What's the difference between sampler and selection?

Sampler


Definition:

  • (n.) One who makes up samples for inspection; one who examines samples, or by samples; as, a wool sampler.
  • (n.) A pattern; a specimen; especially, a collection of needlework patterns, as letters, borders, etc., to be used as samples, or to display the skill of the worker.

Example Sentences:

  • (1) The DCM sampler is expected to contribute to public health impact assessments by facilitating detailed determinations of the identities, compositions, concentrations, sources, formation mechanisms, and biological activity of environmental toxicants in gaseous atmospheres.
  • (2) The sampling rates of the samplers were derived from Fick's First Law of Diffusion.
  • (3) A commercially available auto-sampler was modified to enable unattended sampling over a 24-h test period using a cumulative drug release test based on the USP apparatus 1.
  • (4) Airborne particulate matter was collected by high volume samplers at two sampling stations in Berlin (West) between March 1983 and February 1984 (immissions).
  • (5) The performance of a new ectocervical brush sampler--the Cervex--was compared with the Ayre spatula in 280 paired cervical smears.
  • (6) The 50% effective cut-off diameter of stage 1 of this sampler is 8.0 microns for spherical particles.
  • (7) Volumetric levels of pollens derived from broad-leaved herbaceous plant species heve been determined at a midwestern urban site with suction and rotating arm samplers.
  • (8) In the following investigation, air-germ measurements were conducted--using the Reuter-Centrifugal-Sampler (RCS) and the Sartorius-Sampler MD 3 (SAR), and using standardized nutrient-substratum and breeding conditions--in order to detect differences in the measuring process itself.
  • (9) The convenience and portability of the Reuter centrifugal air sampler (RCS) encouraged us to determine a range of 'expected values' for bacterial air counts in nine hospitals at 13 defined locations.
  • (10) The technique is applicable to the Andersen sampler.
  • (11) Electric air samplers equipped with foam plugs were used to monitor ambient air from the basement, the kitchen, and one bedroom at: 24 h prior to termiticide application, during application, and post-application at 24 h, 1 wk, and monthly for 6 mo.
  • (12) The electrostatic filter was placed in front of one of the treatment chairs and the slit sampler was, for one period, placed at a distance of 5 m from the filter.
  • (13) A new field sampler has been developed for measuring the particulate matter (PM) and carbon monoxide emissions of woodburning stoves.
  • (14) Using a newly developed SPM sampler and NO2 filter badge, continuous 4 day (96 hours) measurements were conducted in two hundred residential homes for four weeks.
  • (15) Using a low-noise air sampler and a sensitive radioimmunoassay, we measured the concentration of mite allergens in the air during sleeping with Japanese bedquilts (futon).
  • (16) The FIAX system uses quantitative indirect immunofluorescence to measure the specific binding of ANA to a sampler coated with human epithelial cells.
  • (17) The paper describes special problems of sampling toxic gases, very soluble in water, on workplaces with passive samplers.
  • (18) Andersen air samplers were used to determine the particle size distribution of Serratia marcescens aerosols created during several common laboratory procedures and simulated laboratory accidents.
  • (19) A significantly higher number of microorganisms was recovered by the Reyniers sampler.
  • (20) Air concentrations of solvents were measured with personal samplers and gas chromatography.

Selection


Definition:

  • (n.) The act of selecting, or the state of being selected; choice, by preference.
  • (n.) That which is selected; a collection of things chosen; as, a choice selection of books.

Example Sentences:

  • (1) This selective review emphasizes advances in neurochemistry which provide a context for current and future research on neurological and psychiatric disorders encountered in clinical practice.
  • (2) The ability of azelastine to influence antigen-induced contractile responses (Schultz-Dale phenomenon) in isolated tracheal segments of the guinea-pig was investigated and compared with selected antiallergic drugs and inhibitors of arachidonic acid metabolism.
  • (3) Together these results suggest that IVC may operate as a selective activator of calpain both in the cytosol and at the membrane level; in the latter case in synergism with the activation induced by association of the proteinase to the cell membrane.
  • (4) Recently, the validity of the American Thoracic Society (ATS) standards for selection of spirometric test results has been questioned based on the finding of inverse dependence of FEV1 on effort.
  • (5) This death is also dependent on the presence of chloride and is prevented with the non-selective EAA antagonist, kynurenic acid, but is not prevented by QA.
  • (6) Microionophoretically applied excitatory amino acids induced firing of extracellularly recorded single units in a tissue slice preparation of the mouse cochlear nucleus, and the similarly applied antagonist 2-amino-5-phosphonovalerate (2APV) was demonstrated to be a selective N-methyl-D-aspartate (NMDA) receptor antagonist.
  • (7) Immunocytochemistry was used to visualize cytoskeletal structures and to assay selective disruption of neurofilaments by acrylamide.
  • (8) On removal of selective pressure, the His+ phenotype was lost more readily than the Ura+ Trp+ markers, with a corresponding decrease in plasmid copy number.
  • (9) Thus, saponin and ammonium chloride can be used to isolate whole infected erythrocytes, depleted of hemoglobin, by selective disruption of uninfected cells.
  • (10) Rapid overgrowth of all cultures with the E. coli necessitated the use of selective media containing antimicrobial agents to which the E. coli was sensitive.
  • (11) These effects are similar to those reported for AVP and phorbol esters, activators of protein kinase C. Forskolin and isoproterenol, which induce cAMP accumulation, activated extractable topoisomerase II (maximum 5-15 min after treatment), but not topoisomerase I. Permeable cyclic nucleotide analogs dBcAMP and 8BrcGMP selectively activated extractable topoisomerase II and topoisomerase I activities, respectively.
  • (12) Breast reconstruction should not be limited to the requiring patients, but should represent, in selected cases with favourable prognosis, an integrative and complementary procedure of the treatment.
  • (13) A simple method of selective catheterization of the superficial femoral artery (SFA) following antegrade puncture of the common femoral artery is described.
  • (14) These patients had undergone selective and bilateral simultaneous IPS sampling for diagnostic purposes or for neurosurgical indications.
  • (15) A sensitive, selective and easy to use high-performance liquid chromatographic method for the determination of cicletanide, a new diuretic, in plasma, red blood cells, urine and saliva is described.
  • (16) Selective removal of endothelium had no effect on BK-induced contraction or the action of the antagonists.
  • (17) Aside from these characteristic findings of HCC, it was important to reveal the following features for the diagnosis of well differentiated type of small HCC: variable thickening or distortion of trabecular structure in association with nuclear crowding, acinar formation, selective cytoplasmic accumulation of Mallory bodies, nuclear abnormalities consisting of thickening of nucleolus, hepatic cords in close contact with bile ducts or blood vessels, and hepatocytes growing in a fibrous environment.
  • (18) When irradiated circular DNA, previously nicked by T4 endonuclease V, is briefly exposed to elevated temperature, the DAN becomes susceptible to the action of exonuclease V, and pyrimidine dimers are selectively released.
  • (19) Project grants to selected State and local agencies amounted to about $.8 billion.
  • (20) These results provide evidence that trait selection can change gonadotrophin receptor concentration and the dynamics of hormone secretion during the oestrous cycle of the mouse.