Researchers have developed a small, implantable device that allows medication to be administered in intermittent dosing patterns with precision and over a long period. The device releases the medication through a porous membrane that responds to a magnetic field switching on or off.
Scientists continue to be baffled by an illness that sufferers call multiple chemical sensitivity. While some doctors say MCS symptoms stem from exposure to ordinary chemicals and pollutants, such as pesticides, paint, smoke and perfumes, others say they are a manifestation of psychological stress. The lack of scientific evidence linking chemicals and MCS symptoms has discouraged major medical groups from recognizing the illness as a clinical disease.
Researchers say they have discovered that some drug compounds can kill tuberculosis-causing bacteria by inhibiting select mycobacterial proteasomes. The drugs -- oxathiazolone compounds -- neutralize the bacteria without affecting human proteasomes.
Chemtura is planning to shut down its chemicals plant in northeastern Indiana to save on costs. The household chemicals maker has filed for bankruptcy protection and told the court it expects to complete the plant closure within nine months.
Grand Valley State University in Michigan is using a grant from the National Science Foundation to develop a nanotechnology program. The two-course sequence will include nanotechnology fundamentals and advanced nanosystem engineering.