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  • Sterile storage in dentistry
    Germicidal ultra - violet rays of wave length between 2,000 and 3,000 Angstrom units, generated by lamps or tubes, have been employed for many years to reduce air -borne bacteria in operating theatres, in food preparation and storage, in bacteriological laboratories…
  • XP patients from Germany: Correlation of colony-forming ability, unscheduled DNA synthesis and single-strand breaks after UV damage in xeroderma pigmentosum fi...
    After incubation for t2 h at 37 ~ in an atmosphere of 5% CO2 in air (with at least 90% humidity … and UV-irradiated with a germicidal lamp (model PCQ/X1, emitting predominantly 253.7-nm radiation; Ultra - Violet Products inc., San Gabriel…
  • An ultra‐violet sterile storage cabinet for medical and dental use
    and preparation areas, bacteriological lahora- tories, air -conditioning plants, funeral par- lours, hotels, public conveniences and the .... A cabinet provided with two germicidal ultra - violet lamps has recently become avail- able commercially$$ and to determine whether such cabinets have possible medical or dental application, a unit was obtained and a series of tests conducted to determine its sterilizing ability.
  • Photo-oxidation of polypropylene fibers exposed to short wavelength UV radiations
    In a covered, open- air chamber at room temperature (25 ºC and 55 % relative humidity), samples of fibers were exposed to irradiation from two TUV 30W G30T8 Philips lamps . .... According to the manufacturer, the TUV disinfection lamps are low-pressure mercury-vapor discharge lamps emitting shortwave ultra violet radiation with a radiation peak at 253.7 nm (UV-C) for germicidal action and the ozone- forming radiations are filtered out.
  • A sterile tray storage system for dental and medical use
    The method of maintaining the sterile environment is by ultra - violet light, which is a non-ionizing form of radiation belonging to the electromagnetic spectrum. .... Germicidal ultra- violet rays of wave length between 2,000 and 3,000 Angstrom units, generated by lamps or tubes, have been employed for many years to reduce air -borne bacteria in operating theatres, (4) in food preparation and storage, in bacterio…
  • Removal of ethylene from air and low oxygen atmospheres with ultra violet radiation.
    Ethylene was removed from cabinets and small rooms using UV radiation (184 and 254 nm) produced by germicidal lamps of rated power 11-50 W.
  • Xeroderma pigmentosum patients from Germany: Clinical symptoms and DNA repair characteristics
    …A for 12 h at 37~ in a humidifiedatmosphere of5 ~ CO2 and 95 ~ air (incubator). .... Cells were washed with phosphate-buffered saline and irradiated with a germicidal lamp (model PCQ/1, emitting predominantly 253.7 nm radiation, Ultra - violet Products, Inc., San Gabriel, CA, USA).
  • A comparison of the thermal and photochemical oxidation of 2‐propanol by two peroxoanions
    The silica cell containing the reaction mixture was reproducibly positioned exposing both windows in a merry-go-round cell holde,r (Southern New England Ultra - violet Co., Model MGR-100). .... The light source, a GE Model G4T4/1 germicidal lamp , was placed at the base of the cylindrical reflectiFg wall (30 cm in diameter). .... Axial air circulation at 70 cu ft per min maintained the chamber temperature at 22 f2”.
  • RAPID IN SITU HARVESTING AND CYTOGENETIC ANALYSIS OF PERINATAL TISSUE SAMPLES
    Chromosome spreading was carried out in an air -conditioned room with the temperature set at 22°Cand relative .... The chromosomes were conditioned by a 40 s exposure at a distance of 28 cm to a 30 W germicidal 254 nm wavelength ultra - violet (UV) lamp (SLI Lighting U.K.).
  • Dosimetry of Room‐Air Germicidal (254 nm) Radiation Using Spherical Actinometry
    An epidemiolog- ic study of radiant disinfection of air in day schools. .... Perkins, J. E., A. M. Bahlke and H. F. Silverman (1947) Effect of ultra - violet irradiation of classrooms on spread of measles in large rural central schools. .... Macher, J. M., L. E. Alevantis, Y.-L. Chang and K. S. Liu (1992) Effect of ultraviolet germicidal lamps on airborne mi- croorganisms in an outpatient waiting room.