biocatalyst


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biocatalyst

[‚bī·ō′kad·əl·ist]
(biochemistry)
A biochemical catalyst, especially an enzyme.
References in periodicals archive ?
Obbard, "Biodiesel production using Aspergillus niger as a whole-cell biocatalyst in a packed-bed reactor," Global Change Biology Bioenergy, vol.
Synthesis of Hydrogel and Preparation of CRL-P(NiPAAm/ IA) Biocatalyst. Free radical crosslinking copolymerization was performed at 25[degrees]C in the nitrogen atmosphere, using distilled water as a solvent.
The BJH method was used for calculations of the pore size distributions (Table 1) and the prepared biocatalyst recorded total pore volume of [approximately equal to] 0.046 and 0.211 [cm.sup.3]/g, respectively, and the pore size, distributed between [approximately equal to] 0.83 and 17.18 nm and between 1.04 and 15.58 nm, with average pore diameter of 0.94 and 1.84 nm, respectively, indicating that most of the pore size distributions are found in the microporous range.
This need has resulted in process chemists utilizing their skills at the interface of chemistry and biology, and embracing biocatalysts and biocatalytic processes in organic synthesis.
Once a specific market need has been identified, the judicious selection of an appropriate biocatalyst from nature's palette of functionalities follows.
A cluster of nozzles was designed for the bulk production of the biocatalysts. Upto 85% phenol was polymerized using the fabricated biocatalysts under the optimized conditions.
"Conservative thinking" is a term used to describe the lack of knowledge of biocatalysts among managerial staff at companies, including a lack of familiarity with the existing chemicals and process, and the lack of suppliers and advertising of biocatalysts in the mills.
Biocatalyst A catalyst derived from a life form that can cause chemical reactions without undergoing permanent change.
The performance of Burkholderia cepacia lipase encapsulated in current assay may be considered satisfactory when compared with performances reported by other lipase preparations, such as Burkholderia cepacia immobilized on niobium oxide hydrate ([Nb.sub.2][O.sub.5]) (DA ROS et al., 2010), in which the immobilized biocatalyst provided 40.21% of the ethyl esters yield for a system composed of beef tallow and ethanol, for 48h.
Then, low-cost biocatalyst enzymes are used as catalyst instead of costly platinum, which is typically used in conventional batteries.
Dissolved gas is then contacted with an engineered biocatalyst that polymerizes hydrogen, oxygen and carbon into a long-chain thermoplastic polymer at high yield.