(n.) The act or process of filtering; the mechanical separation of a liquid from the undissolved particles floating in it.
Example Sentences:
(1) Gel filtration of the 40,000 rpm supernatant fraction of a homogenate of rat cerebral cortex on a Sepharose 6B column yielded two fractions: fraction II with the "Ca(2+) plus Mg(2+)-dependent" phosphodiesterase activity and fraction III containing its modulator.
(2) In this review, we demonstrate that serum creatinine does not provide an adequate estimate of glomerular filtration rate (GFR), and contrary to recent teachings, that the slope of the reciprocal of serum creatinine vs time does not permit an accurate assessment of the rate of progression of renal disease.
(3) The enzyme was solubilized by Triton X-100 and purified approximately 480-fold by gel filtration and affinity chromatography on alanine methyl ketone-AH-Sepharose 4B.
(4) The authors conclude that H. pylori alone causes little or no effect on an intact gastric mucosa in the rat, that either intact organisms or bacteria-free filtrates cause similar prolongation and delayed healing of pre-existing ulcers with active chronic inflammation, and that the presence of predisposing factors leading to disruption of gastric mucosal integrity may be required for the H. pylori enhancement of inflammation and tissue damage in the stomach.
(5) The molecular weight of antigen RFB2 was estimated to be approximately 85,000 daltons based on the results of gel filtration on Sepharose CL-6B.
(6) Further purification of ZAB by filtration through Sephadex G-100 gave a preparation (ZAB2) which contained the common antigen as shown by the cross-reactivity of anti-ZAB2 rat serum with seven stains of N. gonorrhoeae.
(7) The flow properties of white cells were tested after myocardial infarction, by measuring the filtration rates of cell suspensions through 8 microns pore filters.
(8) Slight cross-reactivity was apparent when crude preparations of cellular or culture filtrate antigens, used in this laboratory to detect antibodies to Candida albicans, Coccidioides immitis and Cryptococcus neoformans, were probed with hyperimmune rabbit antisera to A. fumigatus.
(9) The culture filtrate and OM preparation were capable of inhibiting the chemotaxis of PMNL in response to the chemotactic factors of E. coli but LPS of B. fragilis was not able to do so.
(10) The enzyme from rat lung was purified about 30-fold by pH treatment (NH4)2SO4 fractionation, and gel filtration.
(11) Ten filtrating blebs remained after a 5 months' follow-up period.
(12) Medium molecules have been detected by two methods, gel filtration and screening technique, in patients with diffuse purulent peritonitis and with chronic renal insufficiency.
(13) Even though the administration of demethylchlortetracycline did not produce significant decreases in the glomerular filtration rate or renal blood flow in our patient, it is advisable to control the renal function in individuals treated with this drug since it may on occasion determine renal insufficiency.
(14) The fucose-labeled glycoproteins were converted to glycopeptides by pronase digestion and separated into two major classes by gel filtration on Sephadex-G-50.
(15) Receptors solubilized with Triton X-100 eluted in gel filtration as a major peak of Mr = 330,000 and retained high affinity binding (KD = 0.25 nM).
(16) It is inferred that in this experimental model (1) high-density lipoproteins are probably excreted in the glomerular filtrate, (2) alterations in the composition of the excreted lipoproteins may occur during their passage through the nephron.
(17) Fractionation of uremic serum by gel filtration on Sephadex G-200 shows that the inhibitory activity elutes with an apparent molecular weight of greater than 200,000 daltons.
(18) Ratfish serum proteins have been fractionated by ammonium sulfate, followed by gel filtration on Sepharose 6B.
(19) In other dogfish, glomerular filtration rate, urine flow, and Na and K excretory rates were measured for 3 days following implantation of desoxycorticosterone (DOCA), adrenocorticotropin (ACTH), or spironolactone; a control group was given no drug.
(20) An isolation technique involving filtration and discontinuous density gradient centrifugation was utilized for obtaining Giardia lamblia cysts from human feces.
Waterworks
Definition:
Example Sentences:
(1) This information has been collected in Finland retrospectively from waterworks, and will be correlated with the Finnish Cancer Registry data.
(2) Removal of humus by anionic exchange is a potential process for small waterworks in Norway.
(3) For the sake of the natural character of water catchment and in order not to degrade the waterworks to mere "water-manufacturers", we are all requested to handle thoroughly and cautiously water-endangering substances.
(4) Finished drinking water samples were collected from 384 waterworks that supply 70.9% of the Norwegian population.
(5) We report a case, a 28-year-old male waterworks technician, who developed dyspnea, cough, chest pain, metallic taste and ache in the whole body three hours after heating approximately 30 ml of liquid mercury during an experiment.
(6) In the light of the current very low incidence of indigenous typhoid fever, it is suggested that the examination of relevant waterworks staff and prospective employees for carriage of the agents of potentially waterborne disease should be done selectively by appropriate laboratory tests only when indications for them are revealed by medical assessment.
(7) The Author has collaborate with the Anthos advised some sagacity and modifications, especially at the waterworks, for render "surgical" a regular odontological compact instrument.
(8) Travel tip If you’re with the kids – or just a fan of urban planning – the Waterworks Museum at Friedrichshagen has a fascinating exhibition set in a 19th-century machine hall.
(9) A second experiment was performed at a municipal waterworks in order to assess the role of water treatment processes in the production of mutagenic compounds.
(10) The waterworks founded during the second half of the last century obtained the raw water exclusively from the Ruhr-valley; they were responsible for the water supply of the industrial area situated on the right of the river Rhine.
(11) Additionally, we examined 8 samples from the waterworks of Mannheim and 4 samples from a lake in the Mannheim area.
(12) Her husband and 19-year-old son both belong to a union and have worked on underground waterworks, but both were laid off after Hurricane Sandy struck New York.
(13) Although it does not appear justified to close down waterworks effective 1 October 1989 if these limit values are exceeded, it must be carefully considered up to which concentration--depending on the individual substance--special permissions can be granted for a limited period of time.
(14) Water samples were collected from 384 waterworks that supply 70.9% of the Norwegian population.
(15) Two out of 8 untreated water samples of the waterworks of Mannheim showed mutagenic effects in the undiluted water following metabolic activation.
(16) Naturally grown cell material of Crenothrix polyspora from the well of a waterworks was studied by means of phase-contrast and Nomarski interference microscopy as well as by transmission electron microscopy.
(17) The waterworks pre-purified the water from the Ruhr before infiltration into the underground in order to increase the quantity and quality of the recharged water.
(18) This development was caused by a sudden increase of the Aeromonas density in the drinking water of the municipal Dune Waterworks of The Hague and reports about the possible health significance of these organisms in drinking water.
(19) Over the past five years, Greece has faltered on promises to sell vital parts of its infrastructure – ports, airports, marinas and waterworks – in exchange for billions of euros in loans.
(20) The contribution reports on two contamination cases, i.e., a waterwork "Durlacher Wald" and an industrial plant "Oberrheingraben" which were remedied using biological and physico-chemical methods.