What's the difference between photometer and photometric?

Photometer


Definition:

  • (n.) An instrument for measuring the intensity of light, or, more especially, for comparing the relative intensities of different lights, or their relative illuminating power.

Example Sentences:

  • (1) Broad half-band width (greater than 10 nm) photometers showed little deviation from linearity.
  • (2) Using the Perkin Elmer flame photometer sodium and potassium concentrations have been measured in muscle fibers from the m. ileofibularis of Rana temporaria.
  • (3) Using Scheimpflug photography (a modified SL 45 Topcon camera) instead of the transmission measurements of incubated lenses has the advantage that disorders in lens transparency can be exactly localized and the sensitivity is much higher than the photometer readings.
  • (4) The photometer was of a type commonly used for routine determination of a haemoglobin concentration in blood.
  • (5) Three simple photometers were tested for their suitability to determine concentrations of creatinine in small animal practice.
  • (6) 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.
  • (7) The system uses a Leitz MPV II scanning photometer, a PDP-8 computer with 24 k of core memory and a Tektronix 4010 graphic display terminal.
  • (8) Combination of the photometers with a "cuvette test" produced satisfactory results on comparison with a reliable reference method.
  • (9) These parameters were analyzed by using a reflection photometer (Reflotron).
  • (10) From 1968 to 1972 and in 1975 (provisional results) urine samples collected on three days per year were examined by photometer for N-acetyl-p-aminophenol (=NAPAP, main metabolite of phenacetin) and for salicylates in the same population.
  • (11) The effect of calcium on the biogenic amine level and distribution in the mouse brain was investigated by a histochemical method using a microscopic photometer (Pl, Nikon).
  • (12) Microphotometric measurements were performed at 565 nm by means of a computer-controlled microscope photometer.
  • (13) This program was written for a Wang 720 C programmable desk calculator associated to the Zeiss scanning photometer MP01.
  • (14) The available forms of Na2O and K2O were determined in the soil on a flame photometer.
  • (15) The assay is set up in microtitre plates, and following an uptake phase and removal of non-ingested erythrocytes, pseudoperoxidase activity is measured in detergent lysates of phagocytes, using an ELISA reader photometer.
  • (16) Quantitative parameters of the chromatin structure in the same nuclei measured in situ by a scanning microscope-photometer (step size 0.125 micron) before and after staining were equal.
  • (17) The assay result may also be read in a photometer, if the solution is first transferred to a transparent microtiter well.
  • (18) We evaluated eight blood glucose monitors (BGMs), from six manufacturers, that are lightweight, portable, battery-powered, relatively inexpensive handheld reflectance photometers that use test strips for self-monitoring of blood glucose levels.
  • (19) Evaluation was accomplished by comparing statistical morphometric and photometric data taken from digital images of FAMs generated by the microscope photometer.
  • (20) The amount of horse radish peroxidase labeled protein-A or anti-rat IgG bound to the antigen-antibody complexes is measured on the spectro photometer at wave length of 492 nm.

Photometric


Definition:

  • (a.) Alt. of Photometrical

Example Sentences:

  • (1) In 58 patients with Stage II-III congestive circulatory insufficiency photometric techniques permitted to reveal an increased aggregation of platelets and erythrocytes.
  • (2) To evaluate a recently developed latex photometric immunoassay (LPIA) that which can measure 40 samples quantitatively within 30 minutes, we measured D-dimer levels in blood samples obtained from patients with disseminated intravascular coagulation (DIC).
  • (3) By modifying the photometric method for some milk-products as cream, joghurt, and quarge QAC can be determined at minimal concentrations of 1 ppm.
  • (4) The photometric principles common to pulse oximetry and infrared capnometry are examined in detail.
  • (5) A spatial filter capillary red blood cell velocimeter was implemented in video format by means of a linear array of video photometric windows whose number could be varied from two to eight.
  • (6) The 650-nm adapting fields produced large changes in photometric setting but only small changes in the measured phase shift.
  • (7) Plasma-and urine concentrations were analysed by a photometric procedure specific for flupirtine and its active metabolite D 13223.
  • (8) Snake venom proteins acting with a defined specificity on cellular or plasmatic components of the human haemostatic system are being used in coagulation and aggregation tests, in photometric assays in conjunction with chromogenic substrates as well as in immunological systems as biochemical tools for research and diagnostic purposes.
  • (9) In the lumbar vertebrae of lathyritic rats bone remodelling was investigated using histomorphometrical and tetracycline labelling methods and a newly developed, computer-aided photometrical quantitation of mineral densities in microradiographs.
  • (10) In this photometric platelet aggregation test (PAT III) a small amount (0.6 ml) of platelet-rich plasma (PRP) is being rotated in a disc-shaped cuvette at 20 rpm, at 37% C. Changes in optical density of PRP which are induced by the formation of platelet aggregates are continuously registered using a chart recorder.
  • (11) In addition, the Na+ contents and K+ contents have been measured with the flame photometric technique.
  • (12) Most of the transcutaneous oximeters in use today rely on either electrochemical or photometric principles for their determinations.
  • (13) CBF was measured photometrically in biopsies from the ciliated epithelium of the nose.
  • (14) Thus, photometric analysis of erythroid cells at RA 410 and RA 600 against A 520 seems to provide useful parameters for comparative studies on vertebrate erythroid cells.
  • (15) Changes in cell volume induced by small step changes in external osmolality were followed photometrically and the time constant for the exponential approach of cell volume to its new equilibrium value was determined.
  • (16) Using the photometric micromethod of Niesel and Thews the authors determined the oxygen fixation blood curves at 20 degrees C and at CO2 tension of 38 mm Hg in newborn piglests until 71 days post partum.
  • (17) The presence of fibronectin was examined on immunoperoxidase stained tissue specimens with the aid of a microscope-photometric technique.
  • (18) Comparison with results by an established batch-photometric analyzer demonstrated excellent precision and accuracy for various clinical chemistry tests.
  • (19) Data obtained by automated photometric assessment at selected intervals were processed by the aggregation method using a block distance as the coefficient of similarity.
  • (20) At such clinically relevant levels the inter-assay CV was below 10% and photometric absorbance correlated to antigen levels was nearly linear.

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