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First Murder By Propofol Reported By Leading Anesthesia Journal
Recent questions about the death of Michael Jackson have focused media attention on the commonly used intravenous anesthetic propofol. In the April 2009 issue of Anesthesia & Analgesia, the leading clinical journal for anesthesiologists, Robert R. Kirby, James M. Colaw and Michael M. Douglas reported on a 24-year-old woman whose 2005 death was attributed to propofol toxicity.
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Washington, D.C. Officials To Boost HIV Awareness Efforts
The Washington, D.C. HIV/AIDS Administration (HAA) will increase its HIV-related media efforts targeting those at risk for the virus amid a recent finding by the agency that 3% of the district"s residents are living with HIV/AIDS, the Washington Post reports. Mayor Adrian Fenty recently committed $500,000 annually for a five-year marketing campaign, Shannon Hader, director of HAA said. Advertising experts say that millions more would be needed in order for the agency to have an "effective" campaign, or that local media, billboard companies and the district"s Metro system need to provide more free advertising space, according to the Post. Next month HAA plans to announce a campaign targeting heterosexual couples that will encourage HIV testing (Fears, Washington Post, 6/2).
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New Imaging Technique: Toward Spinal Cord Regeneration?
The axon is a part of the neuron through which nerve impulses are transmitted, and at the end of which is located the synapse, which connects it to another neuron. In the event of a lesion, the axon is the component which must be regenerated in order to restore the connections between the different neurons and re-form the nerve.
Diagnostics

New Silver Nanoparticle Skin Gel For Healing Burns

Scientists in India are reporting successful laboratory tests of a new and potentially safer alternative to silver-based gels applied to the skin of burn patients to treat infections. With names like silver sulfadiazine and silver nitrate, these germ-fighters save lives and speed healing. The researchers describe gel composed of silver nanoparticles - each 1/50,000th the width of a human hair - that appears more effective than these traditional gels. Their study is scheduled for the Aug. 3 issue of ACS" Molecular Pharmaceutics, a bi-monthly journal. Kishore Paknikar and colleagues note that antimicrobial silver compounds have been used for decades on burn patients, whose damaged skin is highly vulnerable to bacterial infections. However, topical silver agents now in use can loose effectiveness in the body, cause skin discoloration, and damage cells. Drug-resistant bacteria can make these treatments less effective. The scientists demonstrated that their gel killed a broad range of harmful bacteria, including Pseudomonas aeruginosa, one of the most common causes of burn infections, as well as several drug-resistant microbes. The gel, which contains 30 times less silver than silver sulfadiazine, did not have any apparent toxic effects when applied to the healthy skin of test animals. "These results clearly indicate that silver nanoparticles could provide a safer alternative to conventional antimicrobial agents in the form of a topical antimicrobial formulation," the article states. Article: "Silver nanoparticles in therapeutics: development of an antimicrobial gel formulation for topical use" http://pubs.acs.org/stoken/presspac/presspac/full/10.1021/mp900056g Michael Woods American Chemical Society


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