Results 1 to 10 of about 11,845 (215)

HOPF bifurcation of the chemostat with delay and simplified holling type-iv response function [PDF]

open access: yesMATEC Web of Conferences, 2020
In this paper, the author investigates Chemostat with Delay and Simplifified Holling Type-IV Response Function, which more match the actual meaning in the chemostat system. Using bifurcation theory, we discuss the hopf bifurcation stability in detail.
Li Yanqiu
doaj   +1 more source

A Comparison of Methods to Maintain the Equine Cecal Microbial Environment In Vitro Utilizing Cecal and Fecal Material

open access: yesAnimals, 2022
The equine gastrointestinal (GI) microbiota is intimately related to the horse. The objective of the current study was to evaluate the microbiome and metabolome of cecal inoculum maintained in an anaerobic chamber or chemostat batch fermenter, as well as
Jennifer L. MacNicol   +5 more
doaj   +1 more source

Dynamical bifurcation of a sewage treatment model with general higher-order perturbation

open access: yesResults in Physics, 2022
In this research, we expose new results on the dynamics of a high disturbed chemostat model for industrial wastewater. Due to the complexity of heavy and erratic environmental variations, we take into consideration the polynomial perturbation.
Yassine Sabbar   +6 more
doaj   +1 more source

Dynamical behaviors of stochastic chemostat model with general response functions

open access: yes上海师范大学学报. 自然科学版, 2022
In this paper, a stochastic chemostat model with general response functions is studied. Meanwhile, it first proves the existence and uniqueness of the globally positive solutions for the model.
GUO Yi, JI Yue, DING Yu, LYU Xiang
doaj   +1 more source

Single-Cell Technologies to Understand the Mechanisms of Cellular Adaptation in Chemostats

open access: yesFrontiers in Bioengineering and Biotechnology, 2020
There is a growing interest in continuous manufacturing within the bioprocessing community. In this context, the chemostat process is an important unit operation.
Naia Risager Wright   +3 more
doaj   +1 more source

Microbial Interactions as Drivers of a Nitrification Process in a Chemostat

open access: yesBioengineering, 2021
This article deals with the inclusion of microbial ecology measurements such as abundances of operational taxonomic units in bioprocess modelling. The first part presents the mathematical analysis of a model that may be framed within the class of Lotka ...
Pablo Ugalde-Salas   +3 more
doaj   +1 more source

A Delayed Chemostat Model with Impulsive Diffusion and Input on Nutrients

open access: yesAdvances in Difference Equations, 2009
A chemostat model with delayed response in growth and impulsive diffusion and input on nutrients is considered. Using the discrete dynamical system determined by the stroboscopic map, we obtain a microorganism-extinction periodic solution. Further, it is
Jianjun Jiao, Shaohong Cai
doaj   +2 more sources

Bacteriophage-Mediated Perturbation of Defined Bacterial Communities in an In Vitro Model of the Human Gut

open access: yesMicrobiology Spectrum, 2022
The study of bacteriophage communities reproducing in the gastrointestinal tract is limited by the quality of model systems supporting experimental manipulation in vitro.
Hedieh Attai   +6 more
doaj   +1 more source

Global analysis of a new nonlinear stochastic differential competition system with impulsive effect

open access: yesAdvances in Difference Equations, 2017
We propose a new stochastic competition chemostat system with saturated growth rate and impulsive toxicant input. The main purpose of this paper is to study the stochastic dynamics of a high-dimensional impulsive stochastic chemostat model and find the ...
Xuejin Lv, Lu Wang, Xinzhu Meng
doaj   +1 more source

Mathematical Analysis of a Bacterial Competition in a Continuous Reactor in the Presence of a Virus

open access: yesMathematics, 2023
In this paper, we discuss the competition of two species for a single essential growth-limiting nutriment with viral infection that affects only the first species.
Abdulrahman Ali Alsolami, Miled El Hajji
doaj   +1 more source

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