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Author : Siriporn Tanodekaew
Publisher :
ISBN 13 :
Total Pages : 264 pages
Book Rating : 4.:/5 (643 download)
Download or read book Micellisation and Gelation of Biodegradable Ethylene Oxide Based Block Copolymers written by Siriporn Tanodekaew and published by . This book was released on 1995 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Zhuo Yang
Publisher :
ISBN 13 :
Total Pages : 122 pages
Book Rating : 4.:/5 (643 download)
Download or read book Effect of Block Structure on the Micellisation and Gelation of Aqueous Solutions of Copolymers of Ethylene Oxide and Butylene Oxide written by Zhuo Yang and published by . This book was released on 1993 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Erling Bonne Jørgensen
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (46 download)
Download or read book Gelation and Micellization of Poly(ethylene Oxide) and Poly(propylene Oxide) Triblock Copolymers in Aqueous Solutions written by Erling Bonne Jørgensen and published by . This book was released on 1996 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Thomas G. O'Lenick
Publisher :
ISBN 13 :
Total Pages : 233 pages
Book Rating : 4.:/5 (743 download)
Download or read book Thermo- and PH-sensitive Hydrophilic Block Copolymers written by Thomas G. O'Lenick and published by . This book was released on 2011 with total page 233 pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation presents the synthesis of a series of thermo- and pH-sensitive hydrophilic block copolymers and the study of their solution behavior in water. By incorporating a small amount of weak acid or base groups into the thermosensitive block(s) of a hydrophilic block copolymer, the LCST of the thermosensitive block(s) can be modified by changing the solution pH. Accordingly, the critical micellization temperature (CMT) and the sol-gel transition temperature (T[subscript sol-gel]) of the block copolymer in water can be tuned. Chapter 1 describes the synthesis of thermo- and pH-sensitive poly(methoxydi(ethylene glycol) methacrylate-co-methacrylic acid)-b-PEO-b-poly(methoxydi(ethylene glycol) methacrylate-co-methacrylic acid) and the study of sol-gel transitions of its aqueous solutions at various pH values. The CMT of the 0.2 wt% solution and the T[subscript sol-gel] of the 12.0 wt% solution of this copolymer can be varied over a large temperature range. By judiciously controlling temperature and pH, multiple sol-gel-sol transitions were realized. Chapter 2 presents a systematic study of pH effect on rheological properties of micellar gels formed from 10.0 wt% aqueous solutions of thermo- and pH-sensitive poly(ethoxydi(ethylene glycol) acrylate-co-acrylic acid)-b-PEO-b-poly(ethoxydi(ethylene glycol) acrylate-co-acrylic acid). With the increase of pH, the sol-gel transition became broader. The plateau moduli (G[subscript N]) evaluated from frequency sweeps at T/T[subscript sol-gel] of 1.025, 1.032, and 1.039 decreased with the increase of pH from 3.00 to 5.40 with the largest drop observed at pH = ~ 4.7. The decrease in G[subscript N] reflects the reduction of the number of bridging chains. The ionization of carboxylic acid introduced charges onto the thermosensitive blocks and made the polymer more hydrophilic, facilitating the formation of loops and dangling chains. Chapter 3 presents the synthesis of PEO-b-poly(methoxydi(ethylene glycol) methacrylate-co-2-(N-methyl-N-(4-pyridyl)amino)ethyl methacrylate) with the thermosensitive block containing a catalytic 4-N, N-dialkylaminopyridine and the study of the effect of thermo-induced micellization on its activity in the hydrolysis of p-nitrophenyl acetate. The CMTs of this copolymer at pH of 7.06 and 7.56 were 40 and 37 °C, respectively. Below CMT, the logarithm of initial hydrolysis rate changed linearly with 1/T. Above CMT, the reaction rate leveled off, which is presumably because it was controlled by mass transport to the core of micelles above CMT.
Author : Nobuhiko Yui
Publisher : CRC Press
ISBN 13 : 0203485351
Total Pages : 469 pages
Book Rating : 4.2/5 (34 download)
Download or read book Reflexive Polymers and Hydrogels written by Nobuhiko Yui and published by CRC Press. This book was released on 2004-03-17 with total page 469 pages. Available in PDF, EPUB and Kindle. Book excerpt: . Despite their capacity to carry out functions that previously were unobtainable, smart polymers and hydrogels tend to have painfully slow response times. On the other hand biological systems go through phase changes at an extremely fast rate. Reflexive Polymers and Hydrogels examines the natural systems that respond almost instantaneously to envi
Author : Xian Jun Loh
Publisher : Royal Society of Chemistry
ISBN 13 : 1782629408
Total Pages : 198 pages
Book Rating : 4.7/5 (826 download)
Download or read book Biodegradable Thermogels written by Xian Jun Loh and published by Royal Society of Chemistry. This book was released on 2018-09-27 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt: Biodegradable thermogels are a promising class of stimuli-responsive polymers. This book summarizes recent developments in thermogel research with a focus on synthesis and self-assembly mechanisms, gel biodegradability, and applications for drug delivery, cell encapsulation and tissue engineering. A closing chapter on commercialisation shows the challenges faced bringing this new material to market. Edited by leading authorities on the subject, this book offers a comprehensive overview for academics and professionals across polymer science, materials science and biomedical and chemical engineering.
Author : Abdel Salam Hamdy Makhlouf
Publisher : Woodhead Publishing
ISBN 13 : 008101998X
Total Pages : 694 pages
Book Rating : 4.0/5 (81 download)
Download or read book Stimuli Responsive Polymeric Nanocarriers for Drug Delivery Applications written by Abdel Salam Hamdy Makhlouf and published by Woodhead Publishing. This book was released on 2018-06-14 with total page 694 pages. Available in PDF, EPUB and Kindle. Book excerpt: Stimuli Responsive Polymeric Nanocarriers for Drug Delivery Applications, Volume One: Types and Triggers discusses, in detail, the recent trends in designing biodegradable and biocompatible single-responsive polymers and nanoparticles for safe drug delivery. Focusing on the most advanced materials and technologies, evaluation methods, and advanced synthesis techniques stimuli-responsive polymers, the book is an essential reference for scientists with an interest in drug delivery vehicles. Sections focus on innovation, development and the increased global demand for biodegradable and biocompatible responsive polymers and nanoparticles for safe drug delivery. - Offers an in-depth look at the basic and fundamental aspects of alternative stimuli-responsive polymers, mechanisms, structure, synthesis and properties - Provides a well-defined categorization for stimuli-responsive polymers for drug delivery based on different triggering mechanisms - Discusses novel approaches and challenges for scaling up and commercialization of stimuli-responsive polymers
Author : Xian Jun Loh
Publisher : Springer
ISBN 13 : 9812871527
Total Pages : 229 pages
Book Rating : 4.8/5 (128 download)
Download or read book In-Situ Gelling Polymers written by Xian Jun Loh and published by Springer. This book was released on 2014-10-01 with total page 229 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the research involving in situ gelling polymers and can be used as a guidebook for academics, industrialists and postgraduates interested in this area. This work summaries the academic contributions from the top authorities in the field and explore the fundamental principles of in situ gelling polymeric networks, along with examples of their major applications. This book aims to provide an up-to-date resource of in situ gelling polymer research.
Author : Johnathan Zhang
Publisher : Elsevier
ISBN 13 : 0857097172
Total Pages : 325 pages
Book Rating : 4.8/5 (57 download)
Download or read book Switchable and Responsive Surfaces and Materials for Biomedical Applications written by Johnathan Zhang and published by Elsevier. This book was released on 2014-12-11 with total page 325 pages. Available in PDF, EPUB and Kindle. Book excerpt: Surface modification of biomaterials can ultimately determine whether a material is accepted or rejected from the human body, and a responsive surface can further make the material "smart" and "intelligent". Switchable and Responsive Surfaces and Materials for Biomedical Applications outlines synthetic and biological materials that are responsive under different stimuli, their surface design and modification techniques, and applicability in regenerative medicine/tissue engineering, drug delivery, medical devices, and biomedical diagnostics. Part one provides a detailed overview of switchable and responsive materials and surfaces, exploring thermo-responsive polymers, environmentally responsive polyelectrolytes and zwitterionic polymers, as well as peptide-based and photonic sensitive switchable materials. Further chapters include a detailed overview of the preparation and analysis of switchable polymer brushes and copolymers for biomedical application. Part two explores the biological interactions and biomedical applications of switchable surfaces, where expert analysis is provided on the interaction of switchable surfaces with proteins and cells. The interaction of stimuli-sensitive polymers for tissue engineering and drug delivery with biosurfaces is critiqued, whilst the editor provides a skillful study into the application of responsive polymers in implantable medical devices and biosensors. - A comprehensive overview of switchable and responsive materials and surfaces - Includes in depth analysis of thermo-responsive polymers, photonic sensitive materials and peptide-based surfaces - Detailed exploration of biological interactions of responsive and switchable surfaces, covering stimuli-sensitive polymers for drug delivery, surfaces with proteins/cells and application of polymers in medical devices
Author : Raphael M. Ottenbrite
Publisher : Springer Science & Business Media
ISBN 13 : 144195919X
Total Pages : 438 pages
Book Rating : 4.4/5 (419 download)
Download or read book Biomedical Applications of Hydrogels Handbook written by Raphael M. Ottenbrite and published by Springer Science & Business Media. This book was released on 2010-09-05 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hydrogels are networks of polymer chains which can produce a colloidal gel containing over 99 per cent water. The superabsorbency and permeability of naturally occurring and synthetic hydrogels give this class of materials an amazing array of uses. These uses range from wound dressings and skin grafts to oxygen-permeable contact lenses to biodegradable delivery systems for drugs or pesticides and scaffolds for tissue engineering and regenerative medicine. Biomedical Applications of Hydrogels Handbook provides a comprehensive description of this diverse class of materials, covering both synthesis and properties and a broad range of research and commercial applications. The Handbook is divided into four sections: Stimuli-Sensitive Hydrogels, Hydrogels for Drug Delivery, Hydrogels for Tissue Engineering, and Hydrogels with Unique Properties. Key Features: Provides comprehensive coverage of the basic science and applications of a diverse class of materials Includes both naturally occurring and synthetic hydrogels Edited and written by world leaders in the field.
Author : Kunal Pal
Publisher : Woodhead Publishing
ISBN 13 : 0081021801
Total Pages : 570 pages
Book Rating : 4.0/5 (81 download)
Download or read book Polymeric Gels written by Kunal Pal and published by Woodhead Publishing. This book was released on 2018-06-15 with total page 570 pages. Available in PDF, EPUB and Kindle. Book excerpt: Polymeric Gels: Characterization, Properties and Biomedical Applications covers the fundamentals and applications of polymeric gels. Particular emphasis is given to their synthesis, properties and characteristics, with topics such as natural, synthetic, and smart polymeric gels, medical applications, and advancements in conductive and magnetic gels presented. The book covers the basics and applications of hydrogels, providing readers with a comprehensive guide on the types of polymeric gels used in the field of biomedical engineering. - Provides guidance for decisions on the suitability and appropriateness of a synthetic route and characterization technique for particular polymeric networks - Analyzes and compares experimental data - Presents in-depth information on the physical properties of polymeric gels using mathematical models - Uses an interdisciplinary approach to discuss potential new applications for both established polymeric gels and recent advances
Author : Rui L. Reis
Publisher : CRC Press
ISBN 13 : 0203491238
Total Pages : 590 pages
Book Rating : 4.2/5 (34 download)
Download or read book Biodegradable Systems in Tissue Engineering and Regenerative Medicine written by Rui L. Reis and published by CRC Press. This book was released on 2004-11-29 with total page 590 pages. Available in PDF, EPUB and Kindle. Book excerpt: Conventional materials technology has yielded clear improvements in regenerative medicine. Ideally, however, a replacement material should mimic the living tissue mechanically, chemically, biologically and functionally. The use of tissue-engineered products based on novel biodegradable polymeric systems will lead to dramatic improvements in health
Author : J. K. Cizravi
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (643 download)
Download or read book Synthesis of Ethylene Oxide Based Block Copolymers and Their Application in Adsorption-flocculation Processes written by J. K. Cizravi and published by . This book was released on 1978 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Zheng Zhang
Publisher :
ISBN 13 : 9789036522991
Total Pages : 168 pages
Book Rating : 4.5/5 (229 download)
Download or read book Biodegradable Block Copolymers Based on Trimethylene Carbonate, Lactides, and Poly(ethylene Glycol) written by Zheng Zhang and published by . This book was released on 2006 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Yiyan Chen
Publisher :
ISBN 13 :
Total Pages : 620 pages
Book Rating : 4.3/5 (129 download)
Download or read book Synthesis, Modeling and Characterization of Ethylene Oxide-segmented Microblock Copolymers written by Yiyan Chen and published by . This book was released on 1999 with total page 620 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 992 pages
Book Rating : 4.F/5 ( download)
Download or read book Index to Theses with Abstracts Accepted for Higher Degrees by the Universities of Great Britain and Ireland and the Council for National Academic Awards written by and published by . This book was released on 1997 with total page 992 pages. Available in PDF, EPUB and Kindle. Book excerpt: Theses on any subject submitted by the academic libraries in the UK and Ireland.
Author : Vijay Kumar Thakur
Publisher : John Wiley & Sons
ISBN 13 : 1119041392
Total Pages : 488 pages
Book Rating : 4.1/5 (19 download)
Download or read book Handbook of Polymers for Pharmaceutical Technologies, Processing and Applications written by Vijay Kumar Thakur and published by John Wiley & Sons. This book was released on 2015-08-04 with total page 488 pages. Available in PDF, EPUB and Kindle. Book excerpt: Polymers are one of the most fascinating materials of the present era finding their applications in almost every aspects of life. Polymers are either directly available in nature or are chemically synthesized and used depending upon the targeted applications. Advances in polymer science and the introduction of new polymers have resulted in the significant development of polymers with unique properties. Different kinds of polymers have been and will be one of the key in several applications in many of the advanced pharmaceutical research being carried out over the globe. This 4-partset of books contains precisely referenced chapters, emphasizing different kinds of polymers with basic fundamentals and practicality for application in diverse pharmaceutical technologies. The volumes aim at explaining basics of polymers based materials from different resources and their chemistry along with practical applications which present a future direction in the pharmaceutical industry. Each volume offer deep insight into the subject being treated. Volume 1: Structure and Chemistry Volume 2: Processing and Applications Volume 3: Biodegradable Polymers Volume 4: Bioactive and Compatible Synthetic/Hybrid Polymers
