查询词典 in vitro

Methods Ast was isolated and cultured in vitro and its model of reactive gliosis was established by scratching the cultured astrocytes. The reactivity and rules of Ast to injury was studied by morphological changes, RT-PCR, immunocytochemistry, in situ hybridization and imaging analysis.

体外分离培养Ast，利用划伤的方法，建立Ast对损伤反应的实验模型，通过形态学观察、RT-PCR、免疫细胞化学、原位杂交及图像分析等方法，研究体外Ast对损伤的反应及规律。

Objective To investigate the role of tissue inhibitor of metalloproteinase-1 (TIMP-1) in apoptosis of rat glomerular mesangial cells in vitro.

目的 探讨正、反义组织金属蛋白酶抑制剂1（TIMP-1）对肾小球系膜细胞凋亡的影响。

AIM: To study the biocompatibility between two different biomaterials (collagen protein sponge and glutin sponge) and cultured hippocampusderived neural stem cells in vitro and to identify whether the materials could be used as scaffold biomaterials in peripheral neural tissue engineering.

目的：评价豚鼠海马神经干细胞与2种不同载体材料（胶原蛋白海绵和明胶海绵）的生物相容性，探讨它们作为周围神经组织工程载体材料的可行性。

AIM: To observe the effect of endothelin receptor antagonist (BQ123) on calcification in rat vascular smooth muscle cells in vitro. METHODS: Calcification of cultured rat VSMCs was produced by incubation with β-glycerophosphate.

目的：在离体钙化的血管平滑肌细胞上，观察内皮素受体阻断剂对血管平滑肌细胞钙化的影响，探讨内皮素促进细胞钙化的信号转导和分子机制。

The analysis of 99 Tcm-MIBI scinti-photo graphy may be a sensitive index in detecting P-gp expression in vitro.

(1)99Tc-MIBI转运分析可以作为体外检测P-gp表达的敏感指标，P-gp高水平表达的乳腺肿瘤组织其晚期相摄取比值及滞留指数明显低于无P-gp表达的肿瘤。

Anti-benzimidazole eggs of Haemonchus contortus were collected with saturated salt and sugar solutions,respectively. The egg hatch test in vitro of H.contortus was carried out in different concentrations of benzimidazole solutions for different preservative periods.

用饱和盐水、饱和糖水漂浮法获得抗苯并咪唑的捻转血矛线虫虫卵，在实验室进行了在不同浓度的苯并咪唑药液中保存不同时间的虫卵发育试验。

Methods In vitro CFU-GM culturing was used to study the effect of adult serum and CB serum on hemapoietic progenitor cells of normal bone mar row and children with AL in period of PCBS.

采用体外粒单细胞集落形成单位培养法，观察正常成人血清和脐血清，对正常造血细胞和急性白血病化疗后抑制期骨髓造血细胞增殖的影响。

The hematolysis rate and biologic immunocompetence of pns-5 were detected with hemolysis test and experiment of splenocyte proliferation respectively.results:the hd50 of pns-5 was bigger than 8 mg/ml and it significantly increased concanavalin a and lipopolysaccharide-stimulated splenocyte proliferation in vitro in a concentration of 0.1 μg/ml.

结果：pns-5溶血性较小，其hd50大于8 mg/ml；pns-5(0.1 μg/ml)显著促进了con a和lps诱导的小鼠脾淋巴细胞增殖反应。结论：pns-5安全性好，能促进细胞和体液免疫。

In this study, different nano-hydroxyapatite particles,HAP_1(25-60nm), HAP_4(the additives is heparin, 15-50nm), HAP_5(the additives is bovine serum albumin BSA, 20-80nm) were prepared by homogeneous precipitation and used heavy-gauge hydroxyapatite as comparison,we determined amount of heparin, sialic acid ,BSA adsorbed on HAP_1,HAP_2,HAP_3 by Crystal Violet assay, Bialsche method,Bradford method respectively and analyzed the binding mechanism by infrared spectrum;After taking HAP_1,HAP_2,HAP_4,HAP_5 and RBC to co-culture in vitro,we studied RBC hemolysis test and detected RBC hematolysis rate by erythrocyte osmotic fragility test;observing the changes of morphous and locomotion of cell after coacting HAP_1,HAP_2,HAP_4,HAP_5 and RBC by light microscope and inverted phase contrast microscope;observing HAP_1,HAP_2,HAP_4,HAP_5 effecting on Ultrastructure of RBC.

本文用均匀沉淀法制备了HAP_1(25-60nm)，HAP_4(添加剂肝素，15-50nm)，HAP_5(添加剂牛血清白蛋白BSA，20-80nm)等纳米粒子，并用大尺寸的羟基磷灰石HAP_2(470-520nm)，HAP_3(1906nm)作对照，分别利用结晶紫法、Bialsche法、Bradford法研究了肝素、唾液酸、血清白蛋白在HAP_1，HAP_2，HAP_3上的吸附量，用红外光谱分析其中的结合机理；在体外将HAP_1，HAP_2，HAP4_，HAP_5与红细胞共培养，进行了红细胞溶血试验的研究，并借助红细胞渗透脆性试验检测红细胞溶血率；运用普通光学显微镜和倒置相差显微镜观察了HAP_1，HAP_2，HAP_4，HAP_5与红细胞作用后细胞形态及运动的变化：透射电镜观察了HAP_1，HAP_2，HAP_4，HAP_5对红细胞超微结构的影响。

The biocompatibility of self-designed hydroxyapatite/poly rods was evaluated both in vitro and in vivo including Ames test, micronucleus test, acute and subacute systemic toxicity test, hemolysis test, hemopexis test and long-term muscle and bone implant test.

对自行研制的可吸收羟基磷灰石/聚DL-乳酸复合骨折内固定材料进行了一系列生物相容性实验，包括Ames实验、微核实验、急性和亚急性毒性实验、溶血实验、凝血试验和肌肉、骨内长期植入实验。

Fancy gold-plated dangling earrings with facetted White Opal crystals.

花式镀金悬垂耳环与facetted白欧泊水晶。

This essay chooses the study aim from biology teachers in middle school in Shi Jiazhuang which tells us that most of the middle school biology teachers in Shi Jiazhuang have the"burnout", lower successfulness, individualize.

本文选取石家庄市初中生物教师作为研究对象，运用问卷调查的方法对石家庄市初中生物教师职业倦怠的现状进行调查，调查结果发现，石家庄市初中生物教师这一群体普遍存在职业倦怠，情感枯竭程度偏高，成就感偏低，去个性化程度最为严重。