colorimeter

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colorimeter

 [kul″er-im´ĕ-ter]
an instrument for measuring the color or color intensity of a solution. See also spectrophotometer.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

col·or·im·e·ter

(kŭl'ŏr-im'ĕ-ter),
An optic device for determining the color and/or intensity of the color of a liquid.
Farlex Partner Medical Dictionary © Farlex 2012

col·or·im·e·ter

(kŏl'ŏr-im'ĕ-tĕr)
An optic device for determining the color and/or intensity of the color of a liquid.
Synonym(s): colourimeter.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

colorimeter 

An instrument for measuring a coloured stimulus by matching it with a known coloured sample.
Table C4 Principal colours of the visible spectrum (approximate range)
colourwavelength (nm)
violet380-450
blue451-490
green491-560
yellow561-590
orange591-630
red631-780
Millodot: Dictionary of Optometry and Visual Science, 7th edition. © 2009 Butterworth-Heinemann
References in periodicals archive ?
(measured in triplicates; n=3) * Significantly different from CCU at p < 0.05 (a) Measured spectrophotometrically at 546 nm using spectrophotometry diagnostic kits (b) Measured colorimetrically at 412 nm.
The concentrations of immunoglobulin A (IgA) and IgG in plasma and SIgA in jejunal extracts were measured colorimetrically, through the antigen-antibody reaction, instrument measured absorbance in the 450 nm wavelength with enzyme-linked immunosorbent assay (ELISA) kits (Cusabio Biotech Co.
Finally, the microarray spots were colorimetrically developed by vertical flow with affinity-labeled gold nanoparticles.
The concentrations of ferrous ions were determined colorimetrically at [[lambda].sub.max] = 512 nm on a Shimadzu UV-VIS spectrophotometer UV-mini 1240.
The MQuant[TM] enables detection cost-effectively and colorimetrically for easily readable results.
In this new approach, the NBT reduction was measured colorimetrically in a dissolved solution, resulting in an easier, cheaper and more sensitive assay.
Plasma glucose, triacylglycerol and total cholesterol were determined by colorimetric methods after enzymatic reaction with peroxidase (Cromatest [R] diagnostics, Joaquim Costal, Montgat, Barcelona, Spain) while, High density lipoprotein (HDL)-Cholesterol and HDL-triglyceride were also determined colorimetrically after HDL was isolated as described by Gidez et al.
In this method the hydrolysis of the substrate analog acetylthiocholine (ATChI) was determined colorimetrically by the absorbance of 2-nitro-5-thiobenzoate at 405 nm, after the reaction of DTNB with the liberated thiocholine.
The crystals were dissolved in 200 [micro]L of DMSO and the absorbance was measured colorimetrically at 570 nm with reference filter as 655 nm.
(a) the serum enzyme activities of ALT & AST were measured colorimetrically according to the method of Reitman and Frankel [13], using Biodiagnostic kits, Egypt.
Wicklow, Ireland) was used to quantify asparagine levels in are presentative cell line (F1B).The enzyme asparaginase hydrolyzes L-asparagine into L-aspartate and ammonium ions; subsequent ammonium ion concentration measured colorimetrically at 340 nm is stoichiometric with Lasparagine concentration.
Phosphorus was determined colorimetrically [Fiske and Subbarow, 1925] and calcium was analysed by atomic absorption spectrophotometry using lanthanum to suppress phosphate interference.