[HTML][HTML] Atomic force microscopy (AFM) on biopolymers and hydrogels for biotechnological applications—Possibilities and limits

J Joshi, SV Homburg, A Ehrmann - Polymers, 2022 - mdpi.com
Atomic force microscopy (AFM) is one of the microscopic techniques with the highest lateral
resolution. It can usually be applied in air or even in liquids, enabling the investigation of a …

Microgels react to force: mechanical properties, syntheses, and force-activated functions

MF Schulte, E Izak-Nau, S Braun, A Pich… - Chemical Society …, 2022 - pubs.rsc.org
Microgels are colloidal polymer networks with high molar mass and properties between rigid
particles, flexible macromolecules, and micellar aggregates. Their unique stimuli …

Under pressure: Hydrogel swelling in a granular medium

JF Louf, NB Lu, MG O'Connell, HJ Cho, SS Datta - Science Advances, 2021 - science.org
Hydrogels hold promise in agriculture as reservoirs of water in dry soil, potentially alleviating
the burden of irrigation. However, confinement in soil can markedly reduce the ability of …

Extracting, quantifying, and comparing dynamical and biomechanical properties of living matter through single particle tracking

S Scott, M Weiss, C Selhuber-Unkel… - Physical Chemistry …, 2023 - pubs.rsc.org
A panoply of new tools for tracking single particles and molecules has led to an explosion of
experimental data, leading to novel insights into physical properties of living matter …

Increasing the efficiency of thermoresponsive actuation at the microscale by direct laser writing of pNIPAM

T Spratte, S Geiger, F Colombo… - Advanced Materials …, 2023 - Wiley Online Library
Thermoresponsive hydrogels such as poly (N‐isopropylacrylamide)(pNIPAM) are highly
interesting materials for generating soft actuator systems. Whereas the material has so far …

Fully Synthetic 3D Fibrous Scaffolds for Stromal Tissues—Replacement of Animal‐Derived Scaffold Materials Demonstrated by Multilayered Skin

T Weigel, C Malkmus, V Weigel… - Advanced …, 2022 - Wiley Online Library
The extracellular matrix (ECM) of soft tissues in vivo has remarkable biological and structural
properties. Thereby, the ECM provides mechanical stability while it still can be rearranged …

[HTML][HTML] Measuring the elastic modulus of soft biomaterials using nanoindentation

D Xu, T Harvey, E Begiristain, C Domínguez… - Journal of the …, 2022 - Elsevier
The measurement of the elastic modulus of soft biomaterials via nanoindentation relies on
the accurate determination of the zero-point of the tip-sample interaction on which the depth …

Effector-mediated ERM activation locally inhibits RhoA activity to shape the apical cell domain

R Zaman, A Lombardo, C Sauvanet… - Journal of Cell …, 2021 - rupress.org
Activated ezrin-radixin-moesin (ERM) proteins link the plasma membrane to the actin
cytoskeleton to generate apical structures, including microvilli. Among many kinases …

Nanoindentation response of 3d printed pegda hydrogels in a hydrated environment

MH Khalili, CJ Williams, C Micallef… - ACS Applied Polymer …, 2023 - ACS Publications
Hydrogels are commonly used materials in tissue engineering and organ-on-chip devices.
This study investigated the nanomechanical properties of monolithic and multilayered poly …

Protein‐Encoding Free‐Standing RNA Hydrogel for Sub‐Compartmentalized Translation

SY Ahn, J Kim, S Vellampatti, S Oh, YT Lim… - Advanced …, 2022 - Wiley Online Library
RNA can self‐fold into complex structures that can serve as major biological regulators in
protein synthesis and in catalysis. Due to the abundance of structural primitives and …