L-Aspartic acid sodium salt L-

Sodium Acetate Precipitation of Small Nucleic Acids

实验步骤   1.        Add 2 μl carrier to the nucleic acid solution and mix well. 2.        Add 1:10 volume of 3 M sodium acetate and mix thoroughly; for 230 μl of Lower Running Buffer, this will be 23 μl of 3 M

柠檬酸（枸橼酸） citric acid

无色结晶，作为柠檬酸循环之一在好氧代谢中起着重要的作用。广泛分布于生物界，此外作为细菌、霉菌的发酵生成物而大量产生。是Ca离子的捕获剂，其钠盐（ sodium citrate）可用作血液的抗凝剂。在柠檬、桔子等有酸味的果实中以游离状态存在。在线粒体膜上有柠檬酸的运输系统。柠檬酸还对磷酸果糖激酶作为效应物而起抑制作用。  

Acid Phosphatase for Glycol Methacrylate Sections Procedure

, sodium salt (Sigma) - 40 mg N.N-dimethylformamide - 4 ml Pararosaniline Solution Pararosaniline (C.I.# 42500) - 2 g 2N HCl - 50 ml Use heat to dissolve, filter when cool and store at 4°C. Sodium Nitrite Solution