Navigation Links
Virus killer gets supercharged
Date:1/11/2011

use it's considered the most polluted river in the world, with the highest viral content," he said. "Even at that level of viral contamination, we're getting complete destruction of the viruses in water that matches the level of pollution in the Yangtze."

Using a smaller amount of treated P25 takes longer but works just as well, he said. "Either way, it's green and it's cheap."

The team started modifying titanium dioxide two years ago. Li, an assistant professor in civil and environmental engineering whose specialties include water and wastewater treatment, approached Barron to help search for new photocatalytic nanomaterials to disinfect drinking water.

The revelation came when students in Barron's lab heated titanium dioxide, but it wasn't quite the classic "aha!" moment. Graduate student and co-author Michael Liga saw the data showing greatly enhanced performance and asked fellow graduate student Huma Jafry what she had done. Jafry, the paper's first author, said, "I didn't do anything," Barron recalled.

When Barron questioned Jafry, who has since earned her doctorate, he discovered she used silicone grease to seal the vessel of P25 before heating it. Subsequent testing with nonsilicone grease revealed no change in P25's properties, whether the sample was heated or not. Remarkably, Barron said, further work with varying combinations of titanium dioxide and silicone dioxide found the balance between the two at the time of the discovery was nearly spot-on for maximum impact.

Barron said binding just the right amount of silica to P25 creates an effect at the molecular level called band bending. "Because the silicone-oxygen bond is very strong, you can think of it as a dielectric," he said. "If you put a dielectric next to a semiconductor, you bend the conduction and valence bands. And therefore, you shift the absorption of the ultraviolet (used to activate the catalyst)."

Bending the bands creates a path for e
'/>"/>

Contact: David Ruth
druth@rice.edu
713-348-6327
Rice University
Source:Eurekalert

Page: 1 2 3

Related biology news :

1. Deadly rugby virus spreads in sumo wrestlers
2. Structures of important plant viruses determined
3. Research about plant viruses could lead to new ways to improve crop yields
4. World leaders in infectious diseases convene to discuss emerging global viruses
5. Study: Bird diversity lessens human exposure to West Nile Virus
6. Scripps research team solves structure of beneficial virus
7. Tick-borne encephalitis virus reveals its access code
8. Protein tubules free avian flu virus from immune recognition
9. Forced evolution: Can we mutate viruses to death?
10. Nature Medicine study shows Peregrines bavituximab can cure lethal virus infections
11. Researchers recreate SARS virus, open door for potential defenses against future strains
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:2/5/2015)... 28, 2015 NXT-ID, Inc. (NASDAQ: ... biometric authentication company focused on the growing mobile commerce ... Global Online CEO Conference on January 29 th ... Pereira , CEO of NXT-ID will present and host ... Wocket smart wallet and its full suite of biometric ...
(Date:2/5/2015)... , Jan. 30, 2015  It is gratifying to ... and potential for genomic science as a means to ... prevention and treatment.  I was honored to participate in ... precision medicine program. Since the 1980s ... of genomics—from the first sequenced genome of a free ...
(Date:1/22/2015)... Jan. 22, 2015 Research and Markets ( http://www.researchandmarkets.com/research/4trb7t/biometrics_a ... A Global Market Overview" report to their offering. ... to ensure that an individual is who she/he is claiming ... use of a person,s unique physical characteristics, such as fingerprint, ...
Breaking Biology News(10 mins):CEO of NXT-ID, Inc. to Discuss Company's Biometric Technologies at RedChip Online Conference January 29th 2CEO of NXT-ID, Inc. to Discuss Company's Biometric Technologies at RedChip Online Conference January 29th 3J. Craig Venter, Ph.D., Co-Founder and CEO, Human Longevity, Inc. (HLI) Participates in White House Precision Medicine Event 2Biometrics - A Global Market Overview 2Biometrics - A Global Market Overview 3
... possible cause of irritable bowel syndrome has been traced to ... the colon membrane, leading to hostile conditions that can produce ... that this RNA segment sends signals that stop the activity ... research has linked a shortage of glutamine in the gut ...
... generations of mountaineers since their ill-fated attempt to climb ... of scientists believe they have discovered another important part ... Andrew Irvine never returned from their pioneering expedition. The ... mystery and uses newly uncovered historical data collected during ...
... institutions led by the Georgia Institute of Technology has ... Science Foundation and the National Aeronautics and Space Administration ... understanding of how life started on Earth. Researchers will ... the spontaneous formation of functional polymers -- such as ...
Cached Biology News:Scientists target possible cause of 1 form of bowel disease 2Scientists target possible cause of 1 form of bowel disease 3Mallory and Irvine: Did extreme weather cause their disappearance? 2Georgia Tech awarded a $20M Center for Chemical Innovation from NSF and NASA 2Georgia Tech awarded a $20M Center for Chemical Innovation from NSF and NASA 3
(Date:2/26/2015)... 26, 2015  23andMe, the leading personal genetics company, ... as Privacy Officer and Corporate Counsel. Black brings a ... as well as health care regulations. As a member ... responsible for reviewing, updating and enhancing the company,s privacy ... abroad. She joined the company January 5, 2015 and ...
(Date:2/26/2015)...   Synageva BioPharma Corp. (NASDAQ: ... products for rare disorders, today reported 2014 full ... key objectives, and financial guidance.  Synageva,s management team ... p.m. EST to review the financial results and ... today,s call by telephone, please dial (877) 445-4603 ...
(Date:2/26/2015)... PARK, Calif. , Feb. 26, 2015 ... released the latest version of the Governance Portal ... accomplish governance, risk and compliance (GRC) tasks across multiple ... also been updated to help customers better align their ... of the Treadway Commission ) requirements. In response to ...
(Date:2/26/2015)... The Movement for Indefinite Life Extension ... extension technologies and awareness. The event is taking place ... March 21st 2015, in a live Google Hangout broadcast ... Founder of MILE, says, “Our lives are in our ... for Indefinite Life Extension is raising awareness about bio-sciences ...
Breaking Biology Technology:23andMe Appoints Kate Black as Privacy Officer and Corporate Counsel 2Synageva BioPharma Reports 2014 Full Year Financial Results 2Synageva BioPharma Reports 2014 Full Year Financial Results 3Synageva BioPharma Reports 2014 Full Year Financial Results 4Synageva BioPharma Reports 2014 Full Year Financial Results 5Synageva BioPharma Reports 2014 Full Year Financial Results 6Synageva BioPharma Reports 2014 Full Year Financial Results 7Synageva BioPharma Reports 2014 Full Year Financial Results 8Synageva BioPharma Reports 2014 Full Year Financial Results 9Protiviti Governance Portal Helps Companies Drive Governance, Risk and Compliance Productivity Across Multiple Business Units 2Protiviti Governance Portal Helps Companies Drive Governance, Risk and Compliance Productivity Across Multiple Business Units 3Indefinite Life Extension Activists Organize Online Demonstration 2Indefinite Life Extension Activists Organize Online Demonstration 3
... , SPRINGFIELD, Ill., July 23 St. ... Midwest to acquire a dual console da Vinci surgical robot, and one ... , , , , ... gives surgeons an enhanced three-dimensional view of the operative field and greater ...
... SHANGHAI, July 22 /PRNewswire-Asia/ -- Since the ... ago for Sundia MediTech Company and,2 other CRO companies in ... CRO shipments has been shortened from 3 days to 1,day ... Sundia. , In light of the ...
... , , , ... today announced a relationship with Saigene Biotech, Inc. for the introduction ... technology in ASEAN nations, China, and Bangladesh. Global One, a ... Asian nations, specializes in helping emerging products and technologies find their ...
Cached Biology Technology:St. John's Hospital Acquires Latest Technology in Robotic-Assisted Surgery 2Sundia Shortens CRO Shipment Delivery Time with Express Customs Clearance in Shanghai 2Global One Consulting Announces Exclusive Contract to Expand Saigene Biotech, Inc. Sales in Emerging Markets 2Global One Consulting Announces Exclusive Contract to Expand Saigene Biotech, Inc. Sales in Emerging Markets 3
... The high-performance triple quadrupole 1200L sets ... today's cost-conscious environment - incorporating the ... for all liquid chromatography analytical needs. ... interface and the Transmission Quadrupole Analyzer ...
C1-inhibitor (C1-INH)...
... Bio luciferase assay. Mo Bio Laboratories offers the ... you to certify your products ATP-Free with a ... deliver them to your customers in a timely ... 3.5 x 10-12 /l, which will allow you ...
Choriongonadotropin (human, hCG)...
Biology Products: