查询词典 micronucleus

Objective To investigate genetic toxicity of three persistent organic pollutants,including aroclor1254,DDT and Toxaphene,using human derived hepatoma(HepG2)cells/in vitro micronucleus assay.

目的用人肝肿瘤细胞Hep G2/体外微核试验检测3种持久性有机污染物Aroclor1254、毒杀芬和滴滴涕的遗传毒性。

Methods To test the genetoxicity of the organic extract in tap water,pure water,defecated water and boiled water by single cell gel electrophoresis assay and micronucleus test.

传统的自来水处理工艺并不能有效的去除水中的有机物，反而由于氯化消毒增加了有机卤化物的生成，使其致突变性增强。

The use of common proportion of transgenic CryIA cotton seed powder in fish's feed does not induce the increase of micronucleus frequency obviously.

鱼类饲料中添加常规量的转CryIA基因抗虫棉棉籽粉不会诱发微核产生。

Methods lymphocytes in culture fluid were treated by supplementing different doses of trichlorfon , then the changes of micronucleus rates were observed .

用不同浓度的敌百虫溶液处理培养中的淋巴细胞，观察其微核率的变化，并用χ 2检验方法做显著性检验。

Methods Kunming Jimpy mice were gavaged azamethiphos by mouth. The dose of bone marrow micronucleus test was 320 mg/kg,160 mg/kg,80 mg/kg and 40 mg/kg, respectively. The dose for chromosome abbreviated test of didymus cell was 160 mg/kg,80 mg/kg and 40 mg/kg, respectively.

方法用昆明种小鼠经口灌胃染毒，骨髓微核实验的剂量分别为320、160、80、40mg/kg，睾丸细胞染色体畸变实验剂量为160、80、40mg/kg，分别取胸骨、睾丸组织，常规制片，镜下观察。

Bone marrow polychromatic erythrocyte micronucleus rates of jimpy mice fed with different dosage olaquindox was detected by the way of toxicology,and the number of red blood cells,white blood cells and granulofilocyte was mensurated after 30 days.

给小鼠灌喂不同剂量喹乙醇，按毒理学方法检测小鼠骨髓嗜多染红细胞微核率，并在饲养30d后测定血液中红细胞、白细胞、网织红细胞数。

The results indicate that the different concentrations of As2O3 can induce high frequency of micronucleus and chromosome aberration.Besides,it can accumulate the metaphases in mitosis efficiently and prevent the cells from continuing their cell cycle.

结果表明：不同浓度的As2O3在不同处理时间内均能诱发较高的微核率和染色体畸变率，并能有效地积累中期分裂相，阻止其进入后期与末期。

The results showed that the irradiation of mixed high-energy particle field inhibited mitoses and produced various chromosomal aberrations such as micronucleus, chromosome bridges, circular chromosomes and dissociative chromosomes in root tip cells of wheat with significant dose-effects.

混合粒子场与γ射线诱发的微核畸变率和染色体畸变率均存在明显的剂量效应，但混合粒子场的损伤效应明显高于γ射线。

BACKGROUND ＆ AIM: To study the inhibition of lycopene on the genetic damage induced by mutagens MATERIAL AND METHODS : In accordance with the " Procedures and Methods for Toxicological Assessment on Food Safety ", and the modified micronucleus test and Ames test were used.

背景与目的：研究番茄红素对突变剂诱导的遗传损伤的抑制作用。

Micronucleus of lymphocyte in peripheral blood from 92 stokers exposed to gas under low concentration for long time ane 74 healthy people unexposed to gas were examined.

本文对92例长期在低浓度煤气环境下工作的司炉工人与74例无毒物接触的健康人外周血淋巴细胞微核进行了测定。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。