Navigation Links
Using live fish, new tool a sentinel for environmental contamination
Date:8/13/2008

WEST LAFAYETTE, Ind. - Researchers have harnessed the sensitivity of days-old fish embryos to create a tool capable of detecting a range of harmful chemicals.

By measuring rates of oxygen use in developing fish, which are sensitive to contaminants and stressful conditions, the technology could reveal the presence of minute levels of toxic substances before they cause more obvious and substantial harm. It could be used as an early warning system against environmental contamination or even biological weapons, said Purdue University researcher Marshall Porterfield, an associate professor of agricultural and biological engineering.

Respiration, the process wherein animals and other organisms burn oxygen to produce energy, is often the first of a fish's bodily functions affected by contaminants. The technology uses fiber optics to quickly monitor this activity and produce results within minutes, Porterfield said.

"Say you are exposed to the common cold virus," he said. "Before symptoms develop and you become aware of the bug's presence, it has already begun to attack your cells. Similarly, fish and other organisms are affected by contaminants before behavioral changes appear. Our technology detects heretofore undetectable changes to act as an early warning system."

In a study published online last week in the journal Environmental Science and Technology, the system detected the presence of several common pollutants such as the widely-used herbicide atrazine - even at levels near or below those that the U.S. Environmental Protection Agency deems acceptable for drinking water.

"This means the technology could not only help monitor environmental quality but may be used to enforce important water quality standards," said Marisol Sepulveda, lead author and assistant professor of forestry and natural resources at Purdue.

Testing also registered noticeable changes in the respiratory activity of fish embry
'/>"/>

Contact: Douglas M. Main
dmain@purdue.edu
765-496-2050
Purdue University
Source:Eurekalert  

Page: 1 2 3

Related biology news :

1. Miscanthus can meet US biofuels goal using less land than corn or switchgrass
2. Study reveals air pollution is causing widespread and serious impacts to ecosystems
3. FSU researcher using computers to hone cancer-fighting strategies
4. Climate change causing significant shift in composition of coastal fish communities
5. Reforestation using exotic plants can disturb the fertility of tropical soils
6. UC Davis stem researchers demonstrate safety of gene therapy using adult stem cells
7. Using ground-penetrating radar to observe hidden underground water processes
8. Key to using local resources for biomass may include waste
9. A screening strategy using zebrafish targets genes that protect against hearing loss
10. The art of using science to inform ecosystem restoration in Puget Sound
11. Using DNA, scientists hunt for the roots of the modern potato
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Using live fish, new tool a sentinel for environmental contamination
(Date:12/19/2014)... Calif. , Dec. 18, 2014  23andMe, Inc., ... of a study that pinpoints fine-scale differences in genetic ... States . Since immigrants first arrived ... United States has served as a meeting ... how American history and the ongoing mixing of peoples ...
(Date:12/17/2014)... 15, 2014 Research and Markets ... the "Samsung Galaxy S5 - Home Button ... their offering. http://photos.prnewswire.com/prnh/20130307/600769 ... sensing technology than the iPhone 5S, Samsung introduces ... its product. The Galaxy S5 home ...
(Date:12/17/2014)...  HITLAB SM announced today its completion ... confirm its adherence to current U.S. Food and ... to conduct regulated smart device and smart phone ... safety and research quality. "HITLAB is ... delivery with innovative technology," said Laura Pugliese ...
Breaking Biology News(10 mins):23andMe Study Sketches Genetic Portrait of the United States 223andMe Study Sketches Genetic Portrait of the United States 323andMe Study Sketches Genetic Portrait of the United States 4Samsung Galaxy S5 - Home Button Synaptics Fingerprint Sensor Technology Analysis 2HITLAB Completes GCP Audit for FDA Smart Device & App Compliance 2
... infectious question about eating at restaurants: How clean are ... found that even when they washed dishes in cooler-than-recommended ... levels accepted in the Food and Drug Administration's Food ... milk—can be safe havens for bacteria when dried onto ...
... What influence does the variation in estrogen level ... Using functional Magnetic Resonance Imaging, Jean-Claude Dreher, a ... 1), in collaboration with an American team from ... directed by Karen Berman, has identified, for the ...
... patients who received an new intravenous adult stem cell ... such as cardiac arrhythmias, and had significant improvements in ... received a placebo, according to six-month Phase I study ... in Intervention: i2Summit in New Orleans on March 25. ...
Cached Biology News:Manual dishwashing study digs up dirt on dish cleanliness 2Manual dishwashing study digs up dirt on dish cleanliness 3The influence of the menstrual cycle on the female brain 2The influence of the menstrual cycle on the female brain 3The influence of the menstrual cycle on the female brain 4Stem cell therapy shows promise in regenerating damaged muscle in heart attack patients 2
(Date:12/24/2014)... -- China Biologic Products, Inc. (NASDAQ: CBPO, "China ... plasma-based biopharmaceutical company in China ... Taibang Biological Products Co. Ltd., has received Good ... and Drug Administration (the "CFDA") for its new ... the Company,s public filings, the CFDA inspected this ...
(Date:12/24/2014)... -- PharmaBoardroom,s new report, , Healthcare ... for free download , digs deep into this vibrant ... the sector today. One area where ... developing a homegrown pharmaceutical manufacturing base, even if the government,s ... way off. A cursory comparison with neighboring Morocco ...
(Date:12/24/2014)... Fla. , Dec. 23, 2014  Rock Creek ... that it has filed a Clinical Trial Application (CTA) ... Healthcare products Regulatory Agency (MHRA) seeking regulatory approval to ... lead molecule, Anatabine Citrate. Contingent on the ... conduct a Phase I trial to assess the safety, ...
(Date:12/22/2014)... Brussels (PRWEB) December 22, 2014 The ... the global leader of technical training across the life ... Clinical Data Management (SCDM) to provide the organization's ... certification programs —providing access to the more than 350 ... SCDM members with 10% off when registering for a ...
Breaking Biology Technology:China Biologic Receives GMP Certification for New Coagulation Factor Facility 2China Biologic Receives GMP Certification for New Coagulation Factor Facility 3PharmaBoardroom Releases New Algeria Pharmaceuticals Report 2PharmaBoardroom Releases New Algeria Pharmaceuticals Report 3Rock Creek Pharmaceuticals Files Clinical Trial Application in the UK for Clinical Trials of Anatabine Citrate Formulations 2Rock Creek Pharmaceuticals Files Clinical Trial Application in the UK for Clinical Trials of Anatabine Citrate Formulations 3CfPIE Announces Partnership with the Society for Clinical Data Management 2CfPIE Announces Partnership with the Society for Clinical Data Management 3
... 25 Inverness Medical,Innovations, Inc. (Amex: IMA ... products for the consumer and professional markets, announced,today ... Global Healthcare,Unplugged Conference being held April 30 - ... Florida. Ron Zwanziger, Chief Executive Officer, will,attend. His ...
... 25 Abbott,s broad,portfolio of businesses and expanding ... product pipeline provides a,foundation for continued growth as ... Chief Executive Officer Miles D.,White told shareholders today ... an outstanding year for Abbott across all of ...
... -- China Yingxia,International, Inc. (OTC Bulletin Board: ... provider in the nutraceutical industry engaged in ... food,products, supplements, and personal care products in ... that it has formally completed the,acquisition of ...
Cached Biology Technology:Abbott Annual Meeting Highlights Outstanding 2007 Results, International Growth and Near-Term Pipeline 2Abbott Annual Meeting Highlights Outstanding 2007 Results, International Growth and Near-Term Pipeline 3Abbott Annual Meeting Highlights Outstanding 2007 Results, International Growth and Near-Term Pipeline 4China Yingxia International, Inc. Acquires Grocery Chain and Online Distribution Network 2China Yingxia International, Inc. Acquires Grocery Chain and Online Distribution Network 3
Request Info...
Ultra-sensitive, non-radioactive measurement of COX-I and COX-II activity...
Recombinant Ovine (Sheep) Growth Hormone, Ultra Pure...
Mouse Granzyme D MAb (Clone 190617)...
Biology Products: