Navigation Links
UMD finding may hold key to Gaia hypothesis
Date:5/15/2012

sms and (2) carry implications for tracking dimethylsulfide emissions from the ocean to the atmosphere.

Sulfur, the tenth most abundant element in the universe, is part of many inorganic and organic compounds. Sulfur cycles sulfur through the land, atmosphere and living things and plays critical roles in both climate and in the health of organisms and ecosystems.

"Dimethylsulfide emissions play a role in climate regulation through transformation to aerosols that are thought to influence the earth's radiation balance," says Oduro, who conducted the research while completing a Ph.D. in geology & earth system sciences at Maryland and now is a postdoctoral fellow at the Massachusetts Institute of Technology. "We show that differences in isotopic composition of dimethylsulfide may vary in ways that will help us to refine estimates of its emission into the atmosphere and of its cycling in the oceans."

As with many other chemical elements, sulfur consists of different isotopes. All isotopes of an element are characterized by having the same number of electrons and protons but different numbers of neutrons. Therefore, isotopes of an element are characterized by identical chemical properties, but different mass and nuclear properties. As a result, it can be possible for scientists to use unique combinations of an element's radioactive isotopes as isotopic signatures through which compounds with that element can be traced.

"What Harry did in this research was to devise a way to isolate and measure the sulfur isotopic composition of these two sulfur compounds," says Farquhar, a professor in the University of Maryland's department of geology. "This was a very difficult measurement to do right, and his measurements revealed an unexpected variability in an isotopic signal that appears to be related to the way the sulfur is metabolized.

"Harry's work establishes that we should expect to see variability in the sulfur isotope signatures o
'/>"/>

Contact: Lee Tune
ltune@umd.edu
301-405-4679
University of Maryland
Source:Eurekalert

Page: 1 2 3

Related biology news :

1. Finding explosives with laser beams
2. Football findings suggest concussions caused by series of hits
3. Findings prove Miscanthus x giganteus has great potential as an alternative energy source
4. New findings by St. Michaels researchers about the way cells work
5. Spasticity gene finding provides clues to causes of nerve cell degeneration
6. Sensational bird finding in China
7. Senses of sophistication: Mosquitoes detect subtle cues finding food, spreading diseases
8. The leading edge of stress: New genomic, optogenetic and epigenetic findings
9. Texas Biomed develops new approach to study depression; finding may lead to new marker for risk
10. UH engineers finding new ways to fight malaria with DOD grant
11. New findings validate the accuracy of autism diagnosis in children with Down syndrome
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:3/31/2015)... YORK , March 31, 2015  Elephant Talk ... "Company"), a global provider of Software Defined Network Architecture ... today announced total revenue of approximately $20.4 million for ... a restated $19.5 million for the year ended December ... calendar 2014, the Company had completed its multi-year transition ...
(Date:3/24/2015)... Mar. 24, 2015 Research and Markets ( http://www.researchandmarkets.com/research/kvdtcw/face_and_voice ... Biometrics - Global Strategic Business Report" report to their offering. ... Voice Biometrics in US$ Thousands by the following Segments: Face Biometrics, ... US, Canada , Japan , ... Middle East & Africa , ...
(Date:3/23/2015)... ANGELES , March 23, 2015  In the ... Federal fraud case conviction losses. This figure accounts for ... which, according to The Nilson Report, exceeds $11 billion ... investigative tool after a crime has occurred. Investor ... and polygraph expert Joe Paolella partnered to ...
Breaking Biology News(10 mins):Elephant Talk Reports 2014 Fourth Quarter and Year End Financial Results 2Elephant Talk Reports 2014 Fourth Quarter and Year End Financial Results 3Elephant Talk Reports 2014 Fourth Quarter and Year End Financial Results 4Elephant Talk Reports 2014 Fourth Quarter and Year End Financial Results 5Elephant Talk Reports 2014 Fourth Quarter and Year End Financial Results 6Face and Voice Biometrics - Global Strategic Business Report 2015: Face Recognition Gains Prominence in Immigration Control 2Face and Voice Biometrics - Global Strategic Business Report 2015: Face Recognition Gains Prominence in Immigration Control 3Face and Voice Biometrics - Global Strategic Business Report 2015: Face Recognition Gains Prominence in Immigration Control 4Face and Voice Biometrics - Global Strategic Business Report 2015: Face Recognition Gains Prominence in Immigration Control 5Face and Voice Biometrics - Global Strategic Business Report 2015: Face Recognition Gains Prominence in Immigration Control 6Polygraph Test Now Used to Protect Investors From Fraud 2Polygraph Test Now Used to Protect Investors From Fraud 3
... Jolla- Salk Institute scientist Ronald Evans has been selected ... in Medicine, Israel,s highest award for achievements benefiting mankind. ... for his discovery of the gene super-family encoding nuclear ... class of receptors. Evans, professor and head of ...
... (Jan. 18, 2012) The National Eye Institute has ... subsidiary of Mass. Eye and Ear, a five year-grant ... of eye allergies (NEI Grant Number 1R01EY021798-01A1). Daniel ... the project formally entitled "Cellular and Molecular Mechanisms that ...
... Ind. -- An international team of microbiologists led by Indiana ... one that occurs at a single end or pole of ... axis of the cell -- that could have implications in ... past detailed studies of rod-shaped bacteria such as Escherichia ...
Cached Biology News:Salk scientist Ronald M. Evans wins 2012 Wolf Prize in Medicine 2Polar growth at the bacterial scale reveals potential new targets for antibiotic therapy 2Polar growth at the bacterial scale reveals potential new targets for antibiotic therapy 3
(Date:5/5/2015)... SAN DIEGO AND TORONTO, May 5, 2015 /PRNewswire/ - Aptose ... "Company") today reported financial results for the three months ... Unless specified otherwise, all amounts are in Canadian dollars. ... changed its fiscal year end from May 31 to ... current interim period being reported is for the three ...
(Date:5/5/2015)... 05, 2015 Research and Markets ... addition of the "Separation Systems Market ... Macromolecules which include protein, RNA, ... are broken into smaller molecules, during production ... requires various advanced systems like centrifugation, liquid ...
(Date:5/5/2015)... , May 5, 2015 Reprints Desk, Inc., ... providing on-demand access to scientific, technical and medical (STM) ... the Association of Southeastern Research Libraries (ASERL) . ... libraries located across 11 southeastern states. Founded in 1956, ... collaborative programs to address the continually changing needs of ...
(Date:5/5/2015)... , May 05, 2015 Research and ... the addition of the "Clinical Laboratory, Molecular ... Forecast 2015 to 2019 - Global Version" ... developments especially in the area of molecular diagnostics ... growing and evolving world market that is moving ...
Breaking Biology Technology:Aptose Biosciences Reports Results for the First Quarter Ended March 31, 2015 2Aptose Biosciences Reports Results for the First Quarter Ended March 31, 2015 3Aptose Biosciences Reports Results for the First Quarter Ended March 31, 2015 4Aptose Biosciences Reports Results for the First Quarter Ended March 31, 2015 5Aptose Biosciences Reports Results for the First Quarter Ended March 31, 2015 6Aptose Biosciences Reports Results for the First Quarter Ended March 31, 2015 7Aptose Biosciences Reports Results for the First Quarter Ended March 31, 2015 8Global Separation Systems Market in Biotechnology 2015-2019 - Trends and Forecasts for the $28 Billion Market 2Association of Southeastern Research Libraries Partners with Reprints Desk to Improve Access for Hard-to-Find Materials 2Association of Southeastern Research Libraries Partners with Reprints Desk to Improve Access for Hard-to-Find Materials 3Association of Southeastern Research Libraries Partners with Reprints Desk to Improve Access for Hard-to-Find Materials 4Global Clinical Laboratory, Molecular Diagnostics and Genomic Testing Services Market Trends and Forecast 2015 to 2019 2
... 6, 2011 AlloSource, ( www.allosource.org ) ... soft-tissue allografts for use in surgical procedures around the ... by the Denver Business Journal,s inaugural awards ... costs and diminishing employee benefits, the Denver Business ...
... (OTC.BB: NWBO) (NORTHWEST BIO) today announced that it has ... by the end of the quarter, with 17 sites ... and active where patients can enroll in the Company,s ... multiforme (GBM), the most lethal form of brain cancer. ...
... ProteinSimple today announced the launch of the ... of protein-based therapeutics. The iCE3 platform will be ... 9-13, 2011, at Amelia Island, FL. ... closely. Imaged capillary electrophoresis (iCE) systems detect subtle ...
Cached Biology Technology:AlloSource Named One of Denver's Healthiest Employers 2AlloSource Named One of Denver's Healthiest Employers 3NORTHWEST BIO Announces Positive Third Quarter Progress 2NORTHWEST BIO Announces Positive Third Quarter Progress 3NORTHWEST BIO Announces Positive Third Quarter Progress 4ProteinSimple Launches New System for Protein Biologics 2
... disposable microfiltration devices for the fast and reliable ... l to 500 l. They can be used ... tubes. Product Features: High-flux Polyethersulphonemembrane ... hold up volume ( Fast and reproducible performance ...
... Workstation fully automates pharmaceutical sample preparation ... sample transfer, mixing and dilutions. Capabilities ... detection. The Prelude performs these functions ... Part 11. The Prelude performs ...
... Use in any standard fixed-angle ... 16,000 g.,Spin- centrifuge tube filters ... within a centrifuge tube. They filter ... removal, HPLC sample preparation, removal of ...
... (or medium binding) polystyrene surface is ... through passive interactions,• Is suitable primarily ... such as antibodies, that have large ... the surface,• Binding capacity of approximately ...
Biology Products: