51797
Atto MB2 maleimide
Methylene Blue derivative, ≥90% (HPLC)
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About This Item
Codice UNSPSC:
12352111
NACRES:
NA.32
Prodotti consigliati
Saggio
≥90% (HPLC)
≥90% (degree of coupling)
Forma fisica
solid
Produttore/marchio commerciale
ATTO-TEC GmbH
λ
in ethanol (with 0.1% trifluoroacetic acid)
Assorbanza UV
λ: 655-661 nm Amax
Temperatura di conservazione
−20°C
Applicazioni
ATTO MB2 is a derivative of the well-known redox dye Methylene Blue. The dye can be reversibly reduced to the colorless leuko form. Upon oxidation the dye recovers and the absorption is fully restored. In common with most ATTO-labels the dye shows a high extinction coefficient. The dye is moderately hydrophilic. ATTO MB2 is a cationic dye. After coupling to a substrate the dye carries a net electrical charge of +1. Maleimides are well suited for coupling to thiol groups. This is similar to iodacetamides, but maleimides react more selectively with thiols. They do not show significant reaction with histidine or methionine. Hydrolysis of maleimides to a mixture of isomeric nonreactive maleamic acids can compete significantly with thiol modification, particularly above pH 8. Maleimides may be used for labeling of amines, which usually requires a higher pH than reaction of maleimides with thiols.
Note legali
This product is for Research use only. In case of intended commercialization, please contact the IP-holder (ATTO-TEC GmbH, Germany) for licensing.
Codice della classe di stoccaggio
11 - Combustible Solids
Punto d’infiammabilità (°F)
Not applicable
Punto d’infiammabilità (°C)
Not applicable
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