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|Articles - June 2012|
|Tuesday, May 29, 2012|
BY CORY MIMMS
Surgeons sometimes leave things inside patients — needles, scissors, even scalpels. Those items easily show up on X-rays, allowing doctors to find and remove them. But not surgical sponges. They require extra precaution; most sponges are marked with barium, which is difficult to see on X-rays. Portland State University chemistry professor Andrea Goforth and her graduate assistant, Anna Brown, have developed a better way to tag sponges using bismuth. Denser than lead and nontoxic, bismuth nanoparticles are perfect X-ray deflectors, and by infusing them in silicone they can be stitched into surgical sponges. “The heavier the atoms the better they scatter X-rays,” Goforth says. These bismuth markers — bismarkers — show up bright white on X-rays, making them practically impossible to miss. The preliminary patent application was filed last June and Goforth now is seeking an industry partner for the next stage of development: manufacturing, marketing and selling. She isn't finished with her bismuth research, though. “My original concept was that these would be injectable contrast agents,” Goforth says. By modifying them to bind with certain types of cells and then injecting them into the bloodstream, the particles could be used to find tumors.
Friday, March 27, 2015
BY JACOB PALMER
Five years in the making, the Portland Mercado — the city’s first Latino public market — will celebrate its grand opening April 11. A $3.5 million public-private partnership spearheaded by Hacienda CDC, the market will house 15 to 20 businesses in the food, retail and service sectors. It has some big-name funders, including the Paul G. Allen Family Foundation and JPMorgan Chase. The project goals are equally ambitious: to improve cross-cultural understanding, alleviate poverty and spur community economic development.
Friday, February 20, 2015
BY JOE CORTRIGHT | OB CONTRIBUTOR
"Shipping containers to Portland is like waiting for a bus that travels once a day."
Monday, February 23, 2015
BY JESSICA RIDGWAY | OB CONTRIBUTOR
Live, Work, Play: Catching up with Chris Johnson.
Monday, February 09, 2015
BY MEGHAN NOLT
VIDEO: Gifford's Flowers brings family approach to PSU-area shop.
Thursday, February 12, 2015
BY JACOB PALMER | OB DIGITAL NEWS EDITOR
Examining the governor's rapid fall from grace in a "bizarre" and "unprecedented" saga.
Thursday, February 26, 2015
BY KIM MOORE | OB RESEARCH EDITOR
Employment in Oregon is almost back up to prerecession levels — and employers are having to work harder to entice talented staff to join their ranks. This year’s 100 Best Companies to Work For in Oregon project showcases the kind of quality workplaces that foster happy employees.
Friday, February 27, 2015
BY OB STAFF
Oregon Business held its 22nd annual 100 Best Companies to Work For in Oregon celebration Thursday night in the Oregon Convention Center.
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