Direct measurement of dynamic attractant gradients reveals breakdown of the Patlak–Keller–Segel chemotaxis model

TV Phan, HH Mattingly, L Vo… - Proceedings of the …, 2024 - National Acad Sciences
Chemotactic bacteria not only navigate chemical gradients, but also shape their
environments by consuming and secreting attractants. Investigating how these processes …

Design and optimization of microfluidic device for generating robust uniform concentration gradients

K Deekshith, S Jadhav - Chemical Engineering and Processing-Process …, 2018 - Elsevier
Increasing interest in chemotaxis or cell migration in the presence of concentration gradient
of certain chemical species has motivated the need for generating stable uniform …

Growth-dependent behavioral difference in bacterial chemotaxis

C Zhang, R Zhang, J Yuan - Physical Review E, 2017 - APS
Cells can adjust to their growth environments and regulate their behavior accordingly. To
study how cells accomplish this growth-dependent adjustment from the molecular to the …

[HTML][HTML] Quantitative analysis of single bacterial chemotaxis using a linear concentration gradient microchannel

H Jeon, Y Lee, S Jin, S Koo, CS Lee, JY Yoo - Biomedical microdevices, 2009 - Springer
A microfluidic device to quantify bacterial chemotaxis has been proposed, which generates
a linear concentration gradient of chemoattractant in the main channel only by convective …

An agarose-based microfluidic platform with a gradient buffer for 3D chemotaxis studies

U Haessler, Y Kalinin, MA Swartz, M Wu - Biomedical microdevices, 2009 - Springer
The current state-of-art in 3D microfluidic chemotaxis device (μFCD) is limited by the
inherent coupling of the fluid flow and chemical concentration gradients. Here, we present …

Bacteria use spatial sensing to direct chemotaxis on surfaces

JHR Wheeler, KR Foster, WM Durham - bioRxiv, 2024 - biorxiv.org
Planktonic bacteria navigate chemical gradients using temporal sensing to detect changes
in concentration over time as they swim. Here we show that surface-attached bacteria use a …

Bacterial chemotaxis transverse to axial flow in a microfluidic channel

LM Lanning, RM Ford, T Long - Biotechnology and …, 2008 - Wiley Online Library
Swimming bacteria sense and respond to chemical signals in their environment.
Chemotaxis is the directed migration of a bacterial population toward increasing …

[图书][B] Engineering applications of microbial chemotaxis

MT Widman - 1997 - search.proquest.com
Chemotaxis is the ability of an organism to move in response to gradients of chemicals
called chemoattractants. Many species of bacteria are known to exhibit chemotaxis to a wide …

A model of strongly biased chemotaxis reveals the trade-offs of different bacterial migration strategies

RN Bearon, WM Durham - … Medicine and Biology: A Journal of …, 2020 - academic.oup.com
Many bacteria actively bias their motility towards more favourable nutrient environments. In
liquid, cells rotate their corkscrew-shaped flagella to swim, but in surface attached biofilms …

Microfluidics for mammalian cell chemotaxis

BJ Kim, M Wu - Annals of biomedical engineering, 2012 - Springer
The emerging field of micro-technology has opened up new possibilities for exploring
cellular chemotaxis in real space and time, and at single cell resolution. Chemotactic cells …