What's the difference between catalyst and vehicle?

Catalyst


Definition:

Example Sentences:

  • (1) The radioprotective action in E. coli ATCC 9637 of ascorbate added to media containing the weak sensitizer, tetracycline (effect described by Pittillo and Lucas (1967)), was found to be dependent on the presence of metal catalysts of the autoxidation of ascorbate.
  • (2) "If I hadn't scored that goal, I might still have ended up playing in Italy [Platt went on to play for Bari, Juventus and Sampdoria] but, realistically, I'm sure it was the catalyst.
  • (3) Enzymes are good catalysts in terms of high catalytic and specific activity with ability to function under mild conditions.
  • (4) The main aim of this brief contribution is to suggest that our understanding of the general principles of osmochemistry may provide useful insights into the type of mechanism by which solute-translocating catalysts work.
  • (5) Shelby Quast, of Equality Now, said the gathering could be a “tipping point” and act as a catalyst for change, so that girls in the US could finally be protected: “It’s the first time that members of the government are coming around the table to meet with civil society, survivors and members of the diaspora – this is the first step towards putting together a comprehensive action plan to tackling FGM.” Campaigners are calling for the government to look at practical ways that FGM could be wiped out in the United States – such as engaging with paediatricians and other doctors, immigration officers and visa offices.
  • (6) With different oxidation catalysts most antioxidants and amino acids tested enhanced polymerization.
  • (7) The high sites' density with basic character, evidenced by use of various probe molecules, is very similar for the two asbestos types (chrysotile and crocidolite) and on the same order as the density encountered in some catalysts.
  • (8) Fillings were made of Concise composite resin, without applying an intermediary resin (1), after applying the resin layer (2), after diluting the mix with one (3) or two (4) drops of catalyst resin but without an intermediary resin, and after diluting the mix and applying the resin layer (5).
  • (9) Monoclonal antibodies elicited to haptens that are analogs of the transition state for hydrolysis of carboxylic esters behaved as enzymic catalysts with the appropriate substrates.
  • (10) Rapid addition of purines and pyrimidines to alpha, beta-unsaturated carbonyl compounds (such as acrolin) is a general phenomenon which does not require an amine catalyst.
  • (11) Time acts as a catalyst for members to learn to respect and appreciate each other.
  • (12) The resulting solution is directed into tubes containing a catalyst that is activated by UV light and causes the dissolved CO2 to react with water (H2O) to form methanol (CH3OH).
  • (13) Manganese therefore acts as a catalyst for the non-enzymatic reaction, but magnesium does not.
  • (14) When the reaction was done in dimethyl sulfoxide, with 1-methylimidazole as the catalyst, a third compound was observed, and identified as 1,2,4-tri-O-acetyl-3-C-(acetoxymethyl)-3-O-(methylthiomethyl)-D-glycero- tetrito l [3-O-(methylthiomethyl)apiitol tetraacetate] by gas-liquid chromatography and mass spectrometry.
  • (15) Russell also described the Commonwealth Games as a catalyst but was realistic enough not to claim they immediately changed an area with long, deep-rooted problems, or miraculously roused a poor, generally unhealthy local population into vigorously playing sport.
  • (16) The device limits the amount of oxygen entering with the sample to a maximum of 2%, which is rapidly removed by reacting with hydrogen in the presence of a palladium catalyst.
  • (17) The yields of Thf-FU and more especially of Thf2-FU were greatly dependent on the relative amount of SnCl4, and 0.01-0.1 equiv of the catalyst with respect to Me3Si-FU gave the best results.
  • (18) Some officers close to the case believe George and Allen may have always harboured paedophilic thoughts but Blanchard provided a "catalyst" which encouraged them to act out their fantasies.
  • (19) Dusan Tadic was introduced at the break and looked a catalyst for a comeback.
  • (20) These findings may indicate that trace amounts of acidic catalysts remaining after production of IPM are responsible for the toxic effect.

Vehicle


Definition:

  • (n.) That in or on which any person or thing is, or may be, carried, as a coach, carriage, wagon, cart, car, sleigh, bicycle, etc.; a means of conveyance; specifically, a means of conveyance upon land.
  • (n.) That which is used as the instrument of conveyance or communication; as, matter is the vehicle of energy.
  • (n.) A substance in which medicine is taken.
  • (n.) Any liquid with which a pigment is applied, including whatever gum, wax, or glutinous or adhesive substance is combined with it.

Example Sentences:

  • (1) They broke in with a battering ram: an armoured vehicle known as a Bearcat.
  • (2) Six of 7 SAO shock rats treated with U74006F survived for 120 min following reperfusion, while none of 7 SAO shock rats given the vehicle survived for 120 min (P less than .01).
  • (3) It would be "very easy to manipulate and access one of our vehicles", he said.
  • (4) A group of rats raised on D-P++ for 4 weeks were fed D-P- for 7 days after which they received 500 pmol of 1,25-dihydroxyvitamin D3 [1,25(OH)2D3; SUPP] or an equal volume of the vehicle (ETH).
  • (5) Neonatal treatment with a low dose of the estrogen diethylstilbestrol (DES) had no significant effect on adult estrogen binding within the assayed vaginal compartments; however, this treatment caused a 2-fold increase in the level of cytosolic progestin binding in the vaginal FMW over that in vehicle-treated mice.
  • (6) Each subject applied a vehicle cream containing 0.075% capsaicin (Axsain, GalenPharma Inc.) to a 4 cm2 area of skin on one volar forearm and vehicle alone to an identical treatment area on the other forearm, according to a double-blind procedure.
  • (7) Utilizing the bilateral comparison technique in 30 hospitalized patients with chronic stable plaque-type psoriasis vulgaris, we closely monitored the clinical responses to ultraviolet radiation (Westinghouse fluorescent FS40 bulbs, 290--400 nm) and a variety of tar preparations and lubricant vehicles in combination and separately.
  • (8) Controls were injected in the same manner with vehicle and microspheres.
  • (9) Sympathetic nervous system function was blocked in developing male SHR by treating pups from days 0 to 14 with: (1) guanethidine, (2) combined alpha- and beta-receptor antagonists (prazosin and timolol), or (3) vehicle (5% sucrose).
  • (10) The most common seenario was a vehicle-vehicle collision in which seat belts were not used and the decedent or the decedent's driver was at fault.
  • (11) Thus, the lymphoid population containing cell-mediated anti-idiotypic responsiveness served as a vehicle of resistance.
  • (12) Well known buyout firms such as Blackstone and Carlyle appear in the leaked documents, and Luxembourg investment vehicles are commonplace in such investment firms.
  • (13) Future studies will need to carefully evaluate the vehicle used and the strength of topical CsA employed.
  • (14) The Calspan 3-D Computer Simulator of a Motor Vehicle Crash Victim was used to provide estimates of the head and neck response to be expected for the very specific deceleration profiles simulated.
  • (15) "There were around 50 attackers, heavily armed in three vehicles, and they were flying the Shebab flag," Maisori added, speaking from the town, where several buildings including hotels, restaurants, banks and government offices were razed to the ground.
  • (16) Two officers who witnessed the shooting of unarmed 43-year-old Samuel DuBose in Cincinnati will not face criminal charges, despite seemingly corroborating a false claim that DuBose’s vehicle dragged officer Ray Tensing before he was fatally shot.
  • (17) Vehicle administration had no effect on pulmonary function.
  • (18) The best was the oral version of the Symbol Digit Modalities test, which by itself accounted for 70% of the variance of the full-sized-vehicle driving score.
  • (19) II with melatonin instead of 25.9% in the corresponding vehicle controls.
  • (20) Twenty-four h prior to the measurement of 45Ca2+ uptake, the cells were transferred to serum-free medium ([Ca2+], 1.0 mM) containing 1.0 nM 1,25(OH)2D3 or vehicle.