Navigation Links
Antibacterial agent used in common soaps found in increasing amounts in freshwater lakes
Date:1/22/2013

rs need to know that they may be using products with triclosan. People should read product labels to understand what they are buying."

Arnold said this research can also help chemical manufacturers understand some of the potential long-term impacts from triclosan on the environment.

The researchers studied the sediment of eight lakes of various size throughout Minnesota with varying amounts of treated wastewater input. They gathered sediment cores about one meter long from each of the lakes. After slicing the cores into several segments about two to four centimeters in thickness, they worked with researchers at the Science Museum of Minnesota's St. Croix Watershed Research Station to date the sediment. Some sediment segments dated back more than 100 years. Professor Arnold's group and researchers from Pace Analytical Services in Minneapolis used high tech methods to analyze the chemicals contained in the sediments over time.

The research found that sediment collected from large lakes with many wastewater sources had increased concentrations of triclosan, chlorinated triclosan derivatives, and triclosan-derived dioxins since the patent of triclosan in 1964. In small-scale lakes with a single wastewater source, the trends were directly attributed to increased triclosan use, local improvements in treatment, and changes in wastewater disinfection since the 1960s. When UV disinfection technology replaced chlorine in one of the wastewater treatment plants, the presence of chlorinated triclosan derivatives in the sediments decreased.

In the lake with no wastewater input, no triclosan or chlorinated triclosan derivatives were detected. Overall, concentrations of triclosan, chlorinated triclosan derivatives, and their dioxins were higher in small lakes, reflecting a greater degree of wastewater impact.

"The results were similar to other recent studies worldwide, but this was the first broad study that looked at several dif
'/>"/>

Contact: Rhonda Zurn
rzurn@umn.edu
612-626-7959
University of Minnesota
Source:Eurekalert  

Page: 1 2 3

Related biology news :

1. Study quantifies the size of holes antibacterials create in cell walls to kill bacteria
2. Lady beetle diet influences its effectiveness as biocontrol agent
3. Preventive detention for oxidizing agents
4. Developing second skin military fabric to repel chemical and biological agents
5. Production of FRP components without release agents
6. Novel non-antibiotic agents against MRSA and common strep infections
7. Project MICREAgents: Self-assembling smart microscopic reagents to pioneer pourable electronics
8. Boston subway system to be used to test new sensors for biological agents
9. Paints and coatings containing bactericidal agent nanoparticles combat marine fouling
10. Understanding the RNAi Reagents Market Overlap with Drug Discovery and Therapeutic Development is Critical for Pharmaceutical Leaders
11. First oral agent to quell invasive macular degeneration, restore lost vision
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Antibacterial agent used in common soaps found in increasing amounts in freshwater lakes
(Date:12/19/2014)... Inc., the leading personal genetics company, today announced the publication ... of individuals from across the United States ... hundred years ago, the United States ... continents. This study illuminates how American history and the ongoing ...
(Date:12/17/2014)... , Dec. 16, 2014 Valencell, a leader ... PerformTek biometric technology to industry leaders such as Intel, ... clinically validated, biometric wearable products. These products will be ... Las Vegas . ...
(Date:12/11/2014)... DUBLIN , Dec. 09, 2014 Research and Markets ... ( http://www.researchandmarkets.com/research/9ql3kr/biometrics_market ) has announced the addition ... report to their offering. One major ... multimodal biometric systems. Multimodal biometric systems utilize more than ...
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 4Valencell PerformTek Biometrics Power the Most Accurate Wearables at CES 2015 2Biometrics Market in India 2015-2019: Key Vendors are 3M Cogent, NEC, Safran and Suprema 2
... 2008The 2008 American Society for Microbiology (ASM) Eli Lilly ... K. Newman, Wilson Professor of Biology and Geobiology, Massachusetts ... unusual merit in microbiology or immunology by an individual ... Dr. Newman is a pioneering young scientist who has ...
... of the future may need to be managed as much ... goal, researchers say in a new federal report but ... the insatiable, often conflicting demands for this precious resource. ... both urban and agricultural demands for water continue to increase, ...
... Society for Microbiology (ASM) William A. Hinton ... Arturo Casadevall, Chair, Department of Microbiology and ... University, New York. This award recognizes outstanding ... underrepresented minorities in microbiology. Dr. Casadevall ...
Cached Biology News:American Society for Microbiology honors Dianne K. Newman 2New report: Greatest value of forests is sustainable water supply 2New report: Greatest value of forests is sustainable water supply 3American Society for Microbiology honors Arturo Casadevall 2
(Date:1/22/2015)... Cambridge Semantics, the leading provider of smart ... 2014 was a record-breaking year across the board for the ... Smart Data Platform and our Smart Data solutions, our customers ... data which led to record growth for the company in ...
(Date:1/22/2015)... zFlo Motion , a US leader in biomechanics ... from a new partner. STT-Systems has developed an ... years, with offerings in the optical-motion capture, 3D scanning, and ... measurement unit), iSen, is opening eyes around the world. With ...
(Date:1/22/2015)... NEW BRUNSWICK , Nueva Jersey , 22 ... Award for Biomedical Research abre hoy su llamada ... las personas cuya investigación científica ha hecho, o tiene ... de la salud humana. Las nominaciones se aceptarán hasta ...
(Date:12/25/2014)... December 25, 2014 The report “Service ... Product Type & Provider Type - Global Advancements, Worldwide ... with an in-depth analysis and forecasting of revenues. ... through 221 pages and in-depth TOC on “Service Quality ...
Breaking Biology Technology:Cambridge Semantics Announces Record Results for 2014 23D Motion Capture Just Got Easy 2El Dr. Paul Janssen Award for Biomedical Research emite su llamada a los nominados para 2015 2El Dr. Paul Janssen Award for Biomedical Research emite su llamada a los nominados para 2015 3El Dr. Paul Janssen Award for Biomedical Research emite su llamada a los nominados para 2015 4Service Quality Management Market worth $2.1 Billion & Telco Customer Experience Management Market worth $2.3 Billion by 2019 – New Report by MarketsandMarkets 2Service Quality Management Market worth $2.1 Billion & Telco Customer Experience Management Market worth $2.3 Billion by 2019 – New Report by MarketsandMarkets 3Service Quality Management Market worth $2.1 Billion & Telco Customer Experience Management Market worth $2.3 Billion by 2019 – New Report by MarketsandMarkets 4
... pictured here in 2001 in his Primate Center lab. Source: ... anatomy professor James Thomson attempted to separate hype ... cell research, which in some cases uses tissue from human ... 200 at the UW Memorial Union as part of the ...
... offer from one of the employers youve been tangoing with for ... it as getting an interview but squared. It means they really ... are wanted (not to mention the prospect of getting a real ... judgment. , ,Taking a job is not like going on a ...
... it means someone or something from the U.S.A. But the ... jets. Signs in D.C. announce American University. American is well ... of trademarks in the U.S., it is not uncommon for a ... of businesses in different industries. , ,American is also a keyword ...
Cached Biology Technology:UW stem cell guru outlines scientific and political future 2UW stem cell guru outlines scientific and political future 3Ten red flags in your Midwest technology offer letter 2Ten red flags in your Midwest technology offer letter 3Ten red flags in your Midwest technology offer letter 4Ten red flags in your Midwest technology offer letter 5Thats my trademark 2Thats my trademark 3Thats my trademark 4