(n.) A salt containing two parts of chromic acid to one of the other ingredients; as, potassium bichromate; -- called also dichromate.
Example Sentences:
(1) Sensitization by potassium bichromate estimated by patch test only was 30%, and by MIT only also 30%, but the two test methods disagreed in 24%.
(2) Strains capable of nitrate respiration could use bichromate ions as a terminal electron acceptor in the absence of competing acceptors.
(3) Bichromate oxidability can be employed as a quantitative indicator of the total content of organic admixtures, provided that oxidation is carried out in a certain way.
(4) A pure bacterial culture utilizing chromates and bichromates as oxygen donors during growth on organic substances in anaerobic conditions was isolated from active ooze of sewage and industrial wastes containing a weak solution of chromates.
(5) The intensity of DNA repair synthesis was studied in rat lymphocytes subjected to the treatment in vivo by various concentrations of potassium bichromate and manganese chloride.
(6) The ultrastructural localization of endogenous calcium in the retina of adult cichlid fish Oreochromis mossambicus (Teleostei) was studied using the cytochemical osmiate-bichromate method of Probst (1986).
(7) Potassium bichromate stain was used to visualize pathological calcium accumulation.
(8) It seems to be the first published case of ARF after match poisoning, probably because of the presence of potassium bichromate.
(9) A history of employment in the Bichromate and Special Products Department (production of chromic acid and other products), known as the 'wet end', was associated with the increased lung cancer mortality in contrast to the Mill and Roast Department, known as the 'dry end'.
(10) It was found that manganese chloride has a direct effect on DNA, causing its damage whereas potassium bichromate has an indirect influence on DNA inhibiting its repair synthesis.
(11) It is established that potassium bichromate (K2Cr2O7) in chronic and acute poisoning evokes a significant increase in frequency of cells with chromosome aberrations in bone marrow of rats.
(12) For some substances (cadmium, bichromate, metavanadate, and bromide) individual growth (carapace length) was found to be a sensitive parameter.
(13) This method is a modified version of Golgi's Silver method and consists of the following procedures: The formalin-fixed tissue blocks were incubated in a solution containing 3% potassium bichromate (150 ml), 96% ethyl alcohol (50 ml), and concentrated acetic acid (50 ml) for 24 hrs.
(14) Common white rats were used in the study of potassium bichromate (PB) influence and paranasal sinuses mucosae.
(15) A computer-assisted calculus of the chromophores distribution in the contiguous layer around the scattering centers of a multiple scattering medium, using bichromate photometric data and an extended Kubelka-Munk expression, was developed.
(16) For the water reclaimed from the atmospheric condensate the following correlation between bichromate oxidability and the concentration of admixtures has been established: 1 mg O2 consumed corresponds approximately to 0.66 mg of organic admixtures in water.
(17) The specificity of chromium sensitization was ascertained by ear tests, specific desensitization by intravenous injection of potassium bichromate and by histological ear sections showing marked infiltrates of leukocytes following ear application of chromium-dimethyl sulfoxide in already sensitized animals.
(18) It is concluded that, although the bichrome technique is feasible, most subjects found the conventional laser method, involving red speckles alone, easier to use and that the associated results were slightly more reproducible.
(19) A study was made of the state of the tubular apparatus in 360 albino mice given repeated subcutaneous injections of potassium bichromate with intervals of 1 day, 1 week and 1 month.
(20) In 76 and 72% of 156 guinea pigs sensitized with potassium bichromate and sulfasol respectively, both the test methods gave results in agreement.
Chromate
Definition:
(n.) A salt of chromic acid.
Example Sentences:
(1) Classic technics of digital image analysis and new algorithms were used to improve the contrast on the full image or a portion of it, contrast a skin lesion with statistical information deduced from another lesion, evaluate the shape of the lesion, the roughness of the surface, and the transition region from the lesion to the normal skin, and analyze a lesion from the chromatic point of view.
(2) Scientists and clinicians concerned with underwater vision have not considered the relationship between chromatic aberration, water color, and the refractive state of the eye.
(3) Growth of cells in medium containing BrdU for two generations allows fluorometric documentation of the semiconservative distribution of newly replicated DNA between sister chromatids, and regions of sister chromated exchange are demarcated.
(4) The male:female prevalence of nickel allergy was 1:2 (sex difference p less than 0.001) and for chromate was 7:1 (sex difference p less than 0.001).
(5) The results were interpreted as the manifestation of chromatically-opponent system activities in temporal integration.
(6) In Experiment 1, newborns differentiated gray from green, from yellow, and from red: For each of these hues they preferred chromatic-and-gray checkerboards over gray squares matched in mean luminance, even though the luminance of the gray checks was varied systematically over a wide range so as to minimize nonchromatic cues.
(7) With the advent of colour coding in electro-optical displays, the need for a detailed quantification of focusing responses to chromatic stimuli is particularly important because of the influence of the chromatic aberration present in ocular optics on the focusing response of the eye.
(8) In agreement with reports from comparable centres, metals are high up on the "hitlist" of frequent allergens (nickel 24%, cobalt 9%, chromates 6%), followed by ingredients of cosmetics and toiletries (fragrances 16%, balsam of Peru 10%, Kathon 5%), whilst already way back are topical medicines (neomycin 4%, parabens 3%, lanolin 2%, benzocaine 1%) and rubber additives (thiuram-mix 2% and carba-mix 1%).
(9) Spectral differences in image size are proportional to the eye's longitudinal chromatic aberration and the axial distance between the entrance pupil and nodal point.
(10) The human epidemiological studies have provided convincing evidence that zinc chromate is a potent carcinogen and there is some evidence that calcium chromate and chromium trioxide also constitute a cancer hazard in humans.
(11) Stimulus parameters were selected to isolate the chromatic and achromatic systems.
(12) Exposure to 10(-7) M chromate solution for 7 days inhibited colony formation while acute (1 h) treatment was toxic at 5 .
(13) In many cyanobacteria, phycoerythrin expression is regulated by light wavelength in a response known as chromatic adaptation.
(14) In the lung of a rat intratracheally injected with a saline solution of sodium chromate, ascorbic acid decreased to 80% of the normal level, and ca.
(15) We conclude that, for stimuli of either achromatic or chromatic contrast, peripheral spatial resolution is limited by post-receptoral mechanisms.
(16) Patients with high-tension glaucoma showed significant losses in both chromatic and achromatic sensitivities when compared with low-tension glaucoma patients.
(17) We know a good deal less about the chromatic analyses that occur beyond these early stages.
(18) 93 patients with contact allergy to chromates were followed up for 15 years during which time they were examined clinically and patch tested quantitatively at regular intervals.
(19) Yet, the similarity of the chromatic arrangement of their centers with that of the ganglion cells shows that the four basic types of color channels are already in existence in the amacrine cells where they seem to originate.
(20) When the fields were juxtaposed, chromatic sensitivity declined with viewing duration.