We pursue the administration tenet of 'Quality is remarkable, Services is supreme, Status is first', and will sincerely create and share success with all customers for filtered 222 nm excimer lamps, uv 222 nm, 222 nm uv light bulb. We insist on the concept of relying on staff, respecting staff, caring staff, accomplishing staff, valuing talents and taking the strivers as the base. We have withstood a severe test in the fierce market economic competition. The principle of 'honesty, sincerity and credit first' makes our company win more customers' trust. We believe that an excellent team is the core driver of the aggregation and amplification effect of the enterprise, and it is the solid support for the company to become stronger, better and bigger.

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.

Our company actively introduces and continuously innovates new technologies, adopts excellent management system, continuously deepens the improvement of product structure and performance, and constantly improves the function and quality of Ultraviolet 1W High Power 3535 222 265nm 268nm 270nm 285nm SMD Flat UV UVC LED. We believe that our employees' aspiration for a better life is the goal of our management. Forging excellent quality in continuous efforts, we hope to meet customer needs to the greatest extent.

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