Tag: "disinfection" at biology news

Ulcer-Causing Bacteria Found In Central Pa. Surface Water

...es and research by the EPA indicates that chlorine disinfection kills the bacterium. "I certainly have no qualms ...ls, wish to take additional precautions, having a disinfection system installed is a good idea....

Banking On Safer Drinking Water

...ess removes other organicmatter that reacts during disinfection in a treatment plant toform potentially harmful by...cerns." The study will pay particular attention to disinfection by-products, a source of growing alarm. After vegetation decays,tiny bits of surviving plant materia...

Chemists To Meet March 21-25 In Anaheim

...f the tap--from natural organic matter to disinfection by-products....

UVic creates research chair on drinking water ecology

...ater quality, reduce treatment costs, and minimize disinfection byproducts such as chlorine. Environmental technology-based industries will develop new equipment, applications and services related to drinking water. And the federal and provincial governments could use the results to strengthen guidelines for the ...

Waste not

...iber ultrafiltration membranes, and an ultraviolet disinfection system. It isdesigned to treat the non-oily wastewater from a crew of 75 and produces 2.3 gallons per minute ofeffluent. If implemented, AMTS will eliminate costs associated with discharging non-oily wastewater toport handling facilities and elimina...

Battery-operated pen quickly disinfects drinking water

...in this study. "We developed this battery-powered disinfection pen to electrochemically generate mixed oxidants from a salt solution for individual use to disinfect drinking water." The new technology was evaluated for its ability to inactivate waterborne parasites, viruses and bacteria. Several alternative pen ...

American Society for Microbiology news tips for November 2000

...o the core of unblemished apples, evading standard disinfection treatments, say researchers from the University of Georgia in the November 2000 issue of the journal Applied and Environmental Microbiology. In the study the researchers looked at the ability of the bacteria to infiltrate the internal structure of ap...

Tips from the Journals of the American Society for Microbiology: September 2001

...plastic items, supporting the need for appropriate disinfection and contact control precautions, say researchers f...or patients are becoming more limited, appropriate disinfection of the environment and conscientious contact control procedures are essential for optimal control of...

Clean water for Nepal is focus of MIT research

...l contamination. So the MIT team has also explored disinfection techniques. They quickly found that chlorine, the ...promising alternative, however, is household solar disinfection (SODIS). Water is placed in clear plastic bottles and left in the sun until ultraviolet radiation ki...

Illinois lands research center for advanced water purification

... Economy said. "Research will focus on improving disinfection and desalination processes, removing trace contaminants, and eliminating foulants that clog filters and reduce their effectiveness." Illinois is the lead university for the center. Partner institutions are Clark Atlanta University and Stanford Unive...

New studies advance scientific knowledge of drinking water disinfection byproducts

...A) on drinking water regulations. Small amounts of disinfection byproducts, including bromodichloromethane (BDCM) ...ew this research as it develops new regulations on disinfection byproducts. The studies were designed to comply with the EPA's Federal Insecticide Fungicide and Rod...

Bush signs; ozone treatment for ballast water; wetland restoration template goes national

... Currently being tested are ozone and ultra-violet disinfection equipment. "These technologies may be extremely costly to install, so only the larger, better funded shipping operations could consider them," says Herwig. A less costly treatment involves using a biocide such as chlorine, glutaraldehyde (a chemical...

Acoustic technique could disinfect medical instruments without heat or harsh chemicals

...s on submarines could be the basis for an improved disinfection technique able to rapidly kill microorganisms on m...to 60 seconds of the test period. Because acoustic disinfection could be carried out more quickly than existing heat and chemical techniques, Carter believes it cou...

Tips from the Journals of the American Society for Microbiology

...eed for a low-cost, low maintenance, and effective disinfection system for the improvement of water quality is hig...water treatment plants were treated with the solar disinfection unit. Results showed that 99 % of bacteria in highly contaminated samples were disinfected after le...

Using soils as filters to prevent 'crypto' from moving to the groundwater

...pathogen Cryptosporidium parvum. Standard chlorine disinfection is not effective at killing the pathogen. Although several "crypto" outbreaks have occurred in the U.S., the most severe problem is in Africa where both the sanitary conditions are poor and a significant portion of the population has HIV. It is espec...

Tips from the Journals of the American Society for Microbiology

...er and that lengthy exposure time is necessary for disinfection to occur. Ultra-violet (UV) radiation is a more recently developed method shown to inactivate protozoa in water. The main concern associated with UV radiation is elevated cost due to extended operation periods. In the study, coliphage MS-2, conside...

Microbes found in Mayan ruins may deteriorate stone from inside out

...ey grow. "Surface analysis of microbial growth and disinfection of stone objects and buildings can no longer be considered sufficient," says McNamara. "Furthermore, treatments designed to penetrate stone objects must consider the presence of a microbial community that may be substantially different than that vis...

Byproduct of water-disinfection process found to be highly toxic

CHAMPAIGN, Ill. -- A recently discovered disinfection byproduct (DBP) found in U.S. drinking water treated with chloramines is the most toxic ever found, says a scientist at the University of Illinois at Urbana-Champaign who tested samples on mammalian cells. The discovery raises health-related questi...

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(Date:4/16/2014)... A team that includes scientists from the School ... Center at San Antonio, Johns Hopkins University and St. ... helps a common fungus to infect the body. , ... infections, diaper rashes and oral thrush, and is the ... also cause a life-threatening infection of the blood called ...
(Date:4/15/2014)... CORVALLIS, Ore. Handling frozen fish caused nearly half ... quarter of the injuries on freezer-longliner vessels operating off ... University shows. , Many of those injuries and others ... with the right interventions, and the research methods used ... and fatalities in other types of commercial fishing, said ...
(Date:4/14/2014)... made in chemotherapy over the past decade, but targeting ... to be a major challenge. , Nanotechnology has ... use of nanocarriers, or capsules, that can transport cargoes ... , The catch? These carriers are tiny, and it ... from 10 nanometers to 100 nanometers, and the drugs ...
(Date:4/14/2014)... Penicillin, one of the scientific marvels of the 20th ... once won against bacterial infections. But scientists at the ... approach to restoring its combat effectiveness, even against so-called ... power of the penicillin family of drugs since their ... example, the staph infection, brought about by the bacterium ...
(Date:4/14/2014)... 2014 Popular web information on colorectal cancer is ... doesn,t address the appropriate risks to and concerns of ... suggests. , In a review of a dozen popular ... colorectal cancer screening were written beyond the recommended sixth-grade ... address key risks, as well as the barriers to ...
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