(n.) The act of aggregating, or the state of being aggregated; collection into a mass or sum; a collection of particulars; an aggregate.
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).
Flocculation
Definition:
(n.) The process by which small particles of fine soils and sediments aggregate into larger lumps.
Example Sentences:
(1) Precipitates of calcium antimonate were formed almost exclusively in swollen clear pinealocytes, in and along their cell membranes, over their nuclei, in mitochondria, the Golgi apparatus, endoplasmic and integrade reticulums, acervuli, in vesicles surrounding synaptic bars, cytoplasmic matrix, and flocculent extracellular material.
(2) Light and transmission electron microscopic studies demonstrated large cisterns and small inclusion bodies containing a flocculent material within the rough endoplasmic reticulum of the chondrocytes.
(3) The SLS-1182DB exhibited a floccule absent in the other samples.
(4) A solution of crystalline choleragenoid was equivalent to the parent preparation in the flocculation test.
(5) By condensation they progressed from a flocculent type of granule to the definitive spherical homogeneous primary granule.
(6) The influence of pH, algal concentration, and algal growth phase on the requisite cationic flocculant dose is also reported.
(7) An antigen suspension consisting of cholesterol-lecithin particles sensitized with an extract of gonococci was used in a flocculation assay for the detection of human antibodies to Neisseria gonorrhoeae.
(8) This heat-stable component had a strong emulsifying activity, and appears to be involved in both cell surface hydrophobicity and in flocculation ability of the yeast cells.
(9) The haemagglutination, bentonite-flocculation and latex-agglutination tests are the procedures of choice at present.
(10) The 0.25-hr samples showed mitochondrial swelling, loss of cristae, and flocculent material within the inner compartment.
(11) With a similar concentration of lipid the respective quantities of cholesterol and triglyceride do not intervene in the flocculation.
(12) Each bubble was covered by an osmiophilic non-homogeneous coat of cloudy and flocculent material, native to its specific locality.
(13) Cellulose content was significantly higher in flocculating than in nonflocculating cultures.
(14) The antigenic activity of diphtheria toxoid, evaluated by the degree of its maximum binding with diphtheria antitoxin, correlated with its antitoxin-binding activity in animal experiments and did not correlate with its flocculating activity.
(15) The high protein content of milk and the protein nature of enterovirus allowed the detection of these viruses using the organic acid flocculation method.
(16) At the subcellular level, the intracytoplasmic globules in hepatocytes were surrounded by a single membrane, contained flocculent material and had enzymatic properties characteristic of lysosomes.
(17) When the anionic surfactant, dioctyl sodium sulfosuccinate, was used as a wetting agent, the suspensions were flocculated over a limited polymer concentration range.
(18) In rats electron microscopy showed mitochondria which contained flocculent densities.
(19) Primitive cell SGs average 200-330 nm; some have dense cores with lucent halos while others are filled with a homogeneous dense or flocculent material.
(20) However, flocculent densities continue to increase in size (to 337 nm diam.)