(a.) Lying outside the visible spectrum at its violet end; -- said of rays more refrangible than the extreme violet rays of the spectrum.
Example Sentences:
(1) Preincubation of the bacteria at 56 degrees C for 30 minutes and ultraviolet irradiation resulted in a noticeable decrease in adherence.
(2) Ultraviolet difference spectrophotometry indicates that the inactivated enzyme retains its capacity for binding the nucleotide substrates whereas the spectral perturbation characteristic of 3-phosphoglycerate binding is abolished in the modified enzyme.
(3) Allelic complementation was not observed, despite testing of a large number of allele pairs, and alleles suppressible by the ochre suppressor SUP11 were absent from a sample of 48 spontaneous mutants and occurred infrequently (7%) among a sample of ultraviolet-induced mutants.
(4) The use of a new ultraviolet laser combined with a holographic grating spectrograph promises to increase the number of fluorescing species that can be detected simultaneously.
(5) On the other hand, ultraviolet (320-nm) light, absorbed by 3-hydroxy-pyridinium cross-links which were rapidly photolyzed, partially dissociated polymeric collagen aggregates from bovine Achilles tendon after subsequent heating.
(6) Utilizing the bilateral comparison technique in 30 hospitalized patients with chronic stable plaque-type psoriasis vulgaris, we closely monitored the clinical responses to ultraviolet radiation (Westinghouse fluorescent FS40 bulbs, 290--400 nm) and a variety of tar preparations and lubricant vehicles in combination and separately.
(7) No new peak appears in the ultraviolet spectrum (240 approximately 300 nm) while mycobacillin is inactivated.
(8) Eyes exposed to ultraviolet radiation with their lenses intact were devoid of significant retinal lesions.
(9) We have investigated enhancement of pigmentation in inbred C3H- mice using tail skin as a model for testing the effects of phosphorylated DOPA (DP) and ultraviolet radiation.
(10) The method involves liquid-liquid extraction and HPLC with ultraviolet detection.
(11) Use of sunglasses that block all ultraviolet radiation and severely attenuate high-energy visible radiation will slow the pace of ocular deterioration and delay the onset of age-related disease, thereby reducing its prevalence.
(12) The effect of DNA-crosslinking agents (cisplatin and mitomycin C), a DNA-intercalating agent (adriamycin) or monofunctional psoralen (4-Met-4', 5'-dihydropsoralen plus near-ultraviolet radiation) on DNA replication in cultured mouse FM3A cells was studied by sedimentation of the pulse-labeled DNA in an alkaline sucrose gradient.
(13) Both arrested and growing cells exhibited an equal level of constitutive EPR following ultraviolet irradiation.
(14) Pyridinoline was isolated from the cross-linked peptide by preparative amino acid analysis and reversed-phase HPLC and identified by its ultraviolet absorption spectra, its fluorescence excitation and emission spectra and, for the first time, its time-of-flight secondary ion-mass spectrum.
(15) In aqueous solution at neutral pH, all the COOH-terminal fragments attain a native-like conformation, as judged both by the content of secondary structure deduced from far-ultraviolet CD spectra and by the recognition of rabbit polyclonal antibodies specific for the COOH-terminal region in native thermolysin.
(16) Affected individuals were not clinically photosensitive, but their fibroblasts demonstrated gross cytopathic changes, low survival indices and an increased frequency of DNA single strand breaks following exposure to long-wave ultraviolet radiation (UVA).
(17) One hand was treated with conventional superficial radiotherapy and the other with topical 8-methoxy-psoralen and long-wave ultraviolet light (topical PUVA).
(18) Upon binding to saccharides, ricin D displayed ultraviolet difference spectra with maxima at 280 nm and 288 nm.
(19) Monodispersed N- and C-protected linear homo-oligomethionines (n = 2- -7) are studied by measurements of circular dichroism in the vacuum ultraviolet region.
(20) Daughter-strand gaps in deoxyribonucleic acid (DNA) synthesized after exposure of excision-deficient Escherichia coli to ultraviolet light are filled during subsequent incubation in buffer, and the rate of filling is increased when the incubation in buffer is carried out in the presence of 360-nm light.