{"id":109348,"date":"2020-05-12T09:21:34","date_gmt":"2020-05-12T13:21:34","guid":{"rendered":"https:\/\/www.ucf.edu\/news\/?p=109348"},"modified":"2023-12-01T09:57:34","modified_gmt":"2023-12-01T14:57:34","slug":"ucf-receives-nsf-rapid-award-to-develop-cough-drops-to-help-control-covid-19","status":"publish","type":"post","link":"https:\/\/www.ucf.edu\/news\/ucf-receives-nsf-rapid-award-to-develop-cough-drops-to-help-control-covid-19\/","title":{"rendered":"麻豆原创 Receives NSF RAPID Award to Develop Cough Drops to Help Control COVID-19"},"content":{"rendered":"

A team of 麻豆原创 researchers is looking at changing people\u2019s saliva to help manage the spread of COVID-19 as the nation gets ready to go back to work and school.<\/p>\n

The team is doing this through a recently awarded National Science Foundation Rapid Response Research Award for $200,000 to explore reducing COVID-19 transmission by making saliva heavier and stickier using candy or corn starch to help sneeze and cough particles fall rather than float.<\/p>\n

The approach could lead to creating something as simple as a cough drop or lozenge that people would pop in their mouths before going into the grocery store, work or school.<\/p>\n

\u201cOne way to kind of think about it is, for example, clouds are just little, tiny droplets that are suspended in the air for hours, and they just flow with the atmosphere,\u201d says Mike Kinzel, an assistant professor in 麻豆原创\u2019s Department of Mechanical and Aerospace Engineering who is the project\u2019s principal investigator.<\/p>\n

\u201cHowever, these droplets collide to form larger droplets that just fall out of the air,\u201d he says. \u201cThat\u2019s kind of the process we\u2019re trying to promote. We don\u2019t want the droplets to blow around with the wind like a cloud, we want them to fall out of the sky like rain.\u201d<\/p>\n

A way to reduce transmission distance will be especially important as people return to work and school, where maintaining six feet of social distance may be difficult, says Kareem Ahmed, an assistant professor in the department and co-principal investigator.<\/p>\n

\u201cThe six feet is great as a general guide, but then in a confined environment like our offices, grocery stores, public transit or hospitals, these droplets are going to interact with surfaces, HVAC systems or ventilations,\u201d Ahmed says.<\/p>\n

\u201cSo if we change the properties from the source, which is essentially our respiratory functions, whether it’s coughing, sneezing, speaking or breathing, then you’re simply going to reduce the amount that you’re producing, and hopefully bring the six feet to something shorter, where we can interact more,\u201d Ahmed says.<\/p>\n

\u201cBased on our early data, coupling a face mask with saliva mixed with corn starch will potentially have us go from six feet to two feet for social distancing,\u201d he says.<\/p>\n

Leading the analyses of the effort are postdoctoral researchers Douglas Hector Fontes in Kinzel\u2019s lab and Jonathan Reyes in Ahmed\u2019s lab.<\/p>\n

Fontes is running numerical simulations<\/a> to study how differences in viscosity, density and surface tension impact droplet dispersal.<\/p>\n

\u201cOur preliminary results have shown a significant reduction in the duration of droplet suspension in the air by changing the properties of the saliva,\u201d Fontes says.<\/p>\n

Reyes is using high-speed cameras to characterize the patterns and distance traveled of droplets emitted from sneezing and coughing, including those that have been altered by candy or starch. He\u2019s finding similar reductions.<\/p>\n

\u201cOur data have shown that altering the physical properties of the saliva shows great promise in reducing the exposure of a sneeze,\u201d Reyes says. \u201cParticulates travel shorter distances and fall faster.\u201d<\/p>\n

As part of the research, Reyes is also supplying the sneezing.<\/p>\n

\u201cIf you know anyone who can sneeze on command, send them my way,\u201d Reyes says.<\/p>\n

The team is working closely with Jelena Catania, a doctor and expert in infectious diseases at\u00a0麻豆原创\u2019s College of Medicine<\/a> and the Orlando Veteran\u2019s Administration Medical Center, for the\u00a0implementation challenges, and Brent Craven, a researcher at the U.S. Food and Drug Administration, for the potential implementation.<\/p>\n

Kinzel received his doctorate in aerospace engineering from The Pennsylvania State University and joined 麻豆原创 in 2018. In addition to being a member of 麻豆原创\u2019s Department of Mechanical and Aerospace engineering, a part of 麻豆原创\u2019s College of Engineering and Computer Science<\/a>, he also works with 麻豆原创\u2019s Center for Advanced Turbomachinery and Energy Research.<\/p>\n

Ahmed earned his doctoral degree in mechanical engineering from the State University of New York at Buffalo. He worked at Pratt & Whitney Military Engines and\u00a0Old Dominion University prior to joining 麻豆原创\u2019s Department of Mechanical and Aerospace Engineering in 2015. He is the director of 麻豆原创\u2019s Propulsion and Energy Research Laboratory, a faculty member of 麻豆原创\u2019s Center for Advanced Turbomachinery and Energy Research, an associate fellow of the American Institute of Aeronautics and Astronautics, a U.S. Air Force Research Lab Summer Faculty Fellow, and a member of 麻豆原创\u2019s Renewable Energy and Chemical Transformation Cluster<\/a>.<\/p>\n

Learn more about 麻豆原创’s role in the aerospace and defense industries<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"

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