(n.) An instrument for determining the amount of polarization of light, or the proportion of polarized light, in a partially polarized ray.
Example Sentences:
(1) The biosensor is a polarimeter that measures the rotation of plane polarized light proportional to glucose concentration.
(2) Common polarimeters defined the concentration of an optically active sample by measuring the intensity of the light beam after it has passed through the analyser.
(3) We used a flow polarimeter to investigate the factors influencing P of fluorescein in mammalian cells to determine whether such measurements are useful for characterizing heterogeneous cell populations.
(4) The procedure requires 0.5 mL of amniotic fluid and a standard clinical laboratory fluorescence polarimeter (TDx Analyzer, Abbott Laboratories).
(5) Using an Abbott TDX polarimeter and fluorescein - labelled angiotensin I as a tracer we measured angiotensin I by F.P.I.A.
(6) We describe a fluorescence polarization assay for use in predicting fetal lung maturity, which is suitable for the TDx Analyzer (an automated fluorescence polarimeter).
(7) The recent development of laser-based polarimeters with microdegree sensitivity has increased the applicability of optical rotation detection in HPLC.
(8) A polarimeter was used as a detector to determine the enantiomer elution orders.
(9) The analog output of a polarimeter was digitized and stored on a microcomputer disk.
(10) The CSF polarimeter showed a significant rise soon after the intravenous loading of glucose (1-30 min) but a longer lag time (45-60 min) between the peak blood glucose and peak CSF polarimeter reading.
(11) Anesthetized, adult dogs underwent intravenous glucose loading, and these preliminary in vivo studies resulted in good correlation (r = 0.98) between CSF polarimeter readings and CSF glucose by laboratory assay.
Sample
Definition:
(n.) Example; pattern.
(n.) A part of anything presented for inspection, or shown as evidence of the quality of the whole; a specimen; as, goods are often purchased by samples.
(v. t.) To make or show something similar to; to match.
(v. t.) To take or to test a sample or samples of; as, to sample sugar, teas, wools, cloths.
Example Sentences:
(1) Samples are hydrolyzed with Ba (OH)2, and the hydrolysate is passed through a Dowex-50 column to remove the salts and soluble carbohydrates.
(2) An automated continuous flow sample cleanup system intended for rapid screening of foods for pesticide residues in fresh and processed vegetables has been developed.
(3) Patient plasma samples demonstrated evidence of marked complement activation, with 3-fold elevations of C3a desArg concentrations by the 8th day of therapy.
(4) The proportion of motile spermatozoa decreased with time at the same rate when samples were prepared in either HEPES or phosphate buffers.
(5) However, this deficit was observed only when the sample-place preceded but not when it followed the interpolated visits (second experiment).
(6) Blood samples were analysed by mass spectroscopy and gas chromatography.
(7) Simplicity, high capacity, low cost and label stability, combined with relatively high clinical sensitivity make the method suitable for cost effective screening of large numbers of samples.
(8) The main clinical features pertaining to the concept of the "psycho-organic syndrome" (POS) were investigated in a sample of children who suffered from severe craniocerebral trauma.
(9) Serum samples from 23 families, including a total of 48 affected children, were tested for a set of "classical markers."
(10) Confined placental chorionic mosaicism is reported in 2% of viable pregnancies cytogenetically analyzed on chorionic villi samplings (CVS) at 9-12 weeks of gestation.
(11) Sample processing appears effective in avoiding spontaneous oxalogenesis.
(12) The correlates of three characteristics of familial networks (i.e., residential proximity, family affection, and family contact) were examined among a national sample of older Black Americans.
(13) Finally the advanced automation of the equipment allowed weekly the evaluation of catecholamines and the whole range of their known metabolites in 36 urine samples.
(14) Analysis revealed some significant differences in the false-positive rate, depending on the test method used or virus samples evaluated.
(15) Just after blood sampling, FEV1 measurements were performed.
(16) The study examined the sustained effects of methylphenidate on reading performance in a sample of 42 boys, aged 8 to 11, with attention deficit-hyperactivity disorder (ADHD).
(17) A chronic cannulation procedure is described which allows for sampling vomeronasal organ (VNO) contents repeatedly in freely moving conscious subjects.
(18) Estimates of the risk probability for each dose level and sacrifice time are found utilizing the sample likelihood as the posterior density.
(19) Flow cytometric DNA analysis was performed on both fresh and on paraffin embedded samples obtained by gastroscopic biopsies in 5 patients with histologically normal gastric mucosa (20 specimens) and by radical gastrectomies in 9 cases of human gastric cancer (36 specimens).
(20) The measurement of the intestinal metabolism of the nitrogen moiety of glutamic acid has been investigated by oral ingestion of l-[15N]glutamic acid and sampling of arterialized blood.