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  • 1
    Electronic Resource
    Electronic Resource
    α-Ketoimidgruppierungen als eine der ursachen für die lumineszenz thermooxidativ geschädigten polycaprolactams (1979)
    Weinheim : Wiley-Blackwell
    Angewandte Makromolekulare Chemie 79 (1979), S. 193-206 
    Details
    ISSN: 0003-3146
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: The present paper is concerned with the origin of luminescence in thermo-oxidativ damaged polycaprolactame. It is demonstrated that the luminescence of a substance isolated from the damaged polycaprolactame is caused by an α-ketoimid-structure element linked as a lumophoric group to the backbone of the polymer. A mechanism for the oxidation leading to this structure element is discussed on basis of the caprolactame oxidation.
    Notes: Die vorliegende Arbeit beschäftigt sich mit den Ursachen der Lumineszenz in thermooxidativ geschädigtem Polycaprolactam. Es wird gezeigt, daß die Lumineszenz einer Substanz, die aus geschadigtem Polycaprolactam isoliert werden konnte, durch a-Ketoimidgruppierungen hervorgerufen wird, die im ‚backbone‘ des Polymeren als lumophore Gruppen eingebaut sind. Ein Mechanismus für die Oxidationsreaktion, die zu dieser Struktur führt, wird anhand der Oxidation des Caprolactams diskutiert.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/apmc.1979.050790117
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Second-order nonlinear optical main-chain polymers by polymerization of poled monomersPresented at the 1992 SPIE-meeting, San Diego, CA, USA 17. (1993)
    Basel : Wiley-Blackwell
    Die Makromolekulare Chemie, Rapid Communications 14 (1993), S. 121-131 
    Details
    ISSN: 0173-2803
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/marc.1993.030140211
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  • 3
    Electronic Resource
    Electronic Resource
    Conformational properties of gastrin peptides: Synthesis, biological activity, and preliminary CD characterization of the (Asp)5 analog of des-Trp1, Leu12-minigastrin (1986)
    New York : Wiley-Blackwell
    Biopolymers 25 (1986), S. 229-234 
    Details
    ISSN: 0006-3525
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/bip.360250204
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  • 4
    Electronic Resource
    Electronic Resource
    Corrosion of a new copper—gold or copper—platinum intrauterine device (1982)
    Hoboken, NJ : Wiley-Blackwell
    Journal of Biomedical Materials Research 16 (1982), S. 785-798 
    Details
    ISSN: 0021-9304
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Medicine , Technology
    Notes: It has been shown previously that supplementing plastic intrauterine devices (IUDs) with copper wire enhances the antifertility effect of the device. The use of copper intrauterine contraceptive devices, however, is currently limited to two to three years, mainly because of wire fragmentation, which was observed as early as after eight months of use. In the resulting search for a long-lasting device, two new systems of duplex wire, with gold and platinum cores electrolytically coated with copper, were devised and studied. Initially, duplex wires and controls were exposed to physiological solution. Copper dissolution rate and corrosion morphology were studied by weight-loss measurements and optical metallography. Similar systems were then surgically implanted in rat uteri for varying periods of up to 26 weeks. Electron micro-analysis of corrosion products, in addition to weight-loss measurements and metallography, was performed. The results showed that a uniform and ductile copper coating is obtainable by electroplating on gold and platinum wires. Rate of copper dissolution is similar to that of solid copper wire. No dissolution of gold and platinum in the controls or coated wires was detected by weight loss, metallography, or atomic absorption measurements. Microanalysis of the deposits and corrosion products on the wires in the uteri environment showed sulfur, chlorine, and calcium, in addition to copper. The results of this study suggest that supplementing IUDs with copper-coated gold or platinum wires may result in significant prolongation of the life span of the device by preventing uncontrolled loss of copper caused by wire fragmentation.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jbm.820160605
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  • 5
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    Transgene and transposon silencing in Chlamydomonas reinhardtii by a DEAH-box RNA helicase (2000)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2000-11-10
    Description: The molecular mechanism(s) responsible for posttranscriptional gene silencing and RNA interference remain poorly understood. We have cloned a gene (Mut6) from the unicellular green alga Chlamydomonas reinhardtii that is required for the silencing of a transgene and two transposon families. Mut6 encodes a protein that is highly homologous to RNA helicases of the DEAH-box family. This protein is necessary for the degradation of certain aberrant RNAs, such as improperly processed transcripts, which are often produced by transposons and some transgenes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wu-Scharf, D -- Jeong, B -- Zhang, C -- Cerutti, H -- New York, N.Y. -- Science. 2000 Nov 10;290(5494):1159-62.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Biological Sciences and Plant Science Initiative, University of Nebraska-Lincoln, E211 Beadle Center, Post Office Box 880666, Lincoln, NE 68588, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11073454" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Motifs ; Amino Acid Sequence ; Animals ; Chlamydomonas reinhardtii/enzymology/*genetics ; Cloning, Molecular ; *DNA Transposable Elements ; *Gene Silencing ; Humans ; Molecular Sequence Data ; RNA/metabolism ; RNA Helicases/chemistry/*genetics/*metabolism ; RNA, Messenger/metabolism ; Retroelements ; Reverse Transcriptase Polymerase Chain Reaction ; Sequence Alignment ; Sequence Homology, Amino Acid ; *Transgenes
    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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    Primer-directed enzymatic amplification of DNA with a thermostable DNA polymerase (1988)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1988-01-29
    Description: A thermostable DNA polymerase was used in an in vitro DNA amplification procedure, the polymerase chain reaction. The enzyme, isolated from Thermus aquaticus, greatly simplifies the procedure and, by enabling the amplification reaction to be performed at higher temperatures, significantly improves the specificity, yield, sensitivity, and length of products that can be amplified. Single-copy genomic sequences were amplified by a factor of more than 10 million with very high specificity, and DNA segments up to 2000 base pairs were readily amplified. In addition, the method was used to amplify and detect a target DNA molecule present only once in a sample of 10(5) cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Saiki, R K -- Gelfand, D H -- Stoffel, S -- Scharf, S J -- Higuchi, R -- Horn, G T -- Mullis, K B -- Erlich, H A -- New York, N.Y. -- Science. 1988 Jan 29;239(4839):487-91.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Cetus Corporation, Department of Human Genetics, Emeryville, CA 94608.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2448875" target="_blank"〉PubMed〈/a〉
    Keywords: Cloning, Molecular ; DNA/*genetics ; DNA, Recombinant ; DNA-Directed DNA Polymerase/*metabolism ; Electrophoresis, Agar Gel ; Globins/genetics ; *Hot Temperature ; Humans ; *Nucleic Acid Amplification Techniques ; Nucleic Acid Denaturation ; Nucleic Acid Hybridization ; RNA/genetics ; Thermus/enzymology
    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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  • 7
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    Antibodies in HIV-1 vaccine development and therapy (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-09-14
    Description: Despite 30 years of study, there is no HIV-1 vaccine and, until recently, there was little hope for a protective immunization. Renewed optimism in this area of research comes in part from the results of a recent vaccine trial and the use of single-cell antibody-cloning techniques that uncovered naturally arising, broad and potent HIV-1-neutralizing antibodies (bNAbs). These antibodies can protect against infection and suppress established HIV-1 infection in animal models. The finding that these antibodies develop in a fraction of infected individuals supports the idea that new approaches to vaccination might be developed by adapting the natural immune strategies or by structure-based immunogen design. Moreover, the success of passive immunotherapy in small-animal models suggests that bNAbs may become a valuable addition to the armamentarium of drugs that work against HIV-1.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3970325/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3970325/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Klein, Florian -- Mouquet, Hugo -- Dosenovic, Pia -- Scheid, Johannes F -- Scharf, Louise -- Nussenzweig, Michel C -- AI 100148-01/AI/NIAID NIH HHS/ -- AI 100663-01/AI/NIAID NIH HHS/ -- P01 AI081677/AI/NIAID NIH HHS/ -- P01 AI100148/AI/NIAID NIH HHS/ -- UM1AI100663/AI/NIAID NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2013 Sep 13;341(6151):1199-204. doi: 10.1126/science.1241144.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Molecular Immunology, The Rockefeller University, New York, NY 10065, USA. fklein@rockefeller.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24031012" target="_blank"〉PubMed〈/a〉
    Keywords: AIDS Vaccines/*therapeutic use ; Acquired Immunodeficiency Syndrome/prevention & control/*therapy ; Antibodies, Neutralizing/biosynthesis/genetics/*immunology ; HIV Antibodies/biosynthesis/genetics/*immunology ; HIV Infections/*therapy ; HIV-1/*immunology ; Humans ; Immunotherapy ; Viral Envelope Proteins/immunology
    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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  • 8
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    Rebound insomnia: a new clinical syndrome (1978)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1978-09-15
    Description: Rebound insomnia followed the withdrawal of three benzodiazepine hypnotic drugs, each of which had been administered in a single nightly dose for only short-term periods. The intense worsening of sleep is attributed to the short duration of the action of these drugs. A hypothesis involving benzodiazepine receptors in the brain is proposed in which there is a delay or lag in replacement of endogenous benzodiazepine-like molecules after the abrupt withdrawal of exogenous drugs.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kales, A -- Scharf, M B -- Kales, J D -- New York, N.Y. -- Science. 1978 Sep 15;201(4360):1039-41.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/684426" target="_blank"〉PubMed〈/a〉
    Keywords: Benzodiazepines/*adverse effects/metabolism ; Brain/metabolism ; Flunitrazepam/adverse effects/metabolism ; Humans ; Hypnotics and Sedatives/*adverse effects/metabolism ; Nitrazepam/adverse effects/metabolism ; Receptors, Drug/drug effects/metabolism ; Sleep Initiation and Maintenance Disorders/*etiology/metabolism ; *Substance Withdrawal Syndrome/metabolism ; Syndrome ; Time Factors ; Triazolam/adverse effects/metabolism
    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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  • 9
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    Cigarette smoking associated with sleep difficulty (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-02-01
    Description: 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〉
    Keywords: Adult ; Coffee/adverse effects ; Female ; Humans ; Male ; Sleep Stages ; Sleep Wake Disorders/*etiology ; Smoking/*complications ; Substance Withdrawal Syndrome/physiopathology
    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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  • 10
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    Enzymatic amplification of beta-globin genomic sequences and restriction site analysis for diagnosis of sickle cell anemia (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-12-20
    Description: Two new methods were used to establish a rapid and highly sensitive prenatal diagnostic test for sickle cell anemia. The first involves the primer-mediated enzymatic amplification of specific beta-globin target sequences in genomic DNA, resulting in the exponential increase (220,000 times) of target DNA copies. In the second technique, the presence of the beta A and beta S alleles is determined by restriction endonuclease digestion of an end-labeled oligonucleotide probe hybridized in solution to the amplified beta-globin sequences. The beta-globin genotype can be determined in less than 1 day on samples containing significantly less than 1 microgram of genomic DNA.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Saiki, R K -- Scharf, S -- Faloona, F -- Mullis, K B -- Horn, G T -- Erlich, H A -- Arnheim, N -- New York, N.Y. -- Science. 1985 Dec 20;230(4732):1350-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2999980" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Anemia, Sickle Cell/*diagnosis/genetics ; Base Sequence ; Clinical Laboratory Techniques ; DNA Restriction Enzymes ; DNA-Directed DNA Polymerase ; Escherichia coli ; *Gene Amplification ; Globins/*genetics ; Humans ; Nucleic Acid Hybridization ; Polymorphism, Genetic
    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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