致癌劑 的英文怎麼說
中文拼音 [zhìáijì]
致癌劑
英文
carcinogen-
Much more is known about chemicals and cancer today than just 20 years ago, yet uncertainty about the risk of borderline carcinogens continues to hamper decisions.
今天人們對化學藥劑和癌癥的了解已比20年前增加了很多。可是，由於對致癌物的危險界限仍搞不清楚，這就妨礙了作出決定。Proposal on strictly limiting use of carcinogenic or strong virose organic solvents as mobile phase in test of drugs
關于嚴格限制項目檢驗中使用致癌或強毒性有機溶劑作為展開劑的建議Monofunctional alkylating agent n - methyl - n ' - nitro - n - nitrosoguanidine ( mnng ) is a widely spread environmental mutagen and carcinogen that targets dna and proteins to generate adducts. among the adducts, o6 - alkyl guanine is the predominant mutagenic lesion because of its mispairing properties, which can eventually lead to chromosomal aberrations, point mutations, and cell death. this lesion also appears to be involved in tumor initiation, particularly in gastric carcinogenesis
單功能烷化劑n -甲基- n -硝基- n -亞硝基胍（ mnng ）是一種在環境中廣泛存在的化學誘變劑和致癌劑，它能和dna及蛋白質等生物大分子形成加合物（ adduct ） ，其引起的與突變有關的主要dna損傷類型是o ~ 6 -甲基鳥嘌呤，這種損傷與腫瘤尤其是胃癌的發生密切相關。The mixed solvent consists of solvent naphtha, decalin, and petroleum ether in a certain proportion, which was used to synthesize 3 - sulfo p - anisidine by using p - anisidine as raw material
摘要用溶劑汽油、萘烷、石油醚按一定比例復配成混合型溶劑，以對茴香胺為原料，用該溶劑合成了3 -磺酸基對茴香胺，產品中不含致癌物。It is, however, the second function of gsh ? that of detoxification of chemical pollutants, carcinogens and ultraviolet radiation ? that may well be of greater concern to medical science today, because of the ever - increasing demand on gsh as the major detoxifying agent
然而，谷胱甘肽的第二種功能解除化學污染物質、致癌物質及紫外光輻射的毒害卻因為對其作為主要解毒劑的不斷增加的需求，而使谷胱甘肽受到當今醫學更大的關注。The main concern is the genetic effects due to irradiation of this organ and the probability is proportional to the absorbed dose
在致癌方面，生殖腺對輻射的敏感性較低，主要的考慮是遺傳效應，發生率與劑量成正比。The probability of cancer induction in this organ is comparatively low. the main concern is the genetic effects due to irradiation of this organ and the probability is proportional to the absorbed dose
在致癌方面，生殖腺對輻射的敏感性較低，主要的考慮是遺傳效應，發生率與劑量成正比。Conclusion : the method can be applyed to detect the sudan hong in food
結論：本方法可用於食品中致癌染色劑蘇丹紅1號的分析測定。Objective : to set up amethod to detect the carcinogen coloring agent sudan hong in food by high performance liquid chromatography ( hplc )
摘要目的：建立食品中致癌染色劑蘇丹紅1號的高效液相色譜定量測定方法。Therefore, it is important to study the profiles of gene expression, which will help understand the global cellular stress responses to chemical carcinogens, and further elucidate the mechanisms of nontargeted mutagenesis
所以，從整體上研究烷化劑作用后細胞基因表達譜改變，對于了解化學致癌物誘發的哺乳動物細胞應激反應的全貌和揭示非定標性突變的發生機制具有非常重要的意義。In our laboratory, a unique mutation detection system using a shuttle vector plasmid has been established to demonstrate that a low concentration of mnng ( 0. 2 m ) can induce nontargeted mutation in mammalian cells : the mammalian cells were exposed to 0. 2m mnng for 2. 5h, then a shuttle plasmid pz189 carrying supf trna gene was transfected into cells after 24h culture. we found a 5 - fold higher mutation frequency of the plasmid replicated in pretreated cells than the spontaneous mutation frequency of the plasmid replicated in control cells. this kind of mutation did not occur immediately after mnng exposure
我們實驗室曾用一特殊的突變檢測系統，直接證明dna損傷劑可在哺乳動物細胞誘發非定標性突變：首先用低濃度（ 0 . 2 m ）的短壽烷化劑mnng （半壽期為1 . 1hr ）處理細胞2 . 5h后，繼續培養24h ，將重組有用作突變檢測的靶基因supftrna基因的穿梭質粒pz189轉入細胞復制，發現在未受致癌物直接攻擊的穿梭質粒中有較自發突變率高5倍以上的靶基因突變。Worried about insecticides, pesticides, food additives, carcinogens
擔心殺蟲劑，致癌物質，食物添加劑所帶來的副作用The us national cancer institute says on its website that the main chemical in stevioside can be converted in a laboratory into a substance that alters genes. further study is needed to determine whether the sweetener can cause cancer, it says
美國全國癌癥研究會在其網站上指出，甜葉菊甙的主要化學成分在實驗室可以被轉化為能改變基因的物質，而要確定這種甜味劑能否導致癌癥還需進一步研究。The us national cancer institute says on its website that the main chemical in stevioside can be converted in a laboratory into a substance that alters genes. further study is needed to determine whether the sweetener can cause cancer it says
美國全國癌癥研究會在其網站上指出，甜葉菊甙的主要化學成分在實驗室可以被轉化為能改變基因的物質，而要確定這種甜味劑能否導致癌癥還需進一步研究。Ironically, people who fear they may get cancer from pesticides may be at greater risk from cancers and heart disease by reducing their consumption of fruits and vegetables
諷刺的是，這些害怕他們可能由殺蟲劑罹癌的人，反而可能因減少水果和蔬菜的食用量而致癌或罹患心臟病。In addition to the cases of fake medicines connected to mr zheng ' s trial, china has witnessed a series of product safety scares in recent years including a cancer - causing dye used to colour egg yolks, fake milk powder that resulted in the deaths of several babies, and pork that contained banned additives
除了鄭筱萸案中涉及的假藥事件外，中國近年來還出現了一系列產品安全恐慌事件，比如用一種致癌染料讓蛋黃更紅、導致多名嬰兒死亡的假奶粉事件，以及含有違禁添加劑的豬肉被曝光等。Our aim was to investigate the effect of carcinogen mms on dna and telomerase activity of s. cerevisiae s288c and provide some scientific foundation for the relation between telomerase and cancer
本研究旨在觀察致癌劑mms對釀酒酵母s288c細胞dna損傷反應以及對端粒酶活性的影響，為端粒酶與惡性腫瘤的關系提供科學依據。This " could be due to nonessential, potentially harmful trace elements contained in zinc supplements, such as cadmium, a known carcinogen, " the researchers said
研究人員說，這可能歸因於存在於鋅補充劑中的非必需的潛在有害微量元素，例如致癌物質鎘。Consider this list of chinese products detained by the fda just in the last month : frozen catfish tainted with illegal veterinary drugs, fresh ginger polluted with pesticides, melon seeds contaminated with a cancer - causing toxin and filthy dried dates
以下是fda僅上月阻止入境的中國食品名單：不符合規定的獸藥污染的冷凍鯰魚，殺蟲劑污染的鮮姜，致癌毒素污染的瓜種不潔的干棗。The banned food colouring sudan 1, a carcinogen, has been discovered in batches of roast chicken wings and chicken burgers on sale at kfc fast food outlets in china
肯德基中國分店所銷售的烤雞翅和雞肉漢堡包被發現含有禁用食物染色劑蘇丹紅一號。此種染色劑中含有致癌物質。分享友人