetics ; Models, Theoretical ; Nalidixic Acid/pharmacology ; Nutritional Physiological Phenomena ; Pseudomonas aeruginosa/growth & development ; Tryptophan/metabolism
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 3
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1980-03-21
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Holden, C -- New York, N.Y. -- Science. 1980 Mar 21;207(4437):1323-5, 1327-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7188816" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adult ; Environment ; Female ; Genetics, Medical ; Humans ; Intelligence ; Male ; Pregnancy ; Twins/*psychology ; Twins, Monozygotic/*psychology
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 4
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1980-05-09
    Beschreibung: Olfactory sensitivity to acetic acid, isobutyric acid, and 2-sec-butyl-cyclohexanone was tested in 97 adult male twin pairs to determine the extent to which variation in odor perception was genetically determined. Analysis of the data revealed no evidence for heritability of olfactory sensitivity. However, factors significantly associated with odor perception included cigar, pipe, and cigarette smoking; body fatness; alcohol consumption; and diabetes mellitus.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hubert, H B -- Fabsitz, R R -- Feinleib, M -- Brown, K S -- New York, N.Y. -- Science. 1980 May 9;208(4444):607-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7189296" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Acetates ; Adult ; Alcohol Drinking ; Butyrates ; Cyclohexanones ; *Environment ; Female ; *Genes ; Humans ; Male ; Middle Aged ; Pregnancy ; Sensory Thresholds ; Skinfold Thickness ; Smell/*physiology ; Smoking ; *Twins ; Twins, Dizygotic ; Twins, Monozygotic
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 5
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1980-07-25
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kolata, G B -- New York, N.Y. -- Science. 1980 Jul 25;209(4455):475-6, 478-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7394512" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adult ; Anorexia Nervosa ; Female ; *Human Experimentation ; Humans ; *Jurisprudence ; Lithium ; *National Institutes of Health (U.S.) ; *Patient Selection ; *Research ; *Research Subjects ; Sleep ; United States ; Vomiting
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 6
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1980-02-15
    Beschreibung: Autoradiographic and biochemical analyses of the hearts of female rhesus monkeys and baboons indicate that atrial and ventricular myocardial cells contain androgen receptors. Although the specific effects of nuclear uptake and retention of androgen on the function of heart muscle cells are not known, the presence of this receptor suggests that sex steroid hormones may affect myocardial function directly and may explain some of the peculiar differences in heart disease between men and women.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉McGill, H C Jr -- Anselmo, V C -- Buchanan, J M -- Sheridan, P J -- New York, N.Y. -- Science. 1980 Feb 15;207(4432):775-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6766222" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Androgens/*metabolism ; Animals ; Coronary Disease/*etiology ; Dihydrotestosterone/metabolism ; Estradiol/metabolism ; Female ; Haplorhini ; Kinetics ; Macaca mulatta ; Myocardium/*metabolism ; Papio ; Receptors, Androgen/*metabolism ; Receptors, Steroid/*metabolism ; Sex Factors
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 7
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1980-02-08
    Beschreibung: Heroin-dependent men were given buprenorphine (a partial opiate agonist-antagonist) or a placebo under duoble-blind conditions on a clinical research ward where they could acquire heroin (21 to 40.5 milligrams per day, intravenously). Buprenorphine significantly (P less than .001) suppressed the self-administration of heroin over 10 days. Control subjects took between 93 and 100 percent of the available heroin. The effects of buprenorphine were dose-dependent; a dose of 8 milligrams per day reduced heroin use by 69 to 98 percent; a dose of 4 milligrams per day reduced heroin use by 45 percent. Termination of buprenorphie maintenance did not result in opiate withdrawal signs or symptoms. The subjects liked buprenorphine and indicated that it was preferable to methadone or naltrexone. Buprenorphine should be a safe and effective new pharmacotherapy for heroin dependence.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mello, N K -- Mendelson, J H -- New York, N.Y. -- Science. 1980 Feb 8;207(4431):657-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7352279" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adult ; Buprenorphine/adverse effects/*therapeutic use ; Double-Blind Method ; Heroin Dependence/*drug therapy ; Humans ; Informed Consent ; Morphinans/*therapeutic use ; Substance Withdrawal Syndrome/prevention & control ; Substance-Related Disorders/prevention & control
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 8
    Publikationsdatum: 1980-07-25
    Beschreibung: Accurate measurements of intracellular calcium activities in salivary gland epithelial cells of the insect Phormia regina were obtained with microelectrodes in which N,N'-di(11-ethoxycarbonyl)undecyl-N,N'-4,5-tetramethyl-3,6-dioxaoctane diacid diamide wsa incorporated in a liquid membrane system. When calibrated in solutions approximating the ionic concentration of the cell interior, these microelectrodes gave rapid stable responses that were linear functions of the logarithm of calcium activities and were not affected by potassium, sodium and magnesium. Continuous monitoring of calcium activities during serotonin-induced saliva release provided direct evidence of hormonal influence on transmembrane calcium movement and spontaneous regulation of intracellular calcium by stimulated cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉O'Doherty, J -- Youmans, S J -- Armstrong, W M -- Stark, R J -- New York, N.Y. -- Science. 1980 Jul 25;209(4455):510-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7394518" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Biological Transport/drug effects ; Calcium/*metabolism ; Diptera/*metabolism ; Epithelium/metabolism ; Kinetics ; Magnesium/pharmacology ; Microelectrodes ; Salivary Glands/drug effects/*metabolism ; Serotonin/pharmacology
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 9
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1980-11-21
    Beschreibung: The rate at which glucose enters nerve terminals in muscle was estimated indirectly by measuring changes in miniature end-plate potential frequency D-Glucose entered nerve terminals in muscles with a fast twitch more rapidly than it entered those with a slow twitch. This suggests that nerve terminals in fast- and slow-twitch muscles differ in their rate of metabolism.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pickett, J B -- New York, N.Y. -- Science. 1980 Nov 21;210(4472):927-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7434009" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Biological Transport ; Diaphragm/innervation ; Glucose/*metabolism ; Kinetics ; Membrane Potentials ; Nerve Endings/*metabolism ; Neuromuscular Junction/*metabolism ; Osmolar Concentration ; Rats
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 10
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1980-12-05
    Beschreibung: The lead content in the air at the foothills of the Himalayas in Nepal was found to be negligible. The concentration of lead in the blood of 103 children and adults living in this region was found to average 3.4 micrograms per deciliter, a level substantially lower than that found in industrialized populations.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Piomelli, S -- Corash, L -- Corash, M B -- Seaman, C -- Mushak, P -- Glover, B -- Padgett, R -- ES-01104/ES/NIEHS NIH HHS/ -- ES-26437/ES/NIEHS NIH HHS/ -- New York, N.Y. -- Science. 1980 Dec 5;210(4474):1135-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7444442" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adult ; Air Pollutants/*analysis ; Child, Preschool ; China ; Environment ; Female ; Humans ; *Industry ; Lead/*blood ; Male ; Nepal
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 11
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1980-06-13
    Beschreibung: Teacher interactions with hyperactive and comparison boys were observed during classroom activities. A double-blind, methylphenidate-placebo cross-over design was used within the hyperactive group. With no knowledge of any child's diagnosis or drug status, the teacher was more intense and controlling toward hyperactive boys taking placebo than toward either medicated hyperactive boys or comparison boys; her behavior did not differ toward the latter two groups. Discussion focused on the need to consider the broad social ramifications of pharmacologic treatment programs.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Whalen, C K -- Henker, B -- Dotemoto, S -- New York, N.Y. -- Science. 1980 Jun 13;208(4449):1280-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7375940" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adult ; Behavior/drug effects ; Child ; Humans ; Hyperkinesis/*drug therapy ; *Interpersonal Relations ; Male ; Methylphenidate/pharmacology/*therapeutic use ; *Teaching
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 12
    Publikationsdatum: 1980-08-22
    Beschreibung: The binding of [6-alanine]gonadotropin-releasing hormone to pituitary plasma membranes increased threefold between metestrus and early proestrus in female rats. Receptor numbers fell rapidly on the afternoon of proestrus coincident with the preovulatory gonadotropin surge. The numbers of receptors for gonadotropin-releasing hormone were positively correlated with concentrations of estradiol in serum; this pattern may be a necessary component of increased pituitary sensitivty to gonadotropin-releasing hormone observed during proestrus.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Savoy-Moore, R T -- Schwartz, N B -- Duncan, J A -- Marshall, J C -- New York, N.Y. -- Science. 1980 Aug 22;209(4459):942-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6250218" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Cell Membrane/metabolism ; Estradiol/blood ; *Estrus ; Feedback ; Female ; Follicle Stimulating Hormone/blood ; Gonadotropin-Releasing Hormone/analogs & derivatives/*metabolism ; Kinetics ; Luteinizing Hormone/blood ; Pituitary Gland, Anterior/*metabolism ; Pregnancy ; Progesterone/blood ; Rats ; Receptors, Cell Surface/*metabolism
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 13
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1980-03-21
    Beschreibung: Phonemically similar syllables, differing only by temporal acoustic cues, were presented dichotically to investigate temporal processing mechanisms in hemispheric specialization for speech. Reducing the rate of acoustic change within syllables while keeping their phonemic characteristics constant significantly decreased the characteristic asymmetry in processing speech.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schwartz, J -- Tallal, P -- New York, N.Y. -- Science. 1980 Mar 21;207(4437):1380-1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7355297" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adult ; Auditory Pathways/physiology ; Auditory Perception/*physiology ; Brain/*physiology ; Female ; *Functional Laterality ; Humans ; Linguistics ; Male ; Speech Perception/*physiology ; Time Factors
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 14
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1980-09-12
    Beschreibung: The ability to see spatial structures of a wide range of sizes was measured for two groups of observers (mean ages, 18 and 73 years). All observers had good visual acuity. Although older and younger observers did not differ in ability to see targets with fine structure (high spatial frequencies), older observers were only one-third as sensitive to targets with coarse structure (low spatial frequencies) as were younger observers or to changes in criterion. Older observers were also less able than younger observers to see moving targets. The reduced sensitivity of the older observers may adversely affect routine perceptual activities, such as face recognition and visually guided postural behavior, that depend upon low spatial frequencies.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sekuler, R -- Hutman, L P -- Owsley, C J -- New York, N.Y. -- Science. 1980 Sep 12;209(4462):1255-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7403884" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adult ; Aged ; *Aging ; Humans ; Motion Perception/physiology ; Size Perception/*physiology ; Space Perception/*physiology ; Visual Acuity
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 15
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1980-08-15
    Beschreibung: The number of basic taste qualities registered by single human fungiform papillae is correlated with the number of taste buds borne on these papillae. Multiple sensitivity was demonstrated both in single fungiform papillae and in single taste buds, with response to all four of the basic taste qualities occuring in a single taste bud.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Arvidson, K -- Friberg, U -- New York, N.Y. -- Science. 1980 Aug 15;209(4458):807-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7403846" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adolescent ; Adult ; Humans ; Sensory Receptor Cells ; Taste/*physiology ; Taste Buds/cytology/*physiology ; Tongue/cytology/*innervation
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 16
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1980-03-28
    Beschreibung: The food dye erythrosine (Erythrosin B; FD & C No. 3) was applied to isolated neuromuscular synapses in the frog, and its effects on the spontaneous quantal release of acetylcholine were examined with electrophysiological techniques. At concentrations of 10 muM or greater this anionic dye produced an irreversible, dose-dependent increase in neurotransmitter release. This increase did not depend on the presence of calcium ions in the bathing medium. These increase did not depend on the presence of calcium ions in the bathing medium. These results suggest that erythrosine might prove a useful pharmacological tool for studying the process of transmitter release, but that its use as a food additive should be reexamined.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Augustine, G J Jr -- Levitan, H -- New York, N.Y. -- Science. 1980 Mar 28;207(4438):1489-90.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6244619" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Anura ; Calcium/physiology ; Erythrosine/*pharmacology ; Fluoresceins/*pharmacology ; Kinetics ; Membrane Potentials/drug effects ; Motor Endplate/drug effects ; Neuromuscular Junction/*drug effects ; Rana pipiens ; Stimulation, Chemical ; Synaptic Transmission/*drug effects
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 17
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1980-10-31
    Beschreibung: A wide range of animals are able to orient toward home when subjected to displacement-release experiments. When comparable experiments are performed on blindfolded humans, a similar ability emerges. Such goal-orientation does not result from following the complete journey on a mental map, nor is it influenced by cloud cover. Bar magnets worn on the head do seem to exert an influence.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Baker, R R -- New York, N.Y. -- Science. 1980 Oct 31;210(4469):555-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7423208" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adult ; Female ; Humans ; Magnetics ; Male ; Orientation/*physiology
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 18
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1980-06-06
    Beschreibung: A protein that binds spermine specifically was separated from normal rabbit serum by affinity chromatography. Immunoelectrophoresis, the Ouchterlony immunodiffusion test, and gradient gel electrophoresis indicated that this protein has immunoglobulin characteristics and consists of several populations of antibodies to spermine. These were sequentially released from Sepharose-spermine gel by step-wise elution with solutions ranging in pH from 4 to 1. The binding constants varied from 5.0 x 10(8) to 11.1 x 10(8) liters per mole. These globulins did not react with monoacetylputrescine, L-ornithine, L-lysine, and histamine. Negligible cross-reactivity was detected with spermidine, putrescine, N8-monoacetylspermidine, cadaverine, and diaminopropane. Since perturbations in polyamine metabolism have been identified in several diseases, the study of extracellular polyamine homeostasis may reveal an important regulatory function for this protein.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bartos, D -- Bartos, F -- Campbell, R A -- Grettie, D P -- Smejtek, P -- New York, N.Y. -- Science. 1980 Jun 6;208(4448):1178-81.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7375929" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Antibodies/*isolation & purification ; Binding Sites, Antibody ; Chromatography, Affinity ; Homeostasis ; Immunoglobulin G/isolation & purification ; Kinetics ; Rabbits ; Spermine/*immunology/metabolism
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 19
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1980-05-09
    Beschreibung: Moderate chronic malnutrition has only a minor effect on fecundity (reproductive capacity), and the resulting effect on fertility (actural reproduction) is very small. Among the fecundity components examined here in noncontracepting populations, age at menarche and the duration of lactational amenorrhea appear to be the ones most affected by malnutrition. But from neither of those effects can a difference in fertility of more than a few percent be expected between poorly and well-nourished women in developing countries.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bongaarts, J -- New York, N.Y. -- Science. 1980 May 9;208(4444):564-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7367878" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Abortion, Induced ; Adolescent ; Adult ; Age Factors ; Behavior ; Birth Intervals ; Contraception ; Female ; *Fertility ; Fetal Death/epidemiology ; Humans ; Lactation ; Male ; Marriage ; Menarche ; Menopause ; Middle Aged ; Nutrition Disorders/*physiopathology ; Nutritional Physiological Phenomena ; Ovulation ; Pregnancy ; Spermatogenesis
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 20
    Publikationsdatum: 1980-07-11
    Beschreibung: The high-affinity binding of triatiated imipramine to platelet membranes was compared in samples from 16 untreated depressed women and 21 age-matched controls of the same sex. The maximal binding in the depressed group was significantly lower than that of the controls, although the affinity constants were similar. These results suggest that binding of tritiated imipramine in human platelets may represent a biochemical index of depression, possibly reflecting similar changes in the brain.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Briley, M S -- Langer, S Z -- Raisman, R -- Sechter, D -- Zarifian, E -- New York, N.Y. -- Science. 1980 Jul 11;209(4453):303-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7384806" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adult ; Aged ; Blood Platelets/*analysis ; Cell Membrane/metabolism ; Depression/*blood ; Humans ; Imipramine/*blood ; Kinetics ; Middle Aged ; Receptors, Drug/*metabolism
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 21
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1980-03-21
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Broad, W J -- New York, N.Y. -- Science. 1980 Mar 21;207(4437):1326-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7355292" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adult ; Female ; Humans ; *Insemination, Artificial ; *Insemination, Artificial, Heterologous ; Male ; *Nobel Prize ; *Spermatozoa ; *Tissue Banks ; Tissue Donors
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 22
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1980-07-25
    Beschreibung: Serotonin infused into the lateral ventricle in rats produced a dose-dependent depression of the acoustic startle reflex. When infused onto the spinal cord, serotonin produced a dose-dependent increase in startle. Thus the same neurotransmitter can modulate the same behavior in opposite ways, depending on which part of the central nervous system is involved.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Davis, M -- Strachan, D I -- Kass, E -- New York, N.Y. -- Science. 1980 Jul 25;209(4455):521-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7394520" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Dose-Response Relationship, Drug ; Kinetics ; Male ; Rats ; Reflex, Acoustic/*drug effects ; Reflex, Startle/*drug effects ; Serotonin/*pharmacology
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 23
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1980-09-12
    Beschreibung: Data from adoption studies on handedness indicate that the effects of shared biological heritage are more powerful determinants of hand preference than sociocultural factors. Biological offspring were found to show nonrandom distributions of right- and non-right-handedness as a function of parental handedness; these distributions were consistent with the results fo previous family studies. In contrast, the handedness distribution of adopted children as a function of parental handedness was essentially random.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Carter-Saltzman, L -- New York, N.Y. -- Science. 1980 Sep 12;209(4462):1263-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7403887" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adolescent ; Adoption ; Adult ; Cultural Characteristics ; *Environment ; *Functional Laterality ; Genetics ; Humans ; Sociology
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 24
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1980-02-22
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Holden, C -- New York, N.Y. -- Science. 1980 Feb 22;207(4433):855-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7355266" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adult ; Alcohol Drinking ; Alcoholism/*physiopathology/prevention & control/therapy ; Follow-Up Studies ; Humans ; Male
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 25
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1980-08-08
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marx, J L -- New York, N.Y. -- Science. 1980 Aug 8;209(4457):672.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7394525" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adult ; Female ; Humans ; Middle Aged ; *National Institutes of Health (U.S.) ; *Papanicolaou Test ; United States ; Uterine Cervical Neoplasms/*diagnosis ; *Vaginal Smears
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 26
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1980-02-01
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Smith, J R -- New York, N.Y. -- Science. 1980 Feb 1;207(4430):509.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7352257" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adult ; Female ; Humans ; Lung Neoplasms/epidemiology/*etiology ; Smoking/*complications
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 27
    Publikationsdatum: 1980-04-11
    Beschreibung: Arecoline, a cholinergic muscarinic receptor agonist, induced rapid eye movement sleep significantly more rapidly in patients with primary affective illness in remission than in normal control subjects matched for age and sex. These results, and others, suggest that patients with primary affective illness may have a supersensitive cholinergic system both when they are ill and when their symptoms are in clinical remission.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sitaram, N -- Nurnberger, J I Jr -- Gershon, E S -- Gillin, J C -- New York, N.Y. -- Science. 1980 Apr 11;208(4440):200-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7361118" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adult ; Affective Symptoms/drug therapy/*physiopathology ; Arecoline/*pharmacology ; Female ; Humans ; Injections, Intravenous ; Male ; Sleep Wake Disorders/physiopathology ; Sleep, REM/*drug effects
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 28
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1980-08-08
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sun, M -- New York, N.Y. -- Science. 1980 Aug 8;209(4457):669-70.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7394524" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adult ; *Brain Death ; Child ; *Death ; Humans ; *Legislation, Medical ; *Religion and Medicine ; United States
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 29
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1980-09-26
    Beschreibung: Regular consumers of caffeine had higher muscle tension after three or more hours of abstinence than low caffeine consumers. This difference was absent after double-blind administration of caffeine citrate or placebo. In a discriminative reaction time test, caffeine treatment improved performance. Among subjects receiving placebo, anxiety was highly correlated with prior caffeine use, suggesting that even a brief abstinence may produce anxiety in the regular user.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉White, B C -- Lincoln, C A -- Pearce, N W -- Reeb, R -- Vaida, C -- AA 03513/AA/NIAAA NIH HHS/ -- HD 05958/HD/NICHD NIH HHS/ -- NS 11618/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1980 Sep 26;209(4464):1547-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7433978" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adult ; Anxiety/*etiology ; Caffeine/*pharmacology ; Humans ; Muscle Contraction/*drug effects ; Substance Withdrawal Syndrome/complications/*physiopathology
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 30
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1980-02-08
    Beschreibung: When young adults detected auditory stimuli at split-second intervals, different components of the event-related brain potentials showed markedly different speeds of recovery. The P3 component (latency 300 to 350 milliseconds) was fully recovered at intervals of less than 1.0 second, while the N1--P2 components (latencies 100 to 180 milliseconds) were markedly attenuated with stimulus repetition even at longer interstimulus intervals. Thus, the N1--P2 recovers much more slowly than a subject's ability to evaluate signals, whereas the P3 appears to be generated at the same high rates as the decision processes with which it is associated.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Woods, D L -- Hillyard, S A -- Courchesne, E -- Galambos, R -- New York, N.Y. -- Science. 1980 Feb 8;207(4431):655-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7352278" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adult ; Auditory Perception/physiology ; Brain/*physiology ; Cognition/physiology ; Decision Making/*physiology ; Evoked Potentials ; Humans ; Memory/physiology ; Time Factors
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 31
    Publikationsdatum: 1980-07-18
    Beschreibung: The affinity of Hb Zurich for carbon monoxide is approximately 65 times that of normal hemoglobin. The carboxyhemoglobin content in serum from individuals with Hb Zurich ranged from 3.9 to 6.7 percent in nine nonsmokers and from 9.8 to 19.7 percent in six smokers. Rates of hemolysis and hemoglobin denaturation were less in smokers than in nonsmokers, effects that may be secondary to the stabilization of Hb Zurich by carbon monoxide.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zinkham, W H -- Houtchens, R A -- Caughey, W S -- New York, N.Y. -- Science. 1980 Jul 18;209(4454):406-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7384813" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adolescent ; Adult ; Carboxyhemoglobin/*analysis/genetics ; Child ; Female ; Hematocrit ; Hemoglobins/*analysis ; Hemoglobins, Abnormal/*analysis/genetics ; Humans ; Male ; Middle Aged ; Phenotype ; Smoking
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 32
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1980-02-08
    Beschreibung: Visual temporal acuity, as measured by the critical flicker frequency decreased and then increased during 24 hours of auditory deprivation. This intermodal effect is similar to intramodal changes in the critical flicker frequency of the nonoccluded eye during monocular deprivation; a single mechanism appears to underlie both phenomena.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bross, M -- Harper, D -- Sicz, G -- New York, N.Y. -- Science. 1980 Feb 8;207(4431):667-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7352281" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adult ; Auditory Perception/*physiology ; Denervation ; Flicker Fusion ; Humans ; Reticular Formation/physiology ; Time Factors ; Visual Perception/*physiology
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 33
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1980-11-28
    Beschreibung: Down regulation of the insulin receptor of primary cultures of rat hepatocytes occurs in the presence of insulin and several agents with insulin-like activity, which act through or distal to the insulin receptor. These findings indicate that the interaction of insulin with its specific binding site is not in itself sufficient to down-regulate this receptor and that one or more steps subsequent to this interaction are necessary. Thus, down regulation may be a complex biological response to insulin, and if a cell were resistant to this effect of insulin, our data may explain how target cells from a patient or animal can have a normal number of receptors in the presence of increased concentrations of circulating insulin.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Caro, J F -- Amatruda, J M -- AM 00366/AM/NIADDK NIH HHS/ -- AM 20948/AM/NIADDK NIH HHS/ -- New York, N.Y. -- Science. 1980 Nov 28;210(4473):1029-31.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7001632" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Insulin/metabolism ; Kinetics ; Liver/*metabolism ; Male ; Peroxides/pharmacology ; Rats ; Receptor, Insulin/drug effects/immunology/*metabolism ; Spermine/pharmacology ; Vitamin K/pharmacology
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 34
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1980-09-12
    Beschreibung: Specific binding of 1 alpha,25-dihydroxyvitamin D(3) was found in nuclear and cytosol fractions of the bovine pituitary. For nuclear binding. the dissociation constant was 0.1 namomole per liter, and maximum binding was 104 femtomoles per milligram of protein. In competition studies, 25-hydroxyvitamin D(3) was 300 times weaker than 1 alpha,25-dihydroxyvitamin D(3). The existence of high-affinity sites supports a physiologic role for 1 alpha,25-dihydroxyvitamin D(3) in the pituitary.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gelbard, H A -- Stern, P H -- U'Prichard, D C -- New York, N.Y. -- Science. 1980 Sep 12;209(4462):1247-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6250221" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Brain/metabolism ; Cattle ; Cell Nucleus/metabolism ; Cholecalciferol/*metabolism ; Cytosol/metabolism ; Dihydroxycholecalciferols/*metabolism ; Hydroxycholecalciferols/*metabolism ; Kinetics ; Pituitary Gland/*metabolism/ultrastructure ; Receptors, Drug/*metabolism
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 35
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1980-04-18
    Beschreibung: Wilson's disease fibroblasts have an elevated intracellular copper concentration as compared to cultured control cells. A decreased ratio of copper to protein was observed in cytoplasmic protein (or proteins) having a molecular weight greater than or equal to 30,000 in Wilson's disease cells. The results of this culture study indicate its potential importance in the early unequivocal diagnosis of this disorder.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chan, W Y -- Cushing, W -- Coffman, M A -- Rennert, O M -- New York, N.Y. -- Science. 1980 Apr 18;208(4441):299-300.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7367859" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adolescent ; Adult ; Age Factors ; Cadmium/metabolism ; Cells, Cultured ; Child ; Copper/metabolism ; Fibroblasts/metabolism ; Hepatolenticular Degeneration/diagnosis/*genetics/metabolism ; Humans ; Skin/metabolism
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 36
    Publikationsdatum: 1980-12-05
    Beschreibung: In a patient with gyrate atrophy of the choroid and retina, an arginine-deficient diet has reduced plasma ornithine concentration fivefold during the past 20 months. Subjective improvement in her visual function was noted approximately 15 months after institution of her diet. This has been documented by improvements in the electroretinogram, dark-adaptation, and color vision. The improvement involves rod and, to a lesser extent, cone function. The results, although preliminary and limited to a single patient, suggest that reduction of plasma ornithine with a low arginine diet is beneficial in this disease.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaiser-Kupfer, M I -- de Monasterio, F M -- Valle, D -- Walser, M -- Brusilow, S -- EY-02948/EY/NEI NIH HHS/ -- RR-52/RR/NCRR NIH HHS/ -- New York, N.Y. -- Science. 1980 Dec 5;210(4474):1128-31.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7444439" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adult ; Arginine ; Choroid/*pathology ; Color Perception/physiology ; Dark Adaptation ; Dietary Proteins ; Female ; Humans ; Ornithine/*blood ; Photoreceptor Cells/physiology ; Retinal Degeneration/*diet therapy/physiopathology ; Uveal Diseases/diet therapy ; Vision, Ocular
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 37
    Publikationsdatum: 1980-01-18
    Beschreibung: Concentrations of norepinephrine in cerebrospinal fluid are higher in schizophrenic patients, particularly in those with paranoid features, than in normal volunteer subjects of the same age. This observation supports recent reports of elevated concentrations of norepinephrine in specific brain areas adjacent to the cerebral ventricles of paranoid schizophrenic patients. Overflow of the amine from periventricular regions into the cerebrospinal fluid may reflect abnormally high release or diminished enzymatic destruction of norepinephrine in patients with schizophrenia.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lake, C R -- Sternberg, D E -- van Kammen, D P -- Ballenger, J C -- Ziegler, M G -- Post, R M -- Kopin, I J -- Bunney, W E -- New York, N.Y. -- Science. 1980 Jan 18;207(4428):331-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7350667" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adult ; Blood Pressure ; Brain/metabolism ; Heart Rate ; Humans ; Norepinephrine/*cerebrospinal fluid ; Phenethylamines/metabolism ; Schizophrenia/*cerebrospinal fluid/physiopathology
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 38
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1980-09-12
    Beschreibung: Disagreements about the somatic risks from low doses of ionizing radiation stem from two difficulties fundamental to the logic of inference from observational data. First, precise direct estimation of small risks requires impracticably large samples. Second, precise estimates of low-dose risks based largely on high-dose data, for which the sample size requirements are more easily satisfied, must depend heavily on assumptions about the shape of the dose-response curve, even when only a few of the parameters of the theoretical form of the curve are unknown.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Land, C E -- New York, N.Y. -- Science. 1980 Sep 12;209(4462):1197-203.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7403879" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adult ; Breast Neoplasms/epidemiology/etiology ; Cell Survival/radiation effects ; Dose-Response Relationship, Radiation ; Female ; Humans ; Leukemia, Radiation-Induced/etiology ; Mammography/adverse effects ; Models, Theoretical ; Neoplasms, Radiation-Induced/*etiology ; *Radiation, Ionizing ; Radioactive Fallout ; Risk ; Statistics as Topic
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 39
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1980-01-11
    Beschreibung: The measure of time was used as an additional parameter on an existing flow cytometer to study the kinetics of enzyme activities and cell-stain interactions. By correlating all fluorescent signals from single cells with time, the dynamics of a reaction can be followed for several minutes. This advanced application of flow cytometry is easily implemented and can be incorporated into any flow cytometer that has two-parameter analysis capability.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Martin, J C -- Swartzendruber, D E -- New York, N.Y. -- Science. 1980 Jan 11;207(4427):199-201.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6153131" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Cell Line ; Cells, Cultured/enzymology ; Computers ; Cricetinae ; *Cytological Techniques ; DNA/metabolism ; Esterases/metabolism ; Kinetics ; Mice ; Spectrometry, Fluorescence/methods ; Staining and Labeling
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 40
    Publikationsdatum: 1980-08-01
    Beschreibung: At high oscillation frequencies (4 to 30 hertz), effective alveolar ventilation can be achieved with tidal volumes much smaller than the anatomic dead space. An explanation of this phenomenon is given in terms of the combined effects of diffusion and convection and in terms of data consistent with the hypothesis. Theory and experimental results both show that the significant variable determining the effectiveness of gas exchange is the amplitude of the oscillatory flow rate independent of the individual values of frequency and stroke volume.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Slutsky, A S -- Drazen, F M -- Ingram, R H Jr -- Kamm, R D -- Shapiro, A H -- Fredberg, J J -- Loring, S H -- Lehr, J -- New York, N.Y. -- Science. 1980 Aug 1;209(4456):609-71.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6771872" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Carbon Dioxide/metabolism ; Diffusion ; Dogs ; Kinetics ; Mathematics ; Oscillometry ; Pulmonary Alveoli/*physiology ; *Respiration
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 41
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1980-08-08
    Beschreibung: The calcium ionophore A23187 brings about an influx of calcium and uptake of sucrose by endocytosis in Amoeba proteus. The amount of endocytotic sucrose uptake elicited by the ionophore depends upon the external calcium ion concentration. Calcium ion movements may serve to couple the surface phase of endocytosis with cytoplasmic uptake of the endocytotic inducer.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Prusch, R D -- New York, N.Y. -- Science. 1980 Aug 8;209(4457):691-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6771873" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Amoeba/drug effects/*metabolism ; Animals ; Anti-Bacterial Agents/*pharmacology ; Biological Transport/drug effects ; Calcimycin/*pharmacology ; Calcium/metabolism ; Endocytosis/*drug effects ; Kinetics ; Sucrose/*metabolism
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 42
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1980-02-01
    Beschreibung: A group of 50 smokers experienced greater sleep difficulty than a group of 50 nonsmokers matched by age and sex. The two groups did not differ in personality patterns or drug consumption. Also, sleep patterns significantly improved in a group of eight chronic smokers when they abstained from cigarette smoking. These findings are consistent with reports on the stimulant effects of nicotine.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Soldatos, C R -- Kales, J D -- Scharf, M B -- Bixler, E O -- Kales, A -- New York, N.Y. -- Science. 1980 Feb 1;207(4430):551-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7352268" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adult ; Coffee/adverse effects ; Female ; Humans ; Male ; Sleep Stages ; Sleep Wake Disorders/*etiology ; Smoking/*complications ; Substance Withdrawal Syndrome/physiopathology
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 43
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1980-10-31
    Beschreibung: The activity of natural killer cells was found to be deficient in 10 of 12 males with X-linked lymphoproliferative syndrome, a life-threatening proliferation of lymphocytes after infection by Epstein-Barr virus. The activity levels of natural killer cells from affected males were increased after treatment with interferon in vitro, but normal levels of killing were not obtained. Deficient activity of killer cells in individuals with immunodeficiency and chronic infection by Epstein-Barr virus may contribute to the development of lymphoproliferative disorders.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sullivan, J L -- Byron, K S -- Brewster, F E -- Purtilo, D T -- CA 23561-01/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1980 Oct 31;210(4469):543-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6158759" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adolescent ; Adult ; Child ; Child, Preschool ; Cytotoxicity, Immunologic ; Female ; Humans ; *Immunity, Innate ; Immunologic Deficiency Syndromes/*genetics ; Infectious Mononucleosis/immunology ; Interferons/pharmacology ; Killer Cells, Natural/*immunology ; Lymphoproliferative Disorders/genetics/*immunology ; Male ; X Chromosome
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 44
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1980-06-27
    Beschreibung: Three Siamese cats were found to have a progressive neurological disease that became obvious when they were 4 to 5 months of age. Their brains contained an excess of GM2 and GM3 gangliosides, and their livers a nine- to tenfold excess of sphingomyelin and cholesterol. A total deficiency of lysosomal (pH 5.0) sphingomyelinase was found in the leukocytes, liver, and brain of the cats, although the activity of the microsomal (pH 7.4, magnesium-dependent) sphingomyelinase was normal in brain. These cats appear to have a genetic disease identical to Niemann-Pick disease type A.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wenger, D A -- Sattler, M -- Kudoh, T -- Snyder, S P -- Kingston, R S -- New York, N.Y. -- Science. 1980 Jun 27;208(4451):1471-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7189903" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Brain/enzymology ; Brain Chemistry ; Cat Diseases/enzymology/*genetics ; Cats ; *Disease Models, Animal ; Gangliosides/analysis ; Humans ; Kinetics ; Liver/analysis ; Niemann-Pick Diseases/enzymology/*genetics ; Phospholipids/analysis ; Sphingomyelin Phosphodiesterase/analysis
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 45
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1980-09-12
    Beschreibung: Brainstem auditory evoked potentials recorded from human albinos indicate significant hemispheric asymmetry. The asymmetry is symptomatic of differences between decussated and nondecussated auditory pathways in albino and pigmented humans at approximately the level of the superior olivary nuclei. Abnormal decussation of auditory pathways in albinos probably coincides with known visual system anomalies.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Creel, D -- Garber, S R -- King, R A -- Witkop, C J Jr -- New York, N.Y. -- Science. 1980 Sep 12;209(4462):1253-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7403883" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adult ; Albinism/*physiopathology ; Auditory Pathways/*physiopathology ; Brain Stem/*physiopathology ; Evoked Potentials ; Female ; Functional Laterality ; Humans ; Male ; Olivary Nucleus/physiopathology
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 46
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1980-06-06
    Beschreibung: After more than 230 hours of practice in the laboratory, a subject was able to increase his memory span from 7 to 79 digits. His performance on other memory tests with digits equaled that of memory experts with lifelong training. With an appropriate mnemonic system, there is seemingly no limit to memory performance with practice.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ericcson, K A -- Chase, W G -- Faloon, S -- New York, N.Y. -- Science. 1980 Jun 6;208(4448):1181-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7375930" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adult ; Association Learning/physiology ; Humans ; Male ; Memory/*physiology ; Memory, Short-Term/physiology ; Time Factors
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 47
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1980-10-03
    Beschreibung: The nonuterotropic natural estrogen 2-hydroxyestrone administered to normal young women results in a prompt and profound suppression of serum prolactin in most of the subjects. With the exception of dopamine, this is the only endogenous material known to strongly inhibit prolactin secretion, and its action suggests that the physiological regulation of prolactin by estrogens in the human is dual in nature, consisting of stimulation by estradiol and inhibition by its catechol estrogen metabolite.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fishman, J -- Tulchinsky, D -- CA 22795/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1980 Oct 3;210(4465):73-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7414322" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adult ; Drug Administration Schedule ; Estrogens/physiology ; Estrone/*analogs & derivatives ; Female ; Humans ; Hydroxyestrones/*pharmacology ; Prolactin/blood/*secretion ; Time Factors
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 48
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1980-03-28
    Beschreibung: Growth of head-fold-stage rat embryos cultured with human serum for 48 hours was enhanced by supplementation with glucose. Embryo growth (protein and DNA contents) varied with the source of the serum. Serum from 16 of 19 untreated subjects produced normal embryos. Serum from five subjects undergoing cancer chemotherapy and six subjects receiving anticonvulsants was either lethal or teratogenic.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chatot, C L -- Klein, N W -- Piatek, J -- Pierro, L J -- New York, N.Y. -- Science. 1980 Mar 28;207(4438):1471-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7361097" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adult ; Animals ; Anticonvulsants/pharmacology ; Antineoplastic Agents/pharmacology ; Blood ; Culture Media ; *Culture Techniques ; Drug Evaluation, Preclinical/*methods ; *Embryo, Mammalian/drug effects ; Female ; Glucose ; Humans ; Male ; Rats ; *Teratogens
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 49
    Publikationsdatum: 1980-08-15
    Beschreibung: In humans and rhesus monkeys, dexamethasone decreased concentrations of plasma cortisol but did not alter circulating beta-endorphin immunoreactivity. Contrary to current theory suggesting that pituitary beta-endorphin and adrenocorticotropic hormone are controlled by identical regulatory mechanisms for synthesis and release, our evidence suggests that in higher primates the established glucocorticoid feedback mechanism for the adrenocorticotropic hormone-cortisol system does not regulate beta-endorphin secretion in the same way.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kalin, N H -- Risch, S C -- Cohen, R M -- Insel, T -- Murphy, D L -- New York, N.Y. -- Science. 1980 Aug 15;209(4458):827-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6250217" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adrenocorticotropic Hormone/secretion ; Adult ; Animals ; Dexamethasone/*pharmacology ; Endorphins/*blood/secretion ; Feedback ; Female ; Haplorhini ; Humans ; Hydrocortisone/blood ; Macaca mulatta ; Male ; Pituitary Gland, Anterior/secretion ; Protein Precursors/metabolism ; Species Specificity ; Stress, Physiological/blood
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 50
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1980-08-08
    Beschreibung: Calcium ion-selective microelectrodes made with Simon's neutral carrier were used to measure simultaneously sarcoplasmic Ca2+ activity (aiCa) and resting tension (Tr) of rabbit ventricular muscle during reduction and restoration of external sodium ion concentration, [Na]0. Under the same experimental conditions the change in contractile tension (Ta) also measured. In resting muscle the aiCa was 38 +/- 17 nanomolar (mean +/- standard deviation; N = 10). The reduction of [Na]O from 153 to 20 millimolar led to about a threefold increase in aiCa with parallel increases in Tr and Ta. The time course of the change in aiCa was similar to that of the changes in Tr and Ta. The results are consistent with an important role of the sodium-calcium exchange system for regulating sarcoplasmic Ca2+ activity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lee, C O -- Uhm, D Y -- Dresdner, K -- New York, N.Y. -- Science. 1980 Aug 8;209(4457):699-701.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7394527" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Biological Transport/drug effects ; Calcium/*metabolism ; Heart Ventricles/metabolism ; Kinetics ; Membrane Potentials/drug effects ; Microelectrodes ; Myocardium/*metabolism ; Rabbits ; Sarcoplasmic Reticulum/drug effects/*metabolism ; Sodium/*metabolism/pharmacology
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 51
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1980-10-31
    Beschreibung: The turnover rate of acetylcholine receptors at neuromuscular junctions in mice increases progressively after denervation and, after 15 days, reaches a half-time of 30 z 5 hours. Denervation thus causes the clustered junctional acetylcholine receptors to assume the rapid turnover characteristic of extrajunctional receptors before innervation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Levitt, T A -- Loring, R H -- Salpeter, M M -- NS 09315-10/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1980 Oct 31;210(4469):550-1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7423205" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Bungarotoxins/metabolism ; Kinetics ; Mice ; Motor Neurons/*physiology ; Muscle Denervation ; Neuromuscular Junction/*metabolism ; Receptors, Cholinergic/*metabolism ; Receptors, Nicotinic/metabolism
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 52
    Publikationsdatum: 1980-02-15
    Beschreibung: Isozymes of lactate dehydrogenase from heart and muscle of Atlantic hagfish show less functional divergence than those from other fishes and higher vertebrates. The enzyme from hagfish heart (B4) displays a higher Michaelis constant for pyruvate and lower substrate inhibition at moderate pyruvate concentrations than heart isozymes from other species. These properties support the hypothesis that the ancestral vertebrate lactate dehydrogenase was a muscle (A4)-type enzyme and also suggest a role for the B4 enzyme in the unusual physiology of hagfish cardiac tissue which functions under sustained hypoxic conditions.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sidell, B D -- Beland, K F -- New York, N.Y. -- Science. 1980 Feb 15;207(4432):769-70.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7352286" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Anaerobiosis ; Animals ; *Biological Evolution ; Energy Metabolism ; Fishes/genetics/*physiology ; Genes ; Isoenzymes ; Kinetics ; L-Lactate Dehydrogenase/*genetics/metabolism ; Muscles/*enzymology ; Myocardium/enzymology ; Pyruvates/metabolism
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 53
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1980-06-27
    Beschreibung: Sarcolemmal membrane vesicles isolated from canine ventricular tissue accumulate calcium through the sodium-calcium exchange system when an outwardly directed sodium gradient is generated across the vesicle membrane. Moreover, calcium uptake under these conditions is accompanied by the transient accumulation of the lipophilic cation tetraphenylphosphonium. Since the distribution of tetraphenylphosphonium across biological membranes reflects the magnitude and direction of transmembrane potential differences and the characteristics of the transient accumulation of this cation closely resemble those of sodium-calcium exchange activity, it is concluded that a membrane potential, interior negative, is produced during calcium accumulation through the exchange system. Thus, the operation of the sodium-calcium exchange system generates a current in cardiac membrane vesicles, suggesting that three or more sodium ions exchange for each calcium ion.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Reeves, J P -- Sutko, J L -- New York, N.Y. -- Science. 1980 Jun 27;208(4451):1461-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7384788" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Biological Transport, Active/drug effects ; Calcium/*metabolism ; Carbonyl Cyanide m-Chlorophenyl Hydrazone/pharmacology ; Cell Membrane/drug effects/*metabolism ; Heart/*physiology ; Kinetics ; Membrane Potentials/drug effects ; Myocardium/*metabolism ; Onium Compounds/metabolism ; *Organophosphorus Compounds ; Sodium/*metabolism ; Valinomycin/pharmacology
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 54
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1980-07-25
    Beschreibung: The chemotaxis of leukocytes appears to be initiated by the binding of chemotactic factors to the surface of these cells. N-Formylated peptides induce chemotaxis and lysosomal enzyme secretion of leukocytes; because these peptides are available in a purified radiolabeled form, they have been useful in the characterization of receptors for chemotactic factors. Equine polymorphonuclear leukocytes secrete lysosomal enzymes but do not exhibit chemotaxis in respone to the N-formylated peptides, even though they have a high-affinity cell surface receptor for these agents. The specificity of the equine receptor resembles the specificity of the receptor on chemotactically responsive leukocytes from other species. Equine polymorphonuclear leukocytes may thus be an excellent model for the study of the events that lead to a biological response following receptor occupancy.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Snyderman, R -- Pike, M C -- New York, N.Y. -- Science. 1980 Jul 25;209(4455):493-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6248959" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Chemotaxis ; Horses ; Kinetics ; Leukocytes/*physiology/secretion ; Oligopeptides/blood/*physiology ; Receptors, Cell Surface/*physiology ; Receptors, Formyl Peptide ; Structure-Activity Relationship
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 55
    Publikationsdatum: 1980-01-04
    Beschreibung: Cromolyn inhibited histamine release from mast cells that was induced by a classic secretagogue and correspondingly increased incorporation of radioactive phosphate into a 78,000-dalton protein. These effects on histamine secretion and on protein phosphorylation were rapid in onset and both showed tachyphylaxis. Cromolyn may therefore act by altering the phosphorylation of a protein involved in the regulation of secretion.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Theoharides, T C -- Sieghart, W -- Greengard, P -- Douglas, W W -- New York, N.Y. -- Science. 1980 Jan 4;207(4426):80-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6153130" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Calcium/physiology ; Cromolyn Sodium/*pharmacology ; Histamine Release/*drug effects ; Kinetics ; Mast Cells/*drug effects/immunology/metabolism ; Molecular Weight ; Phosphoproteins/*metabolism ; Phosphorylation ; Rats ; p-Methoxy-N-methylphenethylamine/antagonists & inhibitors
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 56
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1980-07-11
    Beschreibung: The ratio of respiration to nitrogenase activity was measured in five species of actinorhizal root nodules and eight species of legume nodules. The two types of nodules could not be distinguished on the basis of this ratio; this evidence thus indicates that the energy cost of nitrogen fixation is similar for both.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tjepkema, J D -- Winship, L J -- New York, N.Y. -- Science. 1980 Jul 11;209(4453):279-81.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7384801" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Actinomycetales/metabolism ; Kinetics ; *Nitrogen Fixation ; Plants/*metabolism ; Rhizobium/metabolism ; Species Specificity
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 57
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1980-06-06
    Beschreibung: Specific cholecystokinin binding sites in particulate fractions of rat brain were measured with iodine 125-labeled Bolton-Hunter cholecystokinin, a cholecystokinin analog that has full biological activity. Binding was detected in brain regions known to contain immunoreactive cholecystokinin. Binding was saturable, reversible, of high affinity (dissociation constant, 1.7 x 10(-9) M), and was inhibited by cholecystokinin analogs but not by unrelated hormones.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Saito, A -- Sankaran, H -- Goldfine, I D -- Williams, J A -- New York, N.Y. -- Science. 1980 Jun 6;208(4448):1155-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6246582" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Binding, Competitive ; Brain/*metabolism ; Brain Mapping ; Cerebral Cortex/metabolism ; Cholecystokinin/*metabolism ; Gastrins/metabolism ; Kinetics ; Male ; Olfactory Bulb/metabolism ; Pancreas/metabolism ; Rats ; Receptors, Cell Surface/*metabolism
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 58
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1980-08-22
    Beschreibung: A rhesus monkey correctly recognized 86 and 81 percent of 10- and 20-item lists, respectively. It serial position curve was similar in form to a human's curve, revealing prominent primacy and recency effects. The key to these findings was in minimizing proactive interference through the use of a large pool of 211 color photographs.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sands, S F -- Wright, A A -- New York, N.Y. -- Science. 1980 Aug 22;209(4459):938-40.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6773143" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adult ; Animals ; Female ; Haplorhini ; Humans ; Macaca/*physiology ; Macaca mulatta/*physiology ; Male ; Memory/*physiology ; Memory, Short-Term/physiology ; Methods ; Retention (Psychology)/*physiology
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 59
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1980-02-29
    Beschreibung: Auditory thresholds were determined for infants and adults to half-octave bands of noise centered at 10,000 and 19,000 hertz. Adults were significantly more sensitive than infants at 10,000 hertz, but at 19,000 hertz, adults and infants had comparable thresholds.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schneider, B -- Trehub, S E -- Bull, D -- New York, N.Y. -- Science. 1980 Feb 29;207(4434):1003-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7352294" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adult ; Age Factors ; Auditory Threshold/*physiology ; Child, Preschool ; Environment ; Hearing/*physiology ; Humans ; Infant ; Noise ; Pitch Perception/*physiology
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
Schließen ⊗
Diese Webseite nutzt Cookies und das Analyse-Tool Matomo. Weitere Informationen finden Sie hier...