My watch list
my.chemeurope.com  
Login  
ENCYCLOPEDIA

Search Encyclopedia

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

Definitions

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

History of saffron

History of saffron fresco from the excavation of Akrotiri on the Aegean island of Santorini . The history of saffron in human cultivation and use reaches back more than 3,000 years. and spans many cultures, continents, and civilizations. Saffron , a spice derived from the dried stigmas of t more

Equipartition theorem

Equipartition theorem peptide . The jittery motion is random and complex, and the energy of any particular atom can fluctuate wildly. Nevertheless, the equipartition theorem allows the average kinetic energy of each atom to be computed, as well as the average potential energies of many vibrationa more

Elias Ashmole

Elias Ashmole , c. 1681, below. Elias Ashmole (23 May 1617 – 18 May 1692 ), the celebrated English antiquary , was a politician , officer of arms , student of astrology and alchemy , and an early speculative Freemason . He supported the royalist side during the English Civil War , and at the more

Helium

Helium :For other uses of this term, see Helium (disambiguation) . Helium (He) is a colorless, odorless, tasteless, non-toxic, inert monatomic chemical element that heads the noble gas series in the periodic table and whose atomic number is 2. Its boiling and melting points are the lowest more

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