Malic acid contents showed orderly diurnal fluctuation in the leaf of D. primulinum, and its rhythm demonstrated the characteristics of four phases exclusive to CAM species.
报春石斛叶片苹果酸含量表现出规律性的昼夜变化,其节律与典型CAM植物相似,呈现四阶段的鲜明特征。
参考来源 - 三种石斛的光合电子传递、碳同化动态研究The malic acid was connected to the chain end of the amphiphilic diblock copolymer MPEG-GA8-COOH also using the group protection method to increase the drug loading.
同样使用基团保护法,在MPEG-GA8-COOH端基接上苹果酸,得到端双羧基的嵌段聚合物,从而增加药物支载率。
参考来源 - 新型两亲性嵌段聚合物的合成及其抗肿瘤前药的制备·2,447,543篇论文数据,部分数据来源于NoteExpress
N a colourless crystalline compound occurring in apples and other fruits. Formula: HOOCCH2CH(OH)COOH 苹果酸; 存在于苹果和其它水果中的无色结晶物
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