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Stimulus Responsive Microgels
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Book Synopsis Stimulus-responsive Microgels by : Mallika Das
Download or read book Stimulus-responsive Microgels written by Mallika Das and published by . This book was released on 2008 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt: Materials science today is a multidisciplinary effort comprising an accelerated convergence of diverse fields spanning the physical, applied, and engineering sciences. This diversity promises to deliver the next generation of advanced functional materials for a wide range of specific applications. In particular, the past decade has seen a growing interest in the development of nanoscale materials for sophisticated technologies. Aqueous colloidal microgels have emerged as a promising class of soft materials for multiple biotechnology applications. The amalgamation of physical, chemical and mechanical properties of microgels with optical properties of nanostructures in hybrid composite particles further enhances the capabilities of these materials. This work covers the general areas of responsive polymer microgels and their composites, and encompasses methods of fabricating microgel-based drug delivery systems for controlled and targeted therapeutic applications.The first part of this thesis is devoted to acquainting the reader with the fundamental aspects of the synthesis, functionalization and characteristic properties of stimulus-responsive microgels constructed from poly(N-isopropylacrylamide) (poly(NIPAm)) and other functional comonomers. In particular, the role of electrostatics on the swelling-deswelling transitions of polyampholyte microgels upon exposure to a range of environmental stimuli including pH, temperature, and salt concentration are discussed. The templated synthesis of bimetallic gold and silver nanoparticles in zwitterionic microgels is also described.The latter part of this thesis focuses on the rational development of microgel-based drug delivery systems for controlled and targeted drug release. Specifically, the development of a biofunctionalized, pH-responsive drug delivery system (DDS) is illustrated, and shown to effectively suppress cancer cells when loaded with an anticancer agent. In another chapter, the design of tailored hybrid particles that combine the thermal response of microgels with the light-sensitive properties of gold nanorods to create a DDS for photothermally-induced drug release is discussed. The photothermally-triggered volume transitions of hybrid microgels under physiological conditions are reported, and their suitability for the said application evaluated. In another component of this work, it is explicitly shown that electrostatic interactions were not needed to deposit gold nanorods on poly(NIPAm)-derived particles, thereby eliminating the need for incorporation of charged functional groups in the microgels that are otherwise responsible for large, undesirable shifts and broadening of the phase transition.
Book Synopsis Synthesis and Characterization of Stimuli-responsive Microgels Based on Poly(glycidol)block Copolymers by : Sebastian Mendrek
Download or read book Synthesis and Characterization of Stimuli-responsive Microgels Based on Poly(glycidol)block Copolymers written by Sebastian Mendrek and published by . This book was released on 2006 with total page 197 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 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 Science & Business Media. This book was released on 2010-10-08 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 Varios Hominum Per Totum Orbem Dispersorum Potus, Una Cum Lite De Cerevisiarum Praestantia, Coram Apollinis Tribunali In Bicolli Parnasso Musis Adplaudentibus Agitata; Atque Iudicio Phobi De Principatu Cervisiae Nordhusanae Ex Re Et Vero Pronuncinantis Feliciter Decisa, Carmine Expendere Volvit Ingenvus Interpres Musarum A.O.R. MDCCXV by :
Download or read book Varios Hominum Per Totum Orbem Dispersorum Potus, Una Cum Lite De Cerevisiarum Praestantia, Coram Apollinis Tribunali In Bicolli Parnasso Musis Adplaudentibus Agitata; Atque Iudicio Phobi De Principatu Cervisiae Nordhusanae Ex Re Et Vero Pronuncinantis Feliciter Decisa, Carmine Expendere Volvit Ingenvus Interpres Musarum A.O.R. MDCCXV written by and published by . This book was released on 1715 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Synthesis and Characterization of Stimuli-responsive Microgels Based on Poly(glycidol)block Copolymers by :
Download or read book Synthesis and Characterization of Stimuli-responsive Microgels Based on Poly(glycidol)block Copolymers written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: New water soluble, attainable to ATRP polymerization Cl-terminated poly(glycidol) macroinitiators were prepared by modification of (Omega)-hydroxyl group of poly(glycidol acetal) using 2-chloropropionyl chloride fallowed by selective acidic deprotection of acetal groups. The obtained macroinitiators of different molar masses were successfully employed in ATRP of NIPAM and 4VP to give well-defined stimuli sensitive block copolymers of targeted molar ratio of blocks. The results obtained from light scattering methods showed formation of stable aggregates upon stimuli (pH or temperature) by all the obtained polymers. Additionally, photocrosslinkable block copolymers of glycidol and NIPAM having incorporated moieties of chromophore (2-(dimethyl maleinimido)-N-ethyl-acryl amide) were prepared using macroinitiator technique and used to synthesis of temperature sensitive microgels. Conjunction points have been successfully formed by UV irradiation of polymer water solution above cloud point. The influence of such parameters like block ratio, block length, amount of chromophore, concentration, irradiation time, temperature and heating rate on the properties of obtained microgels was investigated. The obtained core-shell structures were stable under critical conditions and showed continuous volume phase separation process upon increase of temperature, fully reversible and reproducible (no hysteresis effect). Thus, the proposed method not only gave the opportunity to control size or swelling degree of microgels, but also diminished gradient in crosslinking density (random chromophore distribution in polymer backbone), improved colloid stability (poly(glycidol) shell) and completely eliminated additives (surfactants, initiators, stabilizers).
Book Synopsis Supramolecular Stimuli-responsive Microgels Crosslinked by Tannic Acid by : Astrid Catalina Molano López
Download or read book Supramolecular Stimuli-responsive Microgels Crosslinked by Tannic Acid written by Astrid Catalina Molano López and published by . This book was released on 2019 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Development of Responsive Nano/microgels for Materials Application by : Ting Zhou
Download or read book Development of Responsive Nano/microgels for Materials Application written by Ting Zhou and published by . This book was released on 2012 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt: Stimulus-responsive polymer microgels swell and shrink reversibly upon exposure to various environmental stimuli such as change in pH, temperature, ionic strength or magnetic fields. Therefore, they become ideal candidates for biomaterial applications. This work covers the general areas of responsive microgels and their application on controlled and targeted drug release. According to the therapy purpose, this work can be classified to two parts.
Download or read book Microgels written by Wing-Fu Lai and published by Nova Science Publishers. This book was released on 2018 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since the turn of the last century, significant advances have been documented in the literature on the design and engineering of microgels. Specialized reviews, each covering only a specific aspect of microgel development, are available; however, works that provide a comprehensive overview of the recent status of microgel research can hardly been found. The latter is important to the field as it can offer a broad view of the current situation and the possibilities for future microgel research. The objective of this book is to fill this gap by presenting a snapshot of the latest advances in the synthesis, characterization and applications of microgels. This book consists of three sections. The first section aims at providing an overview of the latest status of microgel research. Concepts in the current understandings of microgel fabrication and characterisation will be discussed. The second section is devoted to exploiting microgel properties and engineering techniques. The development of a diversity of gel systems, ranging from stimuli-responsive microgels and noncovalent crosslinking microgels to phenol formaldehyde-based aerogels, will be reviewed. The potential use of electrospray technologies to manipulate the microstructure of microgels will also be exploited. The last section intends to highlight the application potential of microgels, with a special focus on wastewater treatment, drug delivery, tissue engineering, gene delivery, bioimaging, and antifouling. It is hoped that this book will not only lay a foundation of knowledge and terminology to those interested in a future research career in the subject, but can also serve as a reference guide to researchers working in the field in terms of the concepts and techniques relating to microgel development.
Book Synopsis Lab-on-Fiber Technology by : Andrea Cusano
Download or read book Lab-on-Fiber Technology written by Andrea Cusano and published by Springer. This book was released on 2014-07-29 with total page 377 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on a research field that is rapidly emerging as one of the most promising ones for the global optics and photonics community: the “lab-on-fiber” technology. Inspired by the well-established "lab on-a-chip" concept, this new technology essentially envisages novel and highly functionalized devices completely integrated into a single optical fiber for both communication and sensing applications. Based on the R&D experience of some of the world's leading authorities in the fields of optics, photonics, nanotechnology, and material science, this book provides a broad and accurate description of the main developments and achievements in the lab-on-fiber technology roadmap, also highlighting the new perspectives and challenges to be faced. This book is essential for scientists interested in the cutting-edge fiber optic technology, but also for graduate students.
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.
Book Synopsis Stimuli Responsive Hybrid Microgels Functionalized with Metal Nanoparticles by : Volodymyr Palchyk
Download or read book Stimuli Responsive Hybrid Microgels Functionalized with Metal Nanoparticles written by Volodymyr Palchyk and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 Supramolecular Stimuli-responsive Microgels Crosslinked by Tannic Acid by : Astrid Catalina Molano López
Download or read book Supramolecular Stimuli-responsive Microgels Crosslinked by Tannic Acid written by Astrid Catalina Molano López and published by . This book was released on 2019* with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Stimulus-responsive Polysacchardie Microgel Particles Prepared by Temperature Induced Aggregation and Electrospraying Techniques by : James Myrick
Download or read book Stimulus-responsive Polysacchardie Microgel Particles Prepared by Temperature Induced Aggregation and Electrospraying Techniques written by James Myrick and published by . This book was released on 2017 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Microgels written by Wing-Fu Lai and published by Nova Science Publishers. This book was released on 2018-06 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since the turn of the last century, significant advances have been documented in the literature on the design and engineering of microgels. Specialized reviews, each covering only a specific aspect of microgel development, are available; however, works that provide a comprehensive overview of the recent status of microgel research can hardly been found. The latter is important to the field as it can offer a broad view of the current situation and the possibilities for future microgel research. The objective of this book is to fill this gap by presenting a snapshot of the latest advances in the synthesis, characterization and applications of microgels. This book consists of three sections. The first section aims at providing an overview of the latest status of microgel research. Concepts in the current understandings of microgel fabrication and characterization will be discussed. The second section is devoted to exploiting microgel properties and engineering techniques. The development of a diversity of gel systems, ranging from stimuli-responsive microgels and noncovalent crosslinking microgels to phenol formaldehyde-based aerogels, will be reviewed. The potential use of electrospray technologies to manipulate the microstructure of microgels will also be exploited. The last section intends to highlight the application potential of microgels, with a special focus on wastewater treatment, drug delivery, tissue engineering, gene delivery, bioimaging, and antifouling. It is hoped that this book will not only lay a foundation of knowledge and terminology to those interested in a future research career in the subject, but can also serve as a reference guide to researchers working in the field in terms of the concepts and techniques relating to microgel development.
Book Synopsis P-NIPAM Microgels as Stimuli Responsive Matrix for Embedding Functional Inorganic and Organic Particles by :
Download or read book P-NIPAM Microgels as Stimuli Responsive Matrix for Embedding Functional Inorganic and Organic Particles written by and published by . This book was released on 2012 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt:
