乙醇酸

电渗析膜分离提纯制备高纯度乙醇酸的研究

Studies on Preparation of Glycollic Acid by Means of Membrane Separation Technique

维生素B1片催化下的二苯基乙醇酸的合成及表征

Preparation and Characterization of Benzilic Acid Catalyzed by the Tablet of Vitamin B_1

乙醇酸甲酯（MG）是一种重要的化工中间体。

Methyl glycolate ( MG ) is an important chemical intermediate .

我们认为在C4和CAM植物中也存在光呼吸乙醇酸循环。

It was considered that there was a glycolate cycle in C4 and CAM plants .

HPLC测定雷帕霉素聚乳酸-聚乙醇酸纳米粒的包封率

Determination of Encapsulation Efficiency of Rapamycin-loaded Poly ( lactic-co-glycolic ) acid Nanoparticles by HPLC

分别从荞麦与大豆叶片中部分纯化了乙醇酸氧化酶（GO，EC1.1.3.1），并研究其部分性质。

In this study , glycolate oxidase ( GO ) was partially purified from both buckwheat and soybean leaves and then compared in terms of the catalytic property .

它们的乙醇酸氧化酶活性远低于C3植物，而过氧化氢酶活性略低于C3植物；

The activity of glycolate oxidase In C4 and CAM plants compared to that in the C plants was much lower and the activity of catalase slightly lower .

我们认为CAM植物体内乙醇酸循环的运转傍晚较早晨快。

The turnover of the glycolate cycle was postulated to be faster at nightfall than in the morning in CAM plants .

乳酸乙醇酸共聚物（PLGA）熔体的流变性能

Rheological behavior of lactic acid and glycolic acid ( PLGA ) copolymer melt

~（60）Co辐照对睾丸酮/乳酸-乙醇酸共聚物微球理化特性及体外释放的影响

Effect of ~ ( 60 ) Co irradiation on physicochemical properties and in vitro drug release profile of testosterone / poly ( DL-lactide - co-glycolide ) microspheres

方法：纯度为99%的川芎嗪单体、甲基丙烯酸甲酯共聚物和聚乙醇酸均匀喷涂于金属裸支架上，制成含川芎嗪200μg的涂层支架。

Methods : Bare metal stents were uniformly sprayed painting with Tetramethylpyrazine monomer ( 200 μ g )、 methyl methacrylate copolymer and polyglycolic acid , and prepared Tetramethylpyrazine-eluting stents .

聚乳酸（PLA）及其共聚物（聚（D，L-乳酸-co-乙醇酸））（PLGA）具有良好的生物相容性，在组织工程领域得到广泛的研究和应用。

Polylactide ( PLA ) and its copolymers ( PLGA ) are biocompatible polymers and have extensive application in tissue engineering .

目的：优化盐酸昂丹司琼聚乳酸-乙醇酸嵌段共聚物（PLGA）微球的处方工艺。

Objective : To optimize the technique for preparation of ondansetron hydrochloride-loaded poly ( lactic-co-glycolic acid )( PLGA ) microspheres .

方法采用乳化-分散法，将可生物降解高分子聚乳酸/乙醇酸共聚物（PLGA）对VEGF进行包裹，合成可缓慢释放的微粒。

Methods The method of emulsification-diffusion was to incorporate VEGF into microparticles that composed of biodegradable PLGA , and the controlled release of microparticles were acquired .

聚乳酸乙醇酸（PLGA）是一种可降解的高分子聚合物，其对药物具有缓释作用，且有较好的生物相容性。

PLGA is a kind of degradable high molecular polymer with good biocompatibility . Drug connected have the function of control release .

本文以甘肃省河西走廊生长的四个不同生境芦苇为对象，比较研究了它们的叶解剖结构、光合关键酶活力、乙醇酸氧化酶活力和稳定碳同位素组成（δ~（13）C）。

Leaf anatomical structure , photosynthetic enzyme activity , glycollate oxidase activity and stable carbon isotopic composition (δ ~ ( 13 ) C ) in leaves from different habitat reed distributed over the Hexi corridor of Gansu province were comparatively investigated .

由于PGA比PLA更易降解，在PLA/PGA复合纤维中PGA能首先水解为乙醇酸。

Since PGA is more highly degradable than PLA , PGA can be first hydrolyzed to glycolic acid in the PLA / PGA conjugate fiber .

通过聚乳酸（PLLA）、聚乙醇酸（PGA）的复合纺丝，获得一种新的皮芯复合纤维，并对纤维拉伸特性和微观结构进行探讨。

A new core-sheath conjugate fiber was obtained through PLLA and PGA conjugate spinning , and the tensile properties and micro-structure were discussed .

经SDS-PAGE检测均有40kD带，表明3种植物乙醇酸氧化酶的亚基大小无区别。

SDS-PAGE of the glycolate oxidases revealed a 40-kD band , which indicates that the subunit molecular weight of glycolate oxidases in the 3 different plants was identical .

目的：睾丸酮（T）/乳酸-乙醇酸共聚物（PLGA）微球60Co辐照灭菌可行性研究。

OBJECTIVE : To investigate the possibility to sterilize testosterone ( T ) / poly ( DL-lactide-co-glycolide )( PLGA ) microspheres with 60 Co irradiation .

以可生物降解材料聚乳酸聚乙醇酸共聚物（Poly-dl-lactic-co-glycolic，PLGA）为原料，采用多相乳化技术制备载VEGF纳米粒子。

VEGF nanoparticle ( VEGF-NP ) was prepared by a multi-emulsification technique using a biodegradable poly-dl-lactic-co-glycolic ( PLGA ) as matrix material ?

目的探讨在高脂内环境下聚乙醇酸（PGA）可降解血管外支架对自体移植静脉（VG）再狭窄的防治作用。

Objective To investigate preventive effect of the polyglycolic acid ( PGA ) biodegradable external stent on restenosis of autologous vein graft in hyperlipemia rabbits .

目的：了解单纯聚乙醇酸和聚乳酸共聚物（PLGA）以及经Ⅱ型胶原表面修饰后的PLGA，对诱导后的骨髓间充质干细胞（MSC）粘附、增殖及分化的影响。

Aim : To investigate the effects of PLGA and PLGA modified by Collagen ⅱ on the adhesion and differentiation in the induced mesenchymal stem cells ( MSCs ) .

取新生SD大鼠背根神经节与人工材料聚乙醇酸纤维联合培养3周，倒置显微镜与扫描电镜观察。

The coculture of dorsal root ganglia from 13 d SD rat with artificial material of polyglycolic acid filament were performed for 3 weeks , and observed under inverted phase contract microscope and scanning electron microscope .

目的研究苯乙烯作业工人染色体畸变率与尿中代谢物苯乙醛酸（PGA）、苯乙醇酸（MA）浓度的关系。

Objective Relationship between chromosome aberration ( CA ) and metabolite of styrene , phenylglyoxylic acid ( PGA ) and mandelic acid ( MA ) in urine is probed into .

目的考察乳酸-羟乙醇酸共聚物（PLGA）微球制备工艺对新城疫病毒的稳定性影响，并寻求合适的保护剂以稳定新城疫病毒的活性。

OBJECTIVE To evaluate the effects of formulation technique of PLGA microspheres on the stability of Newcastle disease virus and to look for a proper protectant to stabilize Newcastle disease virus .

方法建立Silybin含量测定的高效液相色谱方法；以Silybin为模型药物，聚乳酸-聚乙醇酸（PLGA）为载体材料，结合快速膜乳化-溶剂萃取/挥发法制备SilybinPLGA微球。

Silybin as the model drug and PLGA as the carrier material , Silybin PLGA microspheres were prepared by premix membrane emulsification-solvent extraction / evaporation method .

采用直接法熔融缩聚制备了L乳酸和乙醇酸共聚物PLGA，并用锥板流变仪对PLGA的流变性能进行测试。

A direct copolymerisation process was used to prepare lactic acid and glycolic acid copolymer ( PLGA ) . Rheological behavior of PLGA melt was tested using cone and plate .

目的研究食管上皮细胞在聚乳酸-聚乙醇酸[poly（lactic-co-GlycolicAcid），PLGA]三维支架材料上的黏附和生长情况，探索利用组织工程技术构建组织工程食管的可行性。

Objective To verify adhesion and growth ability of canine esophageal epithelial cells ( EECs ) on the poly ( lactic-co-glycolic acid )( PLGA ), a three-dimensional biodegradable polymer scaffold , and to reconstruct the canine esophagus by the tissue engineering .

目的探讨联合应用兔骨髓基质干细胞（MSCs）、聚乙醇酸（PGA）支架材料和成骨诱导因子在旋转式细胞培养系统（RCCS）中构建组织工程化骨的可行性。

Objective To explored the possibility of construction of tissue engineered bone in the rotary cell culture system ( RCCS ) using marrow stromal stem cells ( MSCs ) with polyglycolic acid ( PGA ) and osteogenic inducing factors .