查询词典 colorimetric

Methods The antimicrobial peptides of housefly larvae were induced largely by infection and injury, which were isolated and purified by trituration, centrifugalization and column chromatography. Then the antimicrobial peptides with anti-Toxoplasma activity were sieved by methyl thiazolyl tetrazolium colorimetric method and haemacytometry. The DNA contents of T.gondii tachyzoites were detected by flow cytometry.

通过损伤加感染的方法诱导家蝇幼虫大量表达抗菌肽，然后经过研磨、离心和层析等过程，分离纯化并筛选出抗弓形虫作用的抗菌肽，采用流式细胞术分析其对弓形虫速殖子DNA含量的影响。

objective to isolate and purify the antimicrobial peptides with anti-toxoplasma gondii activity isolated from the haemlymph of musca domestica larvae.methods the antimicrobial peptides of musca domestica larvae were induced by infection and injury were isolated and purified by trituration,centrifugalization and column chromatography.then the antimicrobial peptides with anti-toxoplasma activity were sieved by mtt colorimetric method and haemacytometry.results it was found that two antimicrobial peptides had anti-toxoplasma activity through resource s cationic column chromatography and superdex g75 gel column chromatography.conclusion the two antimicrobial peptides with anti-toxoplasma activity existing in the haemlymph of musca domestica larvae had different anti-toxoplasma effect.

作者单位：山西医科大学寄生虫教研室，太原 030001；化学生物学与分子工程教育部重点实验室山西大学生物技术研究所目的从家蝇幼虫血淋巴中分离纯化具有抗弓形虫作用的抗菌肽。方法通过损伤加感染的方法诱导家蝇幼虫大量表达抗菌肽，然后经过研磨、离心和层析等过程，将家蝇幼虫抗菌肽进行分离纯化，采用四甲基偶氮噻唑蓝比色法和血细胞计数法筛选对弓形虫速殖子有抑制作用的抗菌肽。结果经resource s阳离子柱和superdex g75凝胶柱层析后，筛选出2种对弓形虫速殖子有杀伤作用的抗菌肽。结论家蝇幼虫血淋巴中存在抗弓形虫作用的抗菌肽，而且不止一种，但其效果有所不同。

Vanillin colorimetric method is usually used to detect catechins content, but its accuracy has been questioned.

香草醛酸性试剂比色法是检测儿茶素含量的最常见方法，但其准确性及实用性一直受到质疑。

311 Is the first of a three-term laboratory subject sequence for chemistry majors. Experimental work emphasizes development of fundamental laboratory skills and techniques: volumetric and colorimetric analysis; nuclear magnetic resonance; preparation, purification, and characterization of chemical substances; and data analysis.

5.311课程是主修化学的学生们三个学期的实验课程中的第一门，也是基础的一门，实验室里的工作十分强调基础实验技能与技术的培养：容积计量分析与色度分析；核磁共振；物质制备；物质提纯；物质的化学性质；数据分析。

This colorimetric method is suitable for determining the xylan in the pre-extraction liquor from eucalyptus chips.

实验结果表明，该比色法用于测定桉木半纤维素预提取液中的戊聚糖是可行的。

Methods Rat embryo dermal fibroblasts were cultivated on regenerated silk fibroin films in vitro adherently. The effect of regenerated silk fibroin films on morph, activity and growth of cells by viable cell counts and MTT colorimetric assay was observed.

采用静置贴壁培养法在再生丝素膜上体外培养鼠胚真皮层成纤维细胞，并用活细胞计数法及MTT比色法观察再生丝素膜对细胞的形态、功能和生长的影响。

Methods: four male volunteers were recruited to live in a disabled submarine simulator which is close, dark and algid for 10 days. they were supplied 1.5 l water and one portion of saving life dry provision everyday. the body weight was detected before the experiment and on day 3, day 4, day 5 and day 10 after exposure. at the same time, venous blood taken suction from elbow was used to detect the level of blood glucose, which was centrifuged to take the upper serum to detect the level of ffa at low temperature by colorimetric.

4名男性受试人员在封闭、黑暗、寒冷的试验舱体中进行为期10 d的模拟失事潜艇环境实验，每人每天供水1.5 l和1盒救生压缩干粮，实验前和第3、4、5、10天出舱的晨起测定体质量，抽取肘部静脉血，测定血糖；低温离心留取上层血清，采用一次提取比色法测定游离脂肪酸。

The use of LEDbased portable device for the colorimetric determination of triterpenoid alcohol ketones in Alisma orientalis has been established.

建立了利用便携式小型光谱仪测定中药泽泻中三萜醇酮类化合物总量的比色测定方法。

The main reaction mechanisms are illustrated in determination of ammoniacal nitrogen by nessler's reagent colorimetric method, six common problems about the method are discussed and solution methods are summarized in this paper.

阐述了纳氏试剂比色法测定氨氮实验中涉及的各反应过程原理，对实验中常见的6个问题分别作了探讨，提出了解决办法。

Methods The extraction conditions with ultrasonic wave were studied and the contents of polysaceharides were determined by the anthrone - H2SO4 colorimetric method.

方法对超声波提取湖北地黄多糖的条件进行了研究并用蒽酮-硫酸法测定了湖北地黄各部分的多糖含量。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。