Red colored polystyrene beads Cat. No. PSR500-1 500 nm 1 mL修饰性聚乙二醇 上海金畔生物科技有限公司提供各种分子量和基团修饰性聚乙二醇定制服务。 Red colored polystyrene beads Cat. No. PSR500-1 Specification 500 nm Unit Size 1 mL Price $385.00 Qty Add to Cart