• The plate is examined under ultraviolet light at a wavelength of maximum output at about 254 nm, then left in a chromatographic chamber containing some iodine crystals until spots appear. (who.int)
  • Hill worked on the properties of ultraviolet light, developing analytic methodology, and, in collaboration with her husband Carl McClellan Hill, developing ketene synthesis which supported the development of plastics. (wikipedia.org)
  • In this study, sulforaphane was extracted from cabbage leaves and evaluated victimization GC-MS and ultraviolet illumination spectrophotometry. (scirp.org)
  • The objective of the study was to obtain a lotion foundation using epigallocatechin gallate (EGCG) as an active ingredient designed with a sun protection factor (SPF) value around 30 that can effectively protect facial skin from ultraviolet radiation (UVR) exposure and that is safe to use. (innovareacademics.in)