What's the difference between sample and strata?

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.

Strata


Definition:

  • (n.) pl. of Stratum.
  • (pl. ) of Stratum

Example Sentences:

  • (1) These laminae included the dentate hilus and strata oriens, pyramidale and lacunosum-moleculare of CA1.
  • (2) High-density lipoprotein cholesterol was increased by 7 and 9 percent by simvastatin and by 17 and 16 percent by gemfibrozil in strata I and II, respectively.
  • (3) Although their numbers are greatest in the polymorph region of the fascia dentata (FD) and in the principal cell layers stratum pyramidale (SP) and stratum granulosum (SG), GAD immunoreactive (GAD-IR) cells are numerous in other strata that contain mostly dendrites and scattered cells.
  • (4) in the US the last ten years have witnessed an alarming recrudescence involving vast strata of the population and especially children, although this is masked by the paucity of reports, as is the case also in Italy.
  • (5) It was hard to understand why the girls would go back and why they couldn’t be saved.” She said she had been disturbed by what they had uncovered during research, what she called an “institutional neglect of a certain strata of society”.
  • (6) Densities of all synapses in the strata radiatum and lacunosum-moleculare in ethanol-treated group were significantly lower than those of control group on 2, 14, 21 and 70 days.
  • (7) There were 255 women who delivered term infants with birthweights under the 31st percentile (low birthweight), who were each matched to women who delivered heavier term infants, within ethnic and gestational age strata.
  • (8) A projection-less strip appears at the expected retinotopic position in both grisea intersecting radially all the strata of the corresponding neuropiles.
  • (9) This paper emphasizes their practical usefulness in medical sciences and their theoretically close relationship with the problem of simultaneous estimation of parameters, depending on strata.
  • (10) Lesion of the fimbria-fornix resulted in a reduction of cholinergic input to the hippocampal formation as indicated by the loss of acetylcholinesterase (AChE)-positive staining in all ipsilateral hippocampal laminae and a loss of [3H]hemicholinium-3 binding to cholinergic terminals in the strata oriens (82% reduction) and radiatum (77% reduction) of areas CA2 and CA3 and in the molecular layer of the dentate gyrus (83% reduction).
  • (11) Three treatment centers were included in the present study to examine these conclusions with other populations containing adolescents, females, and patients from higher socioeconomic strata.
  • (12) On variables measuring life satisfaction or frequency of contact with relatives, however, the extent of ethnic variation declined across age strata, indicating some support for the "age as leveler" hypothesis.
  • (13) The histological features of the three deepest strata of the Optic Tectum of Barbus meridionalis were studied with several staining and impregnation techniques.
  • (14) magazine strata of society that somehow we just didn’t understand,” he says.
  • (15) Emphasis is given to the influence of heterogeneity in sexual activity and patterns of sexual contact between different strata of the population, and on earlier predictions which suggested that AIDS is capable of reversing the sign of population growth rates over time periods of a few to many decades.
  • (16) By light microscopy, the majority of varicose processes with intense TH-like immunoreactivity (LI) were contained in the hilus of the dentate gyrus (DG) and strata radiatum and lacunosum-moleculare of the CA3 region of the hippocampus.
  • (17) Our evidence demonstrates the presence of gap junctions and suggests that the distribution of gap junctions is not homogeneous among the epithelial strata.
  • (18) Neither did it influence the quantities of major keratinocyte organelles (keratin filaments, desmosomes, ribosomes, mitochondria) in the different epidermal strata.
  • (19) Stratified blocked randomization will create near balance within strata, but imbalance for the total trial may still occur.
  • (20) Synaptic input from bipolar cells was seen exclusively near the border between strata 4 and 5.