jackson二抗 Polyscience 23966 Liposomes脂质体 Biotium溴化乙锭 goldbio荧光素

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ProChimia/HS-(CH2)m-COO-NHS/FT 003-m10-0.5/500 mg

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Harbors molecules onto a SAM-covered surface though an amide bond forming between the NHS ester and the molecules free amino group. This NHS-ester coupling reaction is extremely easy to carry out, and proceeds in excellent yield. In a typical procedure, a gold slide (~1 cm²) covered with NHS-terminated SAM is immersed for 3 hrs in 0.5 mL of a methylene chloride (chloroform, THF, dry DMF and DMSO, absolute ethanol are also allowed) solution of a molecule bearing free amino group and 1.5 equivalents of NEt₃. When the reaction is complete, the substrate should be rinsed with pure solvent and dried under a stream of nitrogen.

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