产品名称
Atto MB2 maleimide, Methylene Blue derivative, ≥90% (HPLC)
assay
≥90% (HPLC)
≥90% (degree of coupling)
form
solid
manufacturer/tradename
ATTO-TEC GmbH
λ
in ethanol (with 0.1% trifluoroacetic acid)
UV absorption
λ: 655-661 nm Amax
storage temp.
−20°C
Quality Level
Application
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.
Legal Information
This product is for Research use only. In case of intended commercialization, please contact the IP-holder (ATTO-TEC GmbH, Germany) for licensing.
存储类别
11 - Combustible Solids
flash_point_f
Not applicable
flash_point_c
Not applicable
Methylene blue as the safest blue dye for sentinel node mapping: emphasis on anaphylaxis reaction.
Sadeghi Ramin et al.
Acta oncologica (Stockholm, Sweden), 50(5), 729-731 (2011-03-19)
Matthew Endara et al.
Advances in skin & wound care, 25(12), 549-555 (2012-11-16)
Chronic wounds are typically halted in the inflammatory stage of wound healing secondary to a prolonged inflammatory response of the body to bacterial colonization, as planktonic bacteria and biofilm and senescent cells present at the wound's edges. Surgical debridement of
Aleksandra K Bruchey et al.
American journal of pharmacology and toxicology, 3(1), 72-79 (2008-01-01)
The goals of this review were to identify methylene blue (MB) as a compound that follows hormetic behavior for a wide range of effects and to address the question of what is unique about MB that could account for its
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