Spectral study of the peripheral site of ligand binding in the active center of cholinesterases from different natural sources

Gainullina, E. T.; Karavaev, V. A.; Klyuster, O. V.; Ryzhikov, S. B.

doi:10.1134/s1062359006030046

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Amanitine R Alpha Beta1

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2013

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“…RESULTS AND DISCUSSION An advantage of EtBr over the other fluorogenes studied refers to its high photostability in excitation at the wavelength 470 nm where its absorption band is located [7].…”

Section: Amanitine R Alpha Betamentioning

confidence: 99%

A rapid test for toxins from Amanita phalloides mushrooms

Gulikova

Gainullina²,

Ponsov³

et al. 2013

J Anal Chem

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Abstracts-A rapid test for amanitins is proposed on the basis of their complexation with ethydium bromide leading to an intensively fluorescent adduct; the fluorescence band of the product has a shorter wavelength than that of ethydium bromide, which ensures the high specificity of the analysis. The fluorescence intensity in the system of ethydium bromide -amanitin grows linearly with the concentration of amanitin in the range 0.2-1.7 μM at the constant concentration of ethydium bromide, 0.6 μM. The detection limit is 1 μM, the time of the development of the analytical signal is up to 5 s.

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Section: Amanitine R Alpha Betamentioning

confidence: 99%