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Search results for enantiomers

Analytical Chemistry Oct 2, 2013

Toward understanding the dangers of the fake marijuana called 'Spice' or 'K2'

The harmful effects of increasingly popular designer cannabis products called "Spice" or "K2" have puzzled scientists for years, but now a group of researchers is reporting progress toward understanding what makes them so ...

Materials Science Aug 15, 2013

Chemists devise new way to prepare molecules for drug testing

(Âé¶¹ÒùÔº) —James Bond had his reasons for ordering his martinis "shaken, not stirred." Similarly, drug manufacturers need to make sure the molecules in a new drug are arranged in an exact manner, lest there be dire consequences. ...

Materials Science May 31, 2013

New method of producing stereoisomers developed

(Âé¶¹ÒùÔº) —A new study by chemists in Switzerland is likely to change the way many stereoisomer molecules are synthesized for industrial, agricultural, or medical uses.

Analytical Chemistry May 22, 2013

Detecting mirror molecules: New technique reliably tells left-handed from right-handed variant of a compound

Harvard physicists have developed a novel technique that can detect molecular variants in chemical mixtures – greatly simplifying a process that is one of the most important, though time-consuming, processes in analytical ...

Astronomy Apr 23, 2013

Universality of circular polarization in star- and planet-forming regions: Implications for the origin of homochirality

A research team with Jungmi KWON (GUAS/NAOJ) has performed deep imaging linear and circular polarimetry of the 'Cat's Paw Nebula' (NGC 6334) located in the constellation Scorpius, successfully detecting high degrees of circular ...

Biochemistry Dec 12, 2012

A second ascent of chemistry's Mt. Everest

In science's equivalent of ascending Mt. Everest, researchers are reporting success in one of the most difficult challenges in synthetic chemistry—a field in which scientists reproduce natural and other substances from ...

Materials Science Oct 10, 2012

New catalyst selectively generates amino acid precursors from cyanide at room temperature

Cyanide exposure can be lethal, but with careful handling, the molecule can be a very useful chemical building block. For example, from cyanide chemists can make life-essential amino acids that are in great demand as food ...

Materials Science Oct 3, 2012

Introduction of fluorine atoms into organic molecules could have applications for synthesis of pharmaceuticals

Despite its small size, the fluorine atom has had a vast impact on the pharmaceutical industry. More often than not, introducing fluorine to a drug molecule improves the drug's biological activity, earning it a reputation ...

Materials Science Aug 24, 2012

Efficient catalysis on chiral surfaces

(Âé¶¹ÒùÔº)—Practice is when everything works but nobody knows why. This light-hearted saying can equally be applied to chemical processes. "The process of so-called heterogeneous asymmetric catalysis is very easy to use ...

Biochemistry Aug 8, 2012

New substances 15,000 times more effective in destroying chemical warfare agents

In an advance that could be used in masks to protect against nerve gas, scientists are reporting development of proteins that are up to 15,000 times more effective than their natural counterpart in destroying chemical warfare ...

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