Institution
National Chemical Laboratory
Facility•Pune, Maharashtra, India•
About: National Chemical Laboratory is a facility organization based out in Pune, Maharashtra, India. It is known for research contribution in the topics: Catalysis & Nanoparticle. The organization has 8891 authors who have published 14837 publications receiving 387600 citations.
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TL;DR: In this paper, a series of vanadia-alumina catalysts with different vanadia contents were prepared by a wet impregnation method, and the influence of the local structure of the vanadia in these catalysts on the oxidative dehydrogenation of ethylbenzene with nitrous oxide was investigated.
88 citations
TL;DR: The first example is reported of a new, molecularly defined SNS-cobalt(ii) catalyst for the acceptorless dehydrogenative coupling (ADC) of unprotected amino alcohols with secondary alcohols leading to pyrrole and pyridine derivatives.
88 citations
88 citations
TL;DR: M, verrucaria culture filtrate had 5-6 times more chitinase activity than commercial lytic enzyme preparations and this produced significantly higher levels of N-acetyl-D-glucosamine from the fungal mycelia preparations under study.
Abstract: Myrothecium verrucaria produced high levels of chitinases in a medium containing chitin used as a sole carbon source. Adding 0.03% urea increased the enzyme yield 4-fold in 7 days compared to the control. Adding oxgall (0.1%) to the growth medium gave the maximum activity (acid-swollen chitin-degrading activity, 2.0IU/ml) in 7 days. The biochemical characterization of the chitinase revealed its broader temperature (25-55°C) and pH (4.0-6.5) profiles of activity which showed its potential application in fungal mycelia degradation. Compared to commercial lytic enzyme preparations (NovoZym 234 and Onozuka R-10), M, verrucaria culture filtrate had 5-6 times more chitinase activity. And this produced significantly higher levels of N-acetyl-D-glucosamine from the fungal mycelia preparations under study.
88 citations
TL;DR: In this article, the catalysts are first activated in the initial reaction, which is started at 535-560°C, by the reduction of NiO and creation of active sites.
Abstract: NiO-LnO x
(Ln = lanthanide) catalysts (with Ni∶Ln=1∶1) without prereduction show high activity/selectivity and very high productivity in the oxidative conversion of methane to CO and H2. The catalysts are first activated in the initial reaction, which is started at 535–560°C, by the reduction of NiO and creation of active sites. The carbon deposition on the catalysts in the reaction, particularly for the NiO-Gd2O3, NiO-Tb4O7 and NiO-Dy2O3 catalysts, is quite fast but it has caused a little or no influence on the catalytic activity/selectivity. Pulse reaction of pure methane on NiO-Nd2O3 (at 600°C) shows involvement of lattice oxygen in the initial reaction and also reveals formation of carbon from CO on the catalyst reduced in the reaction.
88 citations
Authors
Showing all 8913 results
| Name | H-index | Papers | Citations |
|---|---|---|---|
| Ashok Kumar | 151 | 5654 | 164086 |
| Rajesh Kumar | 149 | 4439 | 140830 |
| Tak W. Mak | 148 | 807 | 94871 |
| John T. O'Brien | 121 | 819 | 63242 |
| Clive Ballard | 117 | 736 | 61663 |
| Yoshinori Tokura | 117 | 858 | 70258 |
| John S. Mattick | 116 | 367 | 64315 |
| Michael Dean | 107 | 419 | 63335 |
| Ian G. McKeith | 107 | 468 | 51954 |
| David J. Burn | 100 | 446 | 39120 |
| Anil Kumar | 99 | 2124 | 64825 |
| Vikas Kumar | 89 | 859 | 39185 |
| Detlef W. Bahnemann | 88 | 517 | 48826 |
| Gautam R. Desiraju | 88 | 458 | 45301 |
| Praveen Kumar | 88 | 1339 | 35718 |