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Minimate | CDC | UofC | CHRAS | EPA | Lab Test | Air Purification
Ozone & Air Supply History

Ozone & Air Supply History

How our air purifiers help destroy viruses, including COVID-19 In 1996 Wein Products invented the Minimate Air Supply AS150MM and filed 4 US patents. Since then, Air Supply wearable Minimates have been there... read more >

UofC | EPA | Lab Test | Study | Letter | Journal
Second Hand Cigarette Smoke

Second Hand Cigarette Smoke

The EPA announces nearly 100 Million People are breathing particulates daily.    Regarding Second Hand Smoke: Second Hand Smoke has been classified by the EPA as a "Group A" human carcinogen meaning there is... read more >

CDC | UofC | DofEH | EPA | Journal | Face Mask
Respiratory Protection Provided by N95 Filtering Facepiece Respirators Against Airborne Dust and Microorganisms in Agricultural Farms

Respiratory Protection Provided by N95 Filtering Facepiece Respirators Against Airborne Dust and Microorganisms in Agricultural Farms

Journal of Occupational and Environmental Hygiene 2: 577–585 ISSN: 1545-9624 print / 1545-9632 online Shu-An Lee, Atin Adhikari, Sergey A. Grinshpun, Roy McKay, Rakesh Shukla, Haoyue Li Zeigler, and Tiina Reponen University of Cincinnati, Department of Environmental Health,... read more >

UofC | CHRAS | DofEH | Aerosol Science | Lab Test | Study | Air Purification | Face Mask
Manikin-Based Performance Evaluation of N95 Filtering-Facepiece Respirators Challenged with Nanoparticles

Manikin-Based Performance Evaluation of N95 Filtering-Facepiece Respirators Challenged with Nanoparticles

ANNA BAƁAZY1,2, MIKA TOIVOLA1, TIINA REPONEN1, ALBERT PODGÓRSKI2, ANTHONY ZIMMER3 and SERGEY A. GRINSHPUN1 1Department of Environmental Health, Center for Health-Related Aerosol Studies, University of Cincinnati, Cincinnati, OH 45267-0056, USA; 2Department of Chemical... read more >

Vortex | Minimate | UofC | CHRAS | DofEH | Aerosol Science | Study | Face Mask
Filtering Efficiency of N95- and R95-Type Facepiece Respirators, Dust-Mist Facepiece Respirators, and Surgical Masks Operating in Unipolarly Ionized Indoor Air Environments

Filtering Efficiency of N95- and R95-Type Facepiece Respirators, Dust-Mist Facepiece Respirators, and Surgical Masks Operating in Unipolarly Ionized Indoor Air Environments

Byung Uk Lee, Mikhail Yermakov, Sergey A. Grinshpun Center for Health-Related Aerosol Studies Department of Environmental Health, University of Cincinnati 3223 Eden Avenue, PO Box 670056, Cincinnati, Ohio 45267-0056, US.A Present address: Environment & Process Technology... read more >

CDC | UofC | CHRAS | Aerosol Science | Lab Test | Air Purification
CDC Workshop on Respiratory Protection for Airborne Infectious Agents

CDC Workshop on Respiratory Protection for Airborne Infectious Agents

Agenda and Abstracts Respirator Performance with Infectious Agents   SA Grinshpun Center for Health-Related Aerosol Studies, University of Cincinnati, Cincinnati, OH.   Respirators are widely used to reduce the human exposure to aerosol particles, including airborne... read more >

UofC | DofEH | EPA | Lab Test
Respiratory Protection Against Airborne Biological Agents

Respiratory Protection Against Airborne Biological Agents

Presented by: City of Cincinnati University of Cincinnati U. S. Environmental Protection Agency Veterans Affairs (VA) Medical Center   Sergey A. Grinshpun and Tiina Reponen  Department of Environmental Health, University of Cincinnati, Cincinnati, Ohio, U... read more >

Vortex | Minimate | UofC | CHRAS | Aerosol Science | Lab Test | Air Purification
Indoor Air Purification by Ionic Emission

Indoor Air Purification by Ionic Emission

Air Pollution XII   Editor C.A.Brebbia Wessex Institute of Technology, UK S. A. Grinshpun, A. Adhikari, B. U. Lee, M. Trunov, G. Mainelis, M. Yermakov & T. Reponen Center for Health-Related Aerosol Studies,... read more >

Minimate | UofC | DofEH | Lab Test | Study | Air Purification
Removal of fine and ultrafine particles from indoor air environments by the unipolar ion emission

Removal of fine and ultrafine particles from indoor air environments by the unipolar ion emission

Atmospheric Environment   Byung Uk Lee, Mikhail Yermakov, Sergey A. Grinshpun Department of Environmental Health, Center for Health-Related Aerosol Studies. University of Cincinnati, 3223 Eden Avenue, P.O. Box 670056, Cincinnati OH 45267-0056 USA   Abstract The continuous... read more >

Vortex | CDC | UofC | DofEH | Aerosol Science | Lab Test | Air Purification | Face Mask
Unipolar Ion Emission Enhances Respiratory Protection Against Fine and Ultrafine Particles

Unipolar Ion Emission Enhances Respiratory Protection Against Fine and Ultrafine Particles

Atmospheric Environment   Byung Uk Lee, Mikhail Yermakov, Sergey A. Grinshpun Department of Environmental Health, Center for Health-Related Aerosol Studies, University of Cincinnati   Abstract We developed a novel concept that allows to considerably improve the... read more >

Vortex | Minimate | Sanimate | Automate | UofC | Letter | Face Mask
University of Cincinnati Medical Center Report On the Performance of Surgical Masks Operating with the Wein Air Purifiers

University of Cincinnati Medical Center Report On the Performance of Surgical Masks Operating with the Wein Air Purifiers

Environmental Health Foundation Department of Environmental Health University of Cincinnati   Dear Mr. Weinberg This memo is to summarize the results of the Phase 1 tests that have recently been performed with surgical masks sealed to... read more >

Vortex | Minimate | Automate | CDC | UofC | DofEH | Lab Test | Study | Letter | Face Mask
Sergey A. Grinshpun Letter Affirming Effectiveness of Ion Generating Equipment on SARS, Anthrax and Smallpox

Sergey A. Grinshpun Letter Affirming Effectiveness of Ion Generating Equipment on SARS, Anthrax and Smallpox

University of Cincinnati Medical Center Department of Environmental Health University of Cincinnati   Mr. Stanley Weinberg Wein Products Inc. Dear Mr. Weinberg, You have requested a letter expressing my opinion as to whether the findings on... read more >

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