We have professional technology and good management system, together with rich experience and strict quality control, to ensure our consumers get high quality far uvc light fixtures, 20w Light Tube Far UVC Wavelength for Room Disinfection, far uv light manufacturers. When you are keen on any of our goods following you view our product list, be sure to feel free to make contact with us for inquiries. We follow the laws of the market, allocate corporate resources rationally, and insist on sound operation.

FEATURES

1. Environmentally friendly/mercury-free

2. Safe disinfection technology

3. Mini module easy to carry

4. Rechargeable unit

5. Wide operating temperature

6. Instantaneous on/off

7. Large production capacity

8. No degradation in output over the life of the lamp

9. Spectrum testing by the third-party

10. EPA, ISO9001, CE certified

SPECIFICATIONS

1. Model no.: UWF222-2W

2. Peak Wavelength: 222nm

3. Size: 93*88*65mm

4. Input Voltage: 3-5vDC

5. Power: 2w

6. Beam Angle: 100°

7. Radiation Intensity: 600μw/cm²(0cm)

8. Operating Temperature Range: -10°C - 150°C

9. Materials: Quartz glass, Plastic shell, Krcl noble gas

10. Lifespan: 4000 hours

APPLICATIONS

Air disinfection

Surface disinfection

Room sanitisation

Desktop disinfection lamp

207-nm UV Light—A Promising Tool for Safe Low-Cost Reduction of Surgical Site Infections. II: In-Vivo Safety Studies

UVC light generated by conventional germicidal lamps is a well-established anti-microbial modality, effective against both bacteria and viruses. However, it is a human health hazard, being both carcinogenic and cataractogenic. Earlier studies showed that single-wavelength far-UVC light (207 nm) generated by excimer lamps kills bacteria without apparent harm to human skin tissue in vitro. The biophysical explanation is that, due to its extremely short range in biological material, 207 nm UV light cannot penetrate the human stratum corneum (the outer dead-cell skin layer, thickness 5–20 μm) nor even the cytoplasm of individual human cells. By contrast, 207 nm UV light can penetrate bacteria and viruses because these cells are physically much smaller.

To test the biophysically-based hypothesis that 207 nm UV light is not cytotoxic to exposed mammalian skin in vivo.

Hairless mice were exposed to a bactericidal UV fluence of 157 mJ/cm2 delivered by a filtered Kr-Br excimer lamp producing monoenergetic 207-nm UV light, or delivered by a conventional 254-nm UV germicidal lamp. Sham irradiations constituted the negative control. Eight relevant cellular and molecular damage endpoints including epidermal hyperplasia, pre-mutagenic UV-associated DNA lesions, skin inflammation, and normal cell proliferation and differentiation were evaluated in mice dorsal skin harvested 48 h after UV exposure.

While conventional germicidal UV (254 nm) exposure produced significant effects for all the studied skin damage endpoints, the same fluence of 207 nm UV light produced results that were not statistically distinguishable from the zero exposure controls.

As predicted by biophysical considerations and in agreement with earlier in vitro studies, 207-nm light does not appear to be significantly cytotoxic to mouse skin. These results suggest that excimer-based far-UVC light(2w far UVC light far UV lamp rechargeable unit desktop disinfection light) could potentially be used for its anti-microbial properties, but without the associated hazards to skin of conventional germicidal UV lamps.

High quality embodies our dignity and excellent service makes our 100W 150W 200W Mobile Vehicle UV Lamp Ultraviolet Ozone Retractable UVC Disinfection Light ... unimpeded in every corner of the world. We adhere to the business development concept of promoting industry by scientific research and promoting scientific research by industry. We will serve our customers and create value around their needs, and jointly promote the strategic development with them.

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