Far UV Solutions 222Nm UV Lamp Ceiling Installed Unit

FEATURES

1. Complete lamps can be used directly

2. Pure 222 nm

3. Environmentally friendly/mercury-free

4. Safe disinfection technology

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.: UWF222-20W

2. Peak Wavelength: 222nm

3. Size: 25480mm

4. Input Voltage: 24vDC

5. Power: 20w

6. Beam Angle: 60 degree

7. Radiation Intensity: 3000μw/cm²(0cm)

8. Operating Temperature Range: -10 degree - 150 degree

9. Materials: Quartz glass, Polymer end caps, Krcl noble gas

10. Lifespan: 4000 hours

APPLICATIONS

Air disinfection

Surface disinfection

Room sanitisation

Sanitisation for public places

Home, office, school, hospital

Long-term effects of 222nm ultraviolet radiation C sterilizing lamps on mice susceptible to ultraviolet radiation

Germicidal lamps that emit primarily 254 nm ultraviolet radiation (UV) are routinely utilized for surface sterilization but cannot be used for human skin because they cause genotoxicity. As an alternative, 222nm UVC has been reported to exert sterilizing ability comparable to that of 254nm UVC without producing cyclobutane pyrimidine dimers (CPDs), the major DNA lesions caused by UV. However, there has been no clear evidence for safety in chronic exposure to skin, particularly with respect to carcinogenesis. We therefore investigated the long-term effects of 222nm UVC on skin using a highly photocarcinogenic phenotype mice that lack xeroderma pigmentosum complementation group A (Xpa-) gene, which is involved in repairing of CPDs. CPDs formation was recognized only uppermost layer of epidermis even with high dose of 222nm UVC exposure.

No tumors were observed in Xpa-knockout mice and wild-type mice by repetitive irradiation with 222nm UVC, using a protocol which had shown to produce tumor in Xpa-knockout mice irradiated with broad-band UVB. Furthermore, erythema and ear swelling were not observed in both genotype mice following 222nm UVC exposure. Our data suggest that 222nm UVC lamps(far uv solutions 222nm uv lamp ceiling installed unit) can be safely used for sterilizing human skin as far as the perspective of skin cancer development.

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