Researchers find new method to detect contaminant in heparin
November 20th, 2008 by Jennifer Walker-Journey
Researchers have come up with an easy and effective method to detect contaminates in heparin, according to the Times of the Internet. A research team led from the University of Michigan and led by Mark Meyerhoff uses potentiometric polyanion sensors to detect heparin in blood. These sensors also can be used to distinguish pure heparin from heparin contaminated with small quantities of oversulfated chondroitin sulfate.
This new method is easier and less expensive than analytical methods used previously, such as nuclear magnetic resonance and capillary electrophoresis. Meyerhoff and his team detailed the research in the journal of Analytical Chemistry.
Oversulfated chondroitin sulfate in batches of heparin manufactured in China were responsible for serious allergic reactions that earlier this year killed more than 80 Americans and made thousands more ill.
Heparin was only one of the many products made in China in the past several months was were found to be unsafe for humans and animals. As a result, the FDA vowed to place more than 60 food and drug regulators worldwide over the next year as opposed to sending staffers on individual assignments to inspect foreign facilities. The agency’s first office opened in Beijing Wednesday. Additional Chinese outposts will open in the next few days in Shanghi and Guangzhou.
Earlier this week, HHS Secretary Mike Leavitt and FDA Commissioner Andrew von Eschenbach joined China’s minister of health, Chen Zhu, in a workshop on food safety that focused on policy and government reforms, according to a CNN story about the opening of the Beijing office.
“The government should not just respond to the incident but find the root of it,” CNN quoted Chen in a news conference Wednesday in Beijing.
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