(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.
Instrument
Definition:
(n.) That by means of which any work is performed, or result is effected; a tool; a utensil; an implement; as, the instruments of a mechanic; astronomical instruments.
(n.) A contrivance or implement, by which musical sounds are produced; as, a musical instrument.
(n.) A writing, as the means of giving formal expression to some act; a writing expressive of some act, contract, process, as a deed, contract, writ, etc.
(n.) One who, or that which, is made a means, or is caused to serve a purpose; a medium, means, or agent.
(v. t.) To perform upon an instrument; to prepare for an instrument; as, a sonata instrumented for orchestra.
Example Sentences:
(1) 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.
(2) Breast temperatures have been measured by the automated instrumentation called the 'Chronobra' for 16 progesterone cycles in women at normal risk for breast cancer and for 15 cycles in women at high risk for breast cancer.
(3) After a review of the technical development and application of staplers from their introduction to the present day, the indications to the use of this instrument in all gastroenterological areas from the oesophagus to the rectum as well as in chest, gynaecological and urological surgery specified.
(4) Short-forms of Wechsler intelligence tests have abounded in the literature and have been recommended for use as screening instruments in clinical and research settings.
(5) Atrioventricular (AV) delay that results in maximum ventricular filling and physiological mechanisms that govern dependence of filling on timing of atrial systole were studied by combining computer experiments with experiments in the anesthetized dog instrumented to measure phasic mitral flow.
(6) The instrument is a definite aid to the surgeon, and does not penalize the time required for surgery.
(7) Furthermore, the AMDP-3 scale and its manual constitute a remarkable teaching instrument for psychopathology, not always enough appreciated.
(8) But it [Help to Buy] is the right policy instrument to deal with a specific problem."
(9) Clinical use of this instrument is no more difficult than conventional immersion ultrasonography.
(10) The performance of the instrument was evaluated by undertaking in vitro measurements of the reflectance spectra of blood.
(11) Several recommendations, based upon the results of this survey study, the existing literature relevant to the ethical responsibilities of investigators who conduct research with children, and our own experiences with these instruments and populations, are made to assist researchers in their attempts to use these inventories in an ethical manner.
(12) Utilizing standardized instruments, family and demographic predictors of general and problem-solving knowledge pertaining to diabetes were identified in 53 newly diagnosed children.
(13) A compact attachment for microscope-type instruments is described enabling to introduce, rapidly and qualitatively, minute biological speciments into melted embedding medium and ensuring the safety of optics.
(14) This paper considers the advantages and disadvantages of the instrument together with indications for its use and reviews 118 patients who had 130 oral lesions removed with the CO2 laser.
(15) The inflammatory response is active in the embryo midway through incubation and is probably instrumental in protection of the embryo.
(16) To examine the possibility of prolongation of the standing times of instrument disinfectants, in vitro tests under high albumin exposure and tests in clinical practice were done.
(17) This, too, is a functional technique although the method and instruments are totally different.
(18) One abutment was used to evaluate each of nine oral hygiene instrumentation methods used for specified lengths of time or instrument strokes.
(19) Out-patient treatment, instrumentation and postgraduated teaching is dealt with.
(20) There is considerable evidence to suggest that intra-alveolar plasminogen activation is instrumental in many aspects of inflammatory lung injury and subsequent tissue repair.