Thanks to a single-molecule imaging technique developed by a University of Illinois professor, researchers have revealed the mechanisms of an important DNA-regulating enzyme.
Cell & Microbiology
Aug 20, 2010
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A new approach to building an "artificial nose" -- using fluorescent compounds and DNA -- could accelerate the use of sniffing sensors into the realm of mass production and widespread use, say Stanford chemists. If their ...
Analytical Chemistry
Aug 20, 2010
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(PhysOrg.com) -- Law professor David H. Kaye shares his insights into how the the use of DNA evidence has impacted our legal system. While its use has far-reaching implications, Kaye points out that "DNA is only a tool.
Other
Jul 30, 2010
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(PhysOrg.com) -- In a single day, a solitary grad student at a lab bench can produce more simple logic circuits than the world's entire output of silicon chips in a month.
Bio & Medicine
May 11, 2010
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One of the biggest questions facing scientists today is how life began. How did non-living molecules come together in that primordial ooze to form the polymers of life? Scientists at the Georgia Institute of Technology have ...
Cell & Microbiology
Mar 8, 2010
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(PhysOrg.com) -- Dundee scientists studying how plants control the time at which they flower have uncovered an unusual form of gene control that could have implications for both plant and medical science.
Cell & Microbiology
Feb 23, 2010
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(PhysOrg.com) -- Whether used to clinch a guilty verdict or predict the end of a "CSI" episode, DNA evidence has given millions of people a sense of certainty -- but the outcomes of using DNA evidence have often been far ...
Biotechnology
Feb 22, 2010
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(PhysOrg.com) -- Important molecular machines routinely crash into one another while plying their trades on DNA. New research shows that the enzymes that copy DNA before cell division, called replisomes, are the kings of ...
Cell & Microbiology
Feb 10, 2010
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Scientists have shown that cells' DNA-reading machinery can skim through certain kinds of damaged DNA without skipping any letters in the genetic "text." The studies, performed in bacteria, suggest a new mechanism that can ...
Cell & Microbiology
Feb 9, 2010
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Scientists at Cold Spring Harbor Laboratory (CSHL) have discovered how a protein long known to be an essential activator of DNA replication actually triggers this process in cells.
Cell & Microbiology
Jan 7, 2010
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