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Showing 1 to 9 of 9 entries
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Heat transfer simulation in solid substrate fermentation.

Biotechnology and bioengineering

Saucedo-Castañeda G, Gutiérrez-Rojas M, Bacquet G, Raimbault M, Viniegra-González G.
PMID: 18592581
Biotechnol Bioeng. 1990 Apr 05;35(8):802-8. doi: 10.1002/bit.260350808.

A mathematical model was developed and tested to simulate the generation and transfer of heat in solid substrate fermentation (SSF). The experimental studies were realized in a 1-L static bioreactor packed with cassava wet meal and inoculated with Aspergillus...

Symmetric branching model for the kinetics of mycelial growth.

Biotechnology and bioengineering

Viniegra-González G, Saucedo-Castañeda G, López-Isunza F, Favela-Torres E.
PMID: 18609641
Biotechnol Bioeng. 1993 Jun 05;42(1):1-10. doi: 10.1002/bit.260420102.

A mathematical model, linking microscopic to macroscopic parameters of the kinetics of mycelial growth is presented. The model consists of two parts: (a) a microscopic description, based on the assumption that growth of a mycelium can be represented approximately...

Morphometric evaluation of the specific growth rate of Aspergillus niger grown in agar plates at high glucose levels.

Biotechnology and bioengineering

Larralde-Corona CP, López-Isunza F, Viniegra-González G.
PMID: 18636644
Biotechnol Bioeng. 1997 Nov 05;56(3):287-94. doi: 10.1002/(SICI)1097-0290(19971105)56:3<287::AID-BIT6>3.0.CO;2-F.

Development of surface grown cultures of Aspergillus niger no. 10 was studied at two experimental levels: (a) following the time course of the biomass density (X [=] mg cm(-2)) and fitting the data by the logistic expression, which yielded...

Selected Papers from ENZITEC 2010.

Enzyme research

Freire DM, Bon EP, Viniegra-Gonzalez G, Girio F, Dekker RF.
PMID: 22254133
Enzyme Res. 2011;2011:863045. doi: 10.4061/2011/863045. Epub 2011 Dec 29.

No abstract available.

Induction of esterase activity during the degradation of high concentrations of the contaminant di(2-ethylhexyl) phthalate by .

3 Biotech

González-Márquez A, Loera-Corral O, Viniegra-González G, Sánchez C.
PMID: 33123455
3 Biotech. 2020 Nov;10(11):488. doi: 10.1007/s13205-020-02476-y. Epub 2020 Oct 26.

In this study, the induction of esterase activity during the degradation of a high concentration of di(2-ethylhexyl) phthalate (DEHP) (1500 mg l

Production of pectinases by Aspergillus niger in solid state fermentation at high initial glucose concentrations.

World journal of microbiology & biotechnology

Solis-Pereyra S, Favela-Torres E, Gutiérrez-Rojas M, Roussos S, Saucedo-Castañeda G, Gunasekaran P, Viniegra-González G.
PMID: 24415234
World J Microbiol Biotechnol. 1996 May;12(3):257-60. doi: 10.1007/BF00360924.

Exopectinase (exo-p) and endopectinase (endo-p) production by Aspergillus niger CH4 in solid state culture was studied at initial glucose concentrations of 100, 250, 350 and 450 g/l. The highest activity of exo-p (35 U/g) was produced at 72 and...

Polyurethane foam as an inert support using concentrated media improves quality and spore production from Bacillus thuringiensis.

World journal of microbiology & biotechnology

Flores-Tufiño B, Figueroa-Martínez F, Viniegra-González G, Loera O.
PMID: 34398297
World J Microbiol Biotechnol. 2021 Aug 16;37(9):154. doi: 10.1007/s11274-021-03122-2.

Bacillus thuringiensis (Bt) (Bacillales:Bacillaceae) is a gram-positive bacterium that produces spores, several virulence factors and insecticidal toxins, making this microorganism the most used biopesticide worldwide. The use of inert supports such as polyurethane foam (PUF) in solid cultures has...

New approach for selecting pectinase producing mutants of Aspergillus niger well adapted to solid state fermentation.

Biotechnology advances

Antier P, Minjares A, Roussos S, Viniegra-González G.
PMID: 14545667
Biotechnol Adv. 1993;11(3):429-40. doi: 10.1016/0734-9750(93)90012-c.

The aim of this paper is to review and study a new approach for improving strains of Aspergillus niger specially adapted to produce pectinases by Solid State Fermentation (SSF) with materials having low levels of water activity (a(w)), i.e.,...

Biochemical mechanism of the effect of barbital on rifamycin B biosynthesis by Amycolatopsis mediterranei (M18 strain).

Journal of bioscience and bioengineering

Mejía A, Viniegra-González G, Barrios-González J.
PMID: 16233407
J Biosci Bioeng. 2003;95(3):288-92. doi: 10.1016/s1389-1723(03)80031-2.

It is well known that 5,5-diethylbarbituric acid (barbital) in the culture medium can stimulate the production of rifamycin B by Amycolatopsis mediterranei, particularly in industrial processes. However, the mechanism by which barbital exerts this effect is unknown. Results in...

Showing 1 to 9 of 9 entries