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toxicity in Biological Definition

Alcohol

... 6 Physical and chemical properties 7 toxicity 8 Chemistry of alcohols 8.1 ... than gasoline or diesel . Because of its low toxicity and ability to dissolve non-polar substances, ... the #Chemistry of alcohols section below. toxicity Alcohols often have an odor described as ...

Colchicine

... 2.1 Biological function 2.2 Colchicine as medicine 2.3 toxicity 2.4 Laboratory use 3 External links History The ... cancer , as the dose required would lead to intolerable side-effects. toxicity Poisoning resembles intoxication with arsenic : symptoms start 2 to 5 ...

Extinction

... resources or against new competitor species. Habitat degradation through toxicity can kill off a species very rapidly, by killing all living members through ... or sterilizing them. It can also occur over longer periods at lower toxicity levels by affecting life span, reproductive capacity, or competitiveness. ...

Antibiotic

... by Bacillus pyocyaneus, retarded the growth of other bacteria in situ and was toxic to many disease-causing bacteria. Unfortunately, pyocyanase's own toxicity and unstable character prevented its use as an effective, safe antibiotic within the human body. The first effective antibiotic discovered was ...

Apoptosis

... cervical cancer . Response to stress or DNA damage Stress conditions (such as starvation) as well as damage to the cell's DNA resulting from toxicity or exposure to ionizing radiation, such as ultraviolet or X-rays, can induce a cell to begin an apoptotic process. A fascinating example, resulting ...

Vitamin

... a deficiency condition, while Vitamin B 1 stores may only last a couple of weeks. Fat-soluble vitamins may be stored in the body and can cause toxicity when taken in excess. Water-soluble vitamins are not stored in the body, with the exception of Vitamin B 12 , which is stored in the liver . ...
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(Date:7/11/2014)... Ume University, Sweden, have explored two different ways ... sequence leading to the formation of oxygen molecules ... in the scientific journal Nature Communications . ... day synthetic catalysts for water oxidation, which are ... the direct storage of solar energy in fuels ...
(Date:7/11/2014)... of mesenchymal stem cells can stimulate neurogenesis in the ... disease (AD) and improve tissue and function injury under ... on the therapeutic effect of adipose-derived stem cells (ADSCs) ... on oxidative injury and neurogenesis in the brain of ... of Life Sciences, Tsinghua University, China transplanted ADSCs into ...
Breaking Biology News(10 mins):A new genome editing method brings the possibility of gene therapies closer to reality 2Molecular snapshots of oxygen formation in photosynthesis 2
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Breaking Medicine News(10 mins):Health News:Power Electronics Market Estimated to Reach $36.86 Billion by 2020 at CAGR of 7.74% - New Report by MarketsandMarkets 2Health News:Power Electronics Market Estimated to Reach $36.86 Billion by 2020 at CAGR of 7.74% - New Report by MarketsandMarkets 3Health News:Power Electronics Market Estimated to Reach $36.86 Billion by 2020 at CAGR of 7.74% - New Report by MarketsandMarkets 4Health News:Power Electronics Market Estimated to Reach $36.86 Billion by 2020 at CAGR of 7.74% - New Report by MarketsandMarkets 5Health News:Americas Transcatheter Heart Valves Market 2020 Forecasts in New Research Report at LifeScienceIndustryResearch.com 2Health News:Americas Transcatheter Heart Valves Market 2020 Forecasts in New Research Report at LifeScienceIndustryResearch.com 3Health News:Americas Transcatheter Heart Valves Market 2020 Forecasts in New Research Report at LifeScienceIndustryResearch.com 4Health News:Cataract Surgery a Plus for Someone With Dementia, Study Says 2Health News:Widowhood May Delay Dementia in Some Seniors, Study Finds 2Health News:Widowhood May Delay Dementia in Some Seniors, Study Finds 3Health News:T.E.N. Accepting Nominations for the 2014 Information Security Executive® North America Awards 2Health News:T.E.N. Accepting Nominations for the 2014 Information Security Executive® North America Awards 3
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