What's the difference between aggregate and scaler?

Aggregate


Definition:

  • (v. t.) To bring together; to collect into a mass or sum. "The aggregated soil."
  • (v. t.) To add or unite, as, a person, to an association.
  • (v. t.) To amount in the aggregate to; as, ten loads, aggregating five hundred bushels.
  • (a.) Formed by a collection of particulars into a whole mass or sum; collective.
  • (a.) Formed into clusters or groups of lobules; as, aggregate glands.
  • (a.) Composed of several florets within a common involucre, as in the daisy; or of several carpels formed from one flower, as in the raspberry.
  • (a.) Having the several component parts adherent to each other only to such a degree as to be separable by mechanical means.
  • (a.) United into a common organized mass; -- said of certain compound animals.
  • (n.) A mass, assemblage, or sum of particulars; as, a house is an aggregate of stone, brick, timber, etc.
  • (n.) A mass formed by the union of homogeneous particles; -- in distinction from a compound, formed by the union of heterogeneous particles.

Example Sentences:

  • (1) Aggregation was more frequent in low-osmolal media: mainly rouleaux were formed in ioxaglate but irregular aggregates in non-ionic media.
  • (2) We have examined overlapping octapeptides from the kappa IIIb light chain variable region and show that some framework peptides have the ability to bind aggregated IgG.
  • (3) Platelet-rich plasma (PRP) was prepared, and platelet aggregation studies were conducted directly or conducted on washed platelets prepared from PRP collected with ACD.
  • (4) Macrophages internalize aggregated low density lipoprotein (LDL) by LDL receptor-dependent phagocytosis.
  • (5) Cicaprost is an orally available analogue of PGI2 and has been shown to inhibit platelet aggregation in both in vitro and animal studies.
  • (6) Only IgG2a and IgG2b myeloma proteins bound readily to IC-21 Fc-receptors, the former in nonaggregated as well as aggregated form, the latter only as aggregated complexes.
  • (7) When the aggregates occurred on the cell periphery their position coincided with areas free of lamellae.
  • (8) 2-(4'-Isobutylphenyl)propionic acid, ibuprofen, is an antiinflammatory agent which possesses moderate platelet aggregation inhibitory activity.
  • (9) In addition, spontaneous platelet aggregation is increased when vegetations are present on cardiac valves.
  • (10) At concentrations several hundredfold higher than the equivalents present in the minimum concentration of rat skin soluble collagen required for platelet aggregation, neither Hyl-Gal (at 29 muM) nor Hyl-Gal-Glc (at 18 muM) caused platelet aggregation or inhibited platelet aggregation by native collagen.
  • (11) The mechanisms leading to spontaneous platelet aggregation and thrombocytopenia appear to be similar to those described for other patients with type IIB vWD.
  • (12) There is approximately a 25% decrease in aggregation from regions of the rib distal to the metaphyseal-growth plate junction (69%) to the region proximal to it (50%).
  • (13) Laboratory data were aggregated similarly within each study, using the last active drug as a grouping factor.
  • (14) No correlation could be found between DS content and state of aggregation.
  • (15) The synthetic S-nitroso-thiol, S-nitroso-N-acetylcysteine, markedly inhibited platelet aggregation with an IC50 of 6 nM.
  • (16) On the other hand, ultraviolet (320-nm) light, absorbed by 3-hydroxy-pyridinium cross-links which were rapidly photolyzed, partially dissociated polymeric collagen aggregates from bovine Achilles tendon after subsequent heating.
  • (17) The ternary complex consisting of a 65-kDa peptide originating from the proteoglycan core protein and a 43-kDa link protein bound to hyaluronic acid was purified from a clostripain digest of the rat chondrosarcoma aggregating proteoglycan and 14C-carbamylated with potassium [14C]cyanate.
  • (18) The IC50 on arachidonic acid-induced platelet aggregation was: fisetin, 22 microM; kaempferol, 20 microM; quercetin, 13 microM; morin, 150 microM less than IC50 less than 300 microM.
  • (19) Changes in the determinants of blood viscosity (packed cell volume, plasma viscosity, red cell aggregation, and red cell deformability) were studied on day 1 and day 5.
  • (20) Released aggregates of the 19.6-kDa protein were removed from suspension by ultracentrifugation and separated from contaminating membranes by washing in 1.0% sodium dodecyl sulfate (SDS).

Scaler


Definition:

  • (n.) One who, or that which, scales; specifically, a dentist's instrument for removing tartar from the teeth.

Example Sentences:

  • (1) The titanium alloy strips were treated with citric acid, stannous fluoride, tetracycline HCl, chlorhexidine gluconate, hydrogen peroxide, chloramine T, sterile water, a plastic sonic scaler tip, and an air-powder abrasive unit.
  • (2) The factory sharpened scalers exhibited metallic extensions from the lateral surface (wire edges).
  • (3) Results demonstrate that during tooth cleaning direct contact between ultrasound and turbine-operated scalers and tooth and filling surfaces should be prevented.
  • (4) Investigators using the sonic scaler should indicate the type of scaling tip, the air pressure input, and the application load used to enable meaningful comparisons to be made between the results of different workers.
  • (5) An analog scaler was placed behind the PM-tubes to reduce dead-time loss.
  • (6) Consideration of the rationalized activity coefficient as a linear scaler in an expression for surface pressure as a function of depth in the surface phase permits comparison of surface pressure-area data for monolayers with force-distance data for bilayers.
  • (7) In each patient one side of the dentition was treated with the Sonicflex and the other with the Titan-S sonic scalers.
  • (8) Since the introduction of scalers in the beginning of the century for the mechanical removal of plaque, instruments with few major modifications are still in clinical use today.
  • (9) This study compared the effectiveness of two sonic and two ultrasonic scaler tips on artificial calculus removal from the furcations of mandibular first and second molars.
  • (10) When assessing clinical studies it is often difficult to interpret results from different workers due to the lack of standardization of the ultrasonic scaler.
  • (11) The clinical investigation included 66 periodontal pockets which were instrumented subgingivally for 10 and 30 s with ultrasonic or sonic scalers.
  • (12) It also supports the interpretation of the activity coefficient as a scaler and allows its determination solely from bilayer-derived data.
  • (13) for the magnetostrictive, piezoelectric, or air turbine sonic scalers.
  • (14) This study has shown that after waterline sterilization, the use of a sterile, disposable membrane filter can eliminate the microflora from the water of an ultrasonic scaler for up to 48 hours.
  • (15) Only a thin layer of root substance (11.6 microns) was removed by the ultrasonic scaler, compared to the much greater losses sustained with the airscaler (93.5 microns), the curette (108.9 microns) and the diamond bur (118.7 microns).
  • (16) Group 1; The cutting quality of both types of the scalers was same at 200 strokes.
  • (17) The oscillatory performance of the sonic scaler differed from that observed previously with ultrasonic scalers.
  • (18) These values were lower when turbin-operated scalers were used.
  • (19) The authors' preferred procedure for sharpening scalers and curettes is described in detail; powered rotary stones are used in grinding the sides of the blade.
  • (20) The ultrasonic scaler works by the vibratory chipping action of the oscillating tip and is assisted by the presence of cavitational activity in the associated cooling water.