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Showing posts with label SYNTHESIS. Show all posts
Showing posts with label SYNTHESIS. Show all posts

Friday 31 May 2013

Exploiting Structural Differences in Serotonin Receptors


Exploiting Structural Differences in Serotonin Receptors



Serotonin receptors present structural differences which can be used to design agonistic drugs devoid of side effects
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Saturday 12 May 2012

Whats new in Chemistry

READ ALL THIS AT
http://amcrasto.biz.ly/whats_new.html



Scientists discover chemistry of passion




Scientists say there is increase in the levels of hormones neutrophins and dopamine when cupid strikes.
LONDON, UNITED KINGDOM: Couples should not worry when the first flush of passion dims - scientists have identified the hormone changes which cause the switch from lust to cuddles. A team from the University of Pisa in Italy found the bodily chemistry which makes people sexually attractive to new partners lasts, at most, two years. When couples move into a “stable relationship” phase, other hormones take over, Chemistry World reports.



  




LOVE, actually is chemicals racing internally







Scientists say there is increase in levels of hormones neutrophins and dopamine when cupid strikes.
When couples fall in love, outwardly they experience dizziness, flushed face, sweaty palms and most prominent of all a wildly beating heart. But, internally, the feeling of love is due to chemicals racing around the brain and body.
The feelings, researchers found are due to dopamine, norepinephrine and phenylethylamine that human beings release. Dopamine is thought to be the “pleasure chemical,” producing a feeling of bliss. Norepinephrine is similar to adrenaline and produces the racing heart and excitement. Together these two chemicals produce elation, intense energy, sleeplessness, craving, loss of appetite and focused attention, discovered Helen Fisher, anthropologist at Rutgers University. “The human body releases the cocktail of love rapture only when certain conditions are met. And men more readily produce it than women, because of their more visual nature,” she added.



Wednesday 7 March 2012

WATER OXIDATIONS

WATER OXIDATIONS



Simple and Efficient Iridium(III)-Catalyzed Water Oxidations
The complex made simple:
 Simple and commercially available iridium precursors are tested for their ability to promote water oxidation. The activity values of these precursors towards cerium(IV)-driven oxygen generation from water are comparable with values reported for more complicated iridium-based systems. A turnover frequency of 1700 h−1 is achieved with IrCl3

  1. Dr. Nicolas Marquet, 
  2. Felix Gärtner, 
  3. Dr. Sebastian Losse, 
  4. Marga-Martina Pohl, 
  5. Dr. Henrik Junge, 
  6. Prof. Dr. Matthias Beller*
  7. Article first published online: 26 JUL 2011,DOI: 10.1002/cssc.201100217












SIMPLE CATALYS IS USED TO CARRY OU THE OXIDATIONS IN WATER

ChemSusChem

Volume 4Issue 11pages 1598–1600November 18, 2011