(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.
Violet
Definition:
(n.) Any plant or flower of the genus Viola, of many species. The violets are generally low, herbaceous plants, and the flowers of many of the species are blue, while others are white or yellow, or of several colors, as the pansy (Viola tricolor).
(n.) The color of a violet, or that part of the spectrum farthest from red. It is the most refrangible part of the spectrum.
(n.) In art, a color produced by a combination of red and blue in equal proportions; a bluish purple color.
(n.) Any one of numerous species of small violet-colored butterflies belonging to Lycaena, or Rusticus, and allied genera.
(n.) Dark blue, inclining to red; bluish purple; having a color produced by red and blue combined.
Example Sentences:
(1) Paraffin sections (8 microns) containing the medial habenular nucleus were stained with cresyl violet and both left and right medial habenular nuclei were measured by planimetry.
(2) Transition of the dye into the carbinol form is in water extremely slow, but is greatly accelerated in the presence of an organic phase, at least for malachite green and brilliant green, but not for crystal violet and pararosaniline.
(3) The spectra were obtained with a variety of excitation wavelengths, spanning the UV, violet, and yellow-green regions of the absorption spectrum, and at temperatures of 30 and 200 K. The RR data indicate that the structures of the bacteriochlorin pigments in RCs from Rb.
(4) Polarization microscopic studies proved that Levafix Red Violet E-2BL is bound to well-oriented fibrous proteins in glia fibers.
(5) Stationary-phase cells of Escherichia coli were enumerated by the pour plate method on Trypticase soy agar containing 0.3% yeast extract (TSYA), violet red-bile agar, and desoxycholate-lactose agar, and by the most-probable-number method in Brilliant Green-bile broth and lauryl sulfate broth.
(6) The persistency of elution over long time after subsequent transfer to fresh water was calculated at 210 nm absorbance with ultra violet spectrometer.
(7) Eliminating the lymphocytes from ultra-violet radiated blood specimens, we observed a decreased effect by this retransfused blood on the whole blood viscosity after 9 radiations to 18%.
(8) After 3 days, marked lesions were noted in SNPR and GP as seen with cresyl violet staining.
(9) For quantitative measurement of Coli and Coliform microorganisms five different culture media were used (Endoagar, Hexachlorophene Endoagar, Desoxycholatcitrat Agar, Violet Red Bile Agar and Brilliant Green Broth).
(10) A complex of diagnostic and therapeutic measures, including the establishment of indications for operative treatment, development of tactics, use of ++physico-technical methods (ultrasound study, rheography, electrocardiography, ++roentgeno-contrast angiography, ultra-violet blood irradiation, electromyostimulation) was developed.
(11) The Infinity towel comes in colours more vibrant than one might expect from an eco-friendly product, including coral, green, blue and violet.
(12) In addition, a number of antiparasitic agents have been shown to exert their actions through a free radical metabolism: nitro compounds used against trypanosomatids, anaerobic protozoa and helminths; crystal violet used in blood banks to prevent blood transmission of Chagas' disease; the antimalarial primaquine, chloroquinine, and quinhasou; and quinones active in vitro and in vivo against different parasites.
(13) Ultra-violet and infra-red rays are inactive on the autonomic retina and on the hypothalamus.
(14) Studies in this country more than 20 years ago implicating ultra-violet light as a factor in the aetiology of malignant melanoma are being ratified by epidemiologic studies in the United States.
(15) One of these receptor pigments is a blue-light receptor with positive action; the other is a violet-red-light receptor which can operate far below the photosynthetic threshold and exerts a negative regulation.
(16) These organisms tolerated concentrations of crystal violet and ethyl violet about 100-fold higher at pH 5.0 than at pH 9.0.
(17) After incubation, the surviving cells were fixed with methanol and stained with crystal violet.
(18) Cellular proliferation on the crystal violet staining.
(19) Mutant W 1421 mostly studied shows the following phenotypic properties not found in the wild-type: (1) The growth is hypersensitive to various antibiotics, detergents and dyes which differ remarkably in their chemical structure and antibacterial action-mechanism, (2) the cells can be easily solubilized by 0;05% Sodium-dodecyl-sulfate, (3) the cells allow the adsorption of the rough-mutant specific Salmonella phage 6SR; (4) strong cellular binding of crystal violet, (5) agglutination of the cells in 0.3% auramin solution and (6) reduced formation of red pigment.
(20) On the other hand, the CRU emails hardly suggest that the scientists are shrinking violets.