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Pegylated lipids (peg化脂质) 聚乙二醇（peg）通常通过共价键与脂质分子结合，并与其它脂质混合形成脂质基纳米颗粒。 peg部分具有多种用途：它们能减小颗粒大小、防止储存期间的.

Melania Trump Wears Dior Outfit to President Trump Speech to Congress