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 (zĕn′ə-bī-ŏt′ĭk, zē′nə-)
Not a natural component of a particular organism or biological system. Used of chemical compounds.
A xenobiotic chemical, such as a pesticide.


(Chemistry) a chemical foreign to or not produced by an organism
(Chemistry) pertaining to a chemical compound foreign to or not produced by an organism


(ˌzɛn ə baɪˈɒt ɪk, -bi-, ˌzi nə-)

a chemical or substance that is foreign to an organism or biological system.
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References in periodicals archive ?
He is a member of many professional bodies; Fellow, West African Postgraduate College of Pharmacists, Member, Pharmaceutical Society of Nigeria (MPSN), Member, Pharmacists Council of Nigeria (PCN), and Member, International Society for the Study of Xenobiotics (ISSX) among others.
Among the topics are understanding resistance and induced responses of insects to xenobiotics and insecticides in the age of "omics" and systems biology, concepts and complexities of population genetics, resistance to pathogens and parasitic invertebrates, the role of landscapes in insect resistance management, a model for prediction and management, and integrated pest management and insect resistance management.
These phytochemicals are xenobiotics and are synthesized by tea plants such as Camellia sinensis and Camomilla recucita.
OBJECTIVE: We tested the utility of redox-sensitive green fluorescent protein (roGFP)-based redox sensors for monitoring real-time intracellular redox changes induced by xenobiotics in toxicological studies.
Xenobiotics were tested in aliquots of 50ml of culture, four concentrations were chosen: 10, 20, 40 and 80liM (the tests are repeated three times and results are expressed as the mean +/- the STDEV).
In phase I, enzymes (cytochrome P450 oxidases) catalyze new reactive or polar groups on compounds that range from substances created by the body's cells to dietary factors to xenobiotics.
Researchers from the US and Europe address the role of nutrition in cancer biology; the molecular action of bioactive food components and xenobiotics on cancer risk; the role of dietary components in cancer prevention and treatment, including macro-constituents, carotenoids, vitamins, minerals, fiber, fruits and vegetables, garlic, and herbs and spices; risks related to meats, fats, and alcohol; and nutrition education, with dietary recommendations that may reduce risk.
But this therapy will not be beneficial for other classes of xenobiotics, just as the treatment for other classes of xenobiotics would not be helpful in reducing heavy metal burdens.
More xenobiotic compounds including the most recently "fancied" nanoparticles continue to find their way into the environmental milieu, increasing the accessibility of other xenobiotics into cells and their permeation through various blood organ barriers (BOB).
He will speak at the Impact China IV Conference in Beijing, at the International Workshop on Mass Spectrometry and New Drug Development in Hangzhou, and at the International Society for the Study of Xenobiotics in Shanghai.
Cellular GGT is necessary to metabolize certain xenobiotics (1).
In general, labs reported continued pricing pressure and overcapacity as well as increased testing of xenobiotics, referring to the personal care products and pharmaceuticals found in natural waterways.