News tagged with chemical

Related topics: environmental protection agency · environmental health perspectives · breast cancer · bpa · molecules

Mapping the routes to drug resistance in cancer

When a freeway shuts down because of an accident or construction, drivers find another road to take them where they're going. Likewise, when a targeted therapy blocks a pathway that enables tumors to grow, the cells usually ...

Apr 11, 2016
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The unreliability of Chinese traditional medicines

Chinese medicines are manufactured and distributed all over the world. Many people perceive them as natural, even benign and with few side effects, but regulation of human medicines fluctuates widely in different countries. ...

Mar 23, 2016
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Predicting potential pharma side effects

A computer program that can predict whether or not a given pharmaceutical will have worrying side effects has been developed by researchers in the USA. Md Jamiul Jahid and Jianhua Ruan of the Department of Computer Science, ...

Mar 08, 2016
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Chemical reaction

A chemical reaction is a process that always results in the interconversion of chemical substances. The substance or substances initially involved in a chemical reaction are called reactants. Chemical reactions are usually characterized by a chemical change, and they yield one or more products, which usually have properties different from the reactants. Classically, chemical reactions encompass changes that strictly involve the motion of electrons in the forming and breaking of chemical bonds, although the general concept of a chemical reaction, in particular the notion of a chemical equation, is applicable to transformations of elementary particles, as well as nuclear reactions. Different chemical reactions are used in combination in chemical synthesis in order to get a desired product. In biochemistry, series of chemical reactions catalyzed by enzymes form metabolic pathways, by which syntheses and decompositions ordinarily impossible in conditions within a cell are performed.

This text uses material from Wikipedia, licensed under CC BY-SA

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