硫醇活性染料、近紅外Cyanine7.5，用于標記蛋白的巰基基團，是Cy7.5® maleimide的類似物。 大多數蛋白含有巰基基團，可以選擇性的標記馬來酰亞胺。該試劑可以使這些蛋白連接上近紅外熒光團。然后，該復合物可以用于非入侵性的活體成像，來研究組織和生物體內的蛋白分布。
推薦手冊：
蛋白與其他硫醇分子的馬來酰亞胺標記
Cy® is a trademark of GE Healthcare.
General properties
Appearance:
green powder
Molecular weight:
807.46
Molecular formula:
C51H55ClN4O3
Solubility:
soluble in organic solvents (DMSO, DMF, dichloromethane), low solubility in water
Quality control:
NMR 1H (95%) and 13C, TLC, functional testing
Storage conditions:
Storage: 24 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Avoid prolonged exposure to light. Desiccate.
MSDS:
Download
Spectral properties
Excitation maximum, nm:
788
Extinction coefficient at excitation maximum, Lmol-1cm-1:
223000
Emission maximum, nm:
808
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