What's the difference between isolate and strain?

Isolate


Definition:

  • (v. t.) To place in a detached situation; to place by itself or alone; to insulate; to separate from others.
  • (v. t.) To insulate. See Insulate.
  • (v. t.) To separate from all foreign substances; to make pure; to obtain in a free state.

Example Sentences:

  • (1) A series of human cDNA clones of various sizes and relative localizations to the mRNA molecule were isolated by using the human p53-H14 (2.35-kilobase) cDNA probe which we previously cloned.
  • (2) On the other hand, human IL-9, which is a homologue to murine P40, was cloned from a cDNA library prepared with mRNA isolated from PHA-induced T-cell line (C5MJ2).
  • (3) Open field behaviors and isolation-induced aggression were reduced by anxiolytics, at doses which may be within the sedative-hypnotic range.
  • (4) The ability of azelastine to influence antigen-induced contractile responses (Schultz-Dale phenomenon) in isolated tracheal segments of the guinea-pig was investigated and compared with selected antiallergic drugs and inhibitors of arachidonic acid metabolism.
  • (5) One thing seems to be noteworthy in their opinion: the bacterial resistance of the germs isolated from the urine is bigger than the one of the germs isolated from the respiratory apparatus.
  • (6) Thus, saponin and ammonium chloride can be used to isolate whole infected erythrocytes, depleted of hemoglobin, by selective disruption of uninfected cells.
  • (7) Detergent-solubilized HLA antigens were isolated from a human lymphoblastoid cell using an anti-beta2-microglobulin immunoaffinity column.
  • (8) A phytochemical investigation of an ethanolic extract of the whole plant of Echites hirsuta (Apocynaceae) resulted in the isolation and identification of the flavonoids naringenin, aromadendrin (dihydrokaempferol), and kaempferol; the coumarin fraxetin; the triterpene ursolic acid; and the sterol glycoside sitosteryl glucoside.
  • (9) The present findings indicate that the deafferented [or isolated] hypothalamus remains neuronally isolated from the environment if the operation is carried out later than the end of the first week of life.
  • (10) Proliferation assays using F3 showed that 15 (14 CD4+ and 1 CD8+) of the 18 isolated clones were specific for T. gondii.
  • (11) Similar to intact crayfish, animals with an isolated protocerebrum-eyestalk complex, exhibit competent circadian rhythms in the electroretinogram (ERG).
  • (12) Reiteration VII (within protein coding regions of genes US10 and US11) and reiteration IV (within introns of genes US1 and US12) were stable between the isolates (group 1).
  • (13) The role of O2 free radicals in the reduction of sarcolemmal Na+-K+-ATPase, which occurs during reperfusion of ischemic heart, was examined in isolated guinea pig heart using exogenous scavengers of O2 radicals and an inhibitor of xanthine oxidase.
  • (14) The agent present in the serum which causes dissolution of the fibrin clot was isolated and identified as pepsinogen.
  • (15) Completeness of isolation of the coronary and systemic circulations was shown by the marked difference in appearance times between the reflex hypotensive responses from catecholamine injections into the isolated coronary circulation and the direct hypertensive response from a similar injection when the circulations were connected as well as by the marked difference between the pressure pulses recorded simultaneously on both sides of the aortic balloon separating the two circulations.4.
  • (16) At the same time the duodenum can be isolated from the stomach and maintained under constant stimulus by a continual infusion at regulated pressure, volume and temperature into the distal cannula.
  • (17) Only the approximately 2.7 kb mRNA species was visualized in Northern blots of total cellular and poly(A+) RNA isolated from cardiac ventricular muscle.
  • (18) These major departmental transformations are being run in isolation from each other.
  • (19) This postulate is supported by a limited study of the serovars present among the isolates.
  • (20) Plasma membranes were isolated from rat kidney and their transport properties for sodium, calcium, protons, phosphate, glucose, lactate, and phenylalanine were investigated.

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.
  • (n.) Turn; tendency; inborn disposition. Cf. 1st Strain.

Example Sentences:

  • (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.