Download or read book Amorphous Calcium Phosphate Composites of a Phenylalanine based Poly ester Urea Poly 1 phe 6 written by Gabrielle Victoria Seifert and published by . This book was released on 2016 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt: Critical size bone defects are large defects that do not spontaneously heal over time and result in permanent non-union of the bone. These abnormalities can result from traumas, surgeries, and diseases. Surgical methods used to treat these defects include natural (autografts and allografts) and synthetic bone grafts. Autografts draw advantages from diminished immune response but suffer from complications during implantation as well as pain and cosmetic defects during removal. Allograft complications include rejection and infection. Infection can be minimized by sterile processing techniques, but this frequently leads to diminished mechanical properties post-processing. As a consequence of these limitations, synthetic bone grafts have drawn significant interest. Synthetic bone grafts include biodegradable polymers, metals, and ceramics. For example, poly(caprolactone) (PCL) and poly(L-lactic acid) (PLLA) are biodegradable polymers used widely for medical applications. These materials can be molded into any desired shape; however, they are unsuitable for load-bearing applications as a consequence of their poor mechanical properties post-processing. Bioceramics, such as amorphous calcium phosphate (ACP), benefit from their osteoconductive behavior but are too brittle for load-bearing applications. Combining the biodegradable polymers with bioceramics have shown increased mechanical properties in the composites. The goal of this study was to examine the resulting mechanical properties of combining an L-phenylalanine-based poly(ester urea) (PEU) with various amount of ACP. We hypothesize that adding ACP to the polymer will lead to enhanced mechanical properties compared to the pure polymer.
Download or read book Polymer Data Handbook written by James E. Mark and published by Oxford University Press, USA. This book was released on 2009 with total page 1250 pages. Available in PDF, EPUB and Kindle. Book excerpt: This new edition includes better values of properties already reported, properties not reported in time for the earlier edition, and entirely new properties becoming important for modern polymer applications. It also contains 217 total polymers, 20 of which are all-new, particularly in high-technology areas such as eletrical conductivity, non-linear optical properties, microlithography, nanophotonics, and electroluminescences. Examples of specific polymers include silsesquoxane ladder polymers, 'foldamer' self-assembling polymers, and block copolymers that phase separate into 'mushrooms', ellipsoids, and sheets with on surface radically different in properties from the other.
Download or read book Biomaterials written by David Byrom and published by Springer. This book was released on 1991-06-18 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt: Biomaterials are produced from biological material and are used for their physical characteristics. This book looks at the range of biomaterials and their applications which range from the use of polysaccharides as thickening agents to the use of proteins as fibres and adhesives.
Download or read book Strategies to Modify the Drug Release from Pharmaceutical Systems written by Marcos Luciano Bruschi and published by Woodhead Publishing. This book was released on 2015-06-16 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since the earliest dosage forms to modern drug delivery systems, came a great development and growth of knowledge with respect to drug delivery. Strategies to Modify the Drug Release from Pharmaceutical Systems will address principles, systems, applications and advances in the field.It will be principally a textbook and a reference source of strategies to modify the drug release. Moreover, the characterization, mathematical and physicochemical models, applications and the systems will be discussed. Addresses the principles, systems, applications and advances in the field of drug delivery Highlights the mathematical and physicochemical principles related to strategies Discusses drug release and its possible modifications
Download or read book Clay Polymer Nanocomposites written by Khouloud Jlassi and published by Elsevier. This book was released on 2017-07-26 with total page 548 pages. Available in PDF, EPUB and Kindle. Book excerpt: Clay–Polymer Nanocomposites is a complete summary of the existing knowledge on this topic, from the basic concepts of synthesis and design to their applications in timely topics such as high-performance composites, environment, and energy issues. This book covers many aspects of synthesis such as in- situ polymerization within the interlamellar spacing of the clays or by reaction of pristine or pre-modified clays with reactive polymers and prepolymers. Indeed, nanocomposites can be prepared at industrial scale by melt mixing. Regardless the synthesis method, much is said in this book about the importance of theclay pre-modification step, which is demonstrated to be effective, on many occasions, in obtaining exfoliated nanocomposites. Clay–Polymer Nanocomposites reports the background to numerous characterization methods including solid state NMR, neutron scattering, diffraction and vibrational techniques as well as surface analytical methods, namely XPS, inverse gas chromatography and nitrogen adsorption to probe surface composition, wetting and textural/structural properties. Although not described in dedicated chapters, numerous X-ray diffraction patterns of clay–polymer nanocomposites and reference materials are displayed to account for the effects of intercalation and exfoliations of layered aluminosilicates. Finally, multiscale molecular simulation protocols are presenting for predicting morphologies and properties of nanostructured polymer systems with industrial relevance. As far as applications are concerned, Clay–Polymer Nanocomposites examines structural composites such as clay–epoxy and clay–biopolymers, the use of clay–polymer nanocomposites as reactive nanocomposite fillers, catalytic clay-(conductive) polymers and similar nanocomposites for the uptake of hazardous compounds or for controlled drug release, antibacterial applications, energy storage, and more. The most comprehensive coverage of the state of the art in clay–polymer nanocomposites, from synthesis and design to opportunities and applications Covers the various methods of characterization of clay–polymer nanocomposites - including spectroscopy, thermal analyses, and X-ray diffraction Includes a discussion of a range of application areas, including biomedicine, energy storage, biofouling resistance, and more
Download or read book Biodegradable and Biocompatible Polymer Composites written by Navinchandra Gopal Shimpi and published by Woodhead Publishing. This book was released on 2017-09-18 with total page 460 pages. Available in PDF, EPUB and Kindle. Book excerpt: Biodegradable and Biocompatible Polymer Composites: Processing, Properties and Applications begins by discussing the current state-of-the-art, new challenges and opportunities for various biodegradable and biocompatible polymer composite systems. Interfacial characterization of composites and the structure-property relationships in various composite systems are explained in detail via a theoretical model. Processing techniques for various macro and nanocomposite systems and the influence of processing parameters on properties of the composite are also reviewed in detail. The characterization of microstructure, elastic, visco-elastic, static and dynamic mechanical, thermal, rheological, optical, and electrical properties are highlighted, as are a broad range of applications. The book is a useful reference resource for both researchers and engineers working in composites materials science, biotechnology and nanotechnology, and is also useful for students attending chemistry, physics, and materials science and engineering courses. Presents recent outcomes and highlights the going importance of biodegradable and biocompatible polymer composites and their impact on the environment Analyzes all the main processing techniques, characterization and applications of biodegradable composites Written by leading international experts working in the field of biodegradable and biocompatible polymer composites Covers a broad range of application fields, including medical and pharmaceutical, agricultural, packaging and transport
Download or read book High Performance Polymers and Engineering Plastics written by Vikas Mittal and published by John Wiley & Sons. This book was released on 2011-09-09 with total page 454 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes advances in synthesis, processing, and technology of environmentally friendly polymers generated from renewable resources. With contents based on a wide range of functional monomers and contributions from eminent researchers, this volume demonstrates the design, synthesis, properties and applications of plant oil based polymers, presenting an elaborate review of acid mediated polymerization techniques for the generation of green polymers. Chemical engineers are provided with state-of-the-art information that acts to further progress research in this direction.
Download or read book Medicinal Natural Products written by Paul M. Dewick and published by John Wiley & Sons. This book was released on 2002-01-03 with total page 524 pages. Available in PDF, EPUB and Kindle. Book excerpt: This guide covers classes of natural products in medicine, whether derived from plants, micro-organisms or animals. Structured according to biosynthetic pathway, it is written from a chemistry-based approach.
Download or read book ACS Style Guide written by Anne M. Coghill and published by American Chemical Society. This book was released on 2006 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the time since the second edition of The ACS Style Guide was published, the rapid growth of electronic communication has dramatically changed the scientific, technical, and medical (STM) publication world. This dynamic mode of dissemination is enabling scientists, engineers, and medicalpractitioners all over the world to obtain and transmit information quickly and easily. An essential constant in this changing environment is the requirement that information remain accurate, clear, unambiguous, and ethically sound.This extensive revision of The ACS Style Guide thoroughly examines electronic tools now available to assist STM writers in preparing manuscripts and communicating with publishers. Valuable updates include discussions of markup languages, citation of electronic sources, online submission ofmanuscripts, and preparation of figures, tables, and structures. In keeping current with the changing environment, this edition also contains references to many resources on the internet.With this wealth of new information, The ACS Style Guide's Third Edition continues its long tradition of providing invaluable insight on ethics in scientific communication, the editorial process, copyright, conventions in chemistry, grammar, punctuation, spelling, and writing style for any STMauthor, reviewer, or editor. The Third Edition is the definitive source for all information needed to write, review, submit, and edit scholarly and scientific manuscripts.
Download or read book The Maillard Reaction written by H E Nursten and published by Royal Society of Chemistry. This book was released on 2007-10-31 with total page 227 pages. Available in PDF, EPUB and Kindle. Book excerpt: Research in the field of the Maillard reaction has developed rapidly in recent years as a result of not only the application of improved analytical techniques, but also of the realisation that the Maillard reaction plays an important role in some human diseases and in the ageing process. The Maillard Reaction: Chemistry, Biochemistry, and Implications provides a comprehensive treatise on the Maillard reaction. This single-author volume covers all aspects of the Maillard reaction in a uniform, co-ordinated, and up-to-date manner. The book encompasses: the chemistry of non-enzymic browning; recent advances; colour formation in non-enzymic browning; flavour and off-flavour formation in non-enzymic browning; toxicological aspects; nutritional aspects; other physiological aspects; other consequences of technological significance; implications for other fields; non-enzymic browning due mainly to ascorbic acid; caramelisation; inhibition of non-enzymic browning in foods; and inhibition of the Maillard reaction in vivo. The Maillard Reaction: Chemistry, Biochemistry, and Implications will be welcomed as an important publication for both new and experienced researchers who are involved in solving the mysteries and complexities of Maillard chemistry and biochemistry. It will also appeal to students, university lecturers, and researchers in a variety of fields, including food science, nutrition, biochemistry, medicine, pharmacology, toxicology, and soil science.
Download or read book Biopolymers from Renewable Resources written by David L. Kaplan and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt: Biopolymers from Renewable Resources is a compilation of information on the diverse and useful polymers derived from agricultural, animal, and microbial sources. The volume provides insight into the diversity of polymers obtained directly from, or derived from, renewable resources. The beneficial aspects of utilizing polymers from renewable resources, when considering synthesis, pro cessing, disposal, biodegradability, and overall material life-cycle issues, suggests that this will continue to be an important and growing area of interest. The individual chapters provide information on synthesis, processing and properties for a variety of polyamides, polysaccharides, polyesters and polyphenols. The reader will have a single volume that provides a resource from which to gain initial insights into this diverse field and from which key references and contacts can be drawn. Aspects of biology, biotechnology, polymer synthesis, polymer processing and engineering, mechanical properties and biophysics are addressed to varying degrees for the specific biopolymers. The volume can be used as a reference book or as a teaching text. At the more practical level, the range of important materials derived from renewable resources is both extensive and impressive. Gels, additives, fibers, coatings and films are generated from a variety of the biopolymers reviewed in this volume. These polymers are used in commodity materials in our everyday lives, as well as in specialty products.
Download or read book Biomaterials written by S.V. Bhat and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 273 pages. Available in PDF, EPUB and Kindle. Book excerpt: As biomaterials are used in medical devices, meeting needs in such diverse surgical disciplines as ophthalmology, cardiology, neuromuscular surgery, orthopaedics, dentistry, etc., they must have intimate contact with patient's tissue or body fluids, providing a real physical interface which seriously restricts developments. This book is written for those who would like to advance their knowledge of biomaterials. The subject matter of the book is divided into twelve chapters dealing with the structure and relationship of biological and man-made biomaterials. The application of these materials for various medical devices, and recent developments in tissue engineering, are also discussed.
Download or read book Chemical Synergies written by Nuno A.G. Bandeira and published by Walter de Gruyter GmbH & Co KG. This book was released on 2018-05-07 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gives an overview of recent integrated and inter-disciplinary approaches between chemical experiment and theory in a variety of fields, from polymer science to materials chemistry and ranging from the design of tailored properties to catalysis and reactivity, building on the well-established success of Density Functional Theory as the foremost quantum chemical method to provide qualitative and quantitative interpretation of results from the chemical laboratory. The combination of several characterization techniques with an understanding at the molecular level of chemical and physical phenomena are the main focal point of the subject matter.
Download or read book Polyelectrolytes written by Visakh P. M. and published by Springer. This book was released on 2014-09-03 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book offers a valuable reference source to graduate and post graduate students, engineering students, research scholars polymer engineers from industry. The book provides the reader with current developments of theoretical models describing the thermodynamics polyelectrolytes as well as experimental findings. A particular emphasis is put on the rheological description of polyelectrolyte solutions and hydrogels.
Download or read book Biochemistry and Oral Biology written by A. S. Cole and published by Butterworth-Heinemann. This book was released on 2014-06-28 with total page 570 pages. Available in PDF, EPUB and Kindle. Book excerpt: Biochemistry and Oral Biology presents a unique exposition of biochemistry suitable for dental students. It discusses the structural basis of metabolism and the general principles of nutrition. It addresses the soft tissues, hard tissues, and the biology of the mouth. Some of the topics covered in the book are the free radical production; scope of biochemistry; characteristics of atoms; structure and properties of water; molecular building materials; ionization of proteins; affinity chromatography of proteins; structural organization of globular proteins; classification of enzymes; and biochemically important sugar derivatives. The naturally occurring fatty acids are fully covered. The nucleic acid components are discussed in detail. The text describes in depth the energy equivalents of different nutrients. The physiological effects of dietary fiber vitamin D deficiency are completely presented. A chapter is devoted to the alternative methods of fluoride administration and description of vitamins. The book can provide useful information to dental students, and researchers.
Download or read book Nanostructured Thin Films and Surfaces written by and published by John Wiley & Sons. This book was released on 2010-03-08 with total page 453 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book series Nanomaterials for the Life Sciences, provides an in-depth overview of all nanomaterial types and their uses in the life sciences. Each volume is dedicated to a specific material class and covers fundamentals, synthesis and characterization strategies, structure-property relationships and biomedical applications. The series brings nanomaterials to the Life Scientists and life science to the Materials Scientists so that synergies are seen and developed to the fullest. Written by international experts of various facets of this exciting field of research, the series is aimed at scientists of the following disciplines: biology, chemistry, materials science, physics, bioengineering, and medicine, together with cell biology, biomedical engineering, pharmaceutical chemistry, and toxicology, both in academia and fundamental research as well as in pharmaceutical companies. VOLUME 5 - Nanostructured Thin Films and Surfaces
Download or read book Excipient Development for Pharmaceutical Biotechnology and Drug Delivery Systems written by Ashok Katdare and published by CRC Press. This book was released on 2006-07-28 with total page 474 pages. Available in PDF, EPUB and Kindle. Book excerpt: To facilitate the development of novel drug delivery systems and biotechnology-oriented drugs, the need for new, yet to be developed, and approved excipients continues to increase. Excipient Development for Pharmaceutical, Biotechnology, and Drug Delivery Systems serves as a comprehensive source to improve understanding of excipients and forge potential new avenues for regulatory approval. This book presents detailed, up-to-date information on various aspects of excipient development, testing, and technological considerations for their use. It addresses specific details such as historical perspective, preclinical testing, safety, and toxicology evaluation, as well as regulatory, quality, and utility aspects. The text also describes best practices for use of various functional excipients and extensive literature references for all topics.
