HOME >> BIOLOGY >> NEWS
Anti-bacterial additive found in Maryland streams

A toxic chemical used in hand soaps, cleaners and other personal care products to kill germs is deposited and remains in the environment long after the products are used, according to researchers at the Johns Hopkins Bloomberg School of Public Health. The chemical--3,4,4'-trichlorocarbanilide (triclocarban), marketed under the trademark TCCTM--is a non-agricultural polychlorinated phenyl urea pesticide that has been widely used for decades to kill bacteria. The researchers were among the first to detect concentrations of triclocarban in rivers and influent of wastewater treatment facilities. In some instances, they detected concentrations of triclocarban in waterways at levels 20 fold higher than previously reported. The study furnishes the first peer-reviewed environmental data of triclocarban contamination in U.S. water resources. It is published in the online edition of Environmental Science & Technology.

"Our study shows that environmental contamination with triclocarban is widespread but greatly underreported because conventional monitoring techniques cannot detect it," said the study's lead author Rolf U. Halden, PhD, PE, assistant professor of the School's Department of Environmental Health Sciences and founding member of its Center for Water and Health. "We had to specifically develop a new method, termed liquid chromatography electrospray ionization mass spectrometry (LC/ESI/MS), to detect triclocarban in water. Using this new method, we found the disinfectant in all Maryland streams we examined. Now the big question is what are the ecological and human health consequences of triclocarban in the environment? From the chemical structure, one would expect the compound to concentrate in fish and bio-accumulate in the food chain, but at this point we can only speculate," said Dr. Halden. He added that more research is needed to determine whether the environmental contamination discovered translates into human exposure and any corresponding lo
'"/>

Contact: Kenna Lowe
paffairs@jhsph.edu
410-955-6878
Johns Hopkins University Bloomberg School of Public Health
18-Aug-2004


Page: 1 2

Related biology news :

1. Formula additives boost small childrens intelligence in study
2. Researchers find two metabolites of gasoline additives in humans
3. Computers use Darwinian model to evolve fuel additives
4. New signs of life found at the Poles
5. Key cell-death step found
6. European common frog found to use novel mating strategy
7. Byproduct of water-disinfection process found to be highly toxic
8. Genuine stem cells found in skin might treat hair loss, wounds
9. Flame retardants found on supermarket shelves
10. Anti-cancer compound in vegetables found to block late-stage breast-cancer cell growth
11. Genetic clues found for common congenital brain disorder

Post Your Comments:
*Name:
*Comment:
*Email:


(Date:11/7/2019)... ... 2019 , ... R3 Stem Cell is now offering its comprehensive Online ... code to use during checkout is FIFTYOFF and applies to both the one month ... regenerative therapies with over 12,000 successful stem cell procedures performed nationwide. A couple years ...
(Date:11/5/2019)... ... November 05, 2019 , ... ... for drugs, biologics, gene therapies, and consumer health products, today announced it will ... Sofia, Barcelona, Spain on Nov. 12 – 14, 2019. , On Wednesday, Nov. ...
(Date:10/30/2019)... ... October 29, 2019 , ... LGC Maine ... ATELLICA® analyzers, Order Numbers 701sa & 704sa. The kits, in a human-urine matrix, ... UUN. , Each VALIDATE® kit, liquid, ready-to-use, and prepared using the CLSI EP06-A ...
Breaking Biology News(10 mins):
(Date:11/6/2019)... , ... November 06, 2019 , ... ... through off-the-record collaboration and dialogue, today announces its East/West CEO conference ... in San Francisco. , Kicking off the week of the J.P. ...
(Date:11/5/2019)... , ... November 05, 2019 , ... ... announced it has received CE Mark for its Fusion Bx 2.0 prostate fusion ... and user-friendly interface, the Fusion Bx 2.0 will give urologists across Europe the ...
(Date:11/2/2019)... TORONTO (PRWEB) , ... October 31, 2019 , ... ... are not always used to communicating with each other: study managers, principal investigators, ... cause misunderstandings if a party is not informed of the latest data, potentially ...
(Date:11/2/2019)... ... October 31, 2019 , ... drug360 graph, ... pioneer tellic. drug360 brings tellic’s expertise in biomedical language processing and machine ... quickly uncover relationships between genes, diseases, variants, phenotypes, and other biomedical entities. ...
Breaking Biology Technology:
Cached News: