An apparatus for sterilization and purification air using an electron-based disinfection mechanism

An electron-based air purification apparatus effectively neutralizes airborne pathogens by emitting high-velocity electrons, addressing the limitations of traditional systems and improving indoor air quality and health.

WO2026009244A1PCT designated stage Publication Date: 2026-01-08INSTASHIELD INDIA PTE LTD
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Patent Information

Application Number
PCT/IN2025/050975
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-07-04
Filing Date
2025-07-03
Publication Date
2026-01-08

AI Technical Summary

Technical Problem

Existing air purification technologies, such as HEPA filters and UV-based systems, are inadequate in effectively neutralizing airborne pathogens like viruses, bacteria, and fungi, and often pose health risks or require maintenance.

Method used

An electron-based apparatus that emits high-velocity, negatively charged electrons to form a pathogen-inactivating electron cloud, eliminating the need for filters and UV radiation, and ensuring comprehensive disinfection without harmful by-products.

Benefits of technology

The apparatus significantly reduces microbial and viral loads, including up to 36% SARS-CoV-2 reduction in 54 minutes, enhances indoor air quality, and promotes physiological benefits like serotonin normalization and improved oxygen levels, while being maintenance-free and safe for use.

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Abstract

The present invention relates to an electron-based apparatus for indoor air sterilization and purification, designed to neutralize airborne and surface-bound pathogens including viruses, bacteria, and fungi. The apparatus comprises a housing formed by an end cap (101), deco ring (102), top cover (103), bottom plate (108), and base ring (109), enclosing electron emitters mounted on a bobbin (104) and electrically connected via a 3 wire ring (105). A hypercharged electron cannon emits trillions of high-velocity, negatively charged electrons per second, which interact with viral spike proteins and microbial membranes, disrupting pathogen structure and infectivity without using filters, UV, or chemicals. A control box (106) and panel board (107) regulate emission parameters. The system supports plug-and-play operation, remote control, and requires no maintenance. Validated in virology and microbiology labs, it shows significant reductions in SARS-CoV-2 and other microbial loads. The apparatus is suitable for residential, commercial, and medical use, offering a safe and effective disinfection solution.
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Description

[0001] Title of the Invention:

[0002] AN APPARATUS FOR STERILIZATION AND PURIFICATION AIR USING

[0003] AN ELECTRON-BASED DISINFECTION MECHANISM

[0004] FIELD OF INVENTION

[0005] The present invention relates to the field of air purification and sterilization technologies.

[0006] More particularly, it pertains to an electron-based apparatus for indoor air disinfection that neutralizes airborne and surface-associated pathogens such as viruses, bacteria, and fungi. The invention integrates high-velocity electron emission technology with programmable control systems to deliver safe, effective, and maintenance -free sterilization of enclosed environments across residential, commercial, and healthcare settings.

[0007] BACKGROUND OF THE INVENTION

[0008] Air signifies the most essential element life and breathing pure air is crucial for overall health and well-being of humans. The growing levels of outdoor air pollution through various routes has significantly compromised the quality of contemporary life. The urban lifestyle is characterized by people living in densely populated environments, surrounded by diverse kinds of pathogens like viruses, bacteria, fungi and other harmful agents. This places tremendous emphasis on the need for keeping the indoor air free from all pathogens, preventing the transmission of air-borne diseases.

[0009] The emergence of the COVID-19 pandemic caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and its devastating global impact has led to a profound shift in daily life of common people. Further emergence of multiple SARS- CoV-2 variants including Alpha, Beta, Gamma, Delta, Omicron, and the latest XXB. 1.5 has necessitated the disinfection of indoor air, especially in the hospitals and other healthcare settings. The COVID-19 pandemic has not only induced fear but has also led to an escalation in lifestyle disorders such as cardiovascular diseases (CVD) and mental health issues, including stress, depression, and cognitive impairment. Given the continuous evolution of the virus with new variants, experts anticipate its enduring presence. In the ongoing battle against this formidable adversary, various interventions, including vaccines, boosters, medications, masks, sanitizers, and social distancing, have been deployed. However, these measures have exhibited limitations and side effects, prompting the exploration of alternative holistic preventive solutions.

[0010] The majority of the indoor places inhabited by people lack the systems / tools for prevention of spread of airborne pathogens. In the ongoing pursuit of effective technologies to neutralize different pathogens including viruses like SARS-CoV-2 along with bacteria and fungi, certain alternative solutions have been proposed which help to reduce the pathogen loads and / or their pathogenicity in the indoor settings. Some of the widely known techniques / systems that have been developed for this purpose include dilution, filtration, UV-based irradiation systems and photon-based technologies. The most commonly employed method for purification and disinfection of air is filtration, with air purifiers equipped with efficient HEPA filters being used for purification of air in enclosed areas. Irradiation has also become very common in recent years to neutralize variety of pathogens. For instance, use of Ultra Violet Germicidal Irradiation (UVGI) light at specified wavelength renders pathogens innocuous.

[0011] Although the above-mentioned approaches have been used quite regularly, these alternatives exhibit certain limitations. For instance, air purifiers with ionizers suffer from incomplete coverage as they primarily target dust, allergens, pollen, and odors through HEPA and deodorization filters. The UV and photon-based technologies, while effective in disinfection, are observed to have adverse health effects, especially on skin and eyes.

[0012] In view of the above-mentioned limitations in the existing technologies that deal with purification and sterilization of air, there is a requirement for newer technologies which not merely address the removal of dust, allergens, and odors but also actively disinfect the air from harmful pathogens. The present invention aims to address the inadequacies of existing technologies by providing an electron-based pathogen disinfection apparatus for purification, thereby ensuring more hygienic and secure indoor spaces.

[0013] OBJECT OF THE INVENTION The primary object of the present invention is to provide an apparatus for sterilization and purification of air in enclosed indoor environments using an electron-based disinfection mechanism.

[0014] Another object of the invention is to neutralize airborne and surface-associated pathogens including viruses, bacteria, and fungi by emitting high-velocity, negatively charged electrons that interact with essential biomolecules of said pathogens.

[0015] Another object of the invention is to eliminate the need for traditional filter-based, UV- based, or chemical disinfection systems, thereby enabling a maintenance-free and usersafe solution for air purification.

[0016] Yet another object of the invention is to provide an apparatus capable of generating trillions of hypercharged electrons per second to form a pathogen-inactivating electron cloud that permeates enclosed spaces uniformly.

[0017] A further object of the invention is to improve human health and well-being by enhancing indoor air quality, reducing microbial contamination, and promoting physiological benefits such as serotonin normalization and improved oxygen levels.

[0018] Still another object of the invention is to offer a compact, portable, and plug-and-play apparatus adaptable for use in residential, commercial, institutional, and healthcare settings, with validated efficacy and safety.

[0019] SUMMARY OF THE INVENTION

[0020] Embodiments of the present disclosure present technological improvements as a solution to one or more of the above-mentioned technical problems recognized by the inventor in existing techniques.

[0021] The present invention provides an advanced electron-based apparatus for sterilization and purification of indoor air, specifically designed to neutralize airborne and surfacebound pathogens, including viruses, bacteria, and fungi. The invention addresses limitations of conventional air purification systems that rely on chemical disinfectants, UV radiation, or filter-based technologies, by offering a non-contact, filter-free, and maintenance -free solution that utilizes hypercharged electron emission. According to one embodiment, the apparatus comprises a modular housing formed by an end cap (101), deco ring (102), top cover (103), bottom plate (108), and base ring (109). These components collectively enclose and support the internal emission and control assemblies. A bobbin (104) is centrally positioned within the housing and provides mechanical support for one or more electron emitters. The emitters are electrically connected via a 3 wire ring (105), which facilitates controlled power and signal delivery.

[0022] The core functional component is a hypercharged electron cannon configured to emit trillions (1-100 trillion) of negatively charged, high-velocity electrons per second into the surrounding indoor environment. These electrons form a dense electron cloud that uniformly permeates the enclosed space. The emitted electrons selectively interact with critical biomolecular structures — such as spike (S) proteins of viruses, bacterial membranes, and fungal cell walls — disrupting their replication and infectivity by neutralizing molecular binding sites and damaging structural integrity.

[0023] A control box (106) and associated panel board (107) are integrated into the apparatus to regulate operational parameters including emission intensity, duration, frequency, and spatial distribution. These modules may include programmable microcontrollers and diagnostic circuitry, enabling real-time control and adaptability based on environmental feedback or user inputs. The apparatus also supports remote -control operation and plug-and-play installation for ease of deployment across a wide range of indoor settings.

[0024] Notably, the apparatus operates without producing harmful by-products such as ozone, UV radiation, or chemical residues. It does not require fdter replacements or chemical refdls, making it highly cost-effective and environmentally sustainable. It also enhances overall air quality and contributes to physiological wellness by promoting serotonin balance, increasing oxygen availability, and supporting metabolic health.

[0025] The invention has been validated through extensive laboratory testing and field studies. Clinical and virological validations demonstrate a significant reduction in microbial and viral loads, including up to 36% SARS-CoV-2 reduction within 54 minutes and complete inactivation of multiple bacterial and fungal strains within 36 hours. Tests confirm compliance with electromagnetic, radiative, and safety standards.

[0026] The apparatus is adaptable to various embodiments including: • A compact unit for residential or personal use;

[0027] • A high-capacity commercial version for offices, schools, and malls;

[0028] • A medical-grade configuration for hospitals and intensive care units (ICUs); and

[0029] • A portable battery-operated version for travel or emergency use.

[0030] Through its innovative design, pathogen-specific mechanism of action, and proven efficacy, the present invention provides a novel and comprehensive solution for improving indoor air hygiene, reducing transmission risks of infectious diseases, and promoting occupant well-being.

[0031] BRIEF DESCRIPTION OF DRAWINGS

[0032] The foregoing Summary, as well as the following detailed description of preferred embodiments of the invention, will be better understood when read in conjunction with the drawings as well as experimental results. The accompanying drawings constitute a part of this specification and illustrate one or more embodiments of the invention. Preferred embodiments of the invention are described in the following with reference to the drawings, which are for the purpose of illustrating the present preferred embodiments of the invention and not for the purpose of limiting the same. The objects and advantages of the present invention will become apparent when the disclosure is read in conjunction with the following figures, wherein;

[0033] Figure 1 describes illustrates an exploded isometric view of an embodiment of the electron-based air sterilization and purification apparatus, showing its key structural components and internal assembly.

[0034] DETAILED DESCRIPTION OF THE INVENTION

[0035] The following detailed description illustrates embodiments of the present disclosure and ways in which the disclosed embodiments can be implemented. Although some modes of carrying out the present disclosure have been disclosed, those skilled in the art would recognize that other embodiments for carrying out or practicing the present disclosure are also possible.

[0036] The present invention is illustrated with reference to the accompanying drawings, throughout which reference numbers indicate corresponding parts in the various figures. These reference numbers are shown in brackets in the following description. The present invention pertains to an apparatus for sterilization and purification of air in indoor settings to combat viruses, bacteria, and fungi using electron-based technology.

[0037] According to an embodiment, the electron-based pathogen disinfection apparatus primarily comprises a housing containing electron emitters and hypercharged cannons, along with control circuits and power sources. The apparatus is engineered for disinfecting viruses, bacteria, and fungi, thereby improving air quality through an electron-based mechanism.

[0038] Reference is now made to Figure 1, which illustrates an exploded isometric view of one embodiment of the electron-based air sterilization and purification apparatus of the present invention.

[0039] The drawing reveals the structural and functional components that collectively enable the generation and controlled emission of hypercharged electrons for pathogen neutralization.

[0040] According to an embodiment illustrated in Figure 1, the apparatus comprises a modular cylindrical housing enclosing multiple structural and functional components. These include an electron emission assembly, control electronics, and support structures enabling the controlled release of negatively charged high-velocity electrons.

[0041] The End Cap (101) forms the frontal closure of the apparatus. It allows for airflow and prevents environmental contamination of internal components. Adjacently positioned is the Deco Ring (102), which provides mechanical coupling, aesthetic finishing, and may serve as a protective diffuser for emitted electrons.

[0042] The Top Cover (103) serves as the upper external housing portion and encloses the internal emission modules, providing protection from mechanical damage and environmental interference. Housed within the top cover is the Bobbin (104) — a cylindrical central component which structurally supports the internal coil assemblies or emission elements. The bobbin also acts as a conduit through which the generated electrons are directed outward in a linear or radial pattern.

[0043] Surrounding the bobbin is the 3 Wire Ring (105), which provides electrical connectivity for the emitter module. It ensures balanced power distribution and signal conduction to the emission elements. The power and control signals are governed by the Control Box or Circuit Box (106), which contains the core microprocessor, drive electronics, emission regulation circuits, and logic modules. The control box receives power from an external or internal source and regulates the emission intensity, duration, and pulse frequency of the hypercharged electrons.

[0044] Interfaced with the control box is the Panel Board (107), which hosts the electronic components necessary for signal processing, system diagnostics, and environmental feedback integration. The panel board communicates with sensors, manages safety cutoffs, and provides user interface capabilities where applicable.

[0045] At the base, the Bottom Plate (108) provides mechanical integrity and structural rigidity to the device, supporting both the control circuitry and the emission components. The Base Ring (109) locks the housing together and ensures physical stability during installation or portable use.

[0046] When the apparatus is activated, the control system (106, 107) triggers the electron emitters housed along the bobbin (104). These emitters release trillions of hypercharged, negatively charged electrons per second, forming a dense electron cloud. The electron cloud is dispersed through the outlet via components such as the deco ring (102) and end cap (101), permeating the surrounding indoor environment.hr the assembled state, the above components together form a sealed and modular enclosure that facilitates the generation, control, and emission of hypercharged electrons into the surrounding air. The electron cloud thus formed interacts with airborne and surface pathogens, neutralizing viruses, bacteria, and fungi without producing harmful byproducts such as ozone or UV radiation. The arrangement further allows for ease of assembly, portability, and maintenance-free operation.

[0047] According to preferred embodiment, the apparatus utilizes hypercharged electrons to neutralize airborne pathogens, ensuring a safer indoor environment. The core of the apparatus’s functionality lies in its electron-based mechanism.

[0048] The apparatus when activated, emits signals to the electron emitters, which generate hypercharged, high-velocity electrons. These electrons interact specifically with the negative-seeking S-proteins found in viruses and disrupt their structure, rendering them less infectious. This mechanism effectively prevents airborne and surface transmissions of pathogens, contributing to a healthier environment.

[0049] According to further embodiment, the hyper-charged cannons of the apparatus release trillions (1-100 trillion electrons per second) of negatively charged ions, forming an electron cloud within enclosed spaces. The electron-based mechanism offers complete coverage of the air purification area without the health risks associated with UV or photon-based systems.

[0050] The hypercharged electrons released herein possess the capability to neutralize various pathogenic microorganisms, including viruses, bacteria, and fungi. They specifically interact with critical biomolecules, especially proteins in these pathogens, resulting in their inactivation. For instance, the negative ions disrupt the outer membranes of viruses like coronaviruses by interacting with spike proteins, affecting the replication and release mechanisms of the virus, reducing their infectivity and preventing airborne and surface transmissions.

[0051] This electron-based approach effectively disinfects various viruses, bacteria, and fungi, significantly reducing airborne pathogens. As a result, the technology contributes to lowering the incidence of common colds, flu, and fever, promoting safer and healthier indoor air quality.

[0052] In addition to air purification, the technology promotes overall health by normalizing serotonin levels, improving oxygen levels, and enhancing metabolic functions, which is a novel integration of air purification and health benefits.

[0053] According to an embodiment, the apparatus is designed for ease of use with its plug- and-play functionality, remote control and its portability. Once installed, it requires zero maintenance, eliminating the need for filter replacements or complex upkeep procedures. This distinguishes it from traditional air purifiers and makes it suitable for various settings, including homes, offices, healthcare facilities, and public spaces.

[0054] Validation and Testing:

[0055] The efficacy of the present apparatus has been tested and validated at different labs and hospitals, including CCMB, Vimta, Aurum Labs, and MallaReddy Health City, showcasing significant reductions in pathogenic load and safety. At CCMB, various parameters including test viral reduction, specifically SARS-CoV- 2, at the virology lab with all required parameters were tested. The present apparatus showed a 17% viral reduction at 18 and 36 minutes, and a 36% viral reduction at 54 minutes. The viral particles reduced from loglOA6.5 to loglOA6.4 at 18, 36, and 54 minutes, respectively.

[0056] Similarly, the apparatus being an electrical-based appliance with household and industrial uses like hospitals and commercial establishments, it was crucial to ensure its safety. The present apparatus was tested at Vimta Labs and EMTAC for various parameters including harmonics current emission, voltage fluctuations and flicker, radiation, radio-frequency, electromagnetic field immunity, power frequency magnetic field, immunity to conducted disturbances induced by radio-frequency fields, surge immunity, electrical burst immunity, and electrostatic discharge immunity. The test reports confirmed that the device is human-safe.

[0057] To further intensive studies on the present apparatus, detailed studies were undertaken in the lab on Bioburden and pathogen detection using Active air sampling and swab method analysis for the apparatus of the present invention at time points 0 hrs, 12 hrs, 24 hrs, and 36 hrs. Based on the study results, it was observed that total aerobic microbial count reduced to below 10 CFU / plate / swab in both active and swab samples after 36 hours on Instashield. Total Fungal Count also reduced to less than 1 CFU / plate / swab after 36 hours on Instashield. Pathogens E. coli, Salmonella, P. aeruginosa, and S. aureus were present at 0 hour and not detected at subsequent intervals. Based on the above results, it was concluded that the machine Instashield is 99% efficient for TAMC and 100% efficient for TYMC and pathogens.

[0058] Additionaly, a study of CO2 carried out on ppm levels for 24 hours on the said appratus using an air quality detector verified and obtained results in a decreasing order from 450 ppm to 410 ppm. Based on investigation and analytical data review, it was concluded that the Instashield instrument's working condition was found satisfactory. Accordingly, the present apparatus will be used for regular activities in homes, offices, educational institutions, government institutions, hospitals, hotels, and public places.

[0059] Applications: The present apparatus can be implemented in various embodiments to suit different applications and environments including but not limited to:

[0060] Home Use: A compact version of the apparatus designed for residential use, providing families with a safe and healthy indoor environment free from airborne pathogens.

[0061] Commercial Use: A larger, more powerful version of the apparatus suitable for commercial spaces such as offices, schools, and shopping malls, ensuring the well-being of employees and customers.

[0062] Medical Use: Specialized configurations ofthe apparatus tailored for healthcare settings, including hospitals, clinics, and laboratories, where stringent pathogen control is essential for patient safety.

[0063] Portable Version: A portable variant of the apparatus equipped with rechargeable batteries, allowing users to enjoy clean air and surfaces even in outdoor settings or while traveling.

[0064] Efficacy Against Bacterial and Fungal Contamination:

[0065] Reduction in CFUs: The present apparatus was assessed for its efficacy in reducing bacterial and fungal contamination. Exposure to bacterial and fungal cultures on Tryptic Soy Agar (TSA) and Sabouraud Dextrose Agar (SDA) showed a significant reduction in Colony Forming Units (CFUs) after one hour of exposure.

[0066] Hospital Validation: In hospital settings, such as General Medicine Outpatient (GM-OP) and General Medicine Inpatient (GM-IP) areas, CFU counts after exposure were consistently below 10. In the Medical Intensive Care Unit (MICU), no CFUs were detected, demonstrating the high efficacy of the technology.

[0067] Data Supporting Efficacy:

[0068] The data pertaining to the efficacy of the present apparatus is disclosed below. For sake of better understanding, the data is presented in tabular format. The present data including previous lab test results is only for sake of better understaning of the present invention and not to limit the scope or method of practicing of the present invention. A person skilled in the art would recognise that other mode or methods of practicing the present invention are also possible.

[0069] Table 1 - CFU Counts: The table displays CFU counts of bacterial and fungal cells on Blood Agar (BA) and SDA, respectively, indicating a substantial reduction in microbial contamination following exposure to Negative Air Ions (NAIs). Post-exposure, lids were replaced, and BA plates were incubated at 37°C, whereas SDA plates were maintained at room temperature (~25°C) for 24 hours.

[0070] CFUs of bacterial cells on TSA before and after exposure to NAIS.

[0071] Table 3. CFUs of fungal cells on SDA before and after exposure to NAIS.

[0072] The invention of this apparatus represents a significant advancement in virusneutralizing technology. Its electron-based mechanism, coupled with negative ion generation, offers a comprehensive solution for disinfecting air and surfaces, thereby promoting a healthier and safer environment for individuals worldwide. With its plug- and-play design and proven efficacy, the apparatus stands poised to revolutionize pathogen control in various settings, contributing to the global effort to combat infectious diseases.

[0073] The above description is only a preferred embodiment of the present invention, and it should be understood that the description of the above embodiments is only for helping to understand the method of the present invention and its core idea, and is not intended to limit the scope of protection of the present invention. Any modifications, equivalent substitutions, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.

Claims

CLAIMS:We claim,1. An apparatus for sterilization and purification air using an electron -based disinfection mechanism, the said apparatus comprising: a housing consisting of an end cap (101), a deco ring (102), atop cover (103), a bottom plate (108), and a base ring (109), all configured to enclose and support internal functional components; a bobbin (104) positioned within the housing, configured to structurally support one or more electron emitters and enable directed emission of hypercharged electrons; a 3 wire ring (105) operatively coupled with said electron emitters to deliver balanced electrical signals and power input; a hypercharged electron cannon integrated with the bobbin or mounted within the emission chamber, configured to emit high-velocity, negatively charged electrons at a rate of 1-100 trillion electrons per second into an indoor environment; a control box (106) operatively connected to a panel board (107), said control circuit configured to regulate emission parameters including intensity, duration, and spatial distribution; a plug-and-play interface and / or remote control module configured to enable portable operation, user control, and deployment in various indoor environments; characterized in that: the hypercharged electrons generated by said electron cannons interact with structural and functional biomolecules of airborne and surface-bound pathogens, including but not limited to spike (S) proteins of viruses, outer membranes of bacteria, and fungal cell walls, wherein the interaction disrupts the replication, infectivity, or structural integrity of said pathogens,and wherein the apparatus forms a spatially distributed electron cloud that neutralizes pathogens without the use of UV radiation, fdters, chemical disinfectants, or ozone, thereby ensuring effective disinfection while maintaining human safety, requiring no periodic maintenance, and enabling real-time air quality improvement and health benefits such as serotonin normalization and oxygen optimization.

2. The apparatus as claimed in Claim 1, wherein the electron emitters and hypercharged electron cannons are configured to generate a continuous stream of high-velocity, negatively charged electrons forming an electron cloud that permeates the indoor space uniformly.

3. The apparatus as claimed in claim 1, wherein the hypercharged electrons interact specifically with spike (S) proteins of viruses, disrupting viral entry mechanisms and reducing infectivity by neutralizing protein structure and function.

4. The apparatus as claimed in claim 1, wherein the control box (106) includes a programmable microcontroller or logic unit configured to dynamically modulate the emission rate based on environmental inputs such as ambient air quality or occupancy detection.

5. The apparatus as claimed in claim 1, wherein the electron cloud formed within the enclosed space is capable of reducing total aerobic microbial count (TAMC) by at least 99% and total yeast and mold count (TYMC) by 100% within 36 hours of continuous operation.

6. The apparatus as claimed in claim 1, wherein the panel board (107) has a user interface configured to display real-time metrics including air quality indicators, pathogen reduction status, and diagnostic feedback7. The apparatus as claimed in claim 1, wherein the apparatus is validated to reduce SARS-CoV-2 viral load by at least 36% within 54 minutes of operation, as measured in controlled virology lab testing.

8. The apparatus as claimed in claim 1, wherein the housing formed by components (101) to (109) is modular, shock-resistant, and configured for portable use and plug-and-play installation and maintenance -free use, eliminating the need for filter replacement or chemical refills9. The apparatus as claimed in claim 1, wherein the emitted electrons are configured to modulate physiological parameters such as serotonin balance and oxygen levels, thereby improving mental and metabolic well-being of occupants.

10. The apparatus as claimed in claim 1, wherein the apparatus is implemented in various configurations including: a compact variant for residential or personal use; a high-capacity variant for commercial or educational premises; a clinical-grade version for hospital and intensive care applications; a battery-powered portable variant for travel or outdoor environments.

11. The apparatus as claimed in claim 1, wherein validation studies conducted in healthcare settings demonstrate consistent reduction of bacterial and fungal colony forming units (CFUs) on Tryptic Soy Agar (TSA), Sabouraud Dextrose Agar (SDA), and Blood Agar (BA) plates after 1 to 3 days of exposure.

12. The apparatus as claimed in claim 1, wherein the apparatus is tested for compliance with human safety standards including harmonics emission, voltage fluctuation immunity, radiated RF immunity, conducted RF immunity, electrostatic discharge immunity, and electromagnetic field immunity.

13. The apparatus as claimed in claim 1, wherein the apparatus reduces CO2 concentration levels in indoor air environments from approximately 450 ppm to 410 ppm over a 24-hour period of continuous operation.

Citation Information

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