IPTG, Dioxane-Free (isopropyl-β-thiogalactoside) is an analogue of allolactose that binds specifically to the repressor protein of the lac operon and induces expression of β-galactosidase in Escherichia coli. The compound is widely used with X-Gal plates to screen for blue and white colonies. The lac operon system and IPTG have been used in multiple cloning experiments and cellular systems to study gene activity.
麦芽三糖 BR 95%
糊精，99%，AR
L-岩藻糖 98%
醋酸丁酸纤维素 ,35-39...
甘露醇 ,AR,98.0%
玉米淀粉 ,试剂级
葡萄糖，一水 ,AR，99%
D(+)-乳糖一水合物，99...
L-核糖 ,BR，98%
2-脱氧-D-核糖 ,98%
甘露聚糖，98%
糊精，AR
阿拉伯树胶粉，AR
DL-乳酸，CP，85%
N-甲基-D-葡糖胺，高纯，...
L-山梨糖，BR，98%
DL-苹果酸钙，BR，98%
苹果酸钠，CP，98%
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