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Documentos Principais

97875

Sigma-Aldrich

Atto 647

BioReagent, suitable for fluorescence, ≥90% (HPCE)

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About This Item

Número MDL:
Código UNSPSC:
12352108
NACRES:
NA.32

linha de produto

BioReagent

Nível de qualidade

Ensaio

≥90% (HPCE)

forma

powder

fabricante/nome comercial

ATTO-TEC GmbH

transmitância

254 nm
647 nm

fluorescência

λex 643 nm; λem 665 nm in 0.1 M phosphate pH 7.0

λ

in ethanol (with 0.1% trifluoroacetic acid)

Absorção UV

λ: 645-651 nm Amax

adequação

suitable for fluorescence

temperatura de armazenamento

−20°C

Descrição geral

Atto 647 is a zwitterionic dye with a net electrical charge of zero. It is a pH sensitive product. While practically stable up to pH 8.5, it slowly degrades at higher pH. Atto 647 is a new label with high molecular absorption (120,000) and quantum yield (0.20) as well as enough Stokes shift between excitation and emission maximum. Atto 647 is characterized by a high photostability and brightness. In addition, this label has good water solubility and low triplet formation ability.

Aplicação

Atto fluorescent labels are designed for high sensitivity applications, including single molecule detection. Atto labels have rigid structures that do not show any cis-trans-isomerization. Thus these labels display exceptional intensity with minimal spectral shift on conjugation.

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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

Equipamento de proteção individual

Eyeshields, Gloves, type N95 (US)


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