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New mechanism for nano damage?

By | November 5, 2009

Nanoparticles can damage DNA even in cells that are not directly exposed to them, according to an in vitro study published online today (November 5) in Nature Nanotechnology -- raising further questions about the safety of nanomaterials used in clinical therapies. Image: Wikimedia commons, Jerome Walker, Dennis Myts"DNA damage due to nanoparticles has been described for many types of nanoparticles, but that's done in a primary or direct sense," said linkurl:Andre Nel,;http://www.cnsi.ucla.edu/i

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Scientific song and dance

By | November 5, 2009

What started as a creative idea for a video contest about nanotechnology is now growing into a full-fledged science music video production team. Composed of four University of California, Berkley, students and one alumnus, linkurl:The Sounds of Science;http://thesoundsofscience.com/index.html is making a quite a splash with its Broadway-style musical numbers, which enliven the realities of the laboratory through song, dance, and puppetry. Glory Liu and her puppet studentsImage: The Sounds of S

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Genetic steps to adaptation

By | November 4, 2009

Researchers for the first time have tracked the specific genetic mutations -- occurring over just a few generations -- that allow bacteria to respond to environmental changes, they report online in Nature today (November 4). Image of Pseudomonas fluorescens Image: Courtesy of Hubertus Beaumont"We showed how evolution happens in real time," said linkurl:Hubertus Beaumont,;http://www.biomedexperts.com/Profile.bme/94433/Hubertus_J_E_Beaumont a biologist from Leiden University in the Netherlands

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3 Calif stem cell grants revoked

By | November 3, 2009

California's stem cell funding agency giveth and it taketh away: Just last week, the agency awarded more than $250 million to stem cell researchers -- the largest research grant round in its five-year history -- but it also terminated three grants awarded in a previous round due to slow progress earlier this year. Human embryonic stem cellsImage: Wikimedia commons, Nissim BenvenistyThe California Institute of Regenerative Medicine (CIRM) identified the underperforming projects by reviewing gr

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Malaria vaccine hits Phase III

By | November 3, 2009

The first-ever Phase III trial for a malaria vaccine has officially begun.

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One stop research shopping

By | November 3, 2009

Ever spent days combing the internet for that one reagent or cell line that could take your research to the next level --- to no avail? A new linkurl:effort,;http://www.ncrr.nih.gov/the_american_recovery_and_reinvestment_act/20091102.asp funded by a $15 million grant from the National Institutes of Health's National Center for Research Resources, aims to fix that by centralizing catalogs of reagents, cell and tissue banks, and model organism lines so that researchers can spend less time scouring

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Pioneering protein chemist dies

By | November 3, 2009

Mildred Cohn, a renowned chemist who battled sexual discrimination for much of her career, died last month (October 12) at age 96, succumbing to pneumonia at a hospital in Philadelphia. Combining chemistry, biology, and physics, Cohn opened up new avenues for interdisciplinary biology and helped found the emerging fields of biochemistry and biophysics. Image: Erica P. Johnson"Mildred was a pioneer in many ways," linkurl:Joshua Wand;http://www.med.upenn.edu/apps/faculty/index.php/g275/p1309 of

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Science foundation for Nigeria?

By | November 3, 2009

A four-year-old promise to create a $5 billion publically funded competitive granting agency in Nigeria -- which would be the second such agency in Africa -- was revived last month, but leading African scientists remain skeptical that the plan will ever get off the ground. Image: MikeBlyth, Wikimedia Commons "We were really hopeful in the beginning," said linkurl:Mohamed Hassan,;http://www.interacademycouncil.net/?id=10084 chairman of Nigeria's Presidential Advisory Committee for Science and

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Conflicted psychiatrist leaves Emory

By | November 2, 2009

The Emory University psychiatry researcher who failed to report hundreds of thousands of dollars in pharmaceutical company payouts while receiving millions of dollars in funding from the National Institutes of Health to study the company's anti-depressant drugs is leaving the university, according to the linkurl:__Atlanta Journal-Constitution__.;http://www.ajc.com/health/controversial-emory-researcher-leaving-179261.html?cxtype=rss_news_128746 linkurl:Charles Nemeroff,;http://www.psychiatry.emo

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Geron trial may resume next year

By | October 30, 2009

The Geron Corporation could be cleared to resume its stalled human embryonic stem cell (hESC)-trial for spinal cord injury in the third quarter of next year, linkurl:the company announced today;http://www.geron.com/media/pressview.aspx?id=1195 (October 30). Human embryonic stem cellsImage: Wikimedia commons, Nissim BenvenistyThe Phase I trial, which received clearance from the US Food and Drug Administration (FDA) in January to administer hESC-derived progenitors of neural support tissue into

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