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Polymer passage takes time: New theory aids researchers studying DNA, protein transportThursday, July 29, 2010 @ 3:22PM(PhysOrg.com) -- Polymer strands wriggle their way through nanometer-sized pores in a membrane to get from here to there and do their jobs. New theoretical research by Rice University scientists quantifies precisely how long the journey takes.

Polymer passage takes timeThursday, July 29, 2010 @ 3:01PM( Rice University ) Rice University researchers have created a theoretical method to calculate the time it takes long-chain polymers to pass through nano-sized pores in membranes. The researchers studied how membrane pore geometry affects the translocation of long polymers. They say the new method, which appears this month in the Journal of Chemical Physics, works for pores of any geometry ...

New Hudson video: RAGBRAI riders pushed on to Waterloo stopThursday, July 29, 2010 @ 9:12AMHUDSON (6:30 p.m.) - Everything is winding down in Hudson.The music was shut off around 6 p.m. and outside beer gardens like the one brother and sister Luke and Christy Abben were running were being stopped and torn down.

Super-sizing Cancer Drug Minimizes Side EffectsThursday, July 29, 2010 @ 7:58AMResearchers design a new version of cisplatin that spares the kidneys, letting doctors use higher doses.One of the first chemotherapy drugs given to patients diagnosed with cancer — especially lung, ovarian or breast cancer — is cisplatin, a platinum-containing compound that gums up tumor cells’ DNA. Cisplatin does a good job of killing those tumor cells, but it can also seriously damage the ...

Polymer Passage Takes TimeThursday, July 29, 2010 @ 7:20AMPolymer strands wriggle their way through nanometer-sized pores in a membrane to get from here to there and do their jobs. New theoretical research by Rice University scientists quantifies precisely how long the journey takes. That's a good thing to know for scientists studying the transport of RNA, DNA and proteins -- all of which count as polymers -- or those who are developing membranes for ...

Show to display works of quilt artWednesday, July 28, 2010 @ 8:00PMFrom beginners to seasoned veterans, Edmond’s quilters will have their finest on display for the next two days during the Edmond Quilt Festival. Quilts being shown are not the quick and simple ones that might be made for everyday use, but instead, the quilts on display are intricate works of art.   More than 50 quilts are on display at the Hamilton Field House on the University of Central ...

For Mexicans, Could the Future Hold Long Hair, Love Beads, Peace Signs and Brown Rice?Wednesday, July 28, 2010 @ 4:27PMDear Mexican: As an old gringo who calls himself a gringo (not a gabacho), I study Mexican culture and ask myself, "Where have I seen this before?" The answer invariably is: 1950s America, that's where. Current Mexican culture in the United States is about 50 years behind current American cult...

Brave model stares down ex who shot herWednesday, July 28, 2010 @ 2:33PMWOMAN faces violent ex-boyfriend as he pleads guilty to trying to kill her for ending their relationship.

Holly stares down man who shot herWednesday, July 28, 2010 @ 9:00AMIT took all of her courage, but Holly Graham faced the violent ex who shot her twice in cold blood.