93042
Phalloidin–Atto 590
suitable for fluorescence, ≥90%
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10 NMOL
R$ 3.347,00
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10 NMOL
R$ 3.347,00
About This Item
Código UNSPSC:
12352108
NACRES:
NA.32
Produtos recomendados
Ensaio
≥90%
Formulário
solid
peso molecular
Mw 1473 g/mol
fabricante/nome comercial
ATTO-TEC GmbH
fluorescência
λex 594 nm; λem 624 nm in 0.1 M phosphate pH 7.0
adequação
suitable for fluorescence
temperatura de armazenamento
−20°C
Descrição geral
Atto 590 is a novel fluorescent label that belongs to the class of Rhodamine dyes. It shows a strong absorption, high fluorescence quantum yield, high thermal and photostability, and a very little triplet formation. Atto 590 consists of a mixture of two isomers with practically identical optical absorption and emission Phalloidin is a fungal toxin isolated from the poisonous mushroom Amanita phalloides. Its toxicity is attributed to the ability to bind F actin in liver and muscle cells. As a result of binding phalloidin, actin filaments become strongly stabilized. Phalloidin has been found to bind only to polymeric and oligomeric forms of actin, and not to monomeric actin. The dissociation constant of the actin-phalloidin complex has been determined to be on the order of 3 x 10-8. Phalloidin differs from amanitin in rapidity of action; at high dose levels, death of mice or rats occurs within 1 or 2 hours. Fluorescent conjugates of phalloidin are used to label actin filaments for histological applications. Some structural features of phalloidin are required for the binding to actin. However, the side chain of amino acid 7 (g-d-dihydroxyleucine) is accessible for chemical modifications without appreciable loss of affinity for actin.
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Código de classe de armazenamento
11 - Combustible Solids
Classe de risco de água (WGK)
WGK 3
Ponto de fulgor (°F)
Not applicable
Ponto de fulgor (°C)
Not applicable
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