organic catalyst

or·gan·ic cat·a·lyst

1. Synonym(s): enzyme, ribozyme
2. a catalyst that is an organic molecule.
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The organic catalyst 4-hydroxy2,2',6,6'- tetramethylpiperidinyl-1-oxy (H-TEMPO) and trichlorovinylsilane were purchased from Energy Chemical (China).
The catalytic oxidation experiments under two well-known procedures showed that the organic catalyst TEMPO was successfully immobilized on the nanocomposite material while still maintaining good catalytic ability throughout the synthesis process.
When converting carbon dioxide from the atmosphere into a sugar, plants use an organic catalyst called an enzyme; the researchers used a metal compound called tungsten diselenide, which they fashioned into nanosized flakes to maximize the surface area and to expose its reactive edges.
This was an example of an organic catalyst. Yeast is an organic catalyst that was known even to prehistoric humanity, but yeast is a living organism.
Compared with the reported methods using expensive or unavailable organic catalysts, a common and inexpensive inorganicbase ([K.sub.2]C[O.sub.3]) was here employed as the base catalyst.
A case study at the conference will also focus on the use of non-toxic biodegradable bio - organic catalysts and new technological breakthroughs.
The organic catalysts are mixed with chemical compounds to produce substances useful to industry.
The plant will use a new line of organic catalysts, the discovery of which was announced recently by IBM's Almaden Research Center and Stanford University.
The discovery of substances such as diastase (see 1833) and pepsin (see 1836), which were organic catalysts but nonliving, turned the attention of chemists to yeast.