查询词典 Vesicles

The release property of small unilamellar vesicles coated with the copolymer was studied at 25℃ by using 5(6) carboxyfluorescein 5(6 CF as a water soluble marker.

以5（6）－羧基荧光素（5（6）－CF）为水溶性标记物，研究了共聚物包覆的小单层脂质体（smalunilamelarvesicles，SUV）在室温25℃时的释放行为。

To improve the stability of small unilamellar vesicles in vitro, the permeability of SUV from soybean phosphatidylcholine coated by collagen and chitosan was studied respectively by using 5(6)-Carboxyflourescein5(6-CF as a fluorescence probe.

为了提高小单层脂质体（SmalUnilamelarVesicles，SUV）的体外稳定性，以5（6）－羧基荧光素（5（6）－CF）为荧光探针，研究了脂质体被胶原蛋白和壳聚糖这两种天然生物大分子包覆后的通透性。

Therefore, we used physical mechanism trigger drug release from liposome. In this study, the small unilamellar vesicles liposome were encapsulated hydrophilic marker drug 5(6)-Carboxylfluorescein and prepared by the thin layer hydration and extrusion methods. Liposomal suspension were exposed to the magnetic field.

因此希望以物理方式驱动微脂粒药物释放，本研究以薄膜水合法与挤压法制造单层微胞微脂粒包覆水溶性药物5(6)-Carboxylfluorescein的萤光指示剂经由磁场照射，以粒径仪、界面电位仪与萤光仪发现微脂粒经由磁场照射后使得微脂粒形体改变，粒径和带电性明显变化、萤光药物释放量增加。

Preparation and exosyndrome of liposomal Gd-DTPA 1.1 Preparation small unilamellar vesicles were prepared by combining 0.92 g of distearoylphosphatidylcholinc with 23 mL of distilled watcr.

Gd-DTPA脂质体的制备和表征 1.1制备工艺精密称取一定量二硬脂酰磷脂酰胆碱乙醇胺溶于双蒸水中，置于恒温磁力搅拌器内，在69～72℃恒温条件下超声分散1小时，取一定量Gd-DTPA溶液、蒸馏水和无水乙醇与上述产物混合，获得半透明胶体状物，在室温下过夜，第二天在69～72℃恒温条件下水浴孵化1小时，同时用低流速氮气吹拂液体表面除去有机溶剂无水乙醇。

Large unilamellar vesicles were demonstrated by fluorescent TEM, negatively staining TEM, freeze fracture TEM, and quasi-elastic light scattering experiments.

应用荧光显微镜、电子显微镜(负染色制样和冰冻复型制样)、激光光散射等手段，证实了所得脂质体为球形单层大脂质体。

Methods n-Cetyl-l-thio-β-D-galactoside was synthesized by a series of reaction from galactose and incorporated into Small Unilamellar Vesicles which was prepared by sonication at the ratio for L-α-PC∶Chol∶L-α-PE as 7∶2∶1, with or without 10 mol%Cetyl-gal.

半乳糖经乙酰化、溴化、缩合、亲核取代反应制备半乳糖新糖脂质并与其他脂质制备脂质体，在二氯化锡还原作用下用99mTc标记脂质体，进行动物体内靶肝实验，用γ计数器检测各脏器放射性，计算摄取率。

Result: The result of electron micrography and the size distribution showed that the liposomes were similar to spherical small unilamellar vesicles.The mean diameter was(258.2±51.2) nm and the electric charge of surface is 19.0 mV.

结果：脂质体呈典型单室，近球型，大小相近，分散均匀，平均粒径为(258.2±51.2)nm，表面电荷19.0 mV。

Results Using different concentrations of 5fluorouracil to deal with A549 cells, with the increase in drug concentration and treatment time,cell survival rate decreased significantly;and low concentration of 5fluorouracil induced the cell spread and increased vacuolization within the cytoplasm, acridine orange staining showed an increase in acidic vesicles,high concentration made the cell round and cell apoptosis.

结果不同浓度的5氟尿嘧啶处理A549细胞，随着药物浓度的增加和处理时间的延长，细胞存活率明显下降；且低浓度使细胞呈铺展状态，细胞质内空泡增多，吖啶橙染色显示酸性膜泡增多，高浓度使细胞变圆，出现凋亡状态。

Blumwald E%Poole R J Na+/H+ antiport in isolated tonoplast vesicles from storage tissue of Beta vulgarius Plant Physiology , 1985,null

王宝山%赵可夫%邹琦作物耐盐机理研究进展及提高作物抗盐性的对策植物学通报， 1997，ZK

Overpression of DAP-kinase leads to cell death including membrane blabbing, cell rounding and the formation of autophagic vesicles.

当细胞移动时，部份DAPK会聚在细胞的前缘，调控细胞的收缩及运动。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。