Search Results - "OGBONNA, J. C"

Improvement of mass transfer characteristics and productivities of inclined tubular photobioreactors by installation of internal static mixers by Ugwu, C.U, Ogbonna, J.C, Tanaka, H

“…The feasibility of improving mass transfer characteristics of inclined tubular photobioreactors by installation of static mixers was investigated. The mass…”
Get full text

Light/dark cyclic movement of algal culture (Synechocystis aquatilis) in outdoor inclined tubular photobioreactor equipped with static mixers for efficient production of biomass by Ugwu, C.U, Ogbonna, J.C, Tanaka, H

“…Synechocystis aquatilis SI-2 was grown outdoors in a 12.5 cm diam. tubular photobioreactor equipped with static mixers. The static mixers ensured that cells…”
Get full text

novel circulating loop bioreactor with cells immobilized in loofa (Luffa cylindrica) sponge for the bioconversion of raw cassava starch to ethanol by Roble, N.D, Ogbonna, J.C, Tanaka, H

“…A circulating loop bioreactor (CLB) with cells immobilized in loofa sponge was constructed for simultaneous aerobic and anaerobic processes. The CLB consists…”
Get full text

Characterization of light utilization and biomass yields of Chlorella sorokiniana in inclined outdoor tubular photobioreactors equipped with static mixers by Ugwu, C.U., Ogbonna, J.C., Tanaka, H.

“…Biomass productivities of Chlorella sorokiniana in inclined outdoor tubular photobioreactors equipped with static mixers were evaluated. When the tube diameter…”
Get full text

Interactions between photoautotrophic and heterotrophic metabolism in photoheterotrophic cultures of Euglena gracilis by Ogbonna, J.C, Ichige, E, Tanaka, H

“…Interactions between photoautotrophic and heterotrophic metabolism in photoheterotrophic culture of Euglena gracilis were studied. Under a low light supply…”
Get full text

An integrated solar and artificial light system for internal illumination of photobioreactors by Ogbonna, James C, Soejima, Toshihiko, Tanaka, Hideo

“…Exploitation of photosynthetic cells for the production of useful metabolites requires efficient photobioreactors. Many laboratory scale photobioreactors have…”
Get full text

Heterotrophic cultivation of Euglena gracilis Z for efficient production of α-tocopherol by OGBONNA, J. C, TOMIYAMA, S, TANAKA, H

“…Effects of hydrodynamic stress, dissolved oxygen (DO) concentration and carbon sources on heterotrophic alpha -tocopherol production by Euglena gracilis were…”
Get full text

Bioconversion of mango (Mangifera indica) seed kernel starch into bioethanol using various fermentation techniques by Awodi, P.S., Ogbonna, J.C., Nwagu, T.N.

“…The potential of mango seed kernel starch (MKS) as a feedstock for bioethanol production was evaluated in this study. Starch extraction and hydrolysis from…”
Get full text

Design of static mixers for inclined tubular photobioreactors by UGWU, C. U, OGBONNA, J. C, TANAKA, H

“…Static mixers, which improve gas-liquid mass transfer inside tubular photobioreactors and move the cells between the upper and lower parts of the tubes were…”
Get full text

Sequential heterotrophic/autotrophic cultivation - An efficient method of producing Chlorella biomass for health food and animal feed by OGBONNA, J. C, MASUI, H, TANAKA, H

“…Sequential heterotrophic/autotrophic cultivation method was investigated for production of high concentration of Chlorella biomass with high cellular protein…”
Get full text

Production of α-tocopherol by sequential heterotrophic–photoautotrophic cultivation of Euglena gracilis by Ogbonna, James C, Tomiyama, Shota, Tanaka, Hideo

“…Photoautotrophic cultivation of Euglena gracilis results in cells with high α-tocopherol content but the final cell concentration is usually very low due to…”
Get full text

Scale up of fuel ethanol production from sugar beet juice using loofa sponge immobilized bioreactor by Ogbonna, James C, Mashima, Hiroaki, Tanaka, Hideo

“…Production of fuel ethanol from sugar beet juice, using cells immobilized on loofa sponge was investigated. Based on ethanol productivity and ease of cell…”
Get full text

Light requirement and photosynthetic cell cultivation : Development of processes for efficient light utilization in photobioreactors by OGBONNA, James C, TANAKA, Hideo

“…Although the potential of photosynthetic microorganisms for production of various metabolites and in environmental bioremediation is recognized, their…”
Get full text

Treatment of high strength organic wastewater by a mixed culture of photosynthetic microorganisms by OGBONNA, James C, YOSHIZAWA, Hitoshi, TANAKA, Hideo

“…The high cost and environmental problems associated with sludge generated in activated sludge wastewater treatment methods prompted interest in the use of…”
Get full text

Production of astaxanthin by Haematococcus pluvialis in a sequential heterotrophic-photoautotrophic culture by HATA, Norihiko, OGBONNA, James C, HASEGAWA, Yutaka, TARODA, Hiroyuki, TANAKA, Hideo

“…Production of astaxanthin by sequential heterotrophic-photoautotrophic cultivation of a green alga, Haematococcus pluvialis was investigated. This involved…”
Get full text

Development of a fermentation method using immobilized cells under unsterile conditions. 1. Protection of immobilized cells against anti-microbial substances by Tanaka, H, Ohta, T, Harada, S, Ogbonna, J.C, Yajima, M

“…A method of protecting immobilized cells against inhibitory substances in the fermentation medium was investigated with the aim of developing a process for…”
Get full text

Development and application of a system for analysis of mixed cultures of microorganisms by TANAKA, H, EBATA, T, KUWAHARA, I, MATSUO, M, OGBONNA, J. C

“…Development and application of a system for real-time quantitative assessment of individual cell activities in a mixed culture system was investigated. This…”
Get full text

Cultivation of Escherichia coli to high cell densities in a dialysis reactor by MÄRKL, H, ZENNECK, C, DUBACH, A. C, OGBONNA, J. C

“…High cell density cultivation of Escherichia coli on a glycerol-based mineral medium was studied. The cultivation was done in a dialysis reactor composed of…”
Get full text

L-Lactic acid production from raw cassava starch in a circulating loop bioreactor with cells immobilized in loofa (Luffa cylindrica) by ROBLE, Noel D, OGBONNA, James C, TANAKA, Hideo

“…L-Lactic acid was produced from raw cassava starch, by simultaneous enzyme production, starch saccharification and fermentation in a circulating loop…”
Get full text

Development of a fermentation method using immobilized cells under unsterile conditions. 2. Ethanol and L-lactic acid production without heat and filter sterilization by Ohta, T, Ogbonna, J.C, Tanaka, H, Yajima, M

“…A process that was developed for protection of immobilized cells against inhibitory substances in the fermentation medium was applied for ethanol and lactic…”
Get full text