My watch list
my.bionity.com  
Login  
ENCYCLOPEDIA

Search Encyclopedia

bionity.com's Life Science Encyclopedia provides articles for 57,945 entries from biotechnology, pharmaceutics, medicine and biology as well as related scientific disciplines.

Definitions

Technetium

Technetium |- | Electron affinity || -53 kJ/mol Technetium () is the lightest chemical element with no stable isotope . It has atomic number 43 and is given the symbol Tc. The chemical properties of this silvery grey, crystalline transition metal are inte more

Rachel Carson

Rachel Carson Rachel Louise Carson (May 27 , 1907 – April 14 , 1964 ) was an American marine biologist and nature writer whose writings are often credited with launching the global environmental movement . Carson started her career as a biologist in the U.S. Bureau of Fisheries , and t more

Enzyme

Enzyme of the enzyme TIM , surrounded by the space-filling model of the protein. TIM is an extremely efficient enzyme involved in the process that converts sugar s to energy in the body. Enzymes are protein s that catalyze (i.e. accelerate ) chemical reaction s. In enzymatic reactions, the molec more

Coeliac disease

Coeliac disease Coeliac disease, also spelled celiac disease, is an autoimmune disorder of the small bowel that occurs in genetically predisposed people of all ages from middle infancy. Symptoms include chronic diarrhoea , failure to thrive (in children) and fatigue , but these may be absent a more

Convention on Psychotropic Substances

Convention on Psychotropic Substances The Convention on Psychotropic Substances is a United Nations treaty designed to control psychoactive drug s such as amphetamine s, barbiturate s, and psychedelics . During the 1960s, drug use increased greatly around the world, especially in Western nations. more

Your browser is not current. Microsoft Internet Explorer 6.0 does not support some functions on Chemie.DE