HOME >> BIOLOGY >> NEWS
Research advances understanding of how hydrogen fuel is made

CHAMPAIGN, Ill. -- Oxygen may be necessary for life, but it sure gets in the way of making hydrogen fuel cheaply and abundantly from a family of enzymes present in many microorganisms. Blocking oxygen's path to an enzyme's production machinery could lead to a renewable energy source that would generate only water as its waste product.

Researchers at the Beckman Institute for Advanced Science and Technology at the University of Illinois at Urbana-Champaign have opened a window by way of computer simulation that lets them see how and where hydrogen and oxygen travel to reach and exit an enzyme's catalyst site -- the H cluster -- where the hydrogen is converted into energy.

The Illinois scientists and three colleagues from the National Renewable Energy Laboratory in Golden, Colo., detailed their findings in the September issue of the journal Structure. What they found could help solve a long-standing economics problem. Because oxygen permanently binds to hydrogen in the H cluster, the production of hydrogen gas is halted. As a result, the supply is short-lived. Numerous microorganisms have enzymes known as hydrogenases that simply use sunlight and water to generate hydrogen-based energy.

"Understanding how oxygen reaches the active site will provide insight into how hydrogenase's oxygen tolerance can be increased through protein engineering, and, in turn, make hydrogenase an economical source of hydrogen fuel," said Klaus Schulten, Swanlund Professor of Physics at Illinois and leader of the Beckman's Theoretical Biophysics Group.

Using computer modeling developed in Schulten's lab -- Nanoscale Molecular Dynamics (NAMD) and Visual Molecular Dynamics (VMD) -- physics doctoral student Jordi Cohen created an all-atom simulation model based on the crystal structure of hydrogenase CpI from Clostridium pasteurianum.

This model allowed Cohen to visualize and track how oxygen and hydrogen travel to the hydrogenase's catalytic site, wher
'"/>

Contact: Jim Barlow, Life Sciences Editor
jebarlow@uiuc.edu
217-333-5802
University of Illinois at Urbana-Champaign
6-Oct-2005


Page: 1 2

Related biology news :

1. Gilbert Foundation and American Fed for Aging Research award grants on Alzheimers disease
2. Research shows skeleton to be endocrine organ
3. Research aims to identify markers for menopausal women at risk for deadly blood clot
4. Research team enlightens the reasons for severe blindness
5. Research teams uncover risk genes for multiple sclerosis
6. Research shows NPD1 protects a key component of vision
7. Researchers find pathway that controls cell size and division
8. Researchers watch antibiotics, bacteria meet at atomic level
9. Researchers discover gene responsible for Restless Legs Syndrome
10. Research study describes the role part of the brain plays in memory
11. NY Stem Cell Foundations 2nd Annual Translational Stem Cell Research Conference

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


(Date:4/5/2017)... KEY FINDINGS The global market ... CAGR of 25.76% during the forecast period of 2017-2025. ... for the growth of the stem cell market. ... MARKET INSIGHTS The global stem cell market is segmented ... The stem cell market of the product is segmented ...
(Date:4/3/2017)... , April 3, 2017  Data captured ... engineering platform, detected a statistically significant association ... prior to treatment and objective response of ... potential to predict whether cancer patients will ... treatment, as well as to improve both pre-infusion ...
(Date:3/30/2017)... The research team of The Hong Kong Polytechnic University (PolyU) ... ground breaking 3D fingerprint minutiae recovery and matching technology, pushing contactless ... use in identification, crime investigation, immigration control, security of access and ... ... A research team led by Dr Ajay Kumar ...
Breaking Biology News(10 mins):
(Date:10/9/2017)... DIEGO , Oct. 9, 2017  BioTech ... biological mechanism by which its ProCell stem cell ... critical limb ischemia.  The Company, demonstrated that treatment ... amount of limbs saved as compared to standard ... the molecule HGF resulted in reduction of therapeutic ...
(Date:10/9/2017)... Phoenix, Arizona (PRWEB) , ... October 09, 2017 ... ... of Kindred, a four-tiered line of medical marijuana products targeting the needs of ... production and packaging of Kindred takes place in Phoenix, Arizona. , As operators ...
(Date:10/7/2017)... ... October 06, 2017 , ... ... its ProxiMeta™ Hi-C metagenome deconvolution product, featuring the first commercially available Hi-C ... software to perform Hi-C metagenome deconvolution using their own facilities, supplementing the ...
(Date:10/6/2017)... ... October 06, 2017 , ... ... discussion and webinar on INSIGhT, the first-ever adaptive clinical trial for glioblastoma (GBM). ... Institute. The event is free and open to the public, but registration is ...
Breaking Biology Technology:
Cached News: