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Green and economical production of propionic acid by Propionibacterium freudenreichii CCTCC M207015 in plant fibrous-bed bioreactor.
Propionic acid production by Propionibacterium freudenreichii from molasses and waste propionibacterium cells was studied in plant fibrous-bed bioreactor (PFB). With non-treated molasses as carbonExpand
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Efficient production of poly(γ-glutamic acid) by newly isolated Bacillus subtilis NX-2
Abstract A bacterium with high poly(γ-glutamic acid) (γ-PGA) productivity was isolated from soil. The bacterial strain NX-2 was identified taxonomically as Bacillus subtilis with the exception thatExpand
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Encapsulation of single enzyme in nanogel with enhanced biocatalytic activity and stability.
Single protein encapsulated into nanogels with uniformed size and controllable shell thickness were prepared by surface acryloylation of a protein molecule followed by aqueous in situ polymerization.Expand
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Biosynthesis of poly(γ-glutamic acid) in Bacillus subtilis NX-2: Regulation of stereochemical composition of poly(γ-glutamic acid)
Abstract The stereochemical composition of poly(γ-glutamic acid), γ-PGA, produced by Bacillus subtilis NX-2 could be effected by Mn2+ in the culture medium. When the concentration of Mn2+ varied fromExpand
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A novel organic solvent-stable alkaline protease from organic solvent–tolerant Bacillus licheniformis YP1A
Abstract An organic solvent-stable alkaline protease producing bacterium was isolated from the crude oil contaminant soil and identified as Bacillus licheniformis . The enzyme retained more than 95%Expand
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Regulation of NAD(H) pool and NADH/NAD(+) ratio by overexpression of nicotinic acid phosphoribosyltransferase for succinic acid production in Escherichia coli NZN111.
Succinic acid is not the dominant fermentation product from glucose in wild-type Escherichia coli W1485. To reduce byproduct formation and increase succinic acid accumulation, pyruvate formate-lyaseExpand
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Dissolution of Microcrystalline Cellulose in Phosphoric Acid—Molecular Changes and Kinetics
In this study, we aimed to dissolve microcrystalline cellulose (MCC) with phosphoric acid to obtain high-quality fermentable saccharides. MCC was directly dissolved in phosphoric acid (theExpand
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Succinic acid production from corn stalk hydrolysate in an E. coli mutant generated by atmospheric and room-temperature plasmas and metabolic evolution strategies
AFP111 is a spontaneous mutant of Escherichia coli with mutations in the glucose-specific phosphotransferase system, pyruvate formate lyase system, and fermentative lactate dehydrogenase system,Expand
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Propionic acid production in a plant fibrous-bed bioreactor with immobilized Propionibacterium freudenreichii CCTCC M207015.
A plant fibrous-bed bioreactor (PFB) was constructed for propionic acid production. Sugar cane bagasse was applied to the PFB as immobilizing material. Starting at a concentration of 80g/L ofExpand
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Production of d-tagatose, a Functional Sweetener, Utilizing Alginate Immobilized Lactobacillus fermentum CGMCC2921 Cells
  • Z. Xu, S. Li, +4 authors P. Ouyang
  • Medicine, Chemistry
  • Applied Biochemistry and Biotechnology
  • 1 February 2012
Abstractd-tagatose is a ketohexose that can be used as a novel functional sweetener in foods, beverages, and dietary supplements. This study was aimed at developing a high-yielding d-tagatoseExpand
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