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大量
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欣博盛
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250 mg
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文献和实验DETECTION OF ß-GALACTOSIDASE AND ALKALINE PHOSPHATASE ACTIVITIES IN TISSUE
1954, Pearson et al 1963). The most common such substrate is an indole derivative, 5-bromo-4-chloro-3-indolyl-ß-D-galactoside (X-gal, Holt and Sadler, 1958). When ß-gal cleaves the glycosidic linkage in X-gal, a soluble, colorless indoxyl monomer
Materials Fixative 2% Paraformaldehyde (in PBS) Staining solution 5 mM potassium ferricyanide, 5 mM potassium ferrocyanide, 2 mM MgCI, 0.01% sodium deoxycholate 0.02% Nonidet P-40 (NP-40) in PBS. X-gal Stock 40 mg
Whole-mount in situ hybridization for the detection of RNA in C. elegans embryos
(Boehringer Mannheim Cat# 242 608)- Levamisole (Sigma, Cat# L-9756) - NaN3 (Sigma Cat# S-2002)- NBT: 4-Nitro blue tetrazolium chloride. (Boehringer Mannheim Cat# 1383 213)- p-Phenylenediamine (Sigma Cat# P-6001)- 0.1% Poly-L-lysine solution
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