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Science News for November 4, 2004


Tiny paddle oscillator senses the mass of a virus

Researchers at Cornell University have created a device that can detect as few as six viruses using a tiny paddle oscillator. The device, which uses the natural resonant frequency of the paddles to sense changes in mass, has the potential to differentiate between various pathogens and toxic organic chemicals.

SourceCornell University·JournalApplied Physics Letters·DateNov 4, 2004

The effect of osteoporosis drugs on osteoarthritis of the knee

A nationwide study found that women taking osteoporosis medications had fewer bone abnormalities and less knee pain associated with osteoarthritis. The research suggests that these medications, primarily alendronate and estrogen, may offer protective benefits for the development of knee OA.

SourceWiley·JournalArthritis & Rheumatism·DateNov 4, 2004

The anti-arthritic effects of bee venom

Researchers found that melittin, a compound in bee venom, blocks the expression of inflammatory genes in synovial cells. This inhibition can lead to reduced tissue swelling and osteophyte formation, suggesting a potential treatment for RA patients.

SourceWiley·JournalArthritis & Rheumatism·DateNov 4, 2004