Results 81 to 90 of about 24,216,701 (241)

Less Genome, More Gain: Genome Reduction Enhances Transaminase‐Producing E. coli in a Scale‐Down Bioreactor

open access: yesEngineering in Life Sciences, Volume 26, Issue 4, April 2026.
ABSTRACT In large‐scale bioprocesses, mixing limitations and design constraints cause the onset of heterogeneous environments, subjecting the cells to continuously changing external conditions, often reducing their performance compared to laboratory conditions.
Gennaro Avolio   +2 more
wiley   +1 more source

maxEntropyProd/Trait-Based-Chemostat: V1.0

open access: yes
<h3>Initial release of the Mathematica code for the trait-based chemostat model</h3> <p><strong>Full Changelog</strong>: https://github.com/maxEntropyProd/Trait-Based-Chemostat/commits/V1.0</p ...
joe vallino
core   +1 more source

Extensions of the chemostat model with flocculation

open access: yes, 2011
In this work, we study a model of the chemostat where the species are present in two forms, isolated bacteria and under an aggregated form like attached bacteria or bacteria in flocks.
Sari, Tewfik   +4 more
core   +1 more source

Existence and exponential stability of positive periodic solution for a multi-species chemostat model on time scales

open access: yesBoundary Value Problems
We introduce and investigate a chemostat mode on time scales. By using the theory of calculus on time scales, continuation theorem of coincidence degree theory and Lyapunov functional method, we obtain some sufficient conditions which guaranteeing the ...
Tao Wang   +3 more
doaj   +1 more source

How Can Viruses Affect the Growth of Zooplankton on Phytoplankton in a Chemostat?

open access: yesMathematics
In this work, we investigated a simple mathematical model describing the consumption of virus-infected phytoplankton by zooplankton in a chemostat. The system was studied by calculating the basic reproduction number, the equilibrium points, and their ...
Nada A. Almuallem, Miled El Hajji
doaj   +1 more source

Dynamic Behaviors in a Droop Model for Phytoplankton Growth in a Chemostat with Nutrient Periodically Pulsed Input

open access: yesDiscrete Dynamics in Nature and Society, 2012
The dynamic behaviors in a droop model for phytoplankton growth in a chemostat with nutrient periodically pulsed input are studied. A series of new criteria on the boundedness, permanence, extinction, existence of positive periodic solution, and global ...
Kai Wang, Zhidong Teng, Xueliang Zhang
doaj   +1 more source

Sensitivity and Strong Controllability of a Nonlinear Chemostat Model

open access: yesESAIM: Proceedings and Surveys, 2015
We investigate the sensitivity behaviour and the controllability for an aerobic wastewater model. The problem is formulated as a nonlinear dynamical system.
Serhani M., Boutanfit H., Boutoulout A.
doaj   +1 more source

Particle filtering for the chemostat

open access: yes, 2012
International audienceWe develop a particle filter approximation of the optimal nonlinear filter in the context of the chemostat. We propose a stochastic model of the chemostat together with an observation model.
Brahim Cherki   +7 more
core   +1 more source

Insights from meta‐analysis for efficient docosahexaenoic acid production in thraustochytrids through advanced cultivation and fermentation strategies

open access: yesBiofuels, Bioproducts and Biorefining, Volume 20, Issue 2, Page 1041-1060, March/April 2026.
Abstract This systematic review examines strategies for docosahexaenoic acid (DHA) production by thraustochytrids, focusing on cultivation techniques, fermentation technologies, and carbon/nitrogen optimization to increase productivity. Among 169 eligible articles, the 100 most productive studies (0.7–10.3 g DHA L−1 per day) were analyzed. Quantitative
Jhiovana Cristielly Carrera Silva da Costa   +6 more
wiley   +1 more source

Green‐lighting biofuels from microalgal lipids: A review of strategies to integrate stress into continuous cultures

open access: yesBiofuels, Bioproducts and Biorefining, Volume 20, Issue 2, Page 1196-1210, March/April 2026.
Abstract The vision of using microalgae to obtain organic chemicals in a carbon‐neutral manner is intriguing. It promises to produce various substances including biofuels by photosynthesis, without competing with agricultural land. Processes have been established whereby microalgae undergo a growth phase followed by a stress phase, which induces lipid ...
Samira Reuscher   +2 more
wiley   +1 more source

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