What's the difference between dilute and weaken?

Dilute


Definition:

  • (v. t.) To make thinner or more liquid by admixture with something; to thin and dissolve by mixing.
  • (v. t.) To diminish the strength, flavor, color, etc., of, by mixing; to reduce, especially by the addition of water; to temper; to attenuate; to weaken.
  • (v. i.) To become attenuated, thin, or weak; as, it dilutes easily.
  • (a.) Diluted; thin; weak.

Example Sentences:

  • (1) It includes preincubation of diluted plasma with ellagic acid and phospholipids and a starting reagent that contains calcium and a chromogenic peptide substrate for thrombin, Tos-Gly-Pro-Arg-pNA.
  • (2) Dilutional studies comparing the mechanism of inhibition of monoamine oxidase produced by Gerovital H3 and by ipronizid demonstrated that Gerovital H3 was a reversible inhibitor of monoamine oxidase.
  • (3) A one point dilution enzyme-linked immunosorbent assay (ELISA) procedure suitable for determining immunoglobulin G (IgG) antibody levels to Toxoplasma gondii (T. gondii) in community seroepidemiological surveys is described.
  • (4) Under standardized conditions, the relationship between antigen content and inhibition of chromium release was linear in a semilogarithmic plot, indicating that the antigen content can be determined from testing two dilutions of a given preparation.
  • (5) Rats were injected subcutaneously with 10 ml of air into the dorsal skin to make an air-pouch and with 2 ml of antiserum at an appropriate dilution for passive sensitization, and then 5 ml of air was removed.
  • (6) When the two most toxic isolates (diets) were diluted, survival time increased but severe growth suppression was evident.
  • (7) The immobilizing activity of human normal sera occurred in low titres only, rarely in dilutions of greater than 1:32.
  • (8) The binding follows the principle of isotope dilution in the physiologic range of vitamin B12 present in human serum.
  • (9) Additionally, lymph node cells were cultured under limiting dilution conditions, and the resultant clones here tested for cytotoxicity in the presence or absence of antibodies against Ly2 and LFA-1.
  • (10) 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.
  • (11) To determine if computed tomography (CT) can accurately measure lung volume, we compared lung gas volume measured by helium dilution with the equivalent volume calculated from CT total lung volume and density in 13 supine dogs.
  • (12) After dilution as above, lipid oxide (LP) significantly increased in III- and II-LDL media, as compared to I- and IV-LDL media.
  • (13) Changes of circulating blood volume during isoflurane or sevoflurane anesthesia were investigated by the dual indicator dilution method in eighteen mongrel dogs.
  • (14) The translocation of nascent PtdSer to the mitochondria was unaffected by 45-fold dilution of the standard reaction thus indicating that the translocation intermediate was unlikely to be a freely diffusible complex.
  • (15) In order to obtain baseline information about Lewis antigen expression in human urothelium in order that changes during malignant transformation can be evaluated, urothelium from eight individuals of known erythrocyte Lewis types were stained by a Tween-modified indirect immunoperoxidase staining technique using goat antibodies directed toward the Lewis a and Lewis b determinants and mouse monoclonal antibodies directed toward the Lewis a determinant in serial dilutions.
  • (16) The diet dilution technique overcomes the major disadvantage of the graded supplementation method for determining the requirements of amino acids, namely that of the amino acid balance changing systematically in successive dietary treatments.
  • (17) The present work describes two methods, the method of instantaneous dilution and that of gel filtration.
  • (18) The best yields occurred in a chemostat at the pH range of 3.5 to 4.5 and temperature of 30 C. A beneficial effect on Ys was observed when the dilution rate (D) was increased.
  • (19) These diets were: diet C consisting of commercial Rat Chow: diet CG, the same diet diluted with 70% glucose calories, diet A, a simulated "American" diet made up of 25 widely used foods, diet AS, the same diet supplemented with small amounts of 25 vitamins and minerals.
  • (20) Three patients reacted with a wheal size greater than or equal to a histamine control at a dilution of 1:1,000 and 3 patients at 1:100.

Weaken


Definition:

  • (v. t.) To make weak; to lessen the strength of; to deprive of strength; to debilitate; to enfeeble; to enervate; as, to weaken the body or the mind; to weaken the hands of a magistrate; to weaken the force of an objection or an argument.
  • (v. t.) To reduce in quality, strength, or spirit; as, to weaken tea; to weaken any solution or decoction.
  • (v. i.) To become weak or weaker; to lose strength, spirit, or determination; to become less positive or resolute; as, the patient weakened; the witness weakened on cross-examination.

Example Sentences:

  • (1) Now, as the Senate takes up a weakened House bill along with the House's strengthened backdoor-proof amendment, it's time to put focus back on sweeping reform.
  • (2) The use of functional test with the ACTH administration demonstrated organic affection of the CNS to sharply aggravate the weakening and even the exhaustion of the functional reserves of the glomerular and the reticular zones of the adrenal cortex developing during thyrotoxicosis, and also the reserve possibilities of the sympathico-adrenal system.
  • (3) If Lagarde had been placed under formal investigation in the Tapie case, it would have risked weakening her position and further embarrassing both the IMF and France by heaping more judicial worries on a key figure on the international stage.
  • (4) The stronger negative potentials may weaken electrostatic receptor interactions and, thereby, cause the trans(E)-isomers to be less active than cis(Z)-isomers.
  • (5) We found that the closer location of Mg2+ to the beta-phosphoryl group than to the alpha- or gamma-phosphoryl group was effective in weakening the P-O bond at which the cleavage of ATP catalyzed by most enzymes takes place.
  • (6) Extracellular potassium increases this component of the potassium current as a result of weakening of its inactivation.
  • (7) Moreover, the effect of its administration gradually weakens with repeating of the stress inducing experiment, and propiopromazine itself may act as a stress inducing factor.
  • (8) He was accused of disrespecting the FA Cup with such a weakened team but he mounted a strong defence, referencing the club’s seven injuries that have left him with only 13 fit senior outfield players.
  • (9) sec.-1); b) an enhancement of fast (15-25 Hz) oscillations in the cortical spontaneous electrical activity and weakening and modification of the effects of the blockader of synthesis of MA-alpha-methyl-dioxiphenylalanine.
  • (10) The muscle weakening procedures by the traditional recession should be avoided.
  • (11) Repeated flashes above a few per second do not so much cause fatigue of the VEPs as reduce or prevent them by a sustained inhibition; large late waves are released as a rebound excitation any time the train of flashes stops or is delayed or sufficiently weakened.
  • (12) Levin and Merkley said Wall Street has successfully managed to weaken the rule.
  • (13) Any process which weakens the cartilaginous endplate or the subchondral cancellous bone may predispose to the development of Schmorl's nodes.
  • (14) The dumping-syndrome is a severe complication of gastric surgery after operations which destroy or weaken the sphincter mechanism of the pylorus.
  • (15) The destabilization of the red cell membrane skeleton in the presence of crude iHCR is caused by release of hemin, which lowers the stability of membrane skeleton by weakening the spectrin-protein 4.1-actin interaction.
  • (16) We therefore conclude that in postrigor muscles, paratropomyosin is released from the A-I junction region following the increase in the sarcoplasmic calcium ion concentration to 10(-4) M, and then binds to thin filaments, which results in weakening of rigor linkages formed between actin and myosin.
  • (17) Companies like Origin and EnergyAustralia are pushing to weaken the target not, as they like to claim, because that would be good for customers, but because a weaker target is better for their bottom line,” Connor said.
  • (18) The centrally generated ;effort' or direct voluntary command to motoneurones required to lift a weight was studied using a simple weight-matching task when the muscles lifting a reference weight were weakened.
  • (19) One possibility is that the membrane of dystrophic muscle is weakened and becomes leaky to Ca2+.
  • (20) David Cameron thought that the SNP would weaken Labour north of the border.