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Author : Gary M. Eichenbaum
Publisher :
ISBN 13 :
Total Pages : 360 pages
Book Rating : 4.:/5 (422 download)
Download or read book Design, Synthesis and Characterization of Ion Responsive Microgels written by Gary M. Eichenbaum and published by . This book was released on 1999 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Andrij Pich
Publisher : Springer Science & Business Media
ISBN 13 : 3642163785
Total Pages : 175 pages
Book Rating : 4.6/5 (421 download)
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
Author : Andrij Pich
Publisher : Springer
ISBN 13 : 9783642163807
Total Pages : 168 pages
Book Rating : 4.1/5 (638 download)
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
Author : Satish Prakash Nayak
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (66 download)
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.
Author : Sebastian Mendrek
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (18 download)
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 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Haobo Chen
Publisher :
ISBN 13 :
Total Pages : 144 pages
Book Rating : 4.:/5 (933 download)
Download or read book Development of Environmentally Responsive Multifunctional Microgel Particles written by Haobo Chen and published by . This book was released on 2015 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt: Environmentally responsive microgels have drawn significant attention due to their intrinsic ability to change volume in response to various external stimuli such as pH, temperature, osmotic pressure, or electric and magnetic fields. The extent of particle swelling is controlled by the nature of the polymer-solvent interaction. This thesis focuses on design and synthesis of environmentally responsive microgels and their composites, and encompasses methods of utilizing microgel systems in applications as vehicles for the adsorption, retention, and targeted delivery of chemical species. Furthermore, self-assembled microgel particles at ionic liquid (IL)-water interfaces demonstrate responsive colloidal lattice morphology. The thesis first reports on the fundamental aspects of synthesis, functionalization, and characteristic properties of multifunctional environmentally responsive microgels derived from poly(N-isopropylacrylamide) (PNIPAm) and other functional co-monomers. In particular, the uptake and release of active chemical species such as rheology modifiers into and from these ionic microgels is demonstrated. Moreover, a facile tunable method for the formation of organic-inorganic composites with Fe3O4 nanoparticles adsorbed and embedded within ionic microgel particles is explored. Additionally, the development of zwitterionic microgels (ZI-MG) is presented. These aqueous ZI-MG dispersions exhibit reversible parabolic swelling as a function of pH and display a minimum hydrodynamic diameter at a tunable isoelectric point (IEP). This study also elucidates the controlled uptake and release of surfactants from these particle systems. The extent of surfactant loading and the ensuing relative swelling/deswelling behaviors within the polymer networks are explained in terms of their binding interactions. The latter part of this thesis highlights the versatility of fluorescently labeled microgel particles as stabilizers for IL-water droplets. When the prepared particles form monolayers and equilibrate at the liquid-liquid interface, the colloidal lattice organization may re-order itself depending on the surface charge of these particles. Finally, it is shown that the spontaneously formed and densely packed layers of microgel particles can be employed for extraction applications, as the interface remains permeable to small active species.
Author : Wing-Fu Lai
Publisher : Nova Science Publishers
ISBN 13 : 9781536135237
Total Pages : 338 pages
Book Rating : 4.1/5 (352 download)
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.
Author :
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (14 download)
Download or read book Synthesis and Characterization of Core-Shell Thermo-Responsive Microgels with Linear Transition Behavior written by and published by . This book was released on 2015 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Todd Hoare
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (181 download)
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:
Author :
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (946 download)
Download or read book Design, Synthesis, and Characterization of New Ionic Liquids written by and published by . This book was released on 2003 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Moira Marie Esson
Publisher :
ISBN 13 :
Total Pages : 291 pages
Book Rating : 4.:/5 (123 download)
Download or read book Design, Synthesis, and Characterization of Dicholinium-based Ionic Liquids for Drug Delivery and Materials Science Applications written by Moira Marie Esson and published by . This book was released on 2019 with total page 291 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ionic liquids are exceptionally unique molecules, composed of cationic and anionic constituents, whose numerous advantageous properties have promoted their use in both the pharmaceutical sciences and the materials sciences. A large majority of the drugs on the market or in the pipeline are highly potent yet exhibit significant hydrophobic character. These drugs require careful formulation to allow for use in the clinic. The extraordinary ability of ionic liquids to dissolve a wide variety of compounds has facilitated their use in the pharmaceutical sciences and renders them advantageous for their use in nanoemulsion drug delivery vehicles. This work, in part, investigates the use of hydrophobic ionic liquids as components in nanoemulsion drug delivery vehicles. In this thesis hydrophobic dicationic cholinium-based ionic liquids have been synthesized and formulated to leverage the unique properties of ionic liquids to solubilize large amounts of various pharmaceutical agents. The dicationic cholinium-based cationic architecture was specifically designed to be biocompatible and mitigate any toxic effects typically associated with ionic liquid cationic architectures used for the formulation of hydrophobic ionic liquids. The hydrophobic dicationic cholinium-based ionic liquids can be successfully used as a component in the hydrophobic media for the formulation of oil-in-water nanoemulsions for intravenous delivery of pharmaceutical agents. Stable nanoemulsions composed with the hydrophobic dicationic cholinium-based ionic liquids were successfully formulated for the antifungal agent Amphotericin B, the hydrophobic chemotherapeutic agent paclitaxel, and the hydrophilic chemotherapeutic cisplatin. The formulations show high drug loading, and prolonged in vitro release of the drugs. The use of ionic liquid crystals has attracted considerable attention in the materials science due to the fact they combine the advantageous properties of ionic liquids and liquid crystals. We also investigate the counterion dependent mesophase behaviors of the ionic liquid crystals composed of the novel dicationic cholinium-based architecture. These studies demonstrate the benefits of using hydrophobic ionic liquids as components in nanoemulsions for intravenous drug delivery. Moreover, these studies demonstrate the advantageous design of the dicationic cholinium-based architecture.
Author : Igor Galaev
Publisher : CRC Press
ISBN 13 : 1439832374
Total Pages : 492 pages
Book Rating : 4.4/5 (398 download)
Download or read book Smart Polymers written by Igor Galaev and published by CRC Press. This book was released on 2007-07-25 with total page 492 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first book to tackle the application of smart polymers in bioseparation and bioprocessing, Smart Polymers: Applications in Biotechnology and Biomedicine broke new ground in this challenging field. Completely revised, updated, and following in the footsteps of its predecessor, the second edition is poised to take its place as a premier reference
Author : Usama Ahmad
Publisher : BoD – Books on Demand
ISBN 13 : 1789856620
Total Pages : 166 pages
Book Rating : 4.7/5 (898 download)
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.
Author :
Publisher :
ISBN 13 :
Total Pages : 946 pages
Book Rating : 4.F/5 ( download)
Download or read book Dissertation Abstracts International written by and published by . This book was released on 2008 with total page 946 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Nettraporn Doungsong
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (18 download)
Download or read book Synthesis and Characterization of Poly(acrylic Acid) Based Microgels for Formulation Applications written by Nettraporn Doungsong and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Reynolds A. Frimpong
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (129 download)
Download or read book Synthesis and Characterization of Magnetically Responsive Hydrogel Composites written by Reynolds A. Frimpong and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Stacey Claire Maddock
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (591 download)
Download or read book Synthesis and Characterization of Novel Imprinted Microgels with Hydrolytic Catalytic Activity written by Stacey Claire Maddock and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
