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  • Wiley-Blackwell  (15)
  • Cell Press  (3)
  • 2000-2004
  • 1990-1994  (8)
  • 1985-1989  (4)
  • 1975-1979  (5)
  • 1905-1909  (1)
  • 1
    Digitale Medien
    Digitale Medien
    Ein naturwissenschaftliches Literaturkarussell. Pharmazie (1992)
    Weinheim : Wiley-Blackwell
    Chemie in unserer Zeit 26 (1992), S. VIII 
    Details
    ISSN: 0009-2851
    Schlagwort(e): Chemistry ; Chemistry
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/ciuz.19920260214
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  • 2
    Digitale Medien
    Digitale Medien
    Axonal shortening and the mechanisms of axonal motility (1988)
    New York, NY : Wiley-Blackwell
    Cell Motility and the Cytoskeleton 9 (1988), S. 48-59 
    Details
    ISSN: 0886-1544
    Schlagwort(e): axon ; growth cone ; retraction ; taxol ; slow transport ; axonal transport ; Life and Medical Sciences ; Cell & Developmental Biology
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Biologie , Medizin
    Notizen: Axons in tissue culture retract and shorten if their tips are detached from the substrate. The shortening reaction of the axon involves contractile forces that also arise during normal axonal motility, elongation, and retraction. We studied shortening in axonal segments isolated from their parent axons by transecting the axon between the growth cone and the most distal point of adhesion to the substrate. Within 15-20 minutes after transection, an isolated axonal segment shortened and pulled its tail end toward the growth cone. During the shortening process, long sinusoidal bends arose along the axon. The identical shortening reaction occurs without transection, when the axon tip is detached from the substrate. Pharmacological studies with inhibitors of glycolysis indicate that the shortening mechanisms utilize metabolic energy, presumably ATP. The rate of sinusoidal shortening is similar to both the rate of polymer translocation in the axon by slow axonal transport and the rate of normal axonal elongation. Taxol inhibits the shortening reaction with a similar dose dependence to its inhibition of axonal growth. Together, all these observations suggest that the same basic intracellular motility mechanisms are involved in normal axonal growth, in slow axonal transport, and in the shortening reaction: the intracellular dynamic system that utilizes ATP to generate longitudinal movements of polymers within the axon may be the same mechanism underlying both the retraction and the elongation of the axon.
    Zusätzliches Material: 9 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/cm.970090106
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  • 3
    Digitale Medien
    Digitale Medien
    Reaktionen von 2,3-Dichlormaleinimiden mit methylenaktiven Verbindungen (1979)
    New York, NY : Wiley-Blackwell
    Journal für Praktische Chemie/Chemiker-Zeitung 321 (1979), S. 787-796 
    Details
    ISSN: 0021-8383
    Schlagwort(e): Chemistry ; Organic Chemistry
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie
    Notizen: Reactions of 2,3-Dichloromaleimides with Methyleneactive Compounds2,3-Dichloromaleimides 1 react with activated methylene compounds mainly under monosubstitution to give 2-6. Replacement of the second chloroatom gives 2,3-disubstituted maleimides 9-15 and stable ylides 16-27 with pyridine and triphenylphosphine, respectively. A general synthesis for such maleimid-ylides was found in a one-batch reaction from 2,3-dichloromaleimides 1 with methyleneactive compounds and pyridine or triphenylphosphine.
    Zusätzliches Material: 3 Tab.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/prac.19793210510
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  • 4
    Digitale Medien
    Digitale Medien
    Investigation of aliphatic dienes by chemical ionization with nitric oxideStudies in Chemical Ionization, Part XXVI. For Part XXV see Ref. 1. (1991)
    Chichester : Wiley-Blackwell
    Biological Mass Spectrometry 26 (1991), S. 1057-1060 
    Details
    ISSN: 0030-493X
    Schlagwort(e): Chemistry ; Analytical Chemistry and Spectroscopy
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie
    Notizen: It is shown that the position of the double bond close to the hydrocarbon end of an aliphatic diene functionalized at C(1) can readily be determined by chemical ionization with NO+. Owing to the low abundance of the ions characteristic for the position of the other double bond, its localization may be difficult. Measurement of the chemical ionization (nitric oxide as reagent gas) spectra of the corresponding epoxides or collision activation studies can help.
    Zusätzliches Material: 5 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/oms.1210261205
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  • 5
    Digitale Medien
    Digitale Medien
    Composition analysis of crosslinked styrene-ethylene dimethacrylate and styrene-divinylbenzene copolymers by Raman spectroscopy (1979)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 23 (1979), S. 3553-3561 
    Details
    ISSN: 0021-8995
    Schlagwort(e): Chemistry ; Polymer and Materials Science
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie , Maschinenbau , Physik
    Notizen: A method for the determination of composition and content of pendent double bonds in untreated samples of styrene-ethylene dimethacrylate and styrene-divinylbenzene copolymers from Raman spectra has been developed. By computer treatment of spectra it was shown that Raman spectra are sensitive to the distribution of components in the studied copolymers.
    Zusätzliches Material: 4 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/app.1979.070231211
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  • 6
    Digitale Medien
    Digitale Medien
    A facile method for the localization of a double bond in aliphatic compoundsStudies in CI Mass Spectrometry, XXIII. For part XXII see G. Drabner, A. Poppe and H. Budzikiewicz, Int. J. Mass Spectrom. Ion Processes 97, 1 (1990); for part XXI see H. Budzikiewicz and G. Drabner, Org. Mass Spectrom. 24, 535 (1989). (1990)
    New York, NY : Wiley-Blackwell
    Rapid Communications in Mass Spectrometry 4 (1990), S. 550-551 
    Details
    ISSN: 0951-4198
    Schlagwort(e): Chemistry ; Analytical Chemistry and Spectroscopy
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Physik
    Notizen: Olefinic aliphatic compounds can be transformed on a microscale into the corresponding epoxides by reaction with m-chloroperbenzoic acid. The crude reaction mixture can be analysed without further work-up, by gas chromatography followed by chemical ionization mass spectrometry or desorption chemical ionization mass spectrometry with nitric oxide as the chemical ionization gas.
    Zusätzliches Material: 3 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/rcm.1290041217
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  • 7
    Digitale Medien
    Digitale Medien
    Zerfall von 1-n-Butylaminocyclohexyl-phosphonsäure-di-n-butylester (Buminafos) in wäßrigem Medium (1991)
    New York, NY : Wiley-Blackwell
    Journal für Praktische Chemie/Chemiker-Zeitung 333 (1991), S. 85-90 
    Details
    ISSN: 0021-8383
    Schlagwort(e): Chemistry ; Organic Chemistry
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie
    Notizen: Degradation of n-Butylaminocyclohexyl phosphonic Acid di-n-Butylester (Buminafos) in Aqueous Medium.In aqueous medium, breakdown of Buminafos (1) is connected with total loss of its herbicidal activity. The phosphorus-carbon bond is cleaved and n-butylcyclohexylidene amine (3), cyclohexanone (5), phosphoric acid mono-n-butyl ester (4) (partly as n-butylamine salt), and 1-aminocyclohexyl phosphonic acid di-n-butylester (8) were found as degradation products of carbon-14 labeled Buminafos. Identification was performed by MS, GC/MS, 1H- and 31P-n.m.r. spectroscopy, by detection of phosphorus, and by means of the radioactivity.
    Zusätzliches Material: 2 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/prac.19913330118
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  • 8
    Digitale Medien
    Digitale Medien
    High resolution 1H-NMR relaxation study of polyisobutylene in solution (1976)
    New York : Wiley-Blackwell
    Journal of Polymer Science: Polymer Physics Edition 14 (1976), S. 1789-1800 
    Details
    ISSN: 0098-1273
    Schlagwort(e): Physics ; Polymer and Materials Science
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie , Physik
    Notizen: From the temperature dependence of integrated intensities and from line widths in high-resolution 1H-NMR spectra, the relaxation times T1 and T2 of protons in CH2 and CH3 groups of polyisobutylene in CCl4 solution have been determined. Although the relaxation time T1 of methylene protons is determined mainly by intragroup interactions, intergroup interactions of two methyl groups from each two consecutive monomer units were found to contribute considerably to T1 of methyl protons. The Structure and mobility of polyisobutylene (PIB) molecules in solution is discussed on the basis of the relaxation time data.
    Zusätzliches Material: 5 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/pol.1976.180141005
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  • 9
    Digitale Medien
    Digitale Medien
    Structure of the product of polymerization of 2,3-epoxypropyl methacrylate in the presence of porous glassDedicated to Professor Dr. Dr. h. c. Hermann Klare on ocassion of his 70th birthday (1979)
    Weinheim : Wiley-Blackwell
    Acta Polymerica 30 (1979), S. 283-289 
    Details
    ISSN: 0323-7648
    Schlagwort(e): Chemistry ; Polymer and Materials Science
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie , Physik
    Beschreibung / Inhaltsverzeichnis: Mittels 1H- und 13C-NMR- sowie Ramanspektren wurde gezeigt, daß die Epoxidgruppe von 2,3-Epoxypropylmeth-acrylat (EPMA) in Gegenwart einer großen Glasoberfläche quantitativ gespalten wird, wobei es zur Bildung von 2,3-Dihydroxypropylmethacrylat und einer Reihe von niedrigmolekularen Substanzen mit Doppelbindungen kommt. Die Polymerisation von EPMA in Gegenwart von porösem Glas liefert Poly(2,3-epoxypropyl-methacrylat). Ein Teil dieses Polymers ist am Glas fest gebunden, wahrscheinlich über die Zerlegungsprodukte des EPMA.
    Notizen: From 1H- and 13C-NMR and Raman spectra it was found that by the presence of a large surface of glass, the epoxide group of 2,3-epoxypropyl methacrylate (EPMA) is completely decomposed, yielding 2,3-dihydroxypropyl methacrylate and a number of additional low-molecular-weight products with double bonds. Polymerization of EPMA in the presence of porous glass yields poly(2,3-epoxypropyl methacrylate). Part of this polymer is firmly bound to the glass, probably by means of the decomposition product of EPMA.
    Zusätzliches Material: 8 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/actp.1979.010300512
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  • 10
    Digitale Medien
    Digitale Medien
    Multiple-pulse 1H-NMR study of polystyrene gels (1985)
    Weinheim : Wiley-Blackwell
    Acta Polymerica 36 (1985), S. 645-648 
    Details
    ISSN: 0323-7648
    Schlagwort(e): Chemistry ; Polymer and Materials Science
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie , Physik
    Beschreibung / Inhaltsverzeichnis: Untersucht wurden 1H-FID- und MW4-Spektren vom mit Ethylendimethacrylat und Divinylbenzen vernetztem und mit CCl4, CDCl3 und Benzen gequollenem Polystyren. Die mit Hilfe von Vielimpulscyclen erreichbaren Linienverschmälerungen werden diskutiert und mit denen der MAR-Technik verglichen. Die Temperaturabhängigkeit der effektiven Relaxationszeit T2eff spiegelt die Dynamik lokaler Segmentprozesse wider.
    Notizen: 1H-FID and MW4-pulse spectra of polystyrene crosslinked with ethylene dimethacrylate or divinylbenzene and swollen in CCl4, CDCl3 or benzene, are measured. Line-narrowing effects of multiple-pulse sequences are discussed and compared with those of the MAR-technique. The temperature dependence of the effective relaxation time T2eff reflects the dynamics of local segmental processes.
    Zusätzliches Material: 5 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/actp.1985.010361201
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