(v. t.) To cause to pass through fine interstices, as a liquor; to filter; to strain.
(v. i.) To pass through fine interstices; to filter; as, water percolates through porous stone.
Example Sentences:
(1) As soon as the component with the lower mechanical stability is percolating the powder system, tablet hardness is controlled entirely by this component.
(2) This group consisted of 101 cases of whom 38 underwent semen treatment with Centrifugation on a Discontinuous Percoll Gradient (CDPG) and 63 with Pellet Swim-up (PS); the control group was made up of 31 normospermic patients where the semen was treated by PS.
(3) The attempt to fractionate the testicular cells by centrifugation in the continuous and discontinuous Percoll gradient was undertaken.
(4) The platelet subpopulations were separated with discontinuous gradients of Percoll.
(5) By using Percoll discontinuous density gradient centrifugation, peripheral blood nonphagocytic and nonadherent mononuclear cells were divided into the low and high density fractions for which natural killer (NK) cells and T cells were enriched, respectively.
(6) We conclude that both localized memory and percolation are possible in stimulatory idiotypic networks.
(7) The effect of activated PMN was tested on the motility of Percoll-washed spermatozoa in the presence and absence of reactive oxygen species scavengers or seminal plasma (whole or fractionated).
(8) To cope with this problem, in 27 IVF cycles, sperm selection was performed by centrifugation on discontinuous Percoll density gradient.
(9) Thirdly, the discontinuous percoll density gradient centrifugation was used to separate P. carinii cysts.
(10) Fractionation by Percoll density centrifugation of peripheral blood leucocyte cells, from atopic subjects with seasonal hay fever, unmasked IgE-B cell populations whose individual capacities to synthesize IgE in vitro were obscured in cultures of unfractionated B cells.
(11) Inspection of the cavity margins revealed absence of percolation at the dentin margins.
(12) In general, IEL of satisfactory yield and of good viability were obtained with EDTA treatment of the gut tissues, followed by rapid passages of the resultant cells through nylon-wool columns and centrifugation on two-step Percoll density gradients (45% and 80%).
(13) Basolateral membranes obtained by self-orienting Percoll-gradient centrifugation were treated with 5 mM CaCl2 to minimize the cross-contamination by brush border membranes.
(14) Percoll-purified high density small lymphocytes had little or no migratory capacity under these conditions, requiring a longer incubation time (4 hr) for consistent migration.
(15) Guinea pig marrow cell suspensions were first enriched for megakaryocytes by density equilibrium centrifugation in continuous Percoll density gradients.
(16) Using Percoll density gradient centrifugation, 1,25(OH)2D3 receptors could be localized in the basal cell fraction.
(17) After introduction of erythrocyte targets, there was a 20- to 30-min delay before initiation of phagocytosis that was not observed with monocytes prepared by the standard Percoll-gradient technique.
(18) To accomplish this, blood was obtained from patients with ragweed AR, granulocytes were isolated and fractionated by continuous density Percoll gradients, and the density distribution of these cells was determined after centrifugation.
(19) A cellular compartment from brown adipose tissue (BAT) of newborn rats was isolated by Percoll-density-gradient centrifugation and was shown to proliferate and to undergo adipose conversion in vitro in primary culture.
(20) Collagenase-dispersed cells from human chorion laeve were examined on Percoll gradients.
Strain
Definition:
(n.) Race; stock; generation; descent; family.
(n.) Hereditary character, quality, or disposition.
(n.) Rank; a sort.
(a.) To draw with force; to extend with great effort; to stretch; as, to strain a rope; to strain the shrouds of a ship; to strain the cords of a musical instrument.
(a.) To act upon, in any way, so as to cause change of form or volume, as forces on a beam to bend it.
(a.) To exert to the utmost; to ply vigorously.
(a.) To stretch beyond its proper limit; to do violence to, in the matter of intent or meaning; as, to strain the law in order to convict an accused person.
(a.) To injure by drawing, stretching, or the exertion of force; as, the gale strained the timbers of the ship.
(a.) To injure in the muscles or joints by causing to make too strong an effort; to harm by overexertion; to sprain; as, to strain a horse by overloading; to strain the wrist; to strain a muscle.
(a.) To squeeze; to press closely.
(a.) To make uneasy or unnatural; to produce with apparent effort; to force; to constrain.
(a.) To urge with importunity; to press; as, to strain a petition or invitation.
(a.) To press, or cause to pass, through a strainer, as through a screen, a cloth, or some porous substance; to purify, or separate from extraneous or solid matter, by filtration; to filter; as, to strain milk through cloth.
(v. i.) To make violent efforts.
(v. i.) To percolate; to be filtered; as, water straining through a sandy soil.
(n.) The act of straining, or the state of being strained.
(n.) A violent effort; an excessive and hurtful exertion or tension, as of the muscles; as, he lifted the weight with a strain; the strain upon a ship's rigging in a gale; also, the hurt or injury resulting; a sprain.
(n.) A change of form or dimensions of a solid or liquid mass, produced by a stress.
(n.) A portion of music divided off by a double bar; a complete musical period or sentence; a movement, or any rounded subdivision of a movement.
(n.) Any sustained note or movement; a song; a distinct portion of an ode or other poem; also, the pervading note, or burden, of a song, poem, oration, book, etc.; theme; motive; manner; style; also, a course of action or conduct; as, he spoke in a noble strain; there was a strain of woe in his story; a strain of trickery appears in his career.
(1) These variants may serve as useful gene markers in alcohol research involving animal model studies with inbred strains in mice.
(2) None of the strains was found to be positive for cytotoxic enterotoxin in the GM1-ELISA.
(3) They are going to all destinations.” Supplies are running thin and aftershocks have strained nerves in the city.
(4) In contrast, resting cells of strain CHA750 produced five times less IAA in a buffer (pH 6.0) containing 1 mM-L-tryptophan than did resting cells of the wild-type, illustrating the major contribution of TSO to IAA synthesis under these conditions.
(5) We were able to detect genetic recombination between vaccine strains of PRV following in vitro or in vivo coinoculation of 2 strains of PRV.
(6) All of the strains examined were motile and hemolytic and produced lipase and liquid gelatin.
(7) The taxonomic relationship of strains H4-14 and 25a with previously described Xanthobacter strains was studied by numerical classification.
(8) Whereas strain Ga-1 was practically avirulent for mice, strain KL-1 produced death by 21 days in 50% of the mice inoculated.
(9) These results suggest that the pelvic floor is affected by progressive denervation but descent during straining tends to decrease with advancing age.
(10) We also show that the gene of the main capsid protein is expressed from its own promoter in an Escherichia coli strain.
(11) Sequence variation in the gp116 component of cytomegalovirus envelope glycoprotein B was examined in 11 clinical strains and compared with variation in gp55.
(12) By hybridization studies, three plasmids in two forms (open circular and supercoiled) were detected in the strain A24.
(13) In addition, the fact that microheterogeneity may occur without limit in the mannans of the strains suggests that antibodies with unlimited diverse specificities are produced directed against these antigenic varieties as well.
(14) Strains isolated from the environment and staff were not implicated.
(15) The compressive strength of bone is proportional to the square of the apparent density and to the strain rate raised to the 0.06 power.
(16) Escherichia enterotoxigenic strains, Yersinia enterocolitica and Salmonella typhimurium virulent strains, Campylobacter jejuni clinical isolates possess more pronounced capacity for adhesion to enteric cells of Peyer's plaques than to other types of epithelial cells, which may be of importance in the pathogenesis of these infections.
(17) These sequences are also conserved in the same arrangement in minor sequence classes of minicircles from this strain.
(18) The isoelectric points (pI) of E1 and E2 for all VEE strains studied were approx.
(19) One rat strain (TAS) is susceptible to the anticoagulant and lethal effects of warfarin and the other two strains are homozygous for warfarin resistance genes from either wild Welsh (HW) or Scottish (HS) rats.
(20) In these bitches, a strain of E coli identical to the strain in the infected uterus was isolated.