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 …

A traveling-wave solution for bacterial chemotaxis with growth

AV Narla, J Cremer, T Hwa - Proceedings of the National …, 2021 - National Acad Sciences
Bacterial cells navigate their environment by directing their movement along chemical
gradients. This process, known as chemotaxis, can promote the rapid expansion of bacterial …

A multiscale 3D chemotaxis assay reveals bacterial navigation mechanisms

M Grognot, KM Taute - Communications biology, 2021 - nature.com
How motile bacteria navigate environmental chemical gradients has implications ranging
from health to climate science, but the underlying behavioral mechanisms are unknown for …

Glucose diffusion in tissue engineering membranes and scaffolds

H Suhaimi, D Bhusan Das - Reviews in Chemical Engineering, 2016 - degruyter.com
Tissue engineering has evolved into an exciting area of research due to its potential in
regenerative medicine. The shortage of organ donors as well as incompatibility between …

Glucose diffusivity in cell culture medium

H Suhaimi, S Wang, DB Das - Chemical Engineering Journal, 2015 - Elsevier
The diaphragm cell method (DCM) was applied to determine the self-diffusion of glucose in
cell culture media (CCM) and water (reference fluid). For this purpose, a diffusion cell based …

Stochastic biological system-of-systems modelling for iPSC culture

H Zheng, SW Harcum, J Pei, W Xie - Communications Biology, 2024 - nature.com
Large-scale manufacturing of induced pluripotent stem cells (iPSCs) is essential for cell
therapies and regenerative medicines. Yet, iPSCs form large cell aggregates in suspension …

Mutual diffusion coefficients of L-glutamic acid and monosodium L-glutamate in aqueous solutions at T= 298.15 K

ACF Ribeiro, MM Rodrigo, MCF Barros… - The Journal of Chemical …, 2014 - Elsevier
Mutual diffusion coefficient values for binary aqueous solutions of both L-glutamic acid (H 2
Glu) and sodium L-glutamate (NaHGlu) were measured with the Taylor dispersion …

Enantiomer Adsorption in an Applied Magnetic Field: D‐and L‐Aspartic Acid on Ni (100)

M Radetic, AJ Gellman - Israel Journal of Chemistry, 2022 - Wiley Online Library
There have been several reports of the enantiospecific adsorption of chiral compounds from
solution onto ferromagnetic surfaces in applied magnetic fields. This work studies the …

Determining pKa and a New Total Diffusion Coefficient for Weak Acids via the Electrochemical Acid–Base Transport Limitation Method

F Yin, S Liu, Y Hu, S Lu, C Song… - Industrial & Engineering …, 2023 - ACS Publications
This study presents the determination of the dissociation constant (p K a) and diffusion
coefficient (D) for 21 weak acids (WAs) using the electrochemical acid–base transport …

The structure and diffusion behaviour of the neurotransmitter γ-aminobutyric acid (GABA) in neutral aqueous solutions

MM Rodrigo, MA Esteso, MF Barros… - The Journal of Chemical …, 2017 - Elsevier
GABA (γ-aminobutyric acid) is a non-protein amino acid with important physiological
properties, and with considerable relevance to the food and pharmaceutical industries …