Polymer Scientists Engineer Better Remedies

Article Abstract:

Scientists discussed research on the use of polymers to create artificial tissues and organs at the Symposium on Biomedical Polymers for the 21st Century, in March, 2000, in Seattle. Polymers are large molecules that are made by linking together smaller molecules. One group has designed a contact lens that can be worn for a week with few adverse effects. Others are using polymers to deliver drugs inside the eye. Biodegradable polymers can be used as a skeleton on which living tissue can be grown. This can be used to create artificial heart valves.

Research, Usage, Polymers, Artificial organs

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Loss of Nerve: A Molecular Approach to Better Treatment of Chronic Pain

Article Abstract:

Researchers are working on ways to target nerve cells that transmit pain. They are using a natural process in nerve cells called receptor internalization. In this process, when a substance such as an antibody or a neurotransmitter binds to its receptor on the neuron's surface, both are taken up by the neuron. Researchers take advantage of this process by attaching toxins to substances that bind to nerve cell receptors. Substance P is one of these substances and is involved in pain transmission.

Care and treatment, Pain, Pain management

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Four Directions Summer Program Guides Native Americans Toward Medical Careers

Article Abstract:

The Four Directions Summer Program at Harvard Medical School for recruiting Native Americans as medical students is described. Begun in 1994, it has given 72 Native Americans a glimpse of opportunities in biomedicine and 90% are pursuing biomedical careers.

Recruiting, Curricula, Native Americans, Native North Americans, Harvard University. School of Medicine, Medical college applicants, Medical school applicants

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