Related Experiment Video
Updated: Jul 20, 2025

07:13
Swabbing the Urban Environment - A Pipeline for Sampling and Detection of SARS-CoV-2 From Environmental Reservoirs
Published on: April 9, 2021
4.3K
SARS-CoV-2 Inactivation in Aerosol by Means of Radiated Microwaves
Antonio Manna1, Davide De Forni2, Marco Bartocci1
1Elettronica S.p.A., Via Tiburtina Valeria, Km 13.700, 00131 Rome, Italy.
Viruses
|July 29, 2023
Summary
Radio Frequency (RF) wave emission effectively inactivates SARS-CoV-2, reducing infectivity by 90%. This safe, novel method shows potential for airborne virus control in occupied spaces.
Area of Science:
- Virology
- Electromagnetic Wave Applications
- Public Health
Background:
- Coronaviruses, including SARS-CoV-2, cause respiratory infections, with air transmission being a primary infection route.
- Existing methods for controlling airborne pathogens may have limitations in occupied environments.
- The need for safe and effective methods to reduce SARS-CoV-2 transmission is critical.
Purpose of the Study:
- To develop and evaluate a novel method for inactivating airborne SARS-CoV-2 using electromagnetic waves.
- To determine the efficacy of Radio Frequency (RF) wave emission in reducing viral infectivity.
- To assess the safety of the proposed method for use in environments with human and animal presence.
Main Methods:
- Optimization of RF wave propagation conditions in a controlled laboratory setting.
- Mimicking natural airborne virus transmission scenarios.
- Exposure of SARS-CoV-2 to specific RF wave emissions and subsequent infectivity testing.
Main Results:
- Consistent 90% (tenfold) reduction in SARS-CoV-2 infectivity achieved after short RF wave treatment.
- RF wave emission power levels were determined to be safe for humans and animals according to international regulatory standards.
- Demonstrated inactivation of SARS-CoV-2 under conditions compatible with cohabitation of people and animals.
Conclusions:
- RF wave emission presents a novel and effective strategy for inactivating airborne SARS-CoV-2.
- The method is safe and potentially applicable in various environments, including those with people and animals.
- Further research is recommended to explore application to other viruses and diverse environmental conditions.
Related Concept Videos
Physical Methods for Controlling Microbial Growth: Radiation and Filtration
54
Radiation and filtration are essential tools for microbial control, targeting microorganisms through distinct mechanisms. Radiation eliminates microbes by damaging their DNA, either killing them or inhibiting their growth. Based on wavelength, radiation is classified into two types: nonionizing and ionizing radiation.Non-ionizing radiation, such as UV radiation (200–400 nm), is absorbed by DNA, causing defects that effectively disinfect surfaces, air, and water, including safety cabinets.
54
Methods of Sterilization I: Physical Methods
20.2K
As used in a healthcare facility, sterilization destroys all microorganisms through physical or chemical methods. The physical method includes steam, dry heat, boiling water, and radiation.
Steam sterilization uses non-toxic, low-cost moist heat in the form of saturated steam under pressure, which is fast, microbicidal, and sporicidal, and quickly warms and penetrates fabrics. Autoclaves, or steam sterilizers, expose each item to direct steam contact for a predetermined time at the necessary...
Steam sterilization uses non-toxic, low-cost moist heat in the form of saturated steam under pressure, which is fast, microbicidal, and sporicidal, and quickly warms and penetrates fabrics. Autoclaves, or steam sterilizers, expose each item to direct steam contact for a predetermined time at the necessary...
20.2K
Physical Methods for Controlling Microbial Growth: Temperature
49
Heat is a widely used method to control microbial growth by targeting and denaturing cellular proteins, thereby killing or inactivating microbes. This method's effectiveness is quantified using parameters such as the thermal death point (TDP), thermal death time (TDT), and decimal reduction time (D value). TDP represents the lowest temperature at which all microorganisms in a liquid suspension are eliminated within 10 minutes, whereas TDT is the time necessary to achieve sterilization at a...
49

