THE ULTRAVIOLET AND VISIBLE ABSORPTION SPECTRA OF CYPRIDINA LUCIFERIN SOLUTIONS
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چکیده
منابع مشابه
Stereoselective incorporation of isoleucine into Cypridina luciferin in Cypridina hilgendorfii (Vargula hilgendorfii).
The emission of light in the marine ostracod Cypridina hilgendorfii (presently Vargula hilgendorfii) is produced by the Cypridina luciferin-luciferase reaction in the presence of molecular oxygen. Cypridina luciferin has an asymmetric carbon derived from isoleucine, and the absolute configuration is identical to the C-3 position in L-isoleucine or D-alloisoleucine. To determine the stereoselect...
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The absorption spectra of proteins have been made the subject of considerable study. For the greatest number of proteins there has been demonstrated a broad band with a peak at about 280 rnp and a minimum, on the short wave-length side, at about 250 m,u (1). From quantitative studies of simple proteins, this band could be correlated with the presence of tyrosine, tryptophan, and phenylalanine (...
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* This work was supported by Grant E-1181 from the National Institutes of Health and by Contract AT (30-1) 2358 from the U. S. Atomic Energy Commission. The deuterium oxide was obtained on allocation of the Atomic Energy Commission. t Medical Student Investigator, supported by the Health Research Council of the City of New York. l Borek, E., and D. Rittenberg, these PROCEEDINGS, 46, 777 (1960)....
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The complex formation between Cu (I) Cl and Cl was investigated in a 1 M HC104 ionic medium at 22 °C. In saturated CuCl(s) — Cl'-solutions over the concentration range 0 — 0.25 M Cl" the only complexes observed are CuCl2" and CuCl32-. The complex constants for the formation of these complexes are l o g ß n = —1.31 and log / ? 1 2 = —1.6 respectively. The UV-absorption spectra of CuCl2~ and CuCl...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 1951
ISSN: 0021-9258
DOI: 10.1016/s0021-9258(18)56001-4