Navigation Links
Simple approach could clean up oil remaining from Exxon Valdez spill
Date:9/29/2010

Traces of crude oil that linger on the shores of Alaska's Prince William Sound after the Exxon Valdez oil spill remain highly biodegradable, despite almost 20 years of weathering and decomposition, scientists are reporting in a new study. Their findings, which appear in ACS' semi-monthly journal Environmental Science & Technology, suggest a simple approach for further cleaning up remaining traces of the Exxon Valdez spill the largest in U.S. waters until the 2010 Deepwater Horizon episode.

Albert D. Venosa and colleagues note that bacteria, evaporation, sunlight, and other items in Mother's Nature's clean-up kit work together to break down the oil and make it disappear. Scientists have known for years that adding nitrogen and phosphorus fertilizer to oil-contaminated soil can speed the growth of bacteria that decompose, or biodegrade, oil. But it has been uncertain whether oil that has lingered in the environment for almost 20 years still is biodegradable, leaving questions on whether further clean-up efforts might be worthwhile.

The scientists collected oil-contaminated soil from different beaches in Prince William Sound and treated the samples with phosphorus and nitrogen fertilizer in the presence of excess oxygen from the air. Oil in the fertilized samples biodegraded up to twice as fast as oil in the unfertilized control samples, but significant biodegradation occurred even in the unfertilized controls. The results showed that oxygen supply was the major bottleneck, or limiting factor, in the field that prevented further decomposition of the oil. The scientists used data from the research to postulate a simple treatment scheme that would involve applying simple nitrate salts to possibly break down the natural organic matter in the sediment. That would cause an increase in sediment porosity that would allow dissolved oxygen in seawater to penetrate to the oiled zone and create oxygen-rich conditions that might stimulate more rapid
'/>"/>

Contact: Michael Bernstein
m_bernstein@acs.org
202-872-6042
American Chemical Society
Source:Eurekalert

Page: 1 2

Related biology news :

1. Caltech chemists develop simple technique to visualize atomic-scale structures
2. Health diagnosis made simpler
3. The secret of life may be as simple as what happens between the sheets -- mica sheets
4. Research develops simple recipe for fungus-free horseradish
5. Study finds that simple 2-question survey can better identify hungry children
6. Cheap, simple, noninvasive blood test may replace invasive diagnostic techniques in early pregnancy
7. New study documents use of hormone progesterone in simple microscopic aquatic animals
8. Pitt researcher says simple polymer-based filter successfully cleans water, recovers oil in Gulf of Mexico tests
9. Coral transplantation the simple and cheap solution to reef restoration
10. Sari cloth a simple sustainable protector from cholera
11. Transportation governed by simple rules
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:7/25/2014)... this false-color image from the Terra satellite show the different ... wildfires in Eastern Russia. The burn scars show up ... The wildfires have broken across the remote parts of Eastern ... image from the MODIS instrument, it is still possible ... Two recent image features noted below show the devastating number ...
(Date:7/25/2014)... and disrupted brain development is an essential part ... largely unknown. However, thanks to funding from the ... University (GW) researcher Anthony-Samuel LaMantia, Ph.D. may be ... to these key questions in the field of ... and physiology at the GW School of Medicine ...
(Date:7/25/2014)... 25 countries and 35 states will attend the ... Society of America (GSA) next week at the ... feature close to 500 presentations (including 70 talks) ... expression and regulation, functional genomics, chemical biology and ... variety of diseases. , Of special note ...
Breaking Biology News(10 mins):GW researcher receives grant to answer the how and why of autism during development 2Yeast meeting to showcase latest breakthroughs in genetics and molecular biology 2
... State Universitys computational mathematical sciences program in ... will power a new set of undergraduate ... $1 million grant from the National Science ... in computational mathematical sciences, will initially offer ...
... the Neural Basis of Cognition (CNBC), a joint project ... have for the first time described a mechanism called ... the fly allowing stimuli to be more keenly sensed. ... the January 2008 issue of Nature Neuroscience, and available ...
... simulations provide the first concrete molecular explanation of how ... into two daughter cells at the end of each ... Cell biologists at Yale and physicists at Columbia ... a cell assembles the contractile ring, the short-lived force-producing ...
Cached Biology News:Computational mathematical sciences receives NSF grant for undergraduate research 2Computational mathematical sciences receives NSF grant for undergraduate research 3Neuronal circuits able to rewire on the fly to sharpen senses 2How molecular muscles help cells divide 2
(Date:7/28/2014)... TORONTO , July 28, 2014 /PRNewswire/ -   ... latest group of companies to join its growing portfolio ... hallmarks of Toronto,s JOLT accelerator, ... startups on the roster. Since its ... that have successfully raised  $7.5M of financing. Now at ...
(Date:7/28/2014)... July 28, 2014 Appistry, Inc. ... that bring the power of genomics to next-generation medicine, ... Appistry Pipeline Challenge . , Two Appistry staff ... the National Center for Genome Resources, and Mr. Neil ... Clinics of Kansas City. Rounding out the panel are ...
(Date:7/28/2014)... , July 28, 2014 Research and Markets ... Size Analysis Market 2014-2018" report to their offering. ... size analysis is a technique used to determine the size ... liquid. It is crucial to analyze the size of particles ... particle size analysis is performed to determine the behavior and ...
(Date:7/25/2014)... in each person,s digestive tract. Scientists believe that some ... harmful infections, but their role in human health is ... the role of these bacteria, a team of researchers ... fluctuations in the bacterial populations of two research subjects ... July 25 issue of the journal Genome Biology ...
Breaking Biology Technology:JOLT Announces the Next 6 Startups to Join its Summer 2014 Cohort 2JOLT Announces the Next 6 Startups to Join its Summer 2014 Cohort 3Appistry Names Industry Experts from the National Center for Genome Resources and Mercy Children's, Kansas City, to Judge Pipeline Challenge Competition 2Global Particle Size Analysis Market 2014-2018 2Monitoring the rise and fall of the microbiome 2Monitoring the rise and fall of the microbiome 3
... as an early warning system for potential ecological ... at Stockholm University and the University of East ... and food production are of fundamental importance for ... sudden changes in ecosystems caused by various pressures ...
... Receives Positive Committee Recommendation in European UnionSAN MATEO, Calif., ... ), a biopharmaceutical company focused on developing and commercializing ... a conference call on Friday, March 20, 2009 at ... quarter and year-end 2008 results and the European Medicines ...
... Indicated for Peripheral Neuropathic Pain in Non-Diabetic AdultsConference ... SAN MATEO, Calif., March 19 NeurogesX, ... company focused on developing and commercializing novel pain ... Agency,s (EMEA) Committee for Medicinal Products for Human ...
Cached Biology Technology:Internet can warn of ecological changes 2Internet can warn of ecological changes 3NeurogesX to Hold Conference Call to Discuss Fourth Quarter and Year-End 2008 Financial Results and European Regulatory Update 2NeurogesX to Hold Conference Call to Discuss Fourth Quarter and Year-End 2008 Financial Results and European Regulatory Update 3NeurogesX to Hold Conference Call to Discuss Fourth Quarter and Year-End 2008 Financial Results and European Regulatory Update 4NeurogesX' Qutenza(TM) (NGX-4010) Receives Positive Committee Recommendation in European Union 2NeurogesX' Qutenza(TM) (NGX-4010) Receives Positive Committee Recommendation in European Union 3NeurogesX' Qutenza(TM) (NGX-4010) Receives Positive Committee Recommendation in European Union 4NeurogesX' Qutenza(TM) (NGX-4010) Receives Positive Committee Recommendation in European Union 5NeurogesX' Qutenza(TM) (NGX-4010) Receives Positive Committee Recommendation in European Union 6
... HRP Conjugation Kits are based on ... that are consistent and reproducible. This ... conjugate your protein or antibody, including ... buffer. Activated HRP is supplied ...
... Acridinium NHS ester can be ... nucleic acids. The covalently bound ... chemiluminescence in the presence of ... proteins can be used as ...
... designed to hold up to 6 strain chambers ... easy to use design ensures that cells grow ... stretching or compression. This unit allows you to ... to produce 64 unique strain settings. The instrument ...
... a novel procedure for the uniform amplification ... genome DNA from small samples. This method ... and highly reproducible amplification and labeling procedure ... REPLI-g Mini Kit module (QIAGEN) and a ...
Biology Products: