What's the difference between aggregate and ballast?

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).

Ballast


Definition:

  • (a.) Any heavy substance, as stone, iron, etc., put into the hold to sink a vessel in the water to such a depth as to prevent capsizing.
  • (a.) Any heavy matter put into the car of a balloon to give it steadiness.
  • (a.) Gravel, broken stone, etc., laid in the bed of a railroad to make it firm and solid.
  • (a.) The larger solids, as broken stone or gravel, used in making concrete.
  • (a.) Fig.: That which gives, or helps to maintain, uprightness, steadiness, and security.
  • (v. t.) To steady, as a vessel, by putting heavy substances in the hold.
  • (v. t.) To fill in, as the bed of a railroad, with gravel, stone, etc., in order to make it firm and solid.
  • (v. t.) To keep steady; to steady, morally.

Example Sentences:

  • (1) But does this imply that distomers must always be considered as detrimental ballast?
  • (2) For miles, only the strip of land for the track is dug up, but in places the footprint is much wider: access routes for work vehicles; holding areas for excavated earth; new electricity substations; mounds of ballast prepared for the day when quarries cannot keep pace with the demands of the construction; extra lines for the trains that will lay the track.
  • (3) That's likely to mean a tweak in set-up – most likely Vidal will play in more of an advanced role, with Silva adding extra ballast in behind him.
  • (4) They decreased the filtrate turbidity, concentration of the organic ballast, etc.
  • (5) The general supremacy of classical theory of balanced nutrition entailed the tendency to remove ballast substances from food products.
  • (6) Two years ago, on a dizzy night in Stratford where it seemed that everyone had forgotten to bring ballast, Greg Rutherford became the Olympic long jump champion .
  • (7) Fifteen refractive astigmats were fitted with prism ballasted and truncated plano, spherical lenses and prescription toric soft lenses.
  • (8) Although Mr Binnie did not take passengers, he took ballast to reproduce the weight of two passengers.
  • (9) There are other substances with properties that might justify their use, such as ballast preparations, some antidepressive agents, and a few compounds acting principally on the gastrointestinal tract.
  • (10) Reduction of fat and food without ballast reduced the excretion of oxalic acid in urine.
  • (11) Potentialities of electrochemical procedures were considered in simulation of liver monooxygenases functions directed to clearance of blood and tissues from toxic and ballast substances by means of hydroxylating oxidation.
  • (12) For instance, shoring up railways to prevent the ballast under the tracks from being swept away is a mammoth job, costing millions.
  • (13) As a result of a change in attitude of the regulatory authorities, however, for new drugs the choice in future between the racemic therapeutic or the single isomeric ballast-free drug will largely be based on a critical evaluation of the chiral characteristics with regard to their therapeutic, toxicological and pharmacokinetic aspects.
  • (14) The method to isolate protease preparations is developed with optimization of production cycles of the stabilization, vacuum-concentration, ballast protein salting-out and lyophilization stages.
  • (15) One of the techniques commonly used in stabilizing the rotation of a contact lens is prism ballasting.
  • (16) Mr Cameron may have been seeking intellectual ballast and coolness-by-association; the Oxford First ended up looking out of his depth.
  • (17) The summary preparation stellin along with a low antiheparin activity possessed a high toxicity explained by the content of ballast proteins of the nonprotamin nature.
  • (18) Therefore, from microecological-physiological aspects it is suggested to expand the term ballast matter by so-called "optional" or "potential" ballast matter (in the small intestine usually digestible but incompletely degraded nutriments) in addition to "obligatory" ballast matter (nutriments not digestible by indigene enzymes).
  • (19) Ultimately, the use of a Fluoroperm prism-ballasted fitting set resulted in 16 of 17 eyes (94%) seeing well with a front toric lens.
  • (20) The virus thus purfied retained completely its haemagglutinating activity and infectivity, and by one purification cycle at least 99% of ballast proteins were removed.