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How & Why Ultraviolet Disinfection Works
How & Why Ultraviolet Disinfection Works
Ultraviolet energy can be separated into UV-A, UV-B and UV-C. Ultraviolet Germicidal Irradiation (UVGI) uses UV-C, the component of ultraviolet energy that breaks through the outer membrane of microbes like yeast, mold, bacteria, viruses or algae.
When the UV-C energy reaches the DNA of the microbe, modifications cause the microbe to lose its ability to reproduce. UVGI lamps provide a powerful and concentrated dose of UV-C energy that will sanitize the air and surfaces, destroying pathogens that come in contact with the UV rays. Musty, moldy type odors can be eradicated, along with tuberculosis, cold and flu viruses, smallpox and other airborne diseases and influenza.
The healthcare industry has been using UV germicidal energy to sanitize hospital rooms and medical equipment since the early 1900’s. The Centers for Disease Control confirms the germicidal effect of UV-C lamps. FEMA recommends it’s use for counter-bioterrorism.
UV Dose for Inactivation
*Approximate - Various sources may report slightly differing inactivation dosages
When the UV-C energy reaches the DNA of the microbe, modifications cause the microbe to lose its ability to reproduce. UVGI lamps provide a powerful and concentrated dose of UV-C energy that will sanitize the air and surfaces, destroying pathogens that come in contact with the UV rays. Musty, moldy type odors can be eradicated, along with tuberculosis, cold and flu viruses, smallpox and other airborne diseases and influenza.
The healthcare industry has been using UV germicidal energy to sanitize hospital rooms and medical equipment since the early 1900’s. The Centers for Disease Control confirms the germicidal effect of UV-C lamps. FEMA recommends it’s use for counter-bioterrorism.
UV Dose for Inactivation
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Agrobacterium lumefaciens 8,500 Bacillus anthracis (anthrax veg.) 8,700 Bacillus anthracis Spores (anthrax spores) 46,200 Bacillus megatherium Sp. (veg) 2,500 Bacillus megatherium Sp. (spores) 5,200 Bacillus paratyphosus 6,100 Bacillus subtilis 11,000 Bacillus subtilis Spores 22,000 Clostridium tetani 23,100 Clostridium botulinum 11,200 Corynebacterium diphtheriae 6,500 Dysentery bacilli 4,200 Eberthella typhosa 4,100 Escherichia coli 6,600 Legionella bozemanii 3,500 Legionella dumoffi ll 5,500 Legionella gormanil 4,900 Legionella micdadei 3,100 Legionella longbeachae 2,900 Legionella pneumophila (Legionnaire’s Disease) 12,300 Leptospira canicola-Infectious Jaundice 6,000 Leptospira interrogans 6,000 Micrococcus candidus 12,300 Micrococcus sphaeroides 15,400 Mycobacterium tuberculosis 10,000 Neisseria catarrhalis 8,500 Phytomonas tumefaciens 8,500 Proteus vulgaris 6,600 Pseudomonas aeruginosa (Environ.Strain) 10,500 Pseudomonas aeruginosa (Lab. Strain) 3,900 Pseudomonas fl uorescens 6,600 Rhodospirillum rubrum 6,200 Salmonella enteritidis 7,600 Salmonella paratyphi (Enteric Fever) 6,100 Salmonella Species 15,200 Salmonella typhimurium 15,200 Salmonella typhi (Typhoid Fever) 7,000 Salmonella 10,500 Sarcina lutea 26,400 Serratia marcescens 6,160 Shigella dysenteriae - Dysentery 4,200 Shigella fl exneri - Dysentery 3,400 Shigella paradysenteriae 3,400 Shigella sonnei 7,000 Spirillum rubrum 6,160 Staphylococcus albus 5,720 Staphylococcus aureus 6,600 Staphylococcus epidermidis 5,800 |
Streptococcus faecaila 10,000 Streptococcus hemolyticus 5,500 Streptococcus lactis 8,800 Streptococcus pyrogenes 4,200 Streptococcus salivarius 4,200 Streptococcus viridans 3,800 Vibrio comma (Cholera) 6,500 Vibrio cholerae 6,500 MOLDS Aspergillus amstelodami 77,000 Aspergillus fl avus 99,000 Aspergillus glaucus 88,000 Aspergillus niger (breed mold) 330,000 Mucor mucedo 77,000 Mucor racemosus (A & B) 35,200 Oospora lactis 11,000 Penicillium chrysogenum 56,000 Penicillium digitatum 88,000 Penicillium expansum 22,000 Penicillium roqueforti 26,400 Rhizopus nigricans (cheese mold) 220,000 PROTOZOA Chlorella vulgaris (algae) 22,000 Blue-green Algae 420,000 E. hystolytica 84,000 Giardia lamblia (cysts) 100,000 Nematode Eggs 40,000 Paramecium 200,000 VIRUS Adeno Virus Type III 4,500 Bacteriophage 6,600 Coxsackie 6,300 Infectious Hepatitis 8,000 Infl uenza 6,600 Rotavirus 24,000 Tobacco Mosaic 440,000 YEASTS Baker’s Yeast 8,800 Brewer’s Yeast 6,600 Common Yeast Cake 13,200 Saccharomyces cerevisiae 13,200 Saccharomyces ellipsoideus 13,200 Saccharomyces sp. 17,600 |
*Approximate - Various sources may report slightly differing inactivation dosages
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