Study proves the efficacy of a nanomaterials-based disinfectant developed to combat the spread of COVID-19

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attributed to him: Applied Materials and ACS Interfaces (2022). DOI: 10.1021 / acsami.2c11653

A team of University of California researchers in the United States has demonstrated the effectiveness of a nanomaterials-based disinfectant they developed to combat the spread of the COVID-19 virus. Through their experiments, they found that the disinfectant is able to kill many dangerous viruses including SARS and Zika. The findings of their findings were recently published in Applied Materials and ACS Interfaces.

“It is always a pleasure to have our research work featured in a prestigious journal,” said Udit Kumar, a doctoral student in the Department of Materials Science and Engineering (MSE) and lead author of the journal article. “Given the topic of antiviral research and its potential impact at the moment, our article will certainly help in our fight against global pandemics.”

The paper outlines the latest study by an interdisciplinary team of researchers that includes Sudipta Seal, chair of the MSE division, and Griff Parks, a medical school virologist and director of the Burnett College of Biomedical Sciences. They experimented with nanoscale yttrium silicate, which has antiviral properties that are activated by white light, such as sunlight or LED lights. As long as there is a constant source of light, the antiviral properties regenerate, creating a self-disinfectant for surfaces.

“Yttrium silicate acts as a silent killer, with antiviral properties that are constantly recharged by light,” Kumar says. “It is more effective in reducing the spread of many viruses from surface to surface.”

Kumar says their testing of yttrium silicate in the White light Disinfect surfaces with high viral loads in about 30 minutes. In addition, the nanomaterial was able to combat the spread of other viruses including parainfluenza, vesicular stomatitis, rhinovirus, Zika and SARS.

“This disinfection technology is an important feat for both engineering and health because we have all been affected during the pandemic,” Sell says. “COVID is still going on and who knows what other diseases are on the horizon.”

Other UCSD researchers, including medical school postdoctoral researcher Candice Fox, and nanotechnology student Balashwin Babu Materials science and engineering student Eric Marcelo, co-authors of the paper.

“This publication is the culmination of timely insight by the investigators regarding the importance of rapid development of broad-spectrum antimicrobials, as well as hard work in the laboratory to demonstrate the efficacy of our new materials,” Parks says. “This is an outstanding example of the power of interdisciplinary research – in this case, the materials science and microbiology researchers from CECS and COM.”

Long-lasting disinfectant promises to help fight epidemics

more information:
Udit Kumar et al, Effective inhibition of human respiratory viruses including SARS-CoV-2 by a self-cleaning antiviral coating, Applied Materials and ACS Interfaces (2022). DOI: 10.1021 / acsami.2c11653

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