catalysis

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catalysis

 [kah-tal´ĭ-sis]
increase in the velocity of a chemical reaction or process produced by the presence of a substance that is not consumed in the net chemical reaction or process; negative catalysis denotes the slowing down or inhibition of a reaction or process by the presence of such a substance. adj., adj catalyt´ic.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

ca·tal·y·sis

(kă-tal'i-sis),
The effect that a catalyst exerts on a chemical reaction.
[G. katalysis, dissolution]
Farlex Partner Medical Dictionary © Farlex 2012

ca·tal·y·sis

(kă-tal'i-sis)
The effect that a catalyst exerts on a chemical reaction.
[G. katalysis, dissolution]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

ca·tal·y·sis

(kă-tal'i-sis)
The effect that a catalyst exerts on a chemical reaction.
[G. katalysis, dissolution]
Medical Dictionary for the Dental Professions © Farlex 2012
References in periodicals archive ?
The impetus comes from a catalytic agent of change.
As a catalytic agent, governments are able to stimulate entrepreneurship and enterprise development among private-sector firms.
It is a disturbance generated by one catalytic agent, the electorate, among several.
The latest technology is safer and less costly than the existing one using ammonia as a catalytic agent, they said.
Catalytic Agents. Like AgNPs, AuNPs has been also developed as catalytic agents for various kinds of reactions, including removal of harmful chemicals.
Similarly, nanoparticles, which range in size from one nanometer to 100 nanometers, and are used in coatings as anti-fungal, anti-corrosion, anti-bacterial and catalytic agents. "Apart from zinc oxide, the magnesium and titanium oxide nanoparticles market is anticipated to witness significant growth," reckoned analysts at London-based Future Market Insights.
This is important, because enhancing the catalytic activity of some clusters may greatly reduce the utilization of precious metals as catalytic agents. A few studies that try to understand how the catalytic properties of size-controlled clusters are affected at the quantum level.
Afterwards, the nanoparticles were employed to act as catalytic agents for the synthesis of isocoumarin derivatives from 2-formylbenzoic acid, isocyanides, and second order amines (dibenzylamine and isopropyl amine) under solvent-free conditions."
Pirich's team has gone one step further by incorporating catalytic agents into these specialty coatings to provide further decontamination capabilities.
The SPX-DuCoNite hose pump reliably handles a variety of harsh materials, such as sodium hypochlorite, titanium dioxide, sodium hydroxide, catalytic agents, sulphuric acid, lime slurry, acidic liquors, solvents and resins.
(1) As with all catalytic agents, the manager's function is to speed up the reaction between two or more substances, thus creating the desired product.
The solution pumped is a suspension of minerals, clay and catalytic agents which is highly abrasive and toxic.