carboxyl terminus羧基端;羧基;泛素
terminal carboxyl末端羧基
side carboxyl羧基侧基
poly carboxyl聚羟酸系
carboxyl modification羧化改性
terminated carboxyl端羧基
carboxyl chitosan羧化壳聚糖
carboxyl peaks羧基峰
containing carboxyl含羧基的
. .03 hydrogen bond forms between the nitrogen atom of a -NH2 and the oxygen atom of the carboxyl.
2) 氨基酸负离子中，α-NH2上的氮原子也和羧基氧原子形成N1—H2…O3氢键。
参考来源 - 天然氨基酸离子的量子化学研究Only the epoxy groups on graphene oxides were reduced by alcohols, while those groups such as hydroxyl and carboxyl groups were maintained.
经过乙醇和乙二醇处理后的氧化石墨烯,只有环氧基功能团可以被还原,而对羟基和羧基的还原效果则比较差。
参考来源 - 基于石墨烯材料的制备及其性能的研究