Navigation Links
The worm that turned on heavy metal
Date:12/6/2010

Researchers in South America have studied the viability of using earthworms to process hazardous material containing high concentrations of heavy metal for the bioremediation of old industrial sites, landfill and other potentially hazardous areas. They provide details of a possible approach in the International Journal of Global Environmental Issues this month.

After pollinating insects, worms are probably the gardener's best friend and they have been encouraged to process garden waste and soil for generations. The common earthworm, Eisenia fetida, could also become a useful tool in the processing and safe management of hazardous solid and liquid wastes with high metal content, according to chemist Lu Mer Marc Parra of the Universidad Centro Occidental Lisandro Alvarado in Cabudare, Venezuela, and colleagues there and in Argentina.

The team has carried out two feasibility studies on the use of worms in treating waste. The team first used compost produced by worms, vermicompost, as a successful adsorbent substrate for remediation of wastewater contaminated with the metals nickel, chromium, vanadium and lead. The second used earthworms directly for remediation of arsenic and mercury present in landfill soils and demonstrated an efficiency of 42 to 72% in approximately two weeks for arsenic removal and 7.5 to 30.2% for mercury removal in the same time period.

Earthworms could offer an inexpensive and effective bioremediation alternative to complex and costly industrial cleanup methods, the team suggests. Given that the accumulation of solid wastes in landfills causes high risk for soils, underground and surface water contamination, so an effective remediation method is increasingly important as toxic metals in a wide range of waste products from obsolete computers to portable electronic devices are discarded in landfill.


'/>"/>

Contact: Lu Mer Marc Parra
luemerumarco@yahoo.es
58-412-510-0557
Inderscience Publishers
Source:Eurekalert

Page: 1

Related biology technology :

1. Professor-turned-producer learns the movie biz
2. Cellulose from Wastewater Can Now be Turned into Fuel for Cars
3. Bacteria from the deep can clean up heavy metals
4. San Diego Wireless Heavyweight Leap Wireless Supports New Start-up Incubator
5. Elekta / Mitsubishi Electric Collaboration Helps Japans Gunma University Heavy Ion Medical Center Launch Advanced Carbon Ion Therapy for Treating Cancer
6. OriGene Technologies Launches Over 5,000 Heavy Isotope Labeled Full-Length Human Proteins as Quantitative Internal Standards for SRM/MRM Mass Spectrometry
7. Creating unconventional metals
8. Surface plasmon resonances of metal nanoparticles in array can have narrower spectral widths
9. A supercharged metal-ion generator
10. UB engineers prove that carbon nanotubes are superior to metals for electronics
11. Nanoscience Instruments, Inc. Announces Distribution of NaugaNeedles Metallic Needle AFM Tips
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:9/23/2014)... -- Research and Markets  has announced the ... and IVD Applications (Mass Spectrometry, Chromatography, Microarrays, Electrophoresis, ... This report defines markets and ... research use and in IVD.  Proteomics is the ... structure and function of proteins. This includes the ...
(Date:9/23/2014)... 23, 2014 Follow us ... steady popularity the world over, due to its ... in the marketplace is expected to come from ... developing countries. Several sub-Saharan countries in the African ... already implemented genetically engineered crop production strategies. Rising ...
(Date:9/23/2014)... - Portage Biotech Inc. ("Portage" or "the Company") (OTC: ... announce that its wholly owned subsidiary, Portage Pharmaceuticals ... its team for further development of its PPL-003 ... permeable peptide platform technology derived from human genes ... Ms. Holly Prentice ...
(Date:9/23/2014)... New York , September 23, 2014 /PRNewswire/ ... a leading provider of  Closed System Transfer     ... new exclusive partnership with Taiwanese distributor MedFront Medical Technology Corporation. ... bodies in Taiwan , ... approval as the company continues to expand globally, ...
Breaking Biology Technology:Proteomics Markets for Research and IVD Applications (Mass Spectrometry, Chromatography, Microarrays, Electrophoresis, Immunoassays, Other Technologies) 2Proteomics Markets for Research and IVD Applications (Mass Spectrometry, Chromatography, Microarrays, Electrophoresis, Immunoassays, Other Technologies) 3Proteomics Markets for Research and IVD Applications (Mass Spectrometry, Chromatography, Microarrays, Electrophoresis, Immunoassays, Other Technologies) 4Rising Focus on Food Security Spurs Growth in the Global Agricultural Biotechnology Market, According to New Report by Global Industry Analysts, Inc. 2Rising Focus on Food Security Spurs Growth in the Global Agricultural Biotechnology Market, According to New Report by Global Industry Analysts, Inc. 3Rising Focus on Food Security Spurs Growth in the Global Agricultural Biotechnology Market, According to New Report by Global Industry Analysts, Inc. 4Portage Announces New Consultants for its PPL-003 Development Programs 2Portage Announces New Consultants for its PPL-003 Development Programs 3Portage Announces New Consultants for its PPL-003 Development Programs 4Equashield Enters Taiwan Following Expansion to Australia, Japan, China 2
... AMSTERDAM, October 13 Amsterdam Molecular,Therapeutics ... gene therapy,announced today that the European Medicines Agency has ... for the treatment of,Duchenne muscular dystrophy. , ... (DMD) entitles,AMT to ten year market exclusivity in Europe ...
... HAIKOU CITY, China, Oct. 12 ... CPHI ), which develops,manufactures, and markets specialty pharmaceutical ... the Roth China Conference, to be held,October 12-14, 2009, ... participate in one-on-one meetings with conference attendees throughout,the three-day ...
... 12 Dr. Michael Merzenich , PhD ... brain plasticity expert and tech entrepreneur - was ... Washington, D.C. Also a member of the National Academy of ... scientists and doctors in the U.S. who have been selected ...
Cached Biology Technology:AMT Receives EMEA Orphan Drug Designation for Duchenne Muscular Dystrophy 2AMT Receives EMEA Orphan Drug Designation for Duchenne Muscular Dystrophy 3Dr. Michael Merzenich Joins Venerable Short List Honored for Cutting-Edge Neuroscientific Research 2Dr. Michael Merzenich Joins Venerable Short List Honored for Cutting-Edge Neuroscientific Research 3
(Date:9/23/2014)... vegetable consumption could be as good for your mental ... research, conducted by the University of Warwick,s Medical School ... published by BMJ Open focused on mental ... were consistently associated with an individual,s fruit and vegetable ... ate five or more portions of fruit and vegetables ...
(Date:9/23/2014)... humans, have parasitic DNA fragments called "jumping genes" that ... the process. And that phenomenon can result in age-related ... of Rochester now report that the "jumping genes" in ... multi-function protein stops keeping them in check in order ... study published today in Nature Communications , Professor ...
(Date:9/22/2014)... grass in recent years has been identified as the ... the aroma also summons beneficial insects to the rescue. ... signals the environment via the emission of volatile organic ... parasitic wasps to come to the plant that is ... said Dr. Michael Kolomiets, Texas A&M AgriLife Research plant ...
Breaking Biology News(10 mins):Eating five a day may keep the blues away 2A multi-function protein is key to stopping genomic parasites from 'jumping' 2Mown grass smell sends SOS for help in resisting insect attacks, researchers say 2Mown grass smell sends SOS for help in resisting insect attacks, researchers say 3
... of the school takes off in fear, tipped off by a ... researchers reporting online on February 23 in the Cell Press journal ... is really made of. Within that chemical brew is ... When a fish is wounded, fragments of the sugar known as ...
... N.Y. -- University at Buffalo engineers have developed a ... properties: When viewed from a single perspective, the polymer ... Used as a filter for light, this material could ... identify the "true color" of objects examined. An image ...
... The immune system protects from infections by detecting and ... of conventional clinical approaches in the fight against infectious ... Science , Miguel Soares from the Instituto Gulbenkian de ... School of Medicine and David Schneider from Stanford University ...
Cached Biology News:For fish, fear smells like sugar 2A rainbow for the palm of your hand 2New strategies for treatment of infectious diseases 2
... BacMagic™ DNA Kit provides a positive selection ... recombinant protein expression in insect cells. The ... generating recombinant baculoviruses by eliminating the time-consuming ... is an AcNPV genome with a portion ...
... CLS number is a new product number, ... If showing no availability yet, please order ... contact customer service for assistance. ... Dim: surface area 500 cm 2 ...
Mouse Anti-Human Killer cell immunoglobulin-like receptor, two domains, long cytoplasmic tail, 4 (KIR2DL4 Monoclonal Antibody Family: New...
Gridded Cell Culture Petri Dish (20 mm molded in base), tissue-culture treated...
Biology Products: