本文综述了氨基酸型两性表面活性剂应用于皮革中的研究动向，并重点介绍了其分类及合成方法。
In this paper, the classification and synthesis methods of amino-acid type amphoteric surfactant, and the progress of its application in leather industry were introduced.
因此，CYP86 MF基因的核苷酸及其可能编码的氨基酸序列差异属间较种间大，它可用于属间的分类等级研究。
It was concluded that CYP86MF gene was applicable to genus taxon because the differences of sequences in nucleotides and amino acids were lower (between) species than genera.
请依据氨基酸支链的性质来分类：疏水性、亲水性、极性与非极性。
Please group amino acids according to the nature of their side chains: hydrophobic, hydrophilic, polar and nonpolar.
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