The serum level of D-lactic acid was significantly higher in group A than in group F and C (P<0.01).

F组胃肠道食物残渣分布与C组比较无统计学意义，D乳酸水平显著低于A组（P<0.01）。

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Starting from d, Llactic acid and glycolic acid, biodegradable drug delivery material poly (lactic acid-glycolic acid) (PLGA) was directly synthesized via melt polycondensation.

以d, l乳酸、乙醇酸为原料，通过熔融聚合法直接合成生物降解材料聚乳酸乙醇酸(PLGA)。

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The encapsulation efficiency and drug loading of triptolide-loaded poly (d, L-lactic acid) nanoparticles were analyzed by RP-HPLC and ultracentrifuge method in this study.

本文研究了反相高效液相色谱和超速冷冻离心测定雷公藤甲素聚乳酸纳米粒包封率和载药量的方法。

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