toxicity

Vitamin

...e 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 . About names The usage of letters and numbers as vitamin names has been diminishing for the past few d...

Extinction

...w competitor species. Habitat degradation through toxicity can kill off a species very rapidly, by killing al...m. It can also occur over longer periods at lower toxicity levels by affecting life span, reproductive capacity, or competitiveness. DDT played such a role ...

Apoptosis

...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 from damage to the genome in the cell nucleus, is cell suicide triggered by the nuclear enzyme poli(AD...

Antibiotic

...-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 penicillin . French physician Ernest Duchesne noted in his 1896 thesis that certain Penicillium molds...

Alcohol

...ly than gasoline or diesel . Because of its low toxicity and ability to dissolve non-polar substances, etha...ly, an effective treatment to prevent formaldehyde toxicity after methanol ingestion is to administer ethanol. This will bind to alcohol dehydrogenase, preventi...