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Multi Responsive Microgels And Hydrogels
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Book Synopsis Multi-responsive Microgels and Hydrogels by : Dongdong Lu
Download or read book Multi-responsive Microgels and Hydrogels written by Dongdong Lu and published by . This book was released on 2020 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Chemical Design of Responsive Microgels by : Andrij Pich
Download or read book Chemical Design of Responsive Microgels written by Andrij Pich and published by Springer. This book was released on 2010-10-15 with total page 175 pages. Available in PDF, EPUB and Kindle. Book excerpt: Microgels by Precipitation Polymerization: Synthesis, Characterization, and Functionalization, by A. Pich and W. Richtering * Hydrogels in Miniemulsions, by K. Landfester and A. Musyanovych * Nano- and Microgels Through Addition Reactions of Functional Oligomers and Polymers, by K. Albrecht, M. Moeller, and J. Groll * Synthesis of Microgels by Radiation Methods, by F. Krahl and K.-F. Arndt * Microgels as Nanoreactors: Applications in Catalysis, by N. Welsch, M.s Ballauff, and Y. Lu
Book Synopsis Chemical Design of Responsive Microgels by : Andrij Pich
Download or read book Chemical Design of Responsive Microgels written by Andrij Pich and published by Springer. This book was released on 2010-11-04 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt: Microgels by Precipitation Polymerization: Synthesis, Characterization, and Functionalization, by A. Pich and W. Richtering * Hydrogels in Miniemulsions, by K. Landfester and A. Musyanovych * Nano- and Microgels Through Addition Reactions of Functional Oligomers and Polymers, by K. Albrecht, M. Moeller, and J. Groll * Synthesis of Microgels by Radiation Methods, by F. Krahl and K.-F. Arndt * Microgels as Nanoreactors: Applications in Catalysis, by N. Welsch, M.s Ballauff, and Y. Lu
Book Synopsis Stimuli-Responsive Gels by : Dirk Kuckling
Download or read book Stimuli-Responsive Gels written by Dirk Kuckling and published by MDPI. This book was released on 2018-10-11 with total page 289 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a printed edition of the Special Issue "Stimuli-Responsive Gels" that was published in Gels
Book Synopsis Hydrogel Micro and Nanoparticles by : L. Andrew Lyon
Download or read book Hydrogel Micro and Nanoparticles written by L. Andrew Lyon and published by John Wiley & Sons. This book was released on 2012-09-24 with total page 633 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book provides experienced as well as young researchers with a topical view of the vibrant field of soft nanotechnology. In addition to elucidating the underlying concepts and principles that drive continued innovation, major parts of each chapter are devoted to detailed discussions of potential and already realized applications of micro- and nanogel- based materials. Examples of the diverse areas impacted by these materials are biocompatible coatings for implants, films for controlled drug release, self-healing soft materials and responsive hydrogels that react to varying pH conditions, temperature or light.
Book Synopsis Design, Synthesis and Characterization of Multiresponsive Microgels by : Satish Prakash Nayak
Download or read book Design, Synthesis and Characterization of Multiresponsive Microgels written by Satish Prakash Nayak and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis is geared towards using hydrogel nanoparticles in various biotechnological applications. The polymer that was used in making these nanoparticles was poly(N-isopropylacrylamide), which is a thermoresponsive polymer. These particles were used in making fast responsive polymer films, which can be used in optics. It was observed that the rate of deswelling increased as the concentration of the nanoparticles in the film was increased. These particles were also used in making photoresponsive materials. In this case a photoresponsive dye (malachite green) was conjugated to these nanoparticles and in presence of light of appropriate wavelength the particles undergo a phase transition. A core/shell construct was synthesized where the core was composed of degradable cross-links and the shell of composed of non-degradable cross-links. The degradable cross-linker had vicinal diols, which can be cleaved by sodium periodate. Hence after degrading the core, hollow particles were obtained. Zwitterionic particles were made by incorporating a cationic and anionic comonomer. These microgels go from a positively charged state to zwitterionic to negatively charged state on increasing the pH. One of the important potential applications for these microgels is drug delivery. Microgels were used for targeting cancer cells. Folic acid was used as the targeting ligand. The microgels were conjugated with folic acid and were able to target cells that overexpress folate receptors. In one other application core/shell microgels were made which exhibit pore-size dependent permeation of proteins.
Book Synopsis Multi-responsive Microgels by : Todd Hoare
Download or read book Multi-responsive Microgels written by Todd Hoare and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Pharmaceutical Formulation Design by : Usama Ahmad
Download or read book Pharmaceutical Formulation Design written by Usama Ahmad and published by BoD – Books on Demand. This book was released on 2020-02-05 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pharmaceutical formulations have evolved from simple and traditional systems to more modern and complex novel dosage forms. Formulation development is a tedious process and requires an enormous amount of effort from many different people. Developing a stable novel dosage form and further targeting it to the desired site inside the body has always been a challenge. The purpose of this book is to bring together scholarly articles that highlight recent developments and trends in pharmaceutical formulation science. Each article has been written by authors specializing in the subject area and hailing from top institutions around the world. The book has been written in a systematic and lucid style explaining all basic concepts and fundamentals in a very simple way. This book aims to serve the need of all individuals involved at any level in the pharmaceutical dosage form development. I sincerely hope that the book will be liked by inquisitive students and learned colleagues.
Download or read book Hydrogels written by Lacramioara Popa and published by BoD – Books on Demand. This book was released on 2019-04-10 with total page 133 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hydrogels, as three-dimensional polymer networks, are able to retain a large amount of water in their swollen state. The biomedical application of hydrogels was initially hampered by the toxicity of cross-linking agents and the limitations of hydrogel formation under physiological conditions. However, emerging knowledge in polymer chemistry and an increased understanding of biological processes have resulted in the design of versatile materials and minimally invasive therapies.The novel but challenging properties of hydrogels are attracting the attention of researchers in the biological, medical, and pharmaceutical fields. In the last few years, new methods have been developed for the preparation of hydrophilic polymers and hydrogels, which may be used in future biomedical and drug delivery applications. Such efforts include the synthesis of self-organized nanostructures based on triblock copolymers with applications in controlled drug delivery. These hydrogels could be used as carriers for drug delivery when combined with the techniques of drug imprinting and subsequent release. Engineered protein hydrogels have many potential advantages. They are excellent biomaterials and biodegradables. Furthermore, they could encapsulate drugs and be used in injectable forms to replace surgery, to repair damaged cartilage, in regenerative medicine, or in tissue engineering. Also, they have potential applications in gene therapy, although this field is relatively new.
Book Synopsis Optical Manipulation of Multi-responsive Microgels by : Anjali Sharma
Download or read book Optical Manipulation of Multi-responsive Microgels written by Anjali Sharma and published by . This book was released on 2023 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation focuses on the understanding of the optical manipulation of microgels dispersed in aqueous solution of azobenzene containing surfactant. The work consists of three parts where each part is a systematic investigation of the (1) photo-isomerization kinetics of the surfactant in complex with the microgel polymer matrix, (2) light driven diffusiosmosis (LDDO) in microgels and (3) photo-responsivity of microgel on complexation with spiropyran. The first part comprises three publications where the first one [P1] investigates the photo-isomerization kinetics and corresponding isomer composition at a photo-stationary state of the photo-sensitive surfactant conjugated with charged polymers or micro sized polymer networks to understand the structural response of such photo-sensitive complexes. We report that the photo-isomerization of the azobenzene-containing cationic surfactant is slower in a polymer complex compared to being purely dissolved in an aqueous solution. [...].
Book Synopsis Polysaccharide Hydrogels by : Pietro Matricardi
Download or read book Polysaccharide Hydrogels written by Pietro Matricardi and published by CRC Press. This book was released on 2016-01-05 with total page 527 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hydrogels are an emerging area of interest in medicine as well as pharmaceutics, and their physico-chemical characterization is fundamental to their practical applications. Compared with synthetic polymers, polysaccharides that are widely present in living organisms and come from renewable sources are extremely advantageous for hydrogel formation.
Book Synopsis Smart Hydrogel Functional Materials by : Liang-Yin Chu
Download or read book Smart Hydrogel Functional Materials written by Liang-Yin Chu and published by Springer Science & Business Media. This book was released on 2013-10-01 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt: Smart Hydrogel Functional Materials comprehensively and systematically describes our current understanding of smart or intelligent hydrogel functional materials with environmental stimuli-responsive functions. The contents range from hydrogels (including hydrogel-functionalized membranes) to microgels (including hydrogel-functionalized microcapsules) with various response properties, such as thermo-response, pH-response, pH-/thermo-dual-response, glucose-response, ethanol-response, ion-recognition, molecular-recognition, and so on. Most of the contents in this book represent the fresh achievements of the authors’ group on smart hydrogel functional materials. While all chapters can be read as stand-alone papers, together they clearly describe the design concepts, fabrication strategies and methods, microstructures and performances of smart hydrogel functional materials. Vivid schematics and illustrations throughout the book enhance the accessibility of the theory and technologies involved. This is an ideal reference book for a broad general readership including chemists, materials researchers, chemical engineers, pharmaceutical scientists and biomedical researchers, who are interested in designing and fabricating smart hydrogel functional materials for various application purposes. Dr. Liang-Yin Chu is a professor at the School of Chemical Engineering, Sichuan University, China. He is a Distinguished Young Scholar of the National Natural Science Foundation of China and a Distinguished Professor of the “Chang Jiang Scholars Program” of the Ministry of Education of China.
Book Synopsis Smart Stimuli-Responsive Polymers, Films, and Gels by : Liang Hu
Download or read book Smart Stimuli-Responsive Polymers, Films, and Gels written by Liang Hu and published by John Wiley & Sons. This book was released on 2022-08-02 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt: Smart Stimuli-Responsive Poymers, Films, and Gels Discover the most important developments in synthesis, simulation, and applications of a fascinating compound class There exist a range of natural materials that respond to environmental changes by altering their physical or chemical properties, known as stimuli-responsive polymers, these substances are responsive to light, temperature, pressure, and more. The study of these so-called “smart” polymers is essential to a range of application fields, many of which have generated cutting-edge research in recent decades. A comprehensive introduction to the subject is therefore well-timed Smart Stimuli-Responsive Polymers, Films, and Gels provides an introduction to these polymers and their applications. It includes producing these polymers through synthetic approaches, simulating their responses to different stimuli, and applying these materials in different industries and research capacities. Written to serve the requirements of advanced students and senior researchers alike, this timely work will drive years of research in this vital field. In Smart Stimuli-Responsive Polymers, Films, and Gels readers will also find: Treatment of mechanoresponsive, photoresponsive, and ionizing-radiation responsive polymers Applications in emerging fields such as sensors, biomedicine, catalysis, and more Interdisciplinary research into the properties and responses of these vital compounds Smart Stimuli-Responsive Polymers, Films, and Gels promises to become a seminal work for chemists, materials scientists, and industrial researchers seeking to incorporate these materials into a variety of industrial and research areas.
Book Synopsis Synthesis of Functional Hydrogels by : Weifeng Zhao
Download or read book Synthesis of Functional Hydrogels written by Weifeng Zhao and published by Frontiers Media SA. This book was released on 2020-07-28 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Stimuli-responsive and Self-healing Nanocomposite Hydrogels Based on Reversible and Dynamic Crosslinks by : Meng Wu
Download or read book Stimuli-responsive and Self-healing Nanocomposite Hydrogels Based on Reversible and Dynamic Crosslinks written by Meng Wu and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hydrogels, due to their soft and water abundant natures, highly resemble human skins and tissues and thereby have attracted extensive attention in recent years. Functional hydrogels showing responsiveness to various stimuli such as pH, temperature, strain and pressure are promising for a wide range of biomedical and electrical applications. However, traditional hydrogels crosslinked via permanent covalent bonds are generally weak, brittle and lack of functionalities. Incorporation of reversible and dynamic crosslinks into hydrogel networks can effectively improve their mechanical performances, introduce multiple responsiveness, and endow the hydrogels with self-healing capability. On the other hand, introduction of stiff nanomaterials into hydrogel matrix is an effective approach towards strong and functional gel materials. The combination of the nanofillers and appropriate interfacial reversible and dynamic interactions provides a promising method for the fabrication of high-performance multifunctional hydrogels to meet the increasing needs of modern materials. In this thesis, a review on hydrogels based on reversible and dynamic crosslinks, stimuli-responsive and self-healing functions, and nanocomposite hydrogels was presented first followed by three original research projects on developing nanocomposite hydrogels with stimuli sensitivity and self-healing property based on reversible interactions for biomedical and electrical applications. Injectable, self-healing and pH-responsive hydrogels are great intelligent drug delivery vehicles for controlled and localized therapeutic release. Hydrogels that show pH-sensitive behaviors in mildly acidic range are ideal to be used for the treatment of regions showing local acidosis like tumors, wounds and infections. In the first project, we present a facile preparation of an injectable, self-healing and super-sensitive pH-responsive nanocomposite hydrogel based on Schiff base reactions between aldehyde-functionalized polymers and amine-modified silica nanoparticles. The hydrogel shows fast gelation, injectability and rapid self-healing capability. Moreover, the hydrogel demonstrates excellent stability under neutral physiological conditions while a sharp gel-sol transition induced by faintly acidic environment. The pH-responsiveness of the hydrogel is ultra-sensitive, where the mechanical properties, hydrolytic degradation and drug release behaviors can alter significantly when subjected to a slight pH change of 0.2. The novel injectable, self-healing and sensitive pH-responsive hydrogel serves as a promising candidate as localized drug carriers with controlled delivery capability triggered by acidosis, holding great promise for cancer therapy, wound healing and infection treatment. Conductive hydrogels are of great significance for soft electronic devices. In the second project, we have developed a novel hydrogel ionic conductor by integrating nanofiller reinforcement with micelle cross-linking. The hydrogel was facilely prepared via one-pot polymerization of acrylamide and an amino-functionalized monomer in the presence of carbon nanotubes, aldehyde-modified F127 and LiCl. The dynamic chemical and physical interactions of the cross-linked network offers the hydrogel with a wide spectrum of properties, including excellent stretchability, toughness, exceptional elasticity, resistance to damage by sharp materials, self-healing property and high conductivity. In addition, the hydrogel demonstrated cooling-induced whitening optical behavior. When exploited as a strain and pressure sensor to monitor diverse human motions, the prepared hydrogel sensor showed excellent sensitivity and reliability. The hydrogel was further integrated with an eye mask to monitor human sleep and showed high reliability for the detection of rapid eye movement (REM) sleep. This work provides new insights into the fabrication of multifunctional, smart and conductive materials, holding great promise for a broad range of applications like wearable sensors, artificial skins, and soft robotics. In the third project, we have developed an ionic conductive nanocomposite hydrogel with ultra-stretchability and intelligent sensing functions. By leveraging the dynamic feature of multiple intermolecular interactions, polymer/carbon nanotube networks with excellent mechanical performances (i.e., tensile strength, stretchability and toughness up to 1.09 MPa, 4075% and 12.8 MJ/m3, respectively) were achieved. Additionally, the hydrogel is soft, elastic, transparent and self-healing. The rational combination of the mechanical and electrical properties renders the as-prepared hydrogel with excellent sensing performances and cycling stability, and therefore enables it to perform as a sensory unit of a complete platform for the recognition of some complicated human behaviors. Specifically, with the integration of machine learning module, the hydrogel-based platform exhibits great recognition accuracies to human handwriting motions from single letters to words and phrases after proper training. The combination of superior mechanical performances and intelligent sensing functions within this hydrogel-based ionic skin unlocks its potential as the intelligent human-device interface, which promotes the application of artificial intelligence in customized electronic devices.
Book Synopsis Colloidosomes and Stretchable Hydrogels Prepared from PH-responsive Microgels and Nanogels by : Wenkai Wang
Download or read book Colloidosomes and Stretchable Hydrogels Prepared from PH-responsive Microgels and Nanogels written by Wenkai Wang and published by . This book was released on 2018 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Intelligent Hydrogels in Diagnostics and Therapeutics by : Anujit Ghosal
Download or read book Intelligent Hydrogels in Diagnostics and Therapeutics written by Anujit Ghosal and published by CRC Press. This book was released on 2020-05-27 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book explores the potential of hydrogels as a multiutility system and their benefits (biocompatibility, degradability, and supporting scaffolds) for a wide range of applications in diagnostics and therapeutics. It also discusses the future prospects and challenges facing hydrogels. A wide variety of smart hydrogels (conducting, stimuli responsive, and others) with possible biomedical applications are elaborated. The book demonstrates the effectiveness of hydrogels in diagnostics of diseases in various in vivo and in vitro environments and highlights the engineering/functionalization of hydrogels for everyday drug dosage as an efficient drug carrier, scaffold, and sensing application. Explores the potential of hydrogels as a multifunctional system and their benefits, particularly for biomedical applications in diagnostics as well as therapeutics. Highlights the designing and engineering of hydrogels for everyday drug dosage and possible functionalization to fabricate an efficient drug carrier. Examines the significance of biopolymer-based hydrogels and their responsiveness in different physiological fluids. Demonstrates the effectiveness of hydrogels in diagnostics of diseases in various in,vivo and in,vitro environments. Presents challenges associated with the hydrogels and discusses possible in-hand modifications at length. Dr. Anujit Ghosal worked in the School of Biotechnology, Jawaharlal Nehru University, India. Currently, he is affiliated with the School of Life Sciences, Beijing Institute of Technology, Beijing, PRC. Dr. Ghosal researches in biochemistry, polymer chemistry, and nanotechnology. He has been the recipient of prestigious fellowships throughout his research career. His research ability is proven by his published peer-reviewed research and review articles and contributed book chapters. Dr. Ajeet Kaushik works as an assistant professor of chemistry and is exploring advanced electrochemical sensing systems and nanomedicine for personalized health wellness at the Department of Natural Sciences of the Division of Science, Arts, and Mathematics at Florida Polytechnic University, Lakeland, US. He is the recipient of various reputed awards for his service in the area of nanobiotechnology for health care. His excellent research credentials are reflected by his four edited books, 100 international research peer-reviewed publications, and three patents in the area of nanomedicine and smart biosensors for personalized health care.