active center

(redirected from catalytic center)
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active center

[′ak·tiv ′sen·tər]
(astronomy)
A localized, transient region of the solar atmosphere in which sunspots, faculae, plages, prominences, solar flares, and so forth are observed.
(biochemistry)
A flexible portion of an enzyme that binds to the substrate and converts it into the reaction product.
In carrier and receptor proteins, the portion of the molecule that interacts with the specific target compounds.
(chemistry)
Any one of the points on the surface of a catalyst at which the chemical reaction is initiated or takes place.
References in periodicals archive ?
Covestro developed the entirely new production process in collaboration with partners the University of Stuttgart, the CAT Catalytic Center at RWTH Aachen University, and Bayer AG and has confirmed its feasibility in the laboratory.
T219A) is located in domain three which contains the catalytic center of the enzyme.
External Institutions in Germany such as the CAT Catalytic Center, the Leibniz Institute for Catalysis and the Fraunhofer Institute for Chemical Technology are also involved.
The reactivity of organotransition metal complexes depends on the ligand environment of the metal, so optimizing the catalytic center by varying the ligand properties is a powerful tool in homogeneous catalysis.
TCG will become the catalytic center of a network of theatre people building more creative, diverse and civically engaged communities through theatre.
Said Bailkin: "Bertlesmann will be creating a catalytic center for those not now in the New York market.
Covestro is working with the University of Stuttgart, the CAT Catalytic Center at RWTH Aachen University, and Bayer AG to further develop the process.
The company discovered the catalyst that brings about the chemical reaction with the required level of efficiency, and developed it together with the CAT Catalytic Center.