Streptavidin-FITC/TRITC/Cy3/Cy5/Cy7
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Streptavidin-FITC/TRITC/Cy3/Cy5/Cy7/SH
產(chǎn)品名稱(chēng):Streptavidin-FITC
一種綠色熒光標(biāo)記的鏈霉親和素,吸收波長(zhǎng)為488nM,發(fā)射波長(zhǎng)為510nM。
基本數(shù)據(jù):
Molecular Weight ~60 kDa (tetramer)
Concentration 5 mg/ml
Modification level 2.8 FITC/tetramer
產(chǎn)品名稱(chēng):Streptavidin-TRITC
TRITC中文名又叫四甲基異硫氰酸羅丹明,它是一種發(fā)紅光的親水性的熒光染料,它的吸收波長(zhǎng)為555nM,發(fā)射波長(zhǎng)為575nM。
基本數(shù)據(jù):
Molecular Weight: ~60 kDa
Concentration: 1 mg/ml
Maximum absorption: 555 nm
Maximum emission: 575 nm
Preservative: 0.05% sodium azide
Method of modification: isothiocyanatechemistry
產(chǎn)品名稱(chēng):Streptavidin-Cy3
Cy3是菁染料,是一種近紅外熒光染料,常常被用于活體成像,呈現(xiàn)綠色光,吸收波長(zhǎng)為550nM,發(fā)射波長(zhǎng)為570nM。
基本數(shù)據(jù):
Molecular Weight: ~60 kDa
Concentration: 2.5 mg/ml
Modification level: 2.2 Cy 5/tetramer
Maximum absorption: 550 nm
Maximum emission: 570 nm
Preservative: 0.05% sodium azide
Method of modification: Cyanine 3,succinimidyl ester
產(chǎn)品名稱(chēng):Streptavidin-Cy5
Cy5是菁染料,是一種近紅外熒光染料,常常被用于活體成像,呈現(xiàn)紅色光,吸收波長(zhǎng)為650nM,發(fā)射波長(zhǎng)為670nM。
基本數(shù)據(jù):
Molecular Weight ~60 kDa (tetramer)
Concentration 2.5 mg/ml
Modification level 2.6 Cy 5/tetramer
Maximum absorption 650 nM
Maximum emission 670 nM
Preservative 0.05% sodium azide
Other additives 20 mM NaPO4 buffer
Method of modification Cyanine5,succinimidyl ester
產(chǎn)品名稱(chēng):Streptavidin-Thiol
鏈霉親和素Streptavidin和活化的巰基相連,通常這種產(chǎn)品是需要把鏈霉親和素連接到其他的分子上面,使用SH和蛋白,多肽,抗體或者其他小分子上面的MAL活性基團(tuán)反應(yīng),從而相連。
基本數(shù)據(jù):
Source: Recombinant protein produced inE.coli
Protein concentration: 1 mg/ml
Thiols/monomer: 1.5 thiols per monomer
Additives: 20 mM sodium citrate pH 4.00
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常用的近紅外熒光染料Near-InfraredFluorescent Dyes、NIR-菁染料發(fā)光表:
