As part of a worldwide project to dramatically curtail the spread of AIDS, researchers have developed a vaginal gel designed to liquefy and release an antiviral drug when exposed to semen. Creators of the "molecular condom," still in very early testing, say the temperature- and pH-sensitive polymer could prove a more efficient way to deliver an anti-HIV drug than normal gels and creams.
"What we hope is that by attacking the virus in semen, we can inactivate it before it has any chance of permeating the tissue," says bioengineer Patrick Kiser of the University of Utah.
"What we hope is that by attacking the virus in semen, we can inactivate it before it has any chance of permeating the tissue," says bioengineer Patrick Kiser of the University of Utah.
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