自拍偷区亚洲及综合第一页,亚洲av无码潮喷在线观看,最近2019中文字幕一页二页,最近中文字幕高清字幕mv,中文字幕无码人妻少妇免费

品名Ultra Uniform Gold Nanospheres – PEG-Carboxyl 品牌nanocomposix

Ultra Uniform Gold Nanospheres – PEG-Carboxyl
PEG-carboxyl is covalenently bound to the metal surface. The acid provides a highly negatively charged surface and can be utilized for conjugation. Learn more ?

Ultra Uniform materials are our most highly-monodispersed particles. Ideal for use as size standards or applications requiring a tight size distribution. Learn more ?

Provided at 0.05 mg/mL in aqueous 2 mM sodium citrate.