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Tag: "window" at biology news

Medical molecules designed to respond to visible light that can penetrate tissue

...rough, then you have seen light in the therapeutic window ?that magic wavelength that is not absorbed or reflected away by tissue. Scientists believe that they can use light at that wavelength to signal manmade molecules to release drugs at disease sites in the body. Such possibilities will be discussed in...

HIV-1 spread through six transmission lines in the UK

...S reported in 1982 were probably infected within a window of 10 years prior to that time, the currently circulating strains may not represent the first HIV-1 lineages within the UK . If earlier strains existed they may have been unsuccessful in sustaining transmission to the present, although the absence of...

Artifical cornea lets woman blind 20 years see

...riginal. "The cornea is usually just like a clear window in the eye for people to see through, but sometimes the cornea becomes opacified and people can no longer see," said Natalie Afshari, M.D., an ophthalmologist specializing in cornea and refractive care at Duke University Eye Center and one of the few...

New Insights Into HIV Immunity Suggest Alternative Approach to Vaccines

...se being vaccinated," Haynes said. "We now have a window into how to study HIV vaccines from the host side of the problem," he said. Collaborators on the study include Judith Fleming, William St. Clair, Richard Scearce, Kelly Plonk, Herman Staats, Thomas Ortel, Hua-Xin Liao and Munir Alam of Duke; Herman ...

Wisconsin scientists grow critical nerve cells

...re each step has different conditions and a strict window of time," says Zhang. "Otherwise, it just won't work." To differentiate into a functional spinal motor neuron, the stem cells advanced through a series of mini-stages, each requiring a unique growing medium and precise timing. To start, the Wisconsi...

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