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Augmentation of H2 photoproduction in Rhodopseudomonas palustris by N-heterocyclic aromatic compounds |
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| Authors: | Archana A Sasikala Ch Ramana Ch V |
| Institution: | (1) Environmental Microbial Biotechnology Laboratory, Centre for Environment, IPGS&R, JNT University, Hyderabad, 500 028, India;(2) Department of Plant Sciences, School of Life Sciences, University of Hyderabad, P.O. Central University, Gachibowli, Hyderabad, 500 046, India |
| Abstract: | Increases of 23- (5.6 mmol acetylene reduced mg dry wt–1) and 16- (4 mmol acetylene reduced mg dry wt–1) fold in nitrogenase activity and 12- (671  l H2 mg dry wt–1 h–1) and 6- (349 l mg dry wt–1 h–1) fold in H2 photoproduction in Rhodopseudomonas palustris JA1 over 24 h were achieved with pyrazine 2-carboxylate (3 mM) and 3-picoline (3 mM), respectively, and were higher than earlier reports of enhancement (1.5 to 5- fold) in biological H2 production using various alternative methods. |
| Keywords: | H2 photoproduction N-heterocyclic aromatics nitrogenase pyrazine-2-carboxylate Rhodopseudomonas palustris |
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