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Artificial enzyme, environmental oestrogen, squid's teeth protein, laser technology, human proteins,

Artificial enzyme imitates the natural mechanism of liver cells

Scientists at Johannes Gutenberg University Mainz have discovered that molybdenum trioxide nanoparticles oxidize sulfite to sulfate in liver cells in analogy to the enzyme sulfite oxidase... Read more

New technique to detect environmental levels of oestrogen

Victoria University of Wellington researchers have developed a new technique that can detect environmental levels of oestrogen at the equivalent of detecting one pinch of salt in an olympic-sized swimming pool... Read more

Squid’s teeth may find use in reconstructive surgery

Tentacles of squid are loaded with hundreds of suction cups, or suckers, and each sucker has a ring of razor-sharp “teeth.” The protein present in the teeth will some day form the basis for a new generation of material for reconstructive surgery... Read more

19,000 protein producing genes in humans, finds new study

In a new research, scientists have found the number of protein generating genes in humans to be 19,000 - 1,700 fewer than the most recent annotation and well below the initial estimations of 100,000 genes... Read more

New laser technology to identify chemical hazards

A portable laser device is being developed at Heriot-Watt that can instantly identify chemical hazards, increasing the safety of emergency services and military personnel... Read more

world of chemicals - Manufacturing of sodium carbonate by solvay process

via IFTTT"Solvay Process majorly used in sodium carbonate industrial production was discovered by belgian industrial chemist Ernest Solvay which uses three readily available materials salt brine, limestone, ammonia

Chemical properties - Nitrogen symbol, electronic configuration, density

Nitrogen

Description:

Nitrogen is a inert diatomic gas at standard conditions. Many industrially important compounds, such as ammonia, nitric acid, organic nitrates, and cyanides, contain nitrogen. It occurs in all living organisms, and the nitrogen cycle describes movement of the element from air into the biosphere and organic compounds, then back into the atmosphere. It is a constituent element of amino acids and thus of proteins and nucleic acids. It resides in the chemical structure of almost all neurotransmitters, and is a defining component of alkaloids, biological molecules produced by many organisms.

Chemical Properties.

Appearance	Colorless gas
Atomic Number	7
Atomic Weight	14.0067 g/mol
Block	p
Boiling Point	-196 °C
CAS Number	7727-37-9
Class	2.2
Crystal Structure	Hexagonal
Density	1.25 g/cm3
EINECS Number	231-783-9
Electron Configuration	1s2 2s2 2p3
Group	15
Ionization Energy	1402.3 kJ/mol
Melting Point	-210 °C
Oxidation State	5,4,3,2,1,-1,-2,-3
PG	NA
Period	2
RTECS Number	QW9700000
Symbol	N

Nitrogen producers/suppliers - http://www.worldofchemicals.com/chemicals/manufacturers/fl/nitrogen.html