聚-D-赖氨酸氢溴酸盐,Poly-D-lysine hydrobromide [PDL];mol wt 150,000-300,000
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聚乙二醇三甲基壬基醚,TERGITOL™ TMN-100X solution;laboratory grade
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丁基羟基茴香醚,Butylated hydroxyanisole [BHA];analytical standard, ≥99.0% (sum of isomers, GC)
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羟乙基哌嗪乙硫磺酸,HEPES, Free Acid, ULTROL® Grade;A zwitterionic N-substituted aminosulfonic acid buffer. Useful in the pH 6.8-8.2 range. Has a pKa of 7.48 at 25°C. Absorbance (1.0 M, H2O, 260 nm):≤0.05.
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苯甲酸钠,Sodium benzoate;ReagentPlus®, 99%
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邻二甲苯,o-Xylene;analytical standard, ≥99.0% (GC)
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二甲基亚砜,Dimethyl sulfoxide [DMSO];for molecular biology, ≥99.9%