What's the difference between photometric and photometry?

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.

Photometry


Definition:

  • (n.) That branch of science which treats of the measurement of the intensity of light.

Example Sentences:

  • (1) We studied the formation and structure of liquid crystalline phase of F-actin solutions by polarized light photometry, assuming that a small domain of the liquid crystalline phase works as a linear retardation plate.
  • (2) The nuclear DNA contents of 50 thyroid tumors were measured paraffin block samples and needle biopsies by using microscopic photometry, and the diagnostic value of this measurement was examined.
  • (3) Renal blood flow was measured by an electromagnetic flowmeter, glomerular filtration rate by creatinine clearance, urinary sodium by flame photometry and solute excretion by osmometry.
  • (4) Spectral luminous efficiency functions for mesopic vision were measured extensively to establish a basic data set for the mesopic photometry system.
  • (5) Various functional states of cells of sarcoma 45 in the course of its growth and regression were studied by photometry and spectral analysis using acridine orange.
  • (6) The effect of polyoxin D on Candida was evaluated in in vitro assays for its capacity to adhere to buccal epithelial cells (BEC), and by fluorescent-microscopy photometry and flow cytometry using cells stained with cellufluor (CF), a fluorochrome with affinity for chitin.
  • (7) The measurements in whole blood and plasma from intensive care patients were compared with flame photometry.
  • (8) SP-like immunoreactivity (SPLI) in the dorsal horns was quantitated using immunohistochemical staining and manual photometry.
  • (9) Concentrations were obtained per kilogram of dry mass, were converted to concentrations per litre of water content using known figures for water and solid concentration of nucleus and cytoplasm, and were then compared with measurements on cells from the same animal obtained by flame photometry.
  • (10) It is based on the microscopic photometry of stain intensities per area of functional units.
  • (11) The effect of Na and K ions on active Na transport was studied in guinea-pig auricles by means of flame photometry.
  • (12) Radiography and flame photometry have been compared as means of determining the end point of decalcification in relation to minimizing pulp-dentin separation in histological sections of teeth.
  • (13) The process of electrophoresis, a separation phenomenon, is mistakenly understood to include the sequential processes ancillary to analyte resolution, that is, staining and quantification, where the latter could be elution followed by photometry or integrating-calculating-densitometry.
  • (14) We conclude that the phasic, magnocellular cell system of the primate visual pathway underlies performance in the psychophysical task of heterochromatic flicker photometry.
  • (15) IV as a group were estimated by photometry of hydrolysed samples, using I as a reference.
  • (16) The contractile activity of the wall and valve of lymphatic microvessels (LM) of the rat mesentery were studied biomicroscopically by optic photometry.
  • (17) Intra-erythrocytic sodium was studied using hypotonic lysis and flame photometry after four washings with isotonic MgCl2 in 240 normotensive subjects (aged 10-45 years) on a free diet with (F+, 121 patients) or without (F-, 119 patients) hypertensive parents, recruited from a random sample of the general population.
  • (18) The precision levels of available alternatives for electrolyte analysis namely: flame photometry, direct and indirect ion selective electrode methods, dry chemistry, and the newly developed enzymatic approach for sodium and potassium analysis are discussed.
  • (19) The T3 response of other cardiac mRNAs was quantitated using in vitro translation, separation of 35S methionine labeled translational products and their quantitation by digital matrix photometry.
  • (20) Here we consider cancelling opposed movements for photometry with coloured lights, and some recent experiments, carried out with John Harris, on nulling 'real' against opposed 'apparent' motion for teasing out some neural movement channels.

Words possibly related to "photometric"

Words possibly related to "photometry"