20563ES NHS-Activated MagBeads NHS活化磁珠 基质聚合物磁性微球偶联量>10 μg IgG/mg 介质磁珠浓度10 mg/mL微球粒径1 μm储存缓冲液100%异丙醇 Specs 2 sizes Yeasen $203.89促 Inquire询 Detail详 20563ES03 1 mL $1,468.00 20563ES08 5 mL $4,648.00