sigma试剂 视黄醇,Retinol ,95144 - BioXtra, ≥99.0% (HPLC), ~3100 units/mg
sigma试剂 3-Phosphoglyceric Phosphokinase from baker's yeast (S. cerevisiae),P7634 - ammonium sulfate suspension, ≥1000 units/mg protein
sigma试剂 Lithium chloride,氯化锂,62476 - BioUltra, for molecular biology, anhydrous, ≥99.0% (AT)
sigma试剂D9132 2,2-Diphenyl-1-picrylhydrazyl , 2,2-联苯基-1-苦基肼基
sigma试剂G8773 甘油 for electrophoresis, ≥99% (Sigma)
sigma试剂 Triton® X-100,T8787 - for molecular biology