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| 1 | Biosynthesis of Succulent Bamboo Shoots of Bambusa balcooa into Phytosterols and Its Biotransformation into ADD显示文摘Fermentation of the succulent bamboo shoots of Bambusa balcooa Roxb. resulted in an enrichment of phytosterols from 0.12% to 0.62% dry weight as compared to that of the fresh unfermented samples. The bacterial strains responsible for higher accumulation of phytosterols during fermentation of the bamboo shoots have been isolated and further extraction and purification of the crude phytosterols (isolated from the fermented samples) were done by TLC, UV, NMR, IR and Mass spectral analysis. The isolated phytosterols (β-sitos-terols) were then subjected to microbial transformation which yielded a considerable amount of androsta-1, 4-diene-3,17-dione (ADD) in the incubation mixture in presence of metabolic inhibitors (α, α'-dipyridyl and sodium arsenate). | Kananbala SARANGTHEM Thongam Nabakumar SINGH | 2003 | Acta Botanica Sinica2003，45，1： | 3 |
| 2 | Transformation of fermented bamboo(Dendrocalamus hamiltonii) shoots into phytosterols by microorganisms显示文摘 | SARANGTHEM K NABAKUMAR S T THONGAM W | 2003 | J Food Sci Technol2003，40，6： | 1 |
| 3 | Chemical synthesis and characterization of hydroxyapatite (HAp)-poly (ethylene co vinyl alcohol)(EVA) nanocomposite using a phosphonic acid coupling agent for orthopedic applications显示文摘 | Nabakumar Pramanik Sasmita Mohapatra Parag Bhargava | | 0，，1： | 1 |
| 4 | Nonlinear Dispersive and Dissipative Electrostatic Structures in Two-Dimensional Electron-Positron-Ion Quantum Plasma显示文摘The nonlinear features of two-dimensional ion acoustic(IA) solitary and shock structures in a dissipative electron-positron-ion(EPI) quantum plasma are investigated. The dissipation in the system is taken into account by incorporating the kinematic viscosity of ions in plasmas. A quantum hydrodynamic(QHD) model is used to describe the quantum plasma system. The propagation of small but finite amplitude solitons and shocks is governed by the Kadomtsev-Petviashvili-Burger(KPB) equation. It is observed that depending on the values of plasma parameters(viz.quantum diffraction, positron concentration, viscosity), both compressive and rarefactive solitons and shocks are found to exist. Furthermore, the energy of the soliton is computed and possible solutions of the KPB equation are presented numerically in terms of the monotonic and oscillatory shock | Nabakumar Ghosh Biswajit Sahu | 2019 | Communications in Theoretical Physics2019，71，2： | 0 |
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