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  • Binding Sites
  • Chemistry
  • General Chemistry
  • ddc:330
  • American Association for the Advancement of Science (AAAS)  (19)
  • Berlin : Schmidt
  • Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
  • 1975-1979  (19)
Collection
Keywords
Publisher
  • American Association for the Advancement of Science (AAAS)  (19)
  • Berlin : Schmidt
  • Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
  • Wiley-Blackwell  (29,408)
  • Springer  (4)
Years
Year
  • 1
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    The biology of oxygen radicals (1978)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1978-09-08
    Description: The reactive superoxide radical, O2-, formerly of concern only to radiation chemists and radiobiologists, is now understood to be a normal product of the biological reduction of molecular oxygen. An unusual family of enzymes, the superoxide dismutases, protect against the deleterious actions of this radical by catalyzing its dismutation to hydrogen peroxide plus oxygen.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fridovich, I -- New York, N.Y. -- Science. 1978 Sep 8;201(4359):875-80.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/210504" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Binding Sites ; Catalase/metabolism ; Free Radicals ; Inflammation/metabolism ; Kinetics ; Metals ; Oxidation-Reduction ; Oxygen/*metabolism ; Paraquat/pharmacology ; Peroxidases/metabolism ; Superoxide Dismutase/*metabolism ; Superoxides/*metabolism/toxicity
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    Thrombin-induced platelet aggregation is mediated by a platelet plasma membrane-bound lectin (1978)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1978-06-16
    Description: Throbin-activated human platelets cause agglutination of trypsinized, formalinized bovine erythrocytes. This lectin activity of stimulated platelets was blocked by galactosamine, glucosamine, mannosamine, lysine, and arginine, but not by N-acetylated sugars, other neutral sugars, or other amino acids. Inhibitors of the thrombin-induced lectin activity also blocked thrombin-induced platelet aggregation. It appears that a membrane surface component that has lectin activity mediates platelet aggregation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gartner, T K -- Williams, D C -- Minion, F C -- Phillips, D R -- New York, N.Y. -- Science. 1978 Jun 16;200(4347):1281-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/663608" target="_blank"〉PubMed〈/a〉
    Keywords: *Agglutinins ; Amino Acids/pharmacology ; Amino Sugars/pharmacology ; Animals ; Binding Sites ; Cytochalasin B/pharmacology ; *Hemagglutinins ; Humans ; Membrane Proteins/blood ; Platelet Aggregation/*drug effects ; Prostaglandins E/pharmacology ; Species Specificity ; Thrombin/*pharmacology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 3
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    Picosecond chemical and biological events (1978)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1978-10-13
    Description: Picosecond spectroscopy is a relatively new field of science that utilizes ultrashort laser pulses to monitor events taking place in the 10(-12) second regime. The continuing development of picosecond spectroscopy has made possible the detection and measurement of the primary events in many physical and tiological processes. This article describes a currently used picosecond spectroscopy system that is capable of reliably recording picosecond events. Two areas of picosecond research are discussed; one concerns the interaction of electrons in fluids, and the second the primary events in vision.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rentzepis, P M -- New York, N.Y. -- Science. 1978 Oct 13;202(4364):174-82.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/694523" target="_blank"〉PubMed〈/a〉
    Keywords: Chemical Phenomena ; Chemistry ; Electrons ; *Kinetics ; Lasers ; Protons ; *Retinal Pigments ; *Rhodopsin ; Spectrum Analysis/*methods ; Temperature ; *Vision, Ocular
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 4
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    Time-resolved europium(III) excitation spectroscopy: a luminescence probe of metal ion binding sites (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-12-07
    Description: A laser-induced luminescence technique is introduced for probing the structure and equilibria of lanthanide complexes and lanthanide ion binding to macromolecules. The method involves the excitation of the 7F0 leads to 5D0 transition between nondegenerate levels in the europium(III) ion by means of an intense pulsed dye laser source. Excitation profits obtained by scanning the laser through the transition region reveal distinct peaks characteristic of individual europium(III) ion environments. The technique may be used to characterize the species present in complex equilibria in solution or to study europium(III) binding to macromolecules. Distinct europium(III) binding sites in thermolysin with long and short excited state lifetimes are observed.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Horrocks, W D Jr -- Sudnick, D R -- New York, N.Y. -- Science. 1979 Dec 7;206(4423):1194-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/505007" target="_blank"〉PubMed〈/a〉
    Keywords: Binding Sites ; *Europium ; Luminescence ; Protein Binding ; Spectrum Analysis/methods ; Thermolysin
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 5
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    Radioimmunoassay of the insulin receptor: a new probe of receptor structure and function (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-02-09
    Description: A sensitive and specific radioimmunoassay for the insulin receptor has been developed employing receptor autoantibodies from the serum of a patient with insulin-resistant diabetes. The assay detects insulin binding sites at concentrations as low as 0.1 nanomolar; distinguishes between receptors originating from human placental membranes, human lymphoblastoid cells, and mouse liver membranes; and measures the receptor independently of its binding function. Down-regulation, or loss of binding after exposure to insulin, is associated with loss of immunoreactive receptor.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Harrison, L C -- Flier, J -- Itin, A -- Kahn, C R -- Roth, J -- New York, N.Y. -- Science. 1979 Feb 9;203(4380):544-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/83675" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigen-Antibody Reactions ; Binding Sites ; Binding Sites, Antibody ; Epitopes ; Female ; Humans ; Liver/analysis ; Lymphocytes/analysis ; Mice ; Placenta/analysis ; Pregnancy ; Radioimmunoassay/methods ; Receptor, Insulin/analysis/*immunology ; Solubility
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 6
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    Benzo(a)pyrene-7,8-dihydrodiol 9,10-oxide adenosine and deoxyadenosine adducts: structure and stereochemistry (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-12-14
    Description: The structure and absolute stereoconfigurations of four adenosine adducts with (+/-)-7 alpha,8 beta-dihydroxy-9 beta, 10 beta-epoxy-7,8,9,10-tetrahydrobenzo(a)pyrene (BPDE) and their deoxyadenosine analogs have been determined. They result from both cis and trans addition of the N6 amino group of ademine to the 10 position of both enantiomers of BDPE. This was determined from studies of the nuclear magnetic resonance spectra, mass spectra, and circular dichroism spectra, as well as from their pKa values and chemical reactivities.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jeffrey, A M -- Grzeskowiak, K -- Weinstein, I B -- Nakanishi, K -- Roller, P -- Harvey, R G -- New York, N.Y. -- Science. 1979 Dec 14;206(4424):1309-11.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/316186" target="_blank"〉PubMed〈/a〉
    Keywords: *Benzopyrenes ; Chemical Phenomena ; Chemistry ; Circular Dichroism ; Dna ; *Deoxyadenosines/analogs & derivatives ; Magnetic Resonance Spectroscopy ; Mass Spectrometry ; Molecular Conformation ; Mutation ; Stereoisomerism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 7
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    Fibrinopeptide B and aggregation of fibrinogen (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-04-13
    Description: Removal of fibrinopeptide B from human fibrinogen by reaction with the procoagulant enzyme from copperhead snake venom below 25 degrees C resulted in tight aggregation of the fibrinogen, which, in turn, progressively blocked a concomitant but sluggish release of fibrinopeptide A by the enzyme. When the clots obtained at less than 25 degrees C were warmed, they dissociated into soluble aggregates and monomers. Release of fibrinopeptide A then resumed, and a secondary coagulation followed. The aggregation induced by release of fibrinopeptide B itself involves a plasmin-susceptible segment located just distal to B in the B beta chain of fibrinogen, a segment previously shown to be of little importance in the aggregation induced by release of fibrinopeptide A.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shainoff, J R -- Dardik, B N -- New York, N.Y. -- Science. 1979 Apr 13;204(4389):200-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/155308" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Binding Sites ; Crotalid Venoms/*metabolism ; Fibrinogen/*metabolism ; Fibrinolysin/metabolism ; Fibrinopeptide A/metabolism ; Fibrinopeptide B/*metabolism ; Humans ; Molecular Weight ; Protein Binding ; Temperature
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 8
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    Rapid changes in brain benzodiazepine receptors after experimental seizures (1978)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1978-11-24
    Description: Seizures induced in the rat by electroshock or by injections of pentylenetetrazol increase the specific binding of diazepam to putative receptor sites in cerebral cortical membranes. The enhancement of diazepam binding results from a rapid increase in the number of available binding sites rather than a change in receptor affinity. The postictal increase in cortical benzodiazepine receptors suggests that the cerebral cortex might be more sensitive to the anticonvulsant effects of the benzodiazepines after seizures. This observation may be related to the mechanism of action of these drugs in the treatment of recurrent seizures such as status epilepticus.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Paul, S M -- Skolnick, P -- New York, N.Y. -- Science. 1978 Nov 24;202(4370):892-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/715447" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anoxia/metabolism ; Binding Sites ; Brain/*metabolism ; Cerebral Cortex/metabolism ; Diazepam/*metabolism ; Electroshock ; Kinetics ; Male ; Pentylenetetrazole ; Rats ; Receptors, Drug/*metabolism ; Seizures/*metabolism ; Synaptosomes/metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 9
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    Prolactin binding sites in the rat brain (1978)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1978-09-15
    Description: The principles of the competitive-binding assay were used in conjunction with light microscopic radioautography to demonstrate specific prolactin binding sites localized on ependyma of the rat choroid plexus, a previously unknown prolactin target tissue.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Walsh, R J -- Posner, B I -- Kopriwa, B M -- Brawer, J R -- New York, N.Y. -- Science. 1978 Sep 15;201(4360):1041-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/684427" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Autoradiography ; Binding Sites ; Binding, Competitive ; Brain/cytology/*metabolism ; Female ; Iodine Radioisotopes ; Male ; Prolactin/*metabolism ; Rats
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 10
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    Foreign aid support of science and economic growth (1978)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1978-03-17
    Description: The history of U.S. foreign aid support of science and technology in Latin America is examined and an attempt is made to evaluate the scientific and economic growth of that area in relation to the total foreign aid effort.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Szmant, H H -- New York, N.Y. -- Science. 1978 Mar 17;199(4334):1173-82.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/415363" target="_blank"〉PubMed〈/a〉
    Keywords: Chemistry ; Cost-Benefit Analysis ; Education ; History, 20th Century ; International Educational Exchange ; Latin America ; *Research Support as Topic ; *Science/history ; United States
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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