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  • 1
    Electronic Resource
    Electronic Resource
    The Location of the Reactive Carbon in N1-Methylnicotinamide (1948)
    s.l. : American Chemical Society
    Journal of the American Chemical Society 70 (1948), S. 2172-2172 
    Details
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ja01186a052
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Raman spectroscopy (1976)
    s.l. : American Chemical Society
    Analytical chemistry 48 (1976), S. 261-268 
    Details
    ISSN: 1520-6882
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ac60369a016
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  • 3
    Electronic Resource
    Electronic Resource
    A method for recording isometric tension development by isolated cardiac myocytes: transducer attachment with fibrin glue (1987)
    Springer
    Pflügers Archiv 408 (1987), S. 315-317 
    Details
    ISSN: 1432-2013
    Keywords: Isolated Cardiac Myocytes ; Fibrin Glue ; Tension Recording ; Calcium Ionophore
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The purpose of this study was to develop a method for attachment of single isolated cardiac myocytes to a transducer for recording isometric rension development. Cardiac myocytes were isolated from the hearts of the toad,Bufo marinus or ferrets by enzymatic digestion with collagenase. The method that we used provided a 60–80% yield of Ca++-tolerant cells. A suspension of cells was placed into a superfusion chamber coated with bovine thrombin. Two glass microtools — each attached to a micromanipulator — were brought into proximity with the ends of a single myocyte; one of the microtools was attached to the element of a low-level force transducer. Human fibrinogen was loaded into a fine-tipped glass micropipette mounted on a micromanipulator. Small amounts of fibrinogen were pressure-ejected from the pipette at each junction between the microtool and the end of the myocyte. The fibrin that formed produced a stable attachment of the ends of the myocyte to the microtools. The myocyte could subsequently be stretched, and a length-tension curve recorded. We have used this method to record concentration-dependent tension development in response to the Ca++-ionophore, A23187, and potassium depolarization. Our results indicate that fibrin glue may facilitate the study of the mechanical properties of isolated myocytes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02181475
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  • 4
    Electronic Resource
    Electronic Resource
    Surface-enhanced Raman scattering of triphenylmethane dyes on colloidal silver (1993)
    Chichester [u.a.] : Wiley-Blackwell
    Journal of Raman Spectroscopy 24 (1993), S. 107-112 
    Details
    ISSN: 0377-0486
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: Surface Raman spectral studies of triphenylmethane dyes on colloidal silver were carried out. An assessment of the surface and solution spectra led to the conclusion that the dye molecules are most likely lying parallel to the surface of the sol and adopting C3 symmetry. The major vibrational changes suggest that the most important center of interaction is the central carbonium ion, since the greatest changes are observed for the vibrations of the central bonds and only small changes are observed for the N-phenyl stretching modes. For a fixed concentration of sol the lowest level of detection was 5 × 10-8 M.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jrs.1250240209
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  • 5
    Electronic Resource
    Electronic Resource
    Resonance Raman spectroscopy of alkyl nitroxyl radicals (1985)
    Chichester [u.a.] : Wiley-Blackwell
    Journal of Raman Spectroscopy 16 (1985), S. 174-176 
    Details
    ISSN: 0377-0486
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: Resonance enhancement of the NO stretching Raman bands has been observed from dilute solutions (10-3-10-2 mol dm-3) of some alkyl nitroxyl radicals by excitation into their ultraviolet absorption band (λmax ≍ 240 nm). Excitation at 248 nm was produced by a line-narrowed, pulsed KrF excimer laser. Three overtone bands, which were observed for di-tert-butylnitroxyl, showed a small anharmonic contribution, xeνe = 8.8 cm-1.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jrs.1250160308
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