(n.) One who, or that which, dilutes or makes thin, more liquid, or weaker.
Example Sentences:
(1) It includes preincubation of diluted plasma with ellagic acid and phospholipids and a starting reagent that contains calcium and a chromogenic peptide substrate for thrombin, Tos-Gly-Pro-Arg-pNA.
(2) Dilutional studies comparing the mechanism of inhibition of monoamine oxidase produced by Gerovital H3 and by ipronizid demonstrated that Gerovital H3 was a reversible inhibitor of monoamine oxidase.
(3) A one point dilution enzyme-linked immunosorbent assay (ELISA) procedure suitable for determining immunoglobulin G (IgG) antibody levels to Toxoplasma gondii (T. gondii) in community seroepidemiological surveys is described.
(4) Under standardized conditions, the relationship between antigen content and inhibition of chromium release was linear in a semilogarithmic plot, indicating that the antigen content can be determined from testing two dilutions of a given preparation.
(5) Rats were injected subcutaneously with 10 ml of air into the dorsal skin to make an air-pouch and with 2 ml of antiserum at an appropriate dilution for passive sensitization, and then 5 ml of air was removed.
(6) When the two most toxic isolates (diets) were diluted, survival time increased but severe growth suppression was evident.
(7) The immobilizing activity of human normal sera occurred in low titres only, rarely in dilutions of greater than 1:32.
(8) The binding follows the principle of isotope dilution in the physiologic range of vitamin B12 present in human serum.
(9) Additionally, lymph node cells were cultured under limiting dilution conditions, and the resultant clones here tested for cytotoxicity in the presence or absence of antibodies against Ly2 and LFA-1.
(10) A lesser inhibitory effect (a decrease in the rate of precipitation) was observed when gallbladder bile was diluted but was lost after 10-fold dilution.
(11) To determine if computed tomography (CT) can accurately measure lung volume, we compared lung gas volume measured by helium dilution with the equivalent volume calculated from CT total lung volume and density in 13 supine dogs.
(12) After dilution as above, lipid oxide (LP) significantly increased in III- and II-LDL media, as compared to I- and IV-LDL media.
(13) Changes of circulating blood volume during isoflurane or sevoflurane anesthesia were investigated by the dual indicator dilution method in eighteen mongrel dogs.
(14) The translocation of nascent PtdSer to the mitochondria was unaffected by 45-fold dilution of the standard reaction thus indicating that the translocation intermediate was unlikely to be a freely diffusible complex.
(15) In order to obtain baseline information about Lewis antigen expression in human urothelium in order that changes during malignant transformation can be evaluated, urothelium from eight individuals of known erythrocyte Lewis types were stained by a Tween-modified indirect immunoperoxidase staining technique using goat antibodies directed toward the Lewis a and Lewis b determinants and mouse monoclonal antibodies directed toward the Lewis a determinant in serial dilutions.
(16) The diet dilution technique overcomes the major disadvantage of the graded supplementation method for determining the requirements of amino acids, namely that of the amino acid balance changing systematically in successive dietary treatments.
(17) The present work describes two methods, the method of instantaneous dilution and that of gel filtration.
(18) The best yields occurred in a chemostat at the pH range of 3.5 to 4.5 and temperature of 30 C. A beneficial effect on Ys was observed when the dilution rate (D) was increased.
(19) These diets were: diet C consisting of commercial Rat Chow: diet CG, the same diet diluted with 70% glucose calories, diet A, a simulated "American" diet made up of 25 widely used foods, diet AS, the same diet supplemented with small amounts of 25 vitamins and minerals.
(20) Three patients reacted with a wheal size greater than or equal to a histamine control at a dilution of 1:1,000 and 3 patients at 1:100.
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.