Unfiltered UV Blacklight Lamps

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  • AN ACTION SPECTRUM FOR UV PHOTOCARCINOGENESIS *
    Unfiltered blacklight lamps (Sylva- nia FR72T12 PUVA), phosphor type BL-0 (Cole et al., 1984)were the irradiation sources. The intensity of UV -A radiation at the front surface of the cage was 70 W/m2 (unweighted …
  • Atmospheric and Biological Environmental Monitoring
    … A and bag B: Filtered ambient air bag C: Filtered diesel exhaust bag D: Unfiltered diesel exhaust Blacklight UV lamp .
  • Depth-dependent responses to solar ultraviolet radiation and oxidative stress in the zooxanthellate coral Acropora microphthalma
    This was provided by a NEC T10, 20 W fluorescent blacklight (365 nm peak emission) and a Westinghouse FS20 fluorescent lamp (312 nm peak emission) at a distance of 12 cm from the chamber window. This filter was replaced by one of UVT acrylic for measurements involving UV radiation. The biologically effective dose for the filtered and unfiltered lamps was determined as described by Smith et …
  • Quantifying the vitamin D 3 synthesizing potential of UVB lamps at specific distances over time
    Giving animals access to direct, unfiltered , and unobstructed sunlight with accessible shade and water is the best … Some lamps , which are specifically marketed for herpetologists, are manufactured to produce UVB irradiance for captive animals. The three mercury vapor lamps included T-Rex Active UV -Heat 160 watt spot (Westron Corporation, Oceanside … … two linear fluorescent lamps were Reptisun 5.0 (ZooMed Laboratories, Inc.) and Sylvania Blacklight 350 BL (Osram …
  • THE ROLE OF OXYGEN IN PHOTOSENSITIZATIONS WITH POLYACETYLENES AND THIOPHENE DERIVATIVES
    Irradiation was by two fluorescent blacklight blue tubes or monochromatic light source at the Amax of the … After initial UV absorbance spectra were taken 0.6 pe of DMFu (Aldrich) diluted 1:lO in … Ultraviolet illumination was provided by,four unfiltered 24" 20 W BLB fluorescent tubes. … taken at time zero and after 10 min of irradiation from two BLB lamps , then serial diluted …
  • http://prijipati.library.usyd.edu.au/bitstream/2123/359/1/adt-NU20010609.23261302whole.pdf
    were exposed to natural, unfiltered sunlight, and were able to thermoregulate naturally. sites) to artificial UV lights (20W Blacklight , NEC), replaced on a six-monthly basis, although in … of approximately 22 o C was maintained, and birds were provided with heat lamps throughout the brooding …
  • Ultraviolet radiation (EHC 160, 1994, 2nd edition)
    source of UV in sunlamps was usually an unfiltered mercury arc lamp UVA blacklight lamps are sometimes used in discotheques to .
  • Erythema and skin blood content
    SUMMARY We have studied the inflammatory response produced by painting pigs and hairless mice with anthracene and subsequently exposing the skin to fluorescent blacklight lamps . … after injection of ^'Cr-RBCs, the animals were irradiated under a bank of unfiltered Westinghouse F20T12BL lamps … The emission from the lamps was primarily in the region 320-400 nm ( UV -A); we refer …
  • Urocanic Acid Photochemistry and Photobiology
    worthy that treatment of viral ssDNA inactivated in the ab- sence of UA with the photoreactivating enzyme photolyase and blacklight lamps efficiently (47%) repaired the DNA damage. an indication that the major lesions are cyclobutane pyrimidine dimers (because DNA photolyase is quite … … the absence of UA, dsDNA was 13 times less sensitive than ssDNA to UV radiation, in agree … … and Escherichia coli W2 uvrA cul- tures in the absence and presence of unfiltered UVB (60% emission …
  • Studies on the mechanism of clinical tolerance in solar urticaria
    After collection of a baseline blood sample, erythema and wealing were evoked by exposure to UV -A from a circular reflector equipped with seventeen Westinghousc 20 blacklight fluorescent tubes placed symmetrically about the hand and forearm. * Unfiltered cold quartz (germicidal) lamp .