(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.
Sifting
Definition:
(p. pr. & vb. n.) of Sift
Example Sentences:
(1) Sift the cocoa powder over the top and lightly but thoroughly fold it in with the metal spoon.
(2) Strangers were deliberately picking through this, sifting for things they could get away with publishing,” Sherborne said.
(3) The % by weight content of leaf-like, stem, boll, seed, and weed materials sifted (3360 mum greater than particle size greater than or equal to 595 mum) from visible wastes of the Shirley Analyzer was determined for a lint sample taken after ginning but before cleaning and for a second lint sample taken after one stage of saw-type cleaning.
(4) Thanks to sifting by the Defamer blog , the emails reveal the arguments began back in February, after Angelina Jolie wanted Fincher to direct her in Cleopatra, rather than take on the Jobs film.
(5) Sift the remaining flour and fold in gently to retain as much air as possible, but make sure all the flour is incorporated.
(6) Fat sizzles, flour sifts, and delicious smells waft around.
(7) Election 2015: taxpayers worse off under every party, experts say Read more They see the world from a particular standpoint, where clarity, consistency and economic logic trump political point-scoring and what politicians call the “retail offer” to the voter – hence their tone of weary despair when sifting through the parties’ plans.
(8) Rescuers, meanwhile, sifted through the rubble in search of more casualties but a fire hindered their efforts.
(9) Gently fold until nearly combined, then sift in the remaining flour and fold until just homogenous.
(10) How do we sift through this deluge of data to find the right insights?
(11) Behind Boleat sit parliamentary lawyers, public affairs staff, 43 media staff, a 50-strong economic development unit sifting through international regulations, researchers and legions of hospitality workers.
(12) Sift over some icing sugar to lightly dust the top, then lay the walnut pieces down the centre, securing with the reserved butter icing.
(13) 4.16pm BST In the BBC studio, where pundits are still sifting through the rubble of England's collapse last night, Gary Lineker is sporting an Italy jersey.
(14) The Guardian and Manchester International Festival assembled an expert panel to sift through ideas for tackling climate change from all over the world.
(15) The refugee crisis compounds security dilemmas for European security agencies which must sift thousands of clues to find any hint of threats, and operate with tiny resources when compared to the US’s security agencies – the Department of Homeland Security alone has a $40bn budget .
(16) I have spent countless hours sifting through the daily barrage of letters from NHS 111 detailing their encounters with patients.
(17) As her parents lay dying, Chast dragged herself back to their apartment and started the grim task of sifting through a lifetime of worthless possessions.
(18) Kavanagh said that no one is opposed to co-operation with the police and that the company should hand over information when appropriate, but it was up to the police to sift through the 300m emails and hordes of other documents, not the MSC.
(19) Scotland might not be on the brink of a golden generation, but they’re not quite sifting through the scrap metal.
(20) History” does not objectively sift through speeches, pick out the best on their merits, and then dedicate them faithfully to public memory.