链端的 meaning in English

terminated

The study of in - situ construction of cytocompatible surface on pdl - la matrix via amphiphile - amino acid ( rgd ) hybrid self - segregation - the amphiphilic diblock copolymer , poly ( dl - lactide ) - poly ( ethylene oxide ) ( pla - peo ) copolymer , containing hydrophobic pla block and hydrophilic peo block was synthesized via coupling method in this dissertation . cell - adhesion - promoting amino acids and integrin receptor peptide rgd were then immobilized at the end of peo chain of pla - peo copolymer via hydroxyl group activation technique . the solvent blending and casting method was then used to obtain the amphiphile modified pdl - la membranes
两亲共聚物-氨基酸( rgd )杂化体原位自修饰构建聚乳酸细胞相容性表面的研究一本论文首先设计并合成了一类含疏水聚乳酸( pla )链段和亲水聚氧乙烯( peo )链段的两亲嵌段共聚物材料( pla - peo ) ，利用peo链端的活性官能团羟基固定了促细胞粘附的氨基酸及整合素配体多肽片段rgd 。