(n.) An instrument for measuring the depth of the color of anything, especially of a liquid, by comparison with a standard liquid.
Example Sentences:
(1) The colorimeter output is several orders of magnitude above the lower limit of detection of the photon counter.
(2) An elution electrophoresis system in which a porous packed bed is used for separation and a flow photometer or colorimeter for continuous monitoring of the eluate may be capable of rapid, high-resolution analysis of serum proteins and other protein mixtures with very little manual labor.
(3) The results of the assay can be read either with a simple colorimeter or the naked eye.
(4) A simple vertical-beam colorimeter is described (useful in the Micro-SIA) which can be easily assembled by the user from commonly available components.
(5) The examination of each sample consisted of three parts: (1) apparent specific gravity analysis (porosity); (2) tristimulus colorimeter analysis; and (3) subjective observer color analysis.
(6) Micro colorimeters, equipped with appropriate interference filters and small-volume (2-8 mu 1) flow cells, are used as detectors.
(7) The Minolta tri-stimulus colorimeter CR-200 was used to quantify the blanching effect of topical corticosteroids in a non-occluded vasoconstriction test.
(8) In other rats, total protein concentration of peritubular capillary blood plasma was determined before, during, and after these same infusions with a newly described submicroliter fiber-optic colorimeter.
(9) The irritant skin response was quantified by visual scoring as well as by the following noninvasive methods: measurement of transepidermal water loss (TEWL) by an evaporimeter, measurement of skin color by a colorimeter, measurement of superficial blood flow by laser Doppler flowmetry, and measurement of edema in the skin by ultrasound A-scan.
(10) The following noninvasive measuring methods were used for evaluation of the skin before and after exposure to irritants: measurement of transepidermal water loss by an evaporimeter, measurement of electrical conductance by a hydrometer, measurement of skin blood flow by laser Doppler flowmetry, measurement of skin colour by a colorimeter and measurement of skin thickness by ultrasound A-scan.
(11) We designed and built a simple colorimeter that facilitated rapid direct visual comparison of unknown samples with known color standards.
(12) Using a Wright colorimeter the ordinary long-term, long-wave cone dark-adaptation curve was measured at 0, 2, 4, 7, 17, 25, 40 and 49 degrees nasally in the visual field.
(13) This paper describes a combined unit, consisting of an analog to digital converter and a personal computer, which was connected in parallel with the chart recorder and the analyser's 570 nm channel of the colorimeter.
(14) Divers were required to color match stimuli using either a Burnham-type colorimeter or the Munsell Limit Color Cascade.
(15) A colorimeter-based swim-up (SU) technique was developed and compared with a Hamilton Thorn Motility Analyser (HTM) for the evaluation of ram semen.
(16) Such modifications helped obtain compatible results of optic density measurements and DI values with photoelectric colorimeters of various brands.
(17) The effect of opacity on the colorimetric responses of large-area and small-area colorimeters was determined using an elastomer intended for maxillofacial prosthetics use and containing various pigments at different concentrations.
(18) The colorimeter setting is then matched by a combination of tinted trial lenses.
(19) This double-blind study evaluated the Rembrandt Lightening Gel and Whitening Toothpaste for shade change, colorimeter shade change.
(20) With both colorimeters a positive movement of the alpha-axis (toward red, P less than 0.001) and a negative movement on the L-axis (toward dark, P less than 0.01) were registered.
Standard
Definition:
(n.) A flag; colors; a banner; especially, a national or other ensign.
(n.) That which is established by authority as a rule for the measure of quantity, extent, value, or quality; esp., the original specimen weight or measure sanctioned by government, as the standard pound, gallon, or yard.
(n.) That which is established as a rule or model by authority, custom, or general consent; criterion; test.
(n.) The proportion of weights of fine metal and alloy established by authority.
(n.) A tree of natural size supported by its own stem, and not dwarfed by grafting on the stock of a smaller species nor trained upon a wall or trellis.
(n.) The upper petal or banner of a papilionaceous corolla.
(n.) An upright support, as one of the poles of a scaffold; any upright in framing.
(n.) An inverted knee timber placed upon the deck instead of beneath it, with its vertical branch turned upward from that which lies horizontally.
(n.) The sheth of a plow.
(n.) A large drinking cup.
(a.) Being, affording, or according with, a standard for comparison and judgment; as, standard time; standard weights and measures; a standard authority as to nautical terms; standard gold or silver.
(a.) Hence: Having a recognized and permanent value; as, standard works in history; standard authors.
(a.) Not supported by, or fastened to, a wall; as, standard fruit trees.
(a.) Not of the dwarf kind; as, a standard pear tree.
Example Sentences:
(1) All transplants were performed using standard techniques, the operation for the two groups differing only as described above.
(2) Standardization is possible after correction by the protein content of each individual section.
(3) Recently, the validity of the American Thoracic Society (ATS) standards for selection of spirometric test results has been questioned based on the finding of inverse dependence of FEV1 on effort.
(4) The cumulative incidence of grade II and III acute GVHD in the 'low dose' cyclosporin group was 42% compared to 51% in the 'standard dose' group (P = 0.60).
(5) For assessment of clinical status, investigators must rely on the use of standardized instruments for patient self-reporting of fatigue, mood disturbance, functional status, sleep disorder, global well-being, and pain.
(6) Anytime they feel parts of the Basic Law are not up to their current standards of political correctness, they will change it and tell Hong Kong courts to obey.
(7) Standard nerve conduction techniques using constant measured distances were applied to evaluate the median, ulnar and radial nerves.
(8) Since interferon alfa-2b (Intron A) is useful as a single agent, it is important to determine if interferon can be combined with standard chemotherapy to improve both response and survival in patients with cancer.
(9) Lysis of EAC4b,3b cellular intermediates formed to contain a low surface amount of C3b was more inhibited than was lysis of cells formed with a standard amount of C3b on the surface.
(10) The detection of these antibodies is difficult owing to the lack of standardization and of specificity of the laboratory tests.
(11) We have compared two new methods (a solvent extraction technique and a method involving a disposable, pre-packed reverse phase chromatography cartridge) with the standard method for determining the radiochemical purity of 99Tcm-HMPAO.
(12) The enzyme was quantitated by incubation of 16-micron-thick brain sections with 0.07-2 nM of the converting enzyme inhibitor 125I-351A and comparison to 125I-standards.
(13) The UK's standard position on ICC indictees is to avoid all contact unless "essential".
(14) The examination of the standard waves' amplitude and latency of the brain stem auditory evoked response (BAEP) was performed in 20 guinea pigs (males and females, weighing 250 to 300 g).
(15) This suggests that molars do not maintain a fixed relationship to incisors over time, and extreme care must be taken to standardize an experiment to a specific body weight when using this method.
(16) Using serial section electron microscopic reconstructions as a reference, we have chosen as our standard procedure a method that maximizes both the preservation of the cytoskeleton and the proportion of cells staining, while minimizing the degree of nonspecific staining.
(17) The cyclical nature of pyromania has parallels in cycles of reform in standards of civil commitment (Livermore, Malmquist & Meehl, 1958; Dershowitz, 1974), in the use of physical therapies and medications (Tourney, 1967; Mora, 1974), in treatment of the chronically mentally ill (Deutsch, 1949; Morrissey & Goldman, 1984), and in institutional practices (Treffert, 1967; Morrissey, Goldman & Klerman (1980).
(18) The standard varies from modest to lavish – choose carefully and you could be staying in an antique-filled room with your host's paintings on the walls, and breakfasting on the veranda of a tropical garden.
(19) A technique, using Nuclepore polycarbonate membrane filters as a containing medium for very small volumes of ionic standard solutions, to produce homogeneous ice standards is described.
(20) A number of variables which could influence the test has been evaluated and standardized in a way suitable for the routinary use of the technique described.