In our unrelenting battle against pathogens, various modes of disinfection have emerged, each purporting to be the savior in microbial warfare. One such method that has been adopted is UV light disinfection. While effective in certain applications, its dangers are not commonly understood by the public. Kismet Technologies, an innovator in revolutionary disinfection technology, has developed NanoRAD, a groundbreaking residual antimicrobial that creates on-demand hydrogen peroxide in the presence of pathogens, offering a safer, more environmentally friendly solution. 

Understanding UV Light Disinfection 

The Mechanics of UV Light: 

UV light disinfection uses a special kind of light called ultraviolet light to kill or inactivate microorganisms. This light is not visible to the human eye and is more powerful than regular light. It’s the same type of light that gives us sunburns and can be cancer causing. In UV light disinfection, microorganisms like bacteria and viruses are exposed to ultraviolet light, which damages their DNA or RNA, making them unable to reproduce or function, thus effectively killing or inactivating them. It’s like taking the batteries out of a toy; the toy might still be there, but it can’t do anything. 

UV Light Disinfection- UV light Spectrum

Types of UV Light: 

UV-A: The least harmful and most common, but not very effective for disinfection. 

UV-B: More powerful, can cause sunburns, and is somewhat more effective at killing microorganisms. 

UV-C: The most powerful and effective for disinfection but can be harmful to humans and animals. 

Where is UV Light Disinfection Used? 

UV light disinfection is used due to its efficacy against a wide range of pathogens. Below are some of the common applications: 

UV Light Disinfection

 

Healthcare Settings: In hospitals and healthcare facilities, UV light is used to disinfect rooms, surgical equipment like biosafety cabinets, and other surfaces to control the spread of infections. It helps in maintaining a sterile environment, crucial for patient safety and recovery. 

Water Treatment Plants: UV light disinfection is extensively used in water treatment facilities to purify drinking water and wastewater. It effectively eliminates waterborne pathogens, ensuring the supply of safe and clean water. 

Laboratories: Research and diagnostic laboratories utilize UV light for sterilizing equipment, surfaces, and air to prevent contamination and ensure the accuracy of experimental results. 

Food and Beverage Industry: In the food and beverage industry, UV light is employed to disinfect surfaces, water, and even the food products themselves to prolong shelf life and ensure food safety. 

Air Purification Systems: Many air purifiers integrate UV light technology to kill airborne pathogens, improving indoor air quality in homes, offices, and other indoor spaces. 

Aquariums and Ponds: UV sterilizers are used in aquariums and ponds to control the growth of harmful microorganisms and algae. 

Residential Use: Portable and fixed UV light disinfection devices are available for home use to disinfect small objects, surfaces, and HVAC systems. 

HVAC-commercial and residential: UV-C is used to keep the coils in HVAC systems clean for efficiency. 

The Hidden Dangers of UV Light Disinfection

Limitation in Disinfection: 

UV light disinfection is not omnipotent. It is ineffective against contaminants and pathogens enclosed in particles or shielded by surfaces, dirt, or other materials. UV light’s efficacy is also reliant on intensity, exposure time, and source distance, with different pathogens requiring varying levels of exposure for complete inactivation. The gross bioburden must also be removed for UV lights to be effective. 

Even beyond the direct risks to human health and environmental concerns, UV light disinfection faces inherent limitations that restrict its effectiveness and practicality. The Achilles’ heel of UV disinfection lies in its inability to guarantee consistent and thorough disinfection. Here’s why: 

Uneven Application:  
Applying UV light evenly across surfaces is notoriously challenging. Shadows, crevices, and surface irregularities create blind spots where pathogens can lurk untouched by the potent rays. This inconsistency undermines the overall effectiveness of disinfection, potentially leaving areas harboring dangerous microbes. 

Surface Damage:  
The very power that makes UV light effective against pathogens also makes it harmful to many materials. Prolonged exposure to UV light can cause fading, cracking, and weakening of non-metallic surfaces, like plastics, fabrics, and even wood. Imagine your outdoor furniture succumbing to the sun’s harsh UV rays – that’s essentially what happens to many indoor objects subjected to proper UV disinfection doses. This limits its applicability to specific materials and environments, rendering it unsuitable for widespread use. 

While effective in controlled settings like small, shielded areas, relying solely on UV light for comprehensive disinfection poses significant challenges. Its uneven application and potential for surface damage raise concerns about the completeness and safety of the disinfection process. Additionally, the environmental impact and health risks associated with UV light exposure further highlight the need for alternative solutions. 

Environmental Concerns

Ecosystem Disruption: UV light can be detrimental to aquatic life forms, disrupting ecosystems and causing irreversible damage to aquatic flora and fauna. Its use in water treatment can lead to unintended consequences, affecting non-target organisms and altering ecological balances. 

Energy Consumption: The energy consumption of UV light systems is substantial, contributing to increased carbon footprint and stressing our already overloaded power grids. 

Contamination of the environment: Each conventional UV lamp typically uses between 5-200 mg of mercury which can create an issue when the bulbs are at the end of their life. 

Exposure Risks: Long-term exposure to UV light can cause skin burns, eye injuries including premature cataracts, and may lead to skin cancer. Even short-term exposure can be harmful to humans and animals, and precautions must be taken to avoid direct exposure. 

A Revolutionary Alternative 

Kismet Technologies invented NanoRAD, a state-of-the-art technology that circumvents the pitfalls of UV light disinfection. The technology, metal-mediated cerium oxide, generates hydrogen peroxide on-demand when in contact with pathogens, eliminating them effectively without the accompanying risks associated with UV light. 

How Does NanoRAD Work? 

NanoRAD takes a well-known material cerium oxide and adds a catalyst which super charges its reaction in the presence of threats.  NanoRAD produces hydrogen peroxide, a well-known disinfectant, only in the presence of pathogens. This ensures targeted, effective disinfection without harming the environment or the user. 

Safety and Environmental Benefits: 

NanoRAD is a safe and environmentally friendly alternative to UV light disinfection. It poses no risk to human and animal health and does not disrupt ecosystems or aquatic life. It operates with minimal energy consumption, reducing carbon footprint and conserving resources. 

Broad Spectrum Efficacy: 

NanoRAD is capable of combating a wide range of pathogens, including bacteria, viruses, and fungi, irrespective of their protective shields, providing comprehensive protection where UV light falls short. 

Applications of NanoRAD: 

NanoRAD’s versatility makes it suitable for various applications, including hospitals, laboratories, cleanrooms, animal facilities, and many others, offering a universal solution to disinfection needs. 

In conclusion, while UV light disinfection has become more mainstream in the fight against pathogens, its hidden dangers and environmental impact cannot be overlooked. NanoRAD, developed by Kismet Technologies, emerges as a beacon of hope, offering safe, effective, and environmentally friendly disinfection, mitigating the risks associated with UV light disinfection.  

If you would like more information on our technology, peer-reviewed publications, or whitepapers, please click here or contact sales@kismettechnologies.com 

Dr. Christina Drake

Christina Drake

Christina earned a Ph.D. in Material Science Engineering from UCF. She has collaborated with many US government agencies and Department of Defense during the 10-year period she was with Lockheed Martin. Christina was the Faculty President at Florida Polytechnic prior to founding Kismet Technologies in 2019. She has secured more than 30 grants for funding in excess of $13 million. Christina has six patents and several more pending patents.