ArticleMicromachines2020
Microfluidic In-Situ Measurement of Poisson's Ratio of Hydrogels.
Article in Micromachines, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- Regulation of epithelial tissue homeostasis by active transepithelial transport.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
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- Force-mediated recruitment and reprogramming of healthy endothelial cells drive vascular lesion growth.Nature communications · 2024Article
- Designing Biomimetic 3D-Printed Osteochondral Scaffolds for Enhanced Load-Bearing Capacity.Tissue engineering. Part A · 2024Article
- Rapid prototyping of high-resolution large format microfluidic device through maskless image guided in-situ photopolymerization.Nature communications · 2023Article
- Quantifying stiffness and forces of tumor colonies and embryos using a magnetic microrobot.Science robotics · 2023Article
- Computational investigation of interface printing patterns within 3D printed multilayered scaffolds for osteochondral tissue engineering.Biofabrication · 2022Article
- Article
- Microfluidics Used as a Tool to Understand and Optimize Membrane Filtration Processes.Membranes · 2020Review
- Injectable Thermosensitive Chitosan/Pullulan-Based Hydrogels with Improved Mechanical Properties and Swelling Capacity.Polymers · 2020Article
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Authors and funding
4 authors.
Funding
Abstract
Being able to precisely characterize the mechanical properties of soft microparticles is essential for numerous situations, from the understanding of the flow of biological fluids to the development of soft micro-robots. Here, we present a simple measurement technique for determining Poisson's ratio of soft micron-sized hydrogels in the presence of a surrounding liquid. This method relies on the measurement of the deformation, in two orthogonal directions, of a rectangular hydrogel slab compressed uni-axially inside a microfluidic channel. Due to the in situ character of the method, the sample does not need to be dried, allowing for the measurement of the mechanical properties of swollen hydrogels. Using this method, we determined Poisson's ratio of hydrogel particles composed of polyethylene glycol (PEG) and varying solvents fabricated using a lithography technique. The results demonstrate, with high precision, the dependence of the hydrogel compressibility on the solvent fraction and character. The method is easy to implement and can be adapted for the measurement of a variety of soft and biological materials.
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