(a.) Overhasty; rash; as, the king was too precipitate in declaring war.
(a.) Lacking due deliberation or care; hurried; said or done before the time; as, a precipitate measure.
(a.) Falling, flowing, or rushing, with steep descent; headlong.
(a.) Ending quickly in death; brief and fatal; as, a precipitate case of disease.
(n.) An insoluble substance separated from a solution in a concrete state by the action of some reagent added to the solution, or of some force, such as heat or cold. The precipitate may fall to the bottom (whence the name), may be diffused through the solution, or may float at or near the surface.
(v. t.) To throw headlong; to cast down from a precipice or height.
(v. t.) To urge or press on with eager haste or violence; to cause to happen, or come to a crisis, suddenly or too soon; as, precipitate a journey, or a conflict.
(v. t.) To separate from a solution, or other medium, in the form of a precipitate; as, water precipitates camphor when in solution with alcohol.
(v. i.) To dash or fall headlong.
(v. i.) To hasten without preparation.
(v. i.) To separate from a solution as a precipitate. See Precipitate, n.
Example Sentences:
(1) The nuclear origin of the Ha antigen was confirmed by the speckled nuclear immunofluorescence staining pattern given by purified antibody to Ha obtained from a specific immune precipitate.
(2) The Fc fragment of this protein reacted with and was solubilized by the staphylococcal A protein which also precipitated the intact immunoglobulin.
(3) It could be demonstrated by radioimmune precipitation of virus labeled with[35S]methionine that all three polypeptides are specific for hog cholera virions.
(4) Nine of the in vivo synthesized early polypeptides can be precipitated specifically from infected cell extracts by antisera with specificity against early adenovirus proteins.
(5) Its pathogenesis, still incompletely elucidated, involves the precipitation of immune complexes in the walls of the all vessels.
(6) The usefulness of the proposed method is obvious in cases where the composition of a precipitate on LM scale is to be compared with the LM appearance of the surrounding tissue.
(7) After precipitation of plasma proteins by addition of methanol the samples are injected directly into the liquid chromatographic system.
(8) Thus Sephadex chromatography of the solution obtained by dissolving the antigen-antibody precipitate in these media repeatedly gave two peaks corresponding to anti-ovalbumin and ovalbumin.
(9) When AMT administration was discontinued 40 hrs before precipitation of withdrawal the withdrawal pattern occurred with unchanged intensity.
(10) Using a simple precipitation technique we observed that the serum concentrations of low density lipoproteins in healthy Africans were less than half the serum concentrations in healthy Europeans.
(11) There was no correlation between anti-TNP-precipitating antibody titer after sensitization and the ability to respond to challenge by hapten-heterologous carrier.
(12) Precipitating antibodies were found in both lines; they first appeared 7 days after inoculation in P-line birds and 14 days after inoculation in N-line birds, but thereafter there was no difference between the two genetic lines.
(13) The new technique, Surface Immune Precipitation (SIP), entails the application of an antigen sample droplet directly onto the surface of a gel containing antibody, the gel being supported by a reflecting substrate.
(14) In this study we have compared purified C4A and C4B with regard to their ability to prevent immune complex precipitation and to enhance the binding of both preformed and nascent immune complexes to the receptor CR1 on red cells.
(15) A lesser inhibitory effect (a decrease in the rate of precipitation) was observed when gallbladder bile was diluted but was lost after 10-fold dilution.
(16) The first step is the preparation of a globulin-enriched fraction by precipitation with ammonium sulfate at 50% saturation, or of an immune-complex-enriched fraction by precipitation with 5% polyethylene glycol 6000.
(17) DNase I microspheres were then introduced into the extracorporeal circuit which resulted in an acceleration of degradation of acid precipitable 125I-nDNA.
(18) The dramatic nationwide increase of primary and secondary syphilis in women has precipitated a dramatic rise in congenital syphilis.
(19) The translation of mRNA for S-adenosylmethionine decarboxylase was studied using a polyamine-depleted reticulocyte lysate supplemented with mRNA from rat prostate and the antiserum to precipitate the proteins corresponding to S-adenosylmethionine decarboxylase.
(20) Only heart rate correlated closely with the precipitation of angina.
Sediment
Definition:
(n.) The matter which subsides to the bottom, frrom water or any other liquid; settlings; lees; dregs.
(n.) The material of which sedimentary rocks are formed.
Example Sentences:
(1) This clinical improvement was also associated with a decrease of erythrocyte sedimentation rate (p less than 0.001), decrease of C-reactive protein (p less than 0.0001) and with improvement of anaemia (p less than 0.05).
(2) The erythrocyte sedimentation rate is almost always markedly elevated.
(3) Histone mRNA, labeled with 32P or 3H-methionine during the S phase of partially synchronized HeLa cells, was isolated from the polyribosomes and purified as a "9S" component by sucrose gradient sedimentation.
(4) In cases without septic complications the level returned to normal within seven days, while the sedimentation rate only became normal after three months.
(5) The distance of nucleoid sedimentation increased as a function of exposure temperature and exposure time, and was proportional to an increased protein to DNA ratio in the nucleoids.
(6) Urinalysis revealed a low pH, increased ketones and bilirubin excretion, dark yellowish change in color, the appearance of "leaflet-shaped" crystals and increased red blood cells and epithelial cells in the urinary sediment, increased water intake, decreased specific gravity and decreased sodium, potassium and chloride in the urine.
(7) Neutral sucrose density sedimentation patterns indicate that neutron-induced double strand-breaks sometimes occur in clusters of more than 100 in the same phage and that the effeciency with which double strand-breaks form is about 50 times that of gamma-induced double strand-breaks.
(8) Partially purified VLPs were found to sediment at 183S in sucrose gradients and to cross-react with antibody in acute phase sera from geographically isolated cases of ET-NANBH.
(9) The following factors were studied: relative ability to adsorb virus, sedimentation of the adsorbing components, heat lability of the components, virus elution, and recovery of cell-associated virus.
(10) Other than an elevated erythrocyte sedimentation rate, there are no consistent laboratory abnormalities, and cultures of affected bone are negative.
(11) A molecular weight of 51,500 was determined from sodium dodecyl sulfate polyacrylamide gel electrophoresis, while sedimentation equilibrium ultracentrifugation gave a value of 49,500.
(12) Mononucleosomes obtained from labeled cells were fractionated by rate zonal sedimentation through a sucrose gradient in heavy water (Senshu et al.
(13) Microbiological analyses of sediments located near a point source for petrogenic chemicals resulted in the isolation of a pyrene-mineralizing bacterium.
(14) The major form, an amphiphilic dimer (G2a) which sediments at 5.3 S, and the minor form, an amphiphilic monomer (G1a) which sediments at 3.5 S. Extraction in the presence of the sulfhydryl alkylating agent N-ethylmaleimide was required to preserve the G2a form.
(15) A sedimentation coefficient of 5.6S was also determined.
(16) Seventy-four strains of Aeromonas hydrophila isolated from water and sediments of the River Porma (León, N.W.
(17) Human granulocytes from the peripheral blood of healthy donors were subjected to transient gravity sedimentation analysis in Ficoll density gradient columns (37 degrees C) containing different concentrations of Escherichia coli endotoxin-activated serum and medium 199.
(18) Sedimentation-velocity experiments indicate the M. elsdenii enzyme (s20,w = 4.95 S) to be essentially globular, while the D. vulgaris enzyme (s20,w = 4.1 S) has a less symmetric shape.
(19) Membranes were fractionated into material that sedimented at 20,000g and 100,000g.
(20) The flounder developed renal and pancreatic neoplasms and hepatotoxic neoplastic precursor lesions, demonstrating trophic transfer of sediment-bound carcinogens up the food chain.