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| Author | : Caroline An |
| Publisher | : |
| Total Pages | : |
| Release | : 2016 |
| Genre | : |
| ISBN | : |
| Author | : Yi Cao |
| Publisher | : Frontiers Media SA |
| Total Pages | : 162 |
| Release | : 2020-12-23 |
| Genre | : Science |
| ISBN | : 2889662594 |
This eBook is a collection of articles from a Frontiers Research Topic. Frontiers Research Topics are very popular trademarks of the Frontiers Journals Series: they are collections of at least ten articles, all centered on a particular subject. With their unique mix of varied contributions from Original Research to Review Articles, Frontiers Research Topics unify the most influential researchers, the latest key findings and historical advances in a hot research area! Find out more on how to host your own Frontiers Research Topic or contribute to one as an author by contacting the Frontiers Editorial Office: frontiersin.org/about/contact.
| Author | : Marilu Ortiz |
| Publisher | : |
| Total Pages | : 0 |
| Release | : 2022 |
| Genre | : |
| ISBN | : |
Hydrogels have been extensively studied for use in applications such as tissue engineering, drug delivery systems, wound dressing, actuators, valves, and sensors in Micromechanical Systems (MEMS), among others. Thermo-responsive hydrogels in particular pose various advantages such as their capability to respond to an external stimulus and reverse the response when the stimulus is removed and the ability to imbibe a significant amount of solvent and increase their volume by over 1000%. Extensive research has been conducted to tune and improve hydrogel's rate and degree of swelling and mechanical properties. Previous work showed that when synthetic clay (Laponite) is cross-linked with a well-known thermo-responsive hydrogel composed of N- Isopropylacrylamide (NIPA) the mechanical properties of the hydrogel network improved. It was demonstrated that increasing the cross-linker concentration will increase the stiffness of the hydrogel network, but the swelling ratio will decrease. This imposes a tradeoff between two desirable properties, swelling ratio, and mechanical strength. In this work, a unique thermo-responsive nanocomposite hydrogel was synthesized with two types of synthetic clays, Laponite XLG and its modified version (with ionic dispersant) Laponite XLS, at different concentrations to explore the interrelation of the two clays synthesized with the NIPA gel with respect to the gel's microstructures, mechanical properties, swelling degree, and kinetics. It was found that the N-Isopropylacrylamide (NIPA) gel cross-linked with the combined synthetic clays XLS and XLG exhibited improved mechanical properties and swelling ratios at equilibrium. The Young Modulus improved by 247% (from 24.6 kPa to 85.3 kPa) and the swelling ratio at equilibrium exhibited an improvement of 35% (from 605% to 814%) when compared to N-Isopropylacrylamide (NIPA) cross-linked with either of the clays separately. The short and extended time swelling was characterized and compared with mathematical models to understand the swelling kinetics of the combined gels.
| Author | : Hua Li |
| Publisher | : Woodhead Publishing |
| Total Pages | : 342 |
| Release | : 2022-08-18 |
| Genre | : Technology & Engineering |
| ISBN | : 0081028636 |
The Mechanics of Hydrogels: Mechanical Properties, Testing, and Applications offers readers a systematic description of the mechanical properties and characterizations of hydrogels. Practical topics such as manufacturing hydrogels with controlled mechanical properties and the mechanical testing of hydrogels are covered at length, as are areas such as inelastic and nonlinear deformation, rheological characterization, fracture and indentation testing, mechanical properties of cellularly responsive hydrogels, and more. Proper instrumentation and modeling techniques for measuring the mechanical properties of hydrogels are also explored. Links the mechanical and biological behaviors and applications of hydrogels Looks at the manufacturing and mechanical testing of hydrogels Discusses the design and use of hydrogels in a wide array of applications
| Author | : Thomas G. Mezger |
| Publisher | : Vincentz Network GmbH & Co KG |
| Total Pages | : 308 |
| Release | : 2006 |
| Genre | : Deformations (Mechanics) |
| ISBN | : 9783878701743 |
| Author | : Weifeng Zhao |
| Publisher | : Frontiers Media SA |
| Total Pages | : 130 |
| Release | : 2020-07-28 |
| Genre | : |
| ISBN | : 2889638960 |
| Author | : Sutapa Biswas Majee |
| Publisher | : BoD – Books on Demand |
| Total Pages | : 268 |
| Release | : 2016-08-24 |
| Genre | : Science |
| ISBN | : 9535125095 |
This book is an Up-to-date and authoritative account on physicochemical principles, pharmaceutical and biomedical applications of hydrogels. It consists of eight contributions from different authors highlighting properties and synthesis of hydrogels, their characterization by various instrumental methods of analysis, comprehensive review on stimuli-responsive hydrogels and their diverse applications, and a special section on self-healing hydrogels. Thus, this book will equip academia and industry with adequate basic and applied principles related to hydrogels.
| Author | : Thakur Raghu Raj Singh |
| Publisher | : CRC Press |
| Total Pages | : 289 |
| Release | : 2018-02-28 |
| Genre | : Medical |
| ISBN | : 1351648276 |
Hydrogels are crosslinked, macromolecular polymeric materials arranged in a three-dimensional network, which can absorb and retain large amounts of water. Hydrogels are commonly used in clinical practice and experimental medicine for a wide range of applications, including drug delivery, tissue engineering and regenerative medicine, diagnostics, cellular immobilization, separation of biomolecules or cells, and barrier materials to regulate biological adhesions. This book elucidates the underlying concepts and emerging applications of hydrogels and will provide key case studies and critical analysis of the existing research.
| Author | : Md. Ibrahim H. Mondal |
| Publisher | : Springer |
| Total Pages | : 0 |
| Release | : 2019-02-22 |
| Genre | : Technology & Engineering |
| ISBN | : 9783319778297 |
With the prospect of revolutionizing specific technologies, this book highlights the most exciting and impactful current research in the fields of cellulose-based superabsorbent hydrogels with their smart applications. The book assembles the newest synthetic routes, characterization methods, and applications in the emergent area. Leading experts in the field have contributed chapters representative of their most recent research results, shedding light on the enormous potential of this field and thoroughly presenting cellulose-based hydrogel functioning materials. The book is intended for the polymer chemists, academic and industrial scientists and engineers, pharmaceutical and biomedical scientists and agricultural engineers engaged in research and development on absorbency, absorbent products and superabsorbent hydrogels. It can also be supportive for undergraduate and graduate students.
| Author | : Gabriele Sadowski |
| Publisher | : Springer |
| Total Pages | : 275 |
| Release | : 2014-01-28 |
| Genre | : Technology & Engineering |
| ISBN | : 3319016830 |
This volume of Progress in Colloid and Polymer Science assembles original contributions and invited reviews from the priority research program "Intelligent Hydrogels", funded by the German Science Foundation DFG since 2006, with about 25 contributing research groups. In the center of interest of this program and the present book are responsive hydrogels, i.e. hydrophilic polymer or polyelectrolyte networks that are able to respond to environmental stimuli such as changes in temperature, pH, additive concentration or electrical field. The activities focus on different aspects: on hydrogel synthesis, on the modeling and simulation of thermophysical hydrogel properties, as well as on innovative new hydrogel applications as smart materials. The present book summarizes the highlights in the results of the priority program in original contributions and invited reviews.
