Yeast cell-free enzyme system for bio-ethanol production at elevated temperatures

WA Khattak, M Ul-Islam, MW Ullah, B Yu, S Khan… - Process …, 2014 - Elsevier
A yeast cell-free enzyme system containing an intact fermentation assembly and that is
capable of bio-ethanol production at elevated temperatures in the absence of living cells …

Bio-ethanol production through simultaneous saccharification and fermentation using an encapsulated reconstituted cell-free enzyme system

MW Ullah, WA Khattak, M Ul-Islam, S Khan… - Biochemical Engineering …, 2014 - Elsevier
An encapsulated reconstituted cell-free enzyme system was developed through liquid-
droplet forming method by using endogenous glycolytic and fermentation enzymes from …

Effect of reduction in yeast and enzyme concentrations in a simultaneous-saccharification-and-fermentation-based bioethanol process: technical and economic …

A Wingreini, M Galbe, C Roslander, A Rudolf… - Twenty-sixth symposium …, 2005 - Springer
The ethanol production cost in a simultaneous saccharification and fermentation-based
bioethanol process is influenced by the requirements for yeast production and for enzymes …

Developmental strategies and regulation of cell-free enzyme system for ethanol production: a molecular prospective

WA Khattak, MW Ullah, M Ul-Islam, S Khan… - Applied microbiology …, 2014 - Springer
Most biomanufacturing systems developed for the production of biocommodities are based
on whole-cell systems. However, with the advent of innovative technologies, the focus has …

Enhanced bio-ethanol production via simultaneous saccharification and fermentation through a cell free enzyme system prepared by disintegration of waste of beer …

S Khan, M Ul-Islam, WA Khattak, MW Ullah… - Korean Journal of …, 2015 - Springer
Current study illustrates the effect of high yeast cell density contained in the waste of beer
fermentation broth (WBFB) on bio-ethanol production through simultaneous saccharification …

Encapsulated yeast cell-free system: a strategy for cost-effective and sustainable production of bio-ethanol in consecutive batches

MW Ullah, WA Khattak, M Ul-Islam, S Khan… - Biotechnology and …, 2015 - Springer
This study was intended to develop an encapsulated yeast cell-free system (EyCFS) by
confining yeast cell-free lysate within a calcium alginate capsule. The system was evaluated …

Performance of an immobilized yeast reactor system for ethanol production

TH Lee, JC Ahn, DDY Ryu - Enzyme and Microbial Technology, 1983 - Elsevier
Using immobilized whole yeast cells, important fermentation variables involved in ethanol
fermentation have been studied and the performance of an immobilized cell reactor system …

[HTML][HTML] Yeasts in sustainable bioethanol production: A review

SHM Azhar, R Abdulla, SA Jambo, H Marbawi… - … and biophysics reports, 2017 - Elsevier
Bioethanol has been identified as the mostly used biofuel worldwide since it significantly
contributes to the reduction of crude oil consumption and environmental pollution. It can be …

[HTML][HTML] Enhancement of the Efficiency of Bioethanol Production by Saccharomyces cerevisiae via Gradually Batch-Wise and Fed-Batch Increasing the Glucose …

YH Chang, KS Chang, CY Chen, CL Hsu, TC Chang… - Fermentation, 2018 - mdpi.com
High initial glucose concentrations may inhibit glucose utilization and decrease ethanol
fermentation efficiency. To minimize substrate inhibition, the effects of feeding yeast with …

High-temperature bioethanol fermentation by conventional and nonconventional yeasts

H Hoshida, R Akada - Biotechnology of yeasts and filamentous fungi, 2017 - Springer
Fuel ethanol production has dramatically increased in the world. Ethanol fermentation for
alcohol beverage is a traditional and mature technology. However, the fermentation …