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Science News for September 25, 2001


Smallest silicon particles light way for new sensors, materials

Purdue University researchers have developed a method to stabilize the surface of porous silicon, enabling its use in creating new types of drug-delivery systems and biological sensors. By functionalizing the surface with specific chemicals, scientists can tailor the material's response to specific chemical environments or cues.

SourcePurdue University·JournalJournal of the American Chemical Society·DateSep 25, 2001

Researchers examine the use of antiretroviral therapy among injection drug users with HIV infection: Study suggests addiction treatment and health care contribute to HAART enrollment

A study by Johns Hopkins Bloomberg School of Public Health found that nearly one third of eligible injection drug users never received antiretroviral treatment. Methadone addiction treatment, health insurance, and regular access to care were associated with increased HAART use among men.

Treating frail and elderly patients.

The University of Michigan School of Nursing is introducing a new concentration in care for frail and elderly patients, addressing the complex needs of this vulnerable population. Students will explore the holistic effects of frailty on physical, psychological, and social aspects of quality of life.

UCSF study finds shortage of California dentists in rural, poor, minority communities

A recent study by UCSF researchers reveals a significant shortage of dentists in California's rural and underserved communities. The study found that two-thirds of communities without dentists are rural and at least 20% of California communities face a dentist shortage, exacerbating oral health disparities.

SourceUniversity of California - San Francisco·JournalJournal of Public Health Dentistry·DateSep 25, 2001