Current Disinfection News and Events

Current Disinfection News and Events, Disinfection News Articles.
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Safe ultraviolet light could be used to sterilise high-risk COVID-19 environments
Research at Cranfield University is paving the way for a new solution to kill aerosolised COVID-19 in enclosed environments such as hospitals and long-term care facilities. Computational modelling has shown that low dose far-ultraviolet C (UVC) lighting can be used to disinfect in-room air, increasing disinfection rates by 50-85% compared to a room's ventilation alone. (2020-11-26)

Nature's toolkit for killing viruses and bacteria
Engineers reveal how zinc oxide nanoneedles and droplet hydrodynamics can stop pathogens. (2020-11-23)

Environmental scientists' new ozonation method treats water from antibiotic residues
Clean drinking water is considered to be one of the earth's most precious and threatened resources. Recent studies show that increasing concentrations of pharmaceuticals can be found in surface waters, which can end up in drinking water. TalTech environmental scientists are looking for ways to treat drinking water from hazardous pharmaceutical residues. (2020-11-17)

Existing UV light technology has potential to reduce Covid-19 transmission indoors
A recent study has shown that a UV light technology already used to prevent the spread of other airborne diseases in buildings has the potential to be effective against Covid-19. (2020-11-17)

COVID-19 triggers OCD in children and young people
Many children and young people with obsessive thoughts and compulsions experience that their OCD, anxiety and depressive symptoms worsen during a crisis such as COVID-19. This is shown by a new research result from Aarhus University and the Centre for Child and Adolescent Psychiatry, Central Denmark Region. The findings have been published in BMC Psychiatry. (2020-11-09)

NRL researchers evaluate ultraviolet sources, combat COVID-19
NRL researchers evaluated commercial ultraviolet (UV) sources for viral disinfection to combat COVID-19 on land and at sea, and established a dedicated UV characterization lab in five days. (2020-10-22)

Study shows first proof that a safer UV light effectively kills virus causing COVID-19
Researchers offer first proof that Ultraviolet C light with a 222 nm wavelength -- which is safer to use around humans -- effectively kills the SARS-CoV-2 virus. (2020-09-17)

Viruses could be harder to kill after adapting to warm environments
Enteroviruses and other pathogenic viruses that make their way into surface waters can be inactivated by heat, sunshine and other microbes, thereby reducing their ability to spread disease. But researchers report in ACS' Environmental Science & Technology that global warming could cause viruses to evolve, rendering them less susceptible to these and other disinfectants, such as chlorine. (2020-09-02)

Farmers' quick sale of poultry during outbreaks may increase deadly virus transmission
Small-scale poultry farmers in Vietnam tend to respond to viral outbreaks of highly pathogenic avian influenza (HPAI) by rapidly selling their birds as a way to avoid financial loss, according to a new study by an international team of researchers. As these birds are commingled with other birds in markets and trading networks, this practice may increase the likelihood of widespread disease transmission. (2020-08-28)

Low-cost moist heat treatment of N95 masks eliminates SARS-CoV-2, bacteria
A new study shows that moist heat treatment of N95 masks eliminates severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and bacteria, which would allow reuse of these scarce resources. The study is published in CMAJ (Canadian Medical Association Journal) https://www.cmaj.ca/content/early/2020/07/30/cmaj.201203. (2020-07-31)

Shrinking (ultra)violet
Scientists at the National Institute of Standards and Technology (NIST) report the technical details of pioneering research they conducted on the disinfection of drinking water using ultraviolet (UV) light. (2020-07-22)

81 million Americans lacking space or bathrooms to follow COVID quarantine recommendations
New research shows that 25 million dwellings housing 81 million Americans -- more than one in five homes -- lack adequate space or plumbing to comply with recommendations that a person exposed to COVID-19 maintain physical separation from household members. The proportion of unsuitable homes is higher among low-income and minority households: 46% of Latinx, 43% of Native Americans, and 32% of Black Americans live in such dwellings, compared to less than 20% of whites. (2020-07-21)

In one hour, surface coating inactivates virus that causes COVID-19
A chemical engineering professor at Virginia Tech has developed a surface coating that, when painted on common objects, inactivates SARS-CoV-2, the virus that causes COVID-19. (2020-07-15)

Autoclaving, alcohol not the best options for disinfecting, reusing face masks
Two widely available sterilization methods to clean disposable surgical masks and N95 respirators may not be the best options for hospitals needing to extend the life of personal protective equipment. (2020-07-13)

Scientists support the use of ultraviolet light to reduce SARS-CoV-2 transmission indoors
An international team of researchers advocates the use of UV-C light in indoor spaces as a way to reduce the transmission of SARS-CoV-2 viruses. This solution meets the requirements of fast, scalable, and affordable implementation to fulfill the needs of disinfecting working spaces, such as offices, schools, healthcare facilities, and public transportation, to name a few. (2020-06-22)

Nanofiber masks can be sterilized multiple times without filter performance deterioration
There is a worldwide shortage of N95 masks. Scientists tested the effectiveness of reusing masks through disinfection with ethanol. They were able to verify that nanofiber nonwoven masks and filters can be sterilized multiple times at home without deterioration of the particulate collection performance. (2020-06-17)

Anaerobically disinfect soil to increase phosphorus using diluted ethanol
Anaerobic disinfection of soil is an effective method to kill unwanted bacteria, parasites and weeds without using chemical pesticides. Scientists in Japan were able to show that it also increases the availability of useable phosphorus. (2020-06-15)

Elastomeric masks provide a more durable, less costly option for health care workers
A cost-effective strategy for health care systems to offset N95 mask shortages due to COVID-19 is to switch to reusable elastomeric respirator masks. (2020-06-12)

Substandard hand sanitizers readily available on market, confirm pharmacists
AN INTERNATIONAL team of pharmacy experts has researched the effectiveness of hand sanitisers in the fight against CoViD-19 and warned the public to beware of sub-standard products. They have also provided detailed 'recipes' for the manufacture of effective hand sanitising gels and explained the science behind them. (2020-06-11)

Killing coronavirus with handheld ultraviolet light device may be feasible
A personal, handheld device emitting high-intensity ultraviolet light to disinfect areas by killing the novel coronavirus is now feasible, according to researchers at Penn State, the University of Minnesota and two Japanese universities. (2020-06-01)

Wearing face masks at home might help ward off COVID-19 spread among family members
Wearing face masks at home might help ward off the spread of COVID-19 infection among family members living in the same household, but only before symptoms develop, suggests a study of Chinese families in Beijing, accepted for publication in BMJ Global Health. (2020-05-28)

AJR details COVID-19 infection control, radiographer protection in CT exam areas
In an open-access article published ahead-of-print by the American Journal of Roentgenology (AJR), a team of Chinese radiologists discuss modifications to the CT examination process and strict disinfection of examination rooms, while outlining personal protection measures for radiographers during the coronavirus disease (COVID-19) outbreak. (2020-05-15)

Heating could be the best way to disinfect N95 masks for reuse
Since the outbreak of the COVID-19 pandemic, N95 face masks have been in short supply. Health care workers, in particular, desperately need these masks to protect themselves from the respiratory droplets of infected patients. But because of the shortage, many have to wear the same mask repeatedly. Now, researchers reporting in ACS Nano have tested several methods for disinfecting N95 materials, finding that heating them preserves their filtration efficiency for 50 cycles of disinfection. (2020-05-05)

Surgeons help create new process for disinfecting and reusing N95 masks
Amid shortages of personal protective equipment due to the COVID-19 pandemic, a St. Louis health care system has implemented a process to disinfect disposable N95 respirator masks that allows health care workers to reuse their own mask for up to 20 cycles. (2020-04-28)

WHO-recommended disinfectants are effective against novel coronavirus
When used correctly, both alcohol-based hand disinfectants recommended by the World Health Organization (WHO) are effective against the novel coronavirus Sars-Cov-2, as confirmed by an international research team headed by Professor Stephanie Pfänder from the Department of Molecular and Medical Virology at Ruhr-Universität Bochum (RUB). The journal Emerging Infectious Diseases published the relevant article in its online edition on April 13, 2020. (2020-04-16)

The power of light
As COVID-19 continues to ravage global populations, the world is singularly focused on finding ways to battle the novel coronavirus. That includes the UC Santa Barbara's Solid State Lighting & Energy Electronics Center (SSLEEC) and member companies. Researchers there are developing ultraviolet LEDs that have the ability to decontaminate surfaces -- and potentially air and water -- that have come in contact with the SARS-CoV-2 virus. (2020-04-14)

Successful online management of COVID-19 infection
A team of researchers in Wuhan, China have developed a multidisciplinary self-managed home quarantine method that was effective in controlling the source of COVID-19 infection and was useful in alleviating the shortage of medical resources. (2020-04-07)

Study shows how diligent we have to be to keep surfaces germ-free
A recent study suggests that even organized efforts to clean surfaces can fall short, a reminder for us all that keeping our surroundings clean may require some additional work. (2020-03-25)

How robots can help combat COVID-19: Science Robotics editorial
Can robots be effective tools in combating the COVID-19 pandemic? A group of leaders in the field of robotics say yes, and outline a number of examples in an editorial in the March 25 issue of Science Robotics. They say robots can be used for clinical care such as telemedicine and decontamination; logistics such as delivery and handling of contaminated waste; and reconnaissance such as monitoring compliance with voluntary quarantines. (2020-03-25)

New research shows promise to treat female group A streptococcus genital tract infections
Puerperal sepsis, also known as childbed fever, is the leading cause of maternal deaths. In this novel study in The American Journal of Pathology, published by Elsevier, scientists report on the discovery of group A streptococcus (GAS) surface proteins involved in female reproductive tract infections such as puerperal sepsis that may pave the way to developing vaccines and more effective treatments. (2020-03-19)

Study shows UV technology raises the standard in disinfecting ORs and medical equipment
Ultraviolet (UV) technology developed by the New York-based firm PurpleSun Inc. eliminates more than 96 percent of pathogens in operating rooms (ORs) and on medical equipment, compared to 38 percent using manual cleaning methods that rely on chemicals to disinfect surfaces, according to a study published this month in the American Journal of Infection Control (AJIC). (2020-02-20)

How long coronaviruses persist on surfaces and how to inactivate them
How long do corona viruses persist on surfaces such as door handles or hospital bedside tables? Which methods can be used to kill them effectively? A research team from Greifswald and Bochum has compiled all published data that are known to researchers today and published them in the Journal of Hospital Infection on 6 February 2020. (2020-02-07)

Treating wastewater with ozone could convert pharmaceuticals into toxic compounds
With water scarcity intensifying, wastewater treatment and reuse are gaining popularity. But some methods for killing microbes in wastewater create disinfection byproducts (DBPs) that could be harmful to human health. Now researchers have found that ozone treatment and subsequent chlorination can convert trace amounts of some pharmaceuticals in wastewater into DBPs called halonitromethanes. They report their results in Environmental Science & Technology. (2020-02-05)

What's in your water?
Mixing drinking water with chlorine, the United States' most common method of disinfecting drinking water, creates previously unidentified toxic byproducts, says Carsten Prasse from Johns Hopkins University and his collaborators from the University of California, Berkeley and Switzerland. (2020-01-28)

Exposure to chemicals in drinking water associated with 5% of annual bladder cancer burden in Europe
Macro study analyzes for the first time the presence and health impact of trihalomethanes in tap water in 26 European Union countries. (2020-01-15)

Hospital disinfectants struggling to kill C. diff bacteria colonies
The deadly superbug, Clostridioides difficile (C. diff), is putting up a winning fight against hospital-grade disinfectants meant to kill it, reports UH pharmacy professor Kevin Garey in a study that helps explain why C. diff is so hard to eradicate. The survival of C. diff in hospitals and nursing homes is especially hazardous -- within one month of diagnosis, one in 11 people over age 65 died of a health care-associated C. diff infection. (2019-11-06)

Study estimates more than 100,000 cancer cases could stem from contaminants in tap water
A toxic cocktail of chemical pollutants in US drinking water could result in more than 100,000 cancer cases, according to a peer-reviewed study from Environmental Working Group -- the first study to conduct a cumulative assessment of cancer risks due to 22 carcinogenic contaminants found in drinking water nationwide. (2019-09-19)

Paper filter from local algae could save millions of lives in Bangladesh
The problem of access to safe drinking water in most parts of Bangladesh is a persistent challenge. Now, a team of scientists from Uppsala University, Sweden, and Dhaka University, Bangladesh, shows that a locally growing and previously unexploited green macroalgae species could be used to extract cellulose nanofibers, which can then be formed into paper sheets with tailored pore size that are utilized for point-of-use water treatment. (2019-08-18)

Diving into water treatment strategies for swimming pools
With summer in full swing, many people are cooling off in swimming pools. However, some of the substances that are made when chlorine in the water reacts with compounds in human sweat, urine or dirt aren't so refreshing. Now, researchers have compared the effectiveness of different water treatment processes in mitigating these so-called disinfection byproducts (DBPs). They report their results in ACS' journal Environmental Science & Technology. (2019-06-26)

Paper stickers to monitor pathogens are more effective than swabs
Using paper stickers to collect pathogens on surfaces where antisepsis is required, such as in food processing plants, is easier, and less expensive than swabbing, yet similarly sensitive. The research is published in Applied and Environmental Microbiology, a journal of the American Society for Microbiology. (2019-05-24)

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