March, 1995

Minimate | Study | Report | Publication | Announcement | Air Purification
Mounting Evidence Suggests Coronavirus is Airborne

Mounting Evidence Suggests Coronavirus is Airborne

Authentic Wein® Air Purifiers Can Help Now that Covid-19 is being recognized as a potential airborne hazard- with micro droplets under 5 microns in size that can remain airborne and travel great distances- you must not... read more >

Notice | Announcement | Air Purification | Covidex
Wein Products is Pleased to Announce the Introduction of Kovidex Coming Soon!

Wein Products is Pleased to Announce the Introduction of Kovidex Coming Soon!

Kovidex table top electrodynamic plasma virus remover and air cleaner, available first quarter 2021 Virologists believe Viruses are transmitted to others in sneezes and coughs and even normal breathing and talking.  These exchanges can... read more >

Lab Test | Study | Report | Comparison | Covidex
Kovidex Air Purifier Virus Removal Efficiency

Kovidex Air Purifier Virus Removal Efficiency

Dear Mr. Weinberg It is exciting to see a removal efficiency of 98 to 99+ % which your Kovidex unit achieves. A very substantial removal level for particles in the size range of COVID-19 novel corona virus. ... read more >

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 >

Vortex | Minimate | Report | Announcement | Air Purification
Coronavirus: What is it and How to Reduce the Risk of Infection

Coronavirus: What is it and How to Reduce the Risk of Infection

Help combat airborne viruses with the Wein® Air Supply® Rechargeable and Minimate. The United States recently issued the highest level travel advisory for China over the rapidly spreading outbreak of coronavirus. Delta and United... read more >

Vortex | Study | Air Purification | Comparison
HEPA Filter vs. Ionic Air Purifier

HEPA Filter vs. Ionic Air Purifier

How do HEPA air purifiers compare to filterless ionic air purifiers?  Researching which air purifier to buy can be a tedious task. There are multiple types, a wide variety of prices and consideration of the... 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 | Announcement
The Flu Virus Dangers

The Flu Virus Dangers

Many people think Influenza is just a seasonal nuisance. It is not just a nuisance . It is ONE OF THE WORST VIRAL INFECTIONS KNOWN TO MAN! Even with modern Man's advanced medical technology, it kills... read more >

Minimate | Report | Oprah | Interview | Air Purification
Oprah Interviews a School Student Who Uses a Personal Air Purifier to Relieve Her Allergies in School

Oprah Interviews a School Student Who Uses a Personal Air Purifier to Relieve Her Allergies in School

  Oprah Interviews a School Student Who Uses a Personal Air Purifier to Relieve Her Allergies in School   ... read more >

Vortex | EAC | Lab Test | Face Mask
How To Increase The Protection Factor Provided By Existing Facepiece Respirators Against Airborne Viruses: A Novel Approach

How To Increase The Protection Factor Provided By Existing Facepiece Respirators Against Airborne Viruses: A Novel Approach

SER GEY A. GRINSHPUN, BYUNG UK LEE, MJKHAlL YERMAKOV, and ROY MCKAY Center for Health-Related Aerosol Studies, Occupational Pulmonary Services Department of Environmental Health, University of Cincinnati, Cincinnati, OH 45267-0056, U.S.A.  Keywords: RESPIRATOR,... 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 >

Vortex | Minimate | Allertech Lab | Lab Test | Study | Letter | Air Purification | Face Mask
Allertech Laboratory, INC. Gives Opinion on Operational Characteristics of Air Supply® Ionic Technology Products

Allertech Laboratory, INC. Gives Opinion on Operational Characteristics of Air Supply® Ionic Technology Products

Allertech Laboratory, INC. I have been asked to render my opinion on studies examining the operational characteristics of Air Supply ionic technology products, including the AS180i Minimate* personal wearable device and the Vortex VI-3500* room... 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 BAŁAZY1,2, 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 | Sanimate | Automate | CHRAS | Aerosol Science | Lab Test | Journal | Air Purification
Evaluation of ionic air purifiers for reducing aerosol exposure in confined indoor spaces

Evaluation of ionic air purifiers for reducing aerosol exposure in confined indoor spaces

Indoor Air 2005 www.blackwellpublishing.com S. A. Grinshpun, G. Mainelis, M. Trunov, A. Adhikari, T. Reponen, K. Willeke Center for Health-Related Aerosol Studies, Department of Environmental Health; University of Cincinnati, Ohio, USA. Present address Department of... 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 >

Vortex | Minimate | Automate | Letter
Dr. Gabor Lantos Supports Ionic Technology For Avoiding Airborne Allergens and Asthma

Dr. Gabor Lantos Supports Ionic Technology For Avoiding Airborne Allergens and Asthma

Dear Colleague:   I wish to bring to your attention an effective and inexpensive physical modality to reduce the risks from airborne respiratory pathogens and allergens. A year ago I was asked by Jorley Distributing Inc.,... 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 >

Vortex | Minimate | CHRAS | Lab Test | Study | Air Purification
Evaluation of the Ionic Purification Efficiency by the Electrical Low Pressure Impactor (ELPI)

Evaluation of the Ionic Purification Efficiency by the Electrical Low Pressure Impactor (ELPI)

Byung Uk Lee, Mikhail Yermakov, Sergey A. Grinshpun Center for Health-Related Aerosol Studies, Dept. of Environmental Health, University of Cincinnati, Cincinnati, OH, USA   Introduction and Objective The ion emission has been shown to reduce the... 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 >

AIHce | Lab Test | Report | Publication | Journal
The Premier Conference and Exposition for Occupational and Environmental Health and Safety Professionals

The Premier Conference and Exposition for Occupational and Environmental Health and Safety Professionals

American Industrial Hygiene Conference & Expo 2004    Droplet Deposition In Industrial Duct Bends T. Peters, D. Leith, University of North Carolina, Chapel Hill, NC. A study of droplet deposition in industrial duct bends is presented.... read more >

Vortex | OHMS | Study | Letter | Face Mask
Dr. Gabor Lantos Introductory Letter for Ionic Technology Reducing Risks of Airborne Respiratory Pathogens and Viruses

Dr. Gabor Lantos Introductory Letter for Ionic Technology Reducing Risks of Airborne Respiratory Pathogens and Viruses

Dr. Gabor Lantos MD.P.ENG.MBA Head of Occupational Health Management Services Inc. Toronto, Barries, London, Vancouver   Dear Mr. Weinberg: You have asked me for my professional opinion regarding the potential use of 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 | Lab Test | Letter | Face Mask
Alexander Zakhartchouk and Marat Khodoun Give Their Opinion On How to Reduce the Spread of SARS

Alexander Zakhartchouk and Marat Khodoun Give Their Opinion On How to Reduce the Spread of SARS

Dear Mr. Weinberg: This letter is written in response to your request and expresses our professional opinion regarding physical and biological properties of the coronavirus, its infectious pathways, and possible methods to decrease the risk of... 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 >

Minimate | EAC | Aerosol Science | Journal | Air Purification
Effect of Wearable Ionizers on the Concentration of Respirable Airborne Particles and Microorganisms

Effect of Wearable Ionizers on the Concentration of Respirable Airborne Particles and Microorganisms

Volume 32, Supplement 1 Journal of Aerosol Science Abstracts of the European Aerosol Conference 2001 S.A. GRINSHPUN. G. MAINELIS. T. REPONEN. K. WILLEKE. M.A. TRUNOV and A. ADHIKARY Center for Health-Related Aerosol Studies. Department of Environmental... read more >

Minimate | EPA | Study
Treatment of Allergic Fungal SinusItis by Decreasing the Environmental Air Fungal Load

Treatment of Allergic Fungal SinusItis by Decreasing the Environmental Air Fungal Load

By Donald P. Dennis, M.D., F.A.C.S.   Treatment Strategy In September 1999 Mayo Clinic published an article that pegs 93% of all chronic sinusitis as being caused by mold. The mechanism of formation... read more >

Minimate | Study | Report | Interview | Dateline | Air Purification
‘Dateline’ and Good Housekeeping put a Wein® Minimate™ to the Test

‘Dateline’ and Good Housekeeping put a Wein® Minimate™ to the Test

  In a "Dateline NBC"/Good Housekeeping exclusive, Hoda Kotbe reports on some of the wacky products you can buy today. Transcript: It’s hard to resist those high-tech gizmos you see in... read more >

WeinCell | Report | Publication | Popular Photography
Is There Finally a Replacement for Mercury Cells? It Looks that Way, But it Sure Took Some Doing

Is There Finally a Replacement for Mercury Cells? It Looks that Way, But it Sure Took Some Doing

Popular Photography Phototronics Finally! Wein develops a replacement for mercury cells. James Bailey   No subject that I’ve written about lo these many years has raised the hackles of so many readers of this... read more >