Results 271 to 280 of about 270,943 (291)
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Gramicidin D and Dithiothreitol Effects on Erythrocyte Exovesiculation
Cell Biochemistry and Biophysics, 2005The use of either diphenylhexatriene, trimethylamino-diphenylhexatriene, or heptadecyl-hydroxycoumarin (C17-HC) allows, simultaneously and with the same molecule, the induction of erythrocyte exovesiculation and labeling of the released vesicles with the fluorescent probe.
Santos, Nuno C. +2 more
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Static quenching of tryptophan fluorescence by oxidized dithiothreitol
Biochemical and Biophysical Research Communications, 1989The quenching of fluorescence of 5-methoxyindole, N-acetyl-L-tryptophanamide and two single tryptophan containing peptides, melittin and mastoparan X, by oxidized dithiothreitol was studied. The slopes of the Stern-Volmer plots for steady-state fluorescence quenching were 133 M-1, 71.2 M-1, 75.5 M-1 and 35.0 M-1 at 21 degrees C and pH 7.0 for 5 ...
G, Sanyal +3 more
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Dithiothreitol improves recovery from in vitro diaphragm fatigue
Medicine & Science in Sports & Exercise, 1998There is increasing evidence that reactive oxygen species are produced during strenuous skeletal muscle work and that they contribute to the development of muscle fatigue. Although the precise cellular mechanisms underlying such a phenomenon remain obscure, it has been hypothesized that endogenously produced reactive oxygen species may down-regulate ...
P T, Diaz +5 more
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The effect of dithiothreitol on the LW antigen
Transfusion, 1984Dithiothreitol (DTT) has been found to destroy the integrity of the LW antigen. This may pose a problem when DTT is used to differentiate IgM from IgG anti‐LW, or may be used as an aid in the identification of anti‐LW.
G J, Konigshaus, T I, Holland
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The oxidation of dithiothreitol by peroxidases and oxygen
Biochimica et Biophysica Acta (BBA) - Enzymology, 1976Horseradish peroxidase (1.11.1.7), lactoperoxidase (1.11.1.7), and the fragment of cytochrome c known as microperoxidase have been shown to catalyze the oxidation of reduced dithiothreitol in an oxygen-consuming reaction. Evidence for horseradish peroxidase intermediates compound III and compound II has been observed, although ferroperoxidase was not ...
J, Olsen, L, Davis
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Dithiothreitol-induced triphasic response of dog coronary arteries
European Journal of Pharmacology, 1989Exposure of dog coronary arterial strips to dithiothreitol resulted in a triphasic response which was characterized by an initial rapid, weak contraction (phase A), an intervening slow relaxation (phase B) and finally, a slowly developing intense contraction (phase C). No responses were observed when either oxidized dithiothreitol or threitol were used.
H, Fujioka +5 more
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Dithiothreitol inactivation of frog epidermis tyrosinase.
Revista espanola de fisiologia, 1978Frog epidermis tyrosinase inactivation by dithiothreitol (DTT), both in the proenzyme and active forms, have been studied. Upon increasing DTT:enzyme-up to 1o(6):1 ratios and depending on the incubation period, two inactivation steps both in proenzyme and enzyme were observed. Enzyme lost its activity faster than proenzyme. Oxygen favoured inactivation.
J L, Iborra, J A, Ferragut, J A, Lozano
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