Gradient porous structures of mycelium: a quantitative structure–mechanical property analysis

E Olivero, E Gawronska, P Manimuda, D Jivani… - Scientific Reports, 2023 - nature.com
Gradient porous structures (GPS) are characterized by structural variations along a specific
direction, leading to enhanced mechanical and functional properties compared to …

Soft contact mechanics with gradient-stiffness surfaces

MM Hasan, CL Johnson, AC Dunn - Langmuir, 2022 - ACS Publications
The stiffness in the top surface of many biological entities like cornea or articular cartilage,
as well as chemically cross-linked synthetic hydrogels, can be significantly lower or more …

Cartilage-like tribological performance of charged double network hydrogels

SZ Bonyadi, CJ Demott, MA Grunlan… - Journal of the Mechanical …, 2021 - Elsevier
A synthetic hydrogel material may offer utility as a cartilage replacement if it is able to
maintain low friction in different sliding environments and achieve bulk mechanical …

Mechanical characterization by mesoscale indentation: advantages and pitfalls for tissue and scaffolds

A Rubiano, C Galitz, CS Simmons - Tissue Engineering Part C …, 2019 - liebertpub.com
Regenerative medicine and tissue engineering are hindered by the lack of consistent
measurements and standards for the mechanical characterization of tissue and scaffolds …

Tribological characterization of gradient-density polyacrylamide hydrogel surfaces

CL Johnson, AC Dunn - Experimental Mechanics, 2021 - Springer
Background The contact and frictional response of a hydrogel is dependent on the polymer
structure at the gel surface. Recent work has shown that different mold materials in contact …

Self-regenerating compliance and lubrication of polyacrylamide hydrogels

SZ Bonyadi, M Atten, AC Dunn - Soft Matter, 2019 - pubs.rsc.org
Pristine hydrogel surfaces typically have low friction, which is controlled by composition, slip
speeds, and immediate slip history. The stiffness of such samples is typically measured with …

[HTML][HTML] Composition controls soft hydrogel surface layer dimensions and contact mechanics

CL Johnson, AC Dunn - Biointerphases, 2022 - pubs.aip.org
Hydrogels are soft hydrated polymer networks that are widely used in research and industry
due to their favorable properties and similarity to biological tissues. However, it has long …

Swelling of a non-vascular-plant-inspired soft composite

A Kataruka, SB Hutchens - Matter, 2021 - cell.com
Even without the aid of muscle, plant tissue drives large, forceful motion via osmosis-driven
fluid flow. Hydrogels are well-known synthetic materials that mimic this osmotic mechanism …

Collagen Networks under Indentation and Compression Behave Like Cellular Solids

CS O'Bryan, Y Ni, CR Taylor, TE Angelini, KD Schulze - Langmuir, 2024 - ACS Publications
Simple synthetic and natural hydrogels can be formulated to have elastic moduli that match
biological tissues, leading to their widespread application as model systems for tissue …

Considerations for biotribometers: cells, gels, and tissues

JM Urueña, SM Hart, DL Hood, EO McGhee, SR Niemi… - Tribology Letters, 2018 - Springer
Tribological evaluation of biological materials, such as cells and tissues, present both
opportunities and challenges to experimentalists. When working with living materials …