Friday, November 3, 2023

UV Light for Medical Use

Ultraviolet (UV) light is used for many purposes that promote health and wellness as there are many applications that harness the benefits of UV light for medical use.

UV Lamps Provide Many Health Benefits

UV light is measured in wavelengths mainly in the spectrum of 100 nanometer (nm) to 380 nm and is divided into three regions: UVA (320 – 400 nm), UVB (280 – 320 nm), and UVC (100 – 280 nm). UVC is short wave UV radiation and is completely absorbed by the ozone layer when emitted by the sun. UVA and UVB are the rays that reach the earth and are associated with the common sunburn as well as providing benefits like vitamin D and many other phototherapy treatments.

Scientists and lamp engineers such as the knowledgeable engineers at LightSources design and engineer UVC germicidal lamps to emit 254 nm, the most effective wavelength to kill viruses and bacteria. 185 nm ozone lamps are also effective in many sterilization applications. UV lamps designed to emit UVA and UVB wavelengths provide benefits to the medical industry in phototherapy lamps, as these wavelength emissions are proven effective to treat a host of medical conditions.

UV lamps provide many benefits in two distinct areas:

UVC Germicidal Lamps – UV light provides many benefits to the healthcare industry and many other environments with UVC germicidal lamps that eliminate harmful viruses and bacteria in the air, in water and on surfaces.


UV Phototherapy Lamps – UV lamps are used for medical phototherapy purposes, which is also called light therapy, where UV lamps are specifically designed to treat certain medical conditions.

LightSources and LightTech are world leading manufacturers of innovative UV lamps used in germicidal and phototherapy applications, providing patented lamp products with first-to-market technology and solutions.

UV Light for Medical Use in Germicidal Applications


Germicidal UVC lamps provide health benefits to the medical industry and are used to provide effective sterilization to many environments. Germicidal lamps are used in medical facilities, doctor’s offices, and hospitals as well as many public places and commercial institutions to stop the spread of disease. UVC germicidal lamps sterilize that air when installed in HVAC systems or in upper room air irradiation units to prevent airborne illnesses. Germicidal lamps are also used to eliminate harmful microorganisms and water and on surfaces.


Hospitals sterilize surgical equipment as well as surfaces such as in operating rooms and patient rooms. UVC robots are utilized in many hospitals and public places to further eliminate harmful pathogens. UVC light used in addition to regular cleaning protocol is proven to significantly decrease virus and bacteria load and can even eliminate superbugs like antibiotic resistant bacteria. UV sterilization helps to promote health and wellness in many public places such as workplaces, schools, libraries, airports, bus stations, and residential homes.


UV light promotes health and wellness in many medical applications with effective sterilization on surfaces, in water and in air sterilization systems.

UV Light for Medical Use with Phototherapy Lamps

Medical phototherapy lamps are used under a doctor’s supervision with specially designed lamps administering UVA, UVB and narrowband UVB emissions. Phototherapy UV lamps treat a host of medical conditions such as variety of skin conditions, mood disorders and successfully treat neonatal jaundice. Some of the most common applications of UV light for medical use include effective treatment for many skin conditions including acne, eczema, psoriasis, and vitiligo.

UV Light for Acne Treatment – acne vulgaris affects more than 85% of adolescents and is the most common skin condition in the U.S. a combination of red light and blue light is proven to be effective in treating acne to prevent new outbreaks and alleviate symptoms of current outbreaks. Blue light emitted at 415 nm is effective at killing bacteria to prevent acne outbreaks and red light emissions between 600 to 700 nm stimulates cell regeneration, healing and soothes inflammation.


UV Light for Eczema – eczema is a common skin condition which affects more than 30 million Americans with various types and symptoms. Eczema patients may experience different symptoms which can include dry, rough, scaly, itchy and inflamed patches of skin. UVA, UVB and narrowband UVB phototherapy lamps have been proven effective to improve symptoms and prevent outbreaks of eczema.


UV Light for Psoriasis – psoriasis causes patients to experience patches of dry, scaly and itchy skin with outbreaks of raised, hardened lesions. Topical ointments can provide relief for mild symptoms although UV phototherapy lamps can be more effective to help patients with severe psoriasis symptoms.


UV Light for Vitiligo – vitiligo is a skin condition that is considered an autoimmune disease where the immune system attacks the pigment forming cells in the body, melanocytes, causing white patches to appear on the skin. A UVB phototherapy lamp for vitiligo used in combination with medication is effective to put pigment back into the white patches.

UV light provides these medical benefits to these skin conditions and also treats forms of mood conditions such as Seasonal Affective Disorder, or SAD.

UV Light for Depression – many people who live in the northern hemisphere experience seasonal depression during the winter months. Symptoms of SAD are like symptoms of nonseasonal forms of depression which can become severe and include social withdrawal, weight gain, fatigue, and a lack of interest in normal activities. Phototherapy lamps help to combat symptoms when the days get shorter with less natural sunlight and are considered the most effective form of treatment for SAD.


UV light for neonatal jaundice – this condition occurs in newborns and causes yellowing of the skin and the whites of eyes as toxins build in the body from underdeveloped liver function. Treatment with UV blue light prevents brain damage that can occur with elevated levels of bilirubin in the blood and breaks down bilirubin into substances that are safely excreted through waste. UV lights to treat jaundice are also called bili-lights for this reason.

LightSources Offers Quality UV Lamps for Medical Use

LightSources and LightTech design and engineer UV medical phototherapy lamps to treat all these conditions as well as UV germicidal lamps for medical use with effective sterilization and disinfection. Our vast resources including a state-of-the-art glass factory in Europe combined with the leading high-tech lamp designers and engineers provide the most effective and cost-efficient solution for nearly any application requiring UV light for medical use.

 

Wednesday, November 1, 2023

Does UV Light Kill COVID-19?

COVID-19 (Coronavirus Disease 2019) is the disease caused by the novel coronavirus, SARS-CoV-2, which is the cause of a viral outbreak that led to a devastating global pandemic. Public health systems and economies worldwide have been ravaged by this virus and many people are asking the question, “Does UV light kill Covid?”. As of December 31, 2021, the pandemic is experiencing a surge with the new Omicron variant and a total death toll of 5,439,895 globally, with more than 825,816 deaths in the United States. *UPDATE – as of 3/29/23, there have been 761,402,282 confirmed cases of COVID-19, including 6,887,000 deaths globally, and 102,697,566 confirmed cases of COVID-19 with 1,117,054 deaths in the U.S., as reported by the World Health Organization, WHO.

We put together a compilation of several studies showing the effectiveness of UV light for COVID, including how UVC light kills other coronaviruses, how SARS-CoV-2 is transmitted, and UVC lamps that are proven effective at eliminating betacoronaviruses and the SARS-CoV-2 virus that causes COVID-19.

Types of UVC Lamps Effective in Killing Covid

Ultraviolet (UV) light is a type of UV radiation from the sun, that has less energy than X-rays and gamma rays, although has more energy than visible light and radio waves. Sunlight emits natural UV rays in three broad spectrums, UVA, UVB and UVC. People can experience exposure to UVA and UVB rays from natural sunlight, although most UVC natural rays are absorbed by the ozone layer.

UVC light is replicated in manmade germicidal UVC lamps, which have been proven to kill many viruses and bacteria including beta coronaviruses. SARS-CoV-2 is in the beta coronavirus family similar to the MERS (Middle East Respiratory Syndrome) and SARS (Severe Acute Respiratory Syndrome). UVC light is proven effective at eradicating MERS and SARS and recent studies show that UVC lamps are also similarly effective in killing the SARS-CoV-2 virus that causes COVID-19.

Does UV Light Kill Covid in Liquid?

UV light is an effective disinfectant and sterilizer, proven to kill viruses in water, on surfaces and in the air. UVC light effectively inactivates bacteria and viruses by damaging nucleic acids of cells, rendering them unable to replicate. An inactivated cell that is unable to replicate is considered harmless and unable to spread further disease. According to a recent study in the American Journal of Infection Control (AJIC), UVC light is proven effective at killing the SARS-CoV-2 virus that causes COVID-19 in liquid cultures as “SARS-CoV-2 is highly susceptible to irradiation with ultraviolet light“.


UVC lamps are used in UV water disinfection applications such as waste water treatment plants, aqua culture, pool and spa and many additional water sterilization needs.

Does UV Light Kill COVID on Surfaces?

In Laboratories and all Surfaces

UVC germicidal lamps have been shown to be effective at killing the SARS-CoV-2 on surfaces in studies by the AJIC showing a 99.7% effective rate on laboratory surfaces. In order to achieve this high efficacy rate to disinfect surfaces they must be clean and experience direct exposure.

In Hospitals and Medical Facilities

For this reason, many hospitals and medical facilities have added UVC light disinfection to their regular cleaning regimen. UVC light disinfection helps to keep hospital rooms, surgical rooms, surgical and medical equipment sterile and free from harmful bacteria, including some antibiotic resistant superbugs.

UVC Lamps for Restaurant Disinfection

UVC disinfection is helping restaurant owners get back to business and keep their staff and patrons safe. UVC lamps are used in many areas of a restaurant such as disinfecting commercial kitchen surfaces and preventing grease build-up in exhaust fans. Learn the many benefits of UV lamps for restaurants.

UVC Germicidal Lamps

UVC lamps manufactured to emit light in the UVC range are the most effective to kill viruses and bacteria, with standard germicidal lamps designed to emit light at 254 nm. While this wavelength is proven highly effective it can also be damaging to human skin and eyes, therefore some germicidal lamps are designed to emit wavelengths between 207- 222 nm, referred to as Far-UVC light. Far-UVC light is effective at killing germs and viruses and is less hazardous to skin and eyes than other types of UVC lamps.


Does UV Light Kill COVID in the Air?


UV Air Sterilization

Many scientists believe that airborne particles are one of the most common modes of transmission of the SARS-CoV-2 virus, thus sterilizing and disinfecting air in enclosed spaces should help to protect people against contracting the COVID-19 disease. UVC lamps in HVAC units are an effective method of sterilizing air and is utilized in many commercial, industrial, and residential air purification systems.


recent study published in Scientific Reports concludes that UVC light is effective at killing airborne human coronaviruses including those that cause the common cold and the SARS-CoV-2 virus.


Based on what we know about ultraviolet light, specifically UV light emitted in the UVC range, many studies are showing that UV light may be used as a valuable tool to kill the SARS-CoV-2 virus that causes COVID-19 in liquid, on surfaces and in the air. Far-UVC light may be a good choice for some disinfection applications with less harmful health risks to human exposure.

Quality UVC Lamps Proven to Kill Viruses

LightSources is recognized internationally as a leading supplier of high-quality germicidal UVC lamps proven to kill many viruses and bacteria, with a modern state-of-the-art glass factory in Europe and several valuable partner companies providing custom engineering services. You can find our UV disinfectant lamps in many applications worldwide for water, air and surface sterilization.


Our engineers possess deep technical knowledge of UV radiation and lamp design, with a commitment to continual improvement through research and development. Our UV light proprietary technologies include LongLife+, which is a specialty coating engineered to increase the life of your lamp for up to 16,000 hours. We offer prototype solutions with rapid development, custom engineering to meet your specific and unique specifications and proprietary solutions for you that increase your brand awareness.