Navigation Links
Researchers shed new light on catalyzed reactions
Date:11/19/2008

HOUSTON -- (Nov. 19, 2008) -- Rice University scientists on the hunt for a better way to clean up the stubborn pollutant TCE have created a method that lets them watch molecules break down on the surface of a catalyst as individual chemical bonds are formed and broken.

"We can see the vibrations of the bonds between the atoms of our molecules," said researcher Michael Wong. "By watching the way these vibrations change frequency and intensity with time, we can watch how molecules transform into other molecules step-by-step."

The research is available online in the Journal of the American Chemical Society.

This chemical sensing technique relies on nanoparticles consisting of gold and silica called nanoshells, invented 10 years ago at Rice by nanophotonics pioneer Naomi Halas. Nanoshells are about 20 times smaller than a red blood cell, and they can amplify light waves and focus them so tightly that scientists can use them to detect just a few molecules of a target chemical. Building catalysts directly on the surface of the nanoparticles themselves allows researchers to use the nanosensing capabilities of nanoshells to directly follow chemical reactions on the catalyst using light.

"Nanoshells are among the world's most effective chemical sensors, and this study reveals another area where they are uniquely valuable," said Halas, the Stanley C. Moore Professor in Electrical and Computer Engineering, professor of chemistry and director of Rice's Laboratory for Nanophotonics. "We are aware of no other method that provides this level of detail about metal-catalyzed chemical reactions that run in water. Given the overwhelming interest in biofuels processing and other water-based reactions, we expect this to be a very useful tool in understanding these chemistries in more detail."

TCE, or trichloroethene, is a common solvent and one of the world's most pervasive and troublesome groundwater pollutants. A carcinogen, TCE
'/>"/>

Contact: Jade Boyd
jadeboyd@rice.edu
713-348-6778
Rice University
Source:Eurekalert

Page: 1 2 3

Related biology news :

1. Researchers identify proteins involved in new neurodegenerative syndrome
2. Texas researchers and educators head for Antarctica
3. MGH researchers describe new way to identify, evolve novel enzymes
4. University of Pennsylvania researchers develop formula to gauge risk of disease clusters
5. U of MN researchers discover noninvasive diagnostic tool for brain diseases
6. U of Minnesota researchers discover noninvasive diagnostic tool for brain diseases
7. Researchers discover new strategies for antibiotic resistance
8. Researchers find new taste in fruit flies: carbonated water
9. Binghamton University researchers investigate evolving malaria resistance
10. UIC researchers find promising new targets for antibiotics
11. Researchers develop simple method to create natural drug products
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:8/29/2014)... Researchers at UC Davis have made some surprising ... infection. Studying simian immunodeficiency virus (SIV), the team ... Paneth cells are early responders to viral invasion ... producing a cytokine called interleukin-1 beta (IL-1β). ... IL-1β causes breakdown of the gut epithelium that ...
(Date:8/29/2014)... recently, little has been known about what genetic changes ... of scientists, one of whom is a University of ... that genes controlling the development of the brain and ... The study was published Aug. 28 in Science ... is online at http://www.sciencemag.org/ ., The domestication of ...
(Date:8/29/2014)... over the last 120,000 years may have influenced ... researchers led by City College of New York ... metric called "phylogeographic endemism." , It quantifies the ... is restricted in geographical space. , Dr. Carnaval, ... researchers from institutions in Brazil, Australia and the ...
Breaking Biology News(10 mins):The early cost of HIV 2New research reveals how wild rabbits were genetically transformed into tame rabbits 2New research reveals how wild rabbits were genetically transformed into tame rabbits 3CCNY team defines new biodiversity metric 2
... researchers may have found a way to deliver chemotherapeutic ... healthy body cells. If successful, the invention of ... cancer cells and alleviate the harmful side effects that ... Marek Romanowski, an associate professor of biomedical engineering in ...
... commercial and recreational fish species, may be more vulnerable ... a new study published by scientists from NOAA, The ... Marine and Atmospheric Science. An expanding zone ... the Atlantic Ocean is encroaching upon these species, preferred ...
... by a team of researchers in New York and ... belief that the pterygotid eurypterids ("sea scorpions") were high-level ... the seas from about 470 to 370 million years ... and, arguably, scariest-looking arthropods known to have evolved on ...
Cached Biology News:Invention could improve cancer drug delivery, lessen harmful effects of chemotherapy 2Invention could improve cancer drug delivery, lessen harmful effects of chemotherapy 3Invention could improve cancer drug delivery, lessen harmful effects of chemotherapy 4Growing hypoxic zones reduce habitat for billfish and tuna 2Pterygotid sea scorpions: No longer terror of the ancient seas? 2
(Date:8/28/2014)... YORK , Aug. 28, ... that a new market research ... catalogue: Whole Exome ... Kits (Library Preparation, Target Enrichment), ... (Sequencing by Synthesis), by Application ...
(Date:8/28/2014)... 2014   SunTrust Robinson Humphrey (STRH) ... to its equity research team in biotechnology and ... in equity research demonstrates our commitment to providing ... enhance their investment decision making," said Biff ... continue to make significant investments in differentiated content ...
(Date:8/28/2014)... new work by a Florida State University research team ... take your temperature, emit white light, and convert photon ... looks like a butterfly. , Biwu Ma, associate professor ... the FAMU-FSU College of Engineering, created the molecule in ... to discover that his creation has many other unique ...
(Date:8/28/2014)... August 28, 2014 Earlier this month, ... in partnership with the U.S. Air Force on ... The results indicated that this type of fuel made ... and will be important to America’s Eco friendly future. ... has a mandate to become independent of foreign oil ...
Breaking Biology Technology:Whole Exome Sequencing Market by Product (Systems, Kits (Library Preparation, Target Enrichment), by Services (Sequencing), by Technology (Sequencing by Synthesis), by Application (Cancer, Monogenic disorders) - Global Forecast to 2018 2Whole Exome Sequencing Market by Product (Systems, Kits (Library Preparation, Target Enrichment), by Services (Sequencing), by Technology (Sequencing by Synthesis), by Application (Cancer, Monogenic disorders) - Global Forecast to 2018 3Whole Exome Sequencing Market by Product (Systems, Kits (Library Preparation, Target Enrichment), by Services (Sequencing), by Technology (Sequencing by Synthesis), by Application (Cancer, Monogenic disorders) - Global Forecast to 2018 4Whole Exome Sequencing Market by Product (Systems, Kits (Library Preparation, Target Enrichment), by Services (Sequencing), by Technology (Sequencing by Synthesis), by Application (Cancer, Monogenic disorders) - Global Forecast to 2018 5Whole Exome Sequencing Market by Product (Systems, Kits (Library Preparation, Target Enrichment), by Services (Sequencing), by Technology (Sequencing by Synthesis), by Application (Cancer, Monogenic disorders) - Global Forecast to 2018 6Whole Exome Sequencing Market by Product (Systems, Kits (Library Preparation, Target Enrichment), by Services (Sequencing), by Technology (Sequencing by Synthesis), by Application (Cancer, Monogenic disorders) - Global Forecast to 2018 7Whole Exome Sequencing Market by Product (Systems, Kits (Library Preparation, Target Enrichment), by Services (Sequencing), by Technology (Sequencing by Synthesis), by Application (Cancer, Monogenic disorders) - Global Forecast to 2018 8Whole Exome Sequencing Market by Product (Systems, Kits (Library Preparation, Target Enrichment), by Services (Sequencing), by Technology (Sequencing by Synthesis), by Application (Cancer, Monogenic disorders) - Global Forecast to 2018 9Whole Exome Sequencing Market by Product (Systems, Kits (Library Preparation, Target Enrichment), by Services (Sequencing), by Technology (Sequencing by Synthesis), by Application (Cancer, Monogenic disorders) - Global Forecast to 2018 10Whole Exome Sequencing Market by Product (Systems, Kits (Library Preparation, Target Enrichment), by Services (Sequencing), by Technology (Sequencing by Synthesis), by Application (Cancer, Monogenic disorders) - Global Forecast to 2018 11Whole Exome Sequencing Market by Product (Systems, Kits (Library Preparation, Target Enrichment), by Services (Sequencing), by Technology (Sequencing by Synthesis), by Application (Cancer, Monogenic disorders) - Global Forecast to 2018 12Whole Exome Sequencing Market by Product (Systems, Kits (Library Preparation, Target Enrichment), by Services (Sequencing), by Technology (Sequencing by Synthesis), by Application (Cancer, Monogenic disorders) - Global Forecast to 2018 13SunTrust Robinson Humphrey Expands Equity Research in Healthcare and Energy 2SunTrust Robinson Humphrey Expands Equity Research in Healthcare and Energy 3Novel 'butterfly' molecule could build new sensors, photoenergy conversion devices 2Can Small Farmers and a New Seed Based Biofuel “Green” the World? Major Universities and Even the U.S. Air Force Seem to Think So 2Can Small Farmers and a New Seed Based Biofuel “Green” the World? Major Universities and Even the U.S. Air Force Seem to Think So 3Can Small Farmers and a New Seed Based Biofuel “Green” the World? Major Universities and Even the U.S. Air Force Seem to Think So 4Can Small Farmers and a New Seed Based Biofuel “Green” the World? Major Universities and Even the U.S. Air Force Seem to Think So 5
... 2011 "ALBERT EINSTEIN" World Award of Science to Professor ... Professor University of Toronto, Canada. The members ... the winner of the 2011 "ALBERT EINSTEIN" World Award ... of nanochemistry that have helped to define and establish ...
... DIEGO, Sept. 6, 2011 Anadys Pharmaceuticals, Inc. (Nasdaq: ... the Company,s presentation at the Stifel Nicolaus Healthcare Conference to ... PDT).  The conference is being held at the Four Seasons ... Officer of Anadys, will provide an overview of Anadys and ...
... French genome engineering specialist, will present at the UBS Global Life ... at the MidCap Event in Paris on September 22 & 23, ... and the development strategy of the Cellectis group at the UBS ... on Tuesday, September 20, 2011 at 11:30 am ET. ...
Cached Biology Technology:2011 Awards of World Cultural Council 22011 Awards of World Cultural Council 32011 Awards of World Cultural Council 42011 Awards of World Cultural Council 5Anadys Pharmaceuticals Updates Its Presentation Date at the Stifel Nicolaus Healthcare Conference 2
... 120 V, is used for agitation and mixing ... staining and destaining of gels and blots, and ... (8-40 rpm) and can handle a maximum load ... two 29 x 21 cm platforms covered with ...
Mouse monoclonal antibody to DCAMKL2 - doublecortin and CaM kinase-like 2...
...
...
Biology Products: