Home Back Issues June 2012 Next: surgical safety

Next: surgical safety

| Print |  Email
Articles - June 2012
Tuesday, May 29, 2012

BY CORY MIMMS

0612 Next

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.

 

Comments   

 
Martha  Perez
0 #1 General Political ActivistMartha Perez 2012-06-12 19:15:52
The other day, I was taking a shower, and I could not help but observe the efficiency of my bath sponge's ability to absorb a lot of water. I would like to learn more about how large, industrial sized sponges, may be able to someday play an important role in flood control, and prevention. Thanks for doing this article!
Quote | Report to administrator
 

More Articles

A Taste of Heaven

September 2014
Tuesday, August 26, 2014
BY VIVIAN MCINERNY

Craft beer comes to Mount Angel.


Read more...

Gender Code

September 2014
Tuesday, August 26, 2014
BY COURTNEY SHERWOOD

Janice Levenhagen-Seeley reprograms tech.


Read more...

Interview: Dr. Mark Goulston

Contributed Blogs
Thursday, July 10, 2014
JustListenBY TOM COX | OB BLOGGER

Tom Cox interviews Dr. Mark Goulston, author of Just Listen, Discover the Secret to Getting Through to Absolutely Anyone.


Read more...

Oversight? Or gaming the system?

News
Monday, July 14, 2014
AmazonBY VIVIAN MCINERNY | OB BLOGGER

Some people think Amazon’s winking eye logo is starting to look like a hoodwink.


Read more...

The Alchemist

September 2014
Tuesday, August 26, 2014
BY LINDA BAKER

David Howitt explains why Portland consumer brands like Stumptown and Voodoo Doughnuts are taking the world by storm.


Read more...

A Good Leap Forward

September 2014
Wednesday, August 27, 2014
BY AMY MILSHTEIN

Agriculture businesses ramp up to meet international demand as workforce and succession challenges loom.


Read more...

Podcast: Interview with Pete Friedes

Contributed Blogs
Wednesday, August 27, 2014

082714-thumb friedesbookTom Cox interviews Pete Friedes, author of "The 2R Manager," about becoming a Best Boss.


Read more...
Oregon Business magazinetitle-sponsored-links-02
SPONSORED LINKS