推荐产品
产品名称
BLOCKED P-NITROPHENYL-ALPHA-D-MALTOHEPTAOSIDE,
形狀
powder
品質等級
分子量
1362
雜質
≤3% Water content (Karl Fischer)
顏色
white to yellow
運輸包裝
dry ice
儲存溫度
−20°C
一般說明
This product is useful as a substrate for determination of α-amylase activity. This oligosaccharide contains a blocking group at the non-reducing end, which prevents exoglucosidase from attacking the substrate molecule. Amylase can still cleave the substrate internally, which releases short p-nitrophenol-linked (pNP-linked) oligosaccharides. After removal of the blocking group, auxiliary enzymes such as glucoamylase and maltase can release the chromogen. Glucoamylase accelerates this reaction via action on the longer chains. Maltase then separates these longer chains from the pNP moiety.
儲存類別代碼
11 - Combustible Solids
水污染物質分類（WGK）
WGK 3
閃點（°F）
Not applicable
閃點（°C）
Not applicable
DNA typing after α-amylase test.
Rapone, C. et al.
International Congress Series, 1239, 911-915 (2003)
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