生物样品

Part I: Characterization of the stability and biocompatibility of PLGA conduits.1 Artificial nerve conduits were successfully fabricated using two different copolymer ratios of PLGA(85:15 and 50:50)(lactide:glycolide).2 Degradation of PLGA(85:15) and PLGA(50:50) conduits were examined in vitro for 12 weeks in phosphate buffered saline at 37℃, pH 7.4 and in vivo for up to 8 weeks following implantation into the rat dorsal muscle.

结果显示：①体内外降解条件下，PLGA(50：50)管吸水率、失重率及生物降解率显著高于PLGA(85：15)管；②两种材料样品体内生物降解率显著高于体外降解率；③扫描电镜观察显示，随降解时间延长，材料样品表现为特征性的虫蚀样破坏并进行性加重，以PLGA（50：50）管尤为明显。

Experiments were performed using polypeptide as analyte and 2,5-dihydroxybenzoic acid and sinapic acid as matrices.

以2，5-二羟基苯甲酸和芥子酸为基质，对多肽生物样品进行了实验研究。

The recoveries of ketamine spiked in human serum and urine were between 94% and 102%.

氯胺酮生物样品的加标回收率为94%~102%。

The high-performance liquid chromatography with UV detection was developed for quantifying the concentration of DM in intestine perfusing solution .

DM浓度在0.1～100μg/ml范围内呈线性关系，相关系数大于0.9943，定量限约为1ng，各生物样品中的DM和TMPH的提取回收率均在90％以上，DM的日内、日间RSD均小于7％，方法准确可靠、方便快捷、灵敏度高、专属性强，很好地满足了本文中的各项分析要求。

As for PCR testing of biological samples from abductee experiences he indicated, You might imagine that I thought of that myself.

至于从绑架者身上获取生物样品并进行类同PCR的检测，有此经历的他表示，你可以想像我也想到了这点。

To establish a method for extracting and determining diazepam in blood.

生物样品中毒物分析是临床检验和法医检验的常规任务。

Methods:(1) Dissoluble PGN and CpG DNA were immobilized onto the surface of biotin cuvette for establishing target. Another effective tracking approach was established by immobilizing Escherichia lipid A F583 onto the surface of Non-derivatised cuvett. The biosensor technology was applied to screen anti-inflammatory TCM targeting on three key molecules.(2) The active compositions were isolated by AB-8 macroreticular resin from lycium bark. After the activities of compositions were evaluated, the most effective compositions was confirmed. In vitro, the affinities of different concentrations composition E binding with PGN, CpG DNA and lipid A were measured separately. The effect of composition E on vigor of RAW264.7 cells were tested by MTT and CCK-8, and its inhibition on TNF-α, which was released from RAW264.7 cells induced by PGN, CpG DNA and LPS, was also tested by ELISA. In vivo, murine sepsis models were made by intravenously heat-killed E.coli and heat-killed S.aureus, then protection of composition E on mice sepsis model were observed.

(1)将PGN及CpG DNA包被于生物素样品池，将lipid A包被于非衍生样品池，分别建立以PGN、CpG DNA及lipid A为靶点的技术平台，对114种抗炎中药水提物进行筛选、评价其活性物质含量，并评估出针对上述三种病原分子均具有较高结合活性的中药；(2)利用生物传感器跟踪检测技术、大孔吸附树脂分离技术，从地骨皮中定向分离与PGN、CpG DNA及lipid A均具有较高亲和力的活性组分；在体外实验中，测定不同浓度活性组分与PGN、CpG DNA及lipid A亲和力；MTT法及CCK-8法检测活性组分对RAW264.7细胞活力的影响；ELISA法检测活性组分对PGN(2μg/ml)、CpG DNA(10μg/ml)及LPS(100ng/ml)刺激小鼠RAW264.7细胞分泌TNF-α的抑制作用；在体内实验中，采用尾静脉注射致死剂量热灭活大肠杆菌和热灭活金黄色葡萄球菌，建立细菌脓毒症小鼠模型，观察活性组分对脓毒症模型小鼠的保护作用。

Objective The stability of ketamine in biological samples was studied under different storage temperature and time.

目的 研究不同温度和时间条件保存时生物样品中氯胺酮的稳定性。

Planer was formed in 1973 as a manufacturing company incorporating new ideas and spin off technology from a sister consulting company - G.V.

英国Planer从1952年起研究和开发生物样品冷冻保存方法，是世界上最早研制及生产程序冷冻仪的专业公司。

The elasticity of soft sample,especially biomolecules,is one of the most attractive issues in the field of nano measurement with atomic force microscopy.

利用原子力显微镜技术研究柔软样品特别是生物分子的力学性质是当前生物物理的热点之一，但在柔软样品的压弹性方面的研究结果远离实际情况。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐