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chemeurope.com's Encyclopedia of Chemistry provides articles for 64,557 entries from chemistry, pharmaceutics and material sciences as well as related scientific disciplines.

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Trade and use of saffron (大阪府), Kansai , Honshū , Japan . Saffron has been used as a seasoning , fragrance , dye , and medicine for more than 3,000 years.. The world's most expensive spice by weight, saffron consists of stigmas plucked from the saffron crocus (Crocus sativus). The resulting more

DNA repair

DNA repair DNA repair refers to a collection of processes by which a cell identifies and corrects damage to the DNA molecules that encode its genome . In human cells, both normal metabolic activities and environmental factors such as UV light can cause DNA damage, resulting in as many as 1 mil more

Uranium

Uranium Uranium () is a white/black metal lic chemical element in the actinide series of the periodic table that has the symbol U and atomic number 92. It has 92 proton s and electron s, 6 of them valence electron s. It can have between 141 and 146 neutron s, with 143 and 146 in its most co more

RNA interference

RNA interference trims double stranded RNA, to form small interfering RNA or microRNA . These processed RNAs are incorporated into the RNA-induced silencing complex (RISC), which targets messenger RNA to prevent translation . RNA interference (RNAi) is a mechanism that inhibits gene expression more

Black pepper

Black pepper Black pepper (Piper nigrum) is a flowering vine in the family Piperaceae , cultivated for its fruit , which is usually dried and used as a spice and seasoning . The same fruit is also used to produce white pepper, red/pink pepper, and green pepper. Black pepper is native to South more

Chemical elements