May 30, 2006
Posted in Uncategorized at 12:00 am by David Bradley -- Click to comment
The highly unique crystal structure of nanotubes constructed from cyclic peptides is revealed this month by Japanese researchers in the journal Organic Biomolecular Chemistry. The descendents of these novel nanotubes could find a role in future molecular electronic devices, according to the team, who allude to the high macrodipole moment of their materials.
Shunsaku Kimura and colleagues at Kyoto University, have built on the work of ETH’s Dieter Seebach and Wisconsin’s …
May 29, 2006
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Interest in alternative solvents to replace volatile organic compounds is on the increase, so improved understanding of the properties of these alternatives is needed. One class of solvents researchers are keen to learn more about are the room temperature ionic liquids (RTILs). Researchers have commonly used absorption or fluorescence to study solvation properties. But now scientists in Japan, have carried out a Raman spectroscopic study of a series …
May 28, 2006
Posted in Uncategorized at 3:03 pm by David Bradley -- Click to comment
The drug Cesamet (nabilone), a derivative of tetrahydrocannabinol, was “re-approved” for the clinical market this week for use in treating the side-effects of cancer chemotherapy, including nausea and vomiting. Genetic Engineering News reports that Valeant Pharmaceuticals International (NYSE:VRX) announced that the US Food and Drug Administration (FDA) has given marketing approval for Cesamet (CII) (nabilone) oral capsules. The drug interacts with the CB1 cannabinoid receptor found throughout the nervous system, its interaction with …
Posted in Uncategorized at 12:00 am by David Bradley -- Click to comment
Air-assisted solvent extraction (AASX) process is an important new technique for the extraction of valuable metals such as copper, nickel, cobalt and uranium, as well as wastewater treatment where metal concentrations are typically low.
Now, a Canadian research team has discovered that it is the bubbles that play a critical role in providing a high solvent-specific surface area and ease of phase separation. Now, the team has used layer interferometry (in the UV-vis region) to measure …
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