Benzenesulfonic Acid Sodium Sa

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

Bicinchoninic Acid (BCA) Protein Assay (Smith)

at 562 nm.Color will be stable for at least one hour. Procedure 2 (micro assay) Reagents 1.Reagent A: 8 gm sodium carbonate monohydrate,1.6 gm sodium tartrate,brought to 100 ml with distilled water.Adjust the pH to 11.25 with 10 M NaOH. 2.Reagent B

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