biological source
synthetic
Quality Segment
conjugate
FITC conjugate
form
powder or crystals
mol wt
average mol wt 4,000
composition
carboxymethyl content, 3-7%
extent of labeling
0.001-0.020 mol/mol FITC glucose
technique(s)
permeability assay: suitable
color
light orange to dark orange, orange-yellow, light yellow to dark yellow, yellow-orange
fluorescence
λex 493 nm; λem 517 nm±5 nm in 0.1 M Tris pH 8.0
General description
FITC-CM-葡聚糖,也称异硫氰酸荧光素–羧甲基–葡聚糖,是一种阴离子荧光探针。羧基提供了负电荷,其改善分子的总体渗透性。它是以黄色粉末形式供货,易溶于水和电解质溶液。FITC-CM-葡聚糖不溶于大多数有机样品,如乙醇、甲醇、丙酮和氯仿。FITC-CM-葡聚糖是通过选定的葡聚糖与活化的羧甲基衍生物在碱中反应制造,通过反应O-甲氧基被引入葡聚糖链。
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存储类别
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable