Conjugated Polyelectrolytes Synthesis And Applications
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| Total Pages | : 0 |
| Release | : 2002 |
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Conjugated polyelectrolytes are conjugated polymers that feature ionic side groups which render the materials soluble in water and other polar solvents. In this review we summarize recent work which has been carried out to synthesize a variety of new conjugated polyelectrolyte structures, including those with poly(paraphenylene), poly(phenylene vinylene) and poly(phenylene ethynylene) backbone structures. Work that has examined the optical, photophysical and solution properties of these materials is also reviewed. Finally, a brief survey of novel applications of conjugated polyelectrolytes to the fabrication of optoelectronic devices and fluorescent sensors is provided.
| Author | : Bin Liu |
| Publisher | : John Wiley & Sons |
| Total Pages | : 448 |
| Release | : 2013-08-07 |
| Genre | : Technology & Engineering |
| ISBN | : 3527655727 |
This is the first monograph to specifically focus on fundamentals and applications of polyelectrolytes, a class of molecules that gained substantial interest due to their unique combination of properties. Combining both features of organic semiconductors and polyelectrolytes, they offer a broad field for fundamental research as well as applications to analytical chemistry, optical imaging, and opto-electronic devices. The initial chapters introduce readers to the synthesis, optical and electrical properties of various conjugated polyelectrolytes. This is followed by chapters on the applications of these materials in optical sensing and imaging with emphasis on biological systems, while the final section addresses the emerging applications of conjugated polyelectrolytes in optoelectronic devices, concluding with an in-depth discussion of structure-property relationship. The editors and contributors are all pioneers and experts in this expanding field. This monograph is not only for chemists, materials scientists, and physicists, but also a unique source of knowledge for readers with scientific background interested in polyelectrolytes.
| Author | : Shu Wang |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 91 |
| Release | : 2013-09-25 |
| Genre | : Technology & Engineering |
| ISBN | : 3642405401 |
Functionalized Conjugated Polyelectrolytes presents a comprehensive review of these polyelectrolytes and their biomedical applications. Basic aspects like molecular design and optoelectronic properties are covered in the first chapter. Emphasis is placed on the various applications including sensing (chemical and biological), disease diagnosis, cell imaging, drug/gene delivery and disease treatment. This book explores a multi-disciplinary topic of interest to researchers working in the fields of chemistry, materials, biology and medicine. It also offers an integrated perspective on both basic research and application issues. Functionalized conjugated polyelectrolyte materials, which have already drawn considerable interest, will become a major new direction for biomedicine development.
| Author | : Eunkyung Ji |
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| Total Pages | : |
| Release | : 2009 |
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Third, a series of cationic CPEs with quaternary ammonium side groups has been synthesized and examined their biocidal activity. The photophysical studies in solution shows that direct excitation of the polymers produces a triplet state, sensitizing effectively singlet oxygen generation. Therefore, the polymer effectively kills bacteria such as Cobetia marina and Pseudomonas aeruginosa. Finally, a series of new conjugated polyampholytes containing both anionic and cationic side groups has successfully synthesized. These polymers show different behavior depending on the nature of ionic groups, the ratio of anionic to cationic groups, and pH. The polymer with 1:1 ratio of ammonium to sulfonate groups shows very low solubility in water and organic solvents; however, when the ratio is smaller, the polymers behave like CPEs. The polyampholyte bearing carboxyl and ammonium side groups shows pH- dependent photophysical changes.
| Author | : Sireesha Chemburu |
| Publisher | : |
| Total Pages | : 330 |
| Release | : 2008 |
| Genre | : Anti-infective agents |
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| Author | : John R. Reynolds |
| Publisher | : CRC Press |
| Total Pages | : 676 |
| Release | : 2019-03-27 |
| Genre | : Technology & Engineering |
| ISBN | : 1351659804 |
The Fourth Edition of the Handbook of Conducting Polymers, Two-Volume Set continues to be the definitive resource on the topic of conducting polymers. Completely updated with an extensive list of authors that draws on past and new contributors, the book takes into account the significant developments both in fundamental understanding and applications since publication of the previous edition. One of two volumes comprising the comprehensive Handbook, Conjugated Polymers: Perspective, Theory, and New Materials features new chapters on the fundamental theory and new materials involved in conducting polymers. It discusses the history of physics and chemistry of these materials and the theory behind them. Finally, it details polymer and materials chemistry including such topics as conjugated block copolymers, metal-containing conjugated polymers, and continuous flow processing. Aimed at researchers, advanced students, and industry professionals working in materials science and engineering, this book covers fundamentals, recent progress, and new materials involved in conducting polymers and includes a wide-ranging listing of comprehensive chapters authored by an international team of experts.
| Author | : Bin Liu |
| Publisher | : John Wiley & Sons |
| Total Pages | : 426 |
| Release | : 2018-06-11 |
| Genre | : Science |
| ISBN | : 3527342737 |
This first book to specifically focus on applications of conjugated polymers in the fields of biology and biomedicine covers materials science, physical principles, and nanotechnology. The editor and authors, all pioneers and experts with extensive research experience in the field, firstly introduce the synthesis and optical properties of various conjugated polymers, highlighting how to make organic soluble polymers compatible with the aqueous environment. This is followed by the application of these materials in optical sensing and imaging as well as the emerging applications in image-guided therapy and in the treatment of neurodegenerative diseases. The result is a consolidated overview for polymer chemists, materials scientists, biochemists, biotechnologists, and bioengineers.
| Author | : Xiaoyong Zhao |
| Publisher | : |
| Total Pages | : |
| Release | : 2007 |
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ABSTRACT: In this dissertation, we present the research that was focused on the design, synthesis and photophysical properties of conjugated polyelectrolytes (CPEs) based on poly(arylene ethynylene) (PAE). Applications of these materials for anion sensing and dye-sensitized solar cell (DSCs) were also explored. First, a meta-linked poly(phenylene ethynylene) featuring chiral anionic groups was designed and synthesized. Because of the presence of chiral side chains, the conjugated backbone of this polymer folds preferentially into a left-handed helix in water, as proven by absorption, fluorescence and circular dichroism spectroscopy. Similar to the helix formed by double-strand DNA, the helical conformation of the synthetic polymer interacts with a metallointercalator [Ru(bpy)2(dppz)]2 and turns on the emission from the complex. Cationic cyanine dyes can also bind to the helical conformation of the polymer in a "groove-binding" manner. A chiral and optically active aggregate of cyanine dyes is formed by transferring the chirality of the polymer template. Second, we have systematically investigated the photophysical properties of para-linked poly(phenylene ethynylene)s (PPEs). These CPEs are shown to undergo a solvent-driven.
| Author | : Xing-Hong Zhang |
| Publisher | : John Wiley & Sons |
| Total Pages | : 482 |
| Release | : 2021-03-23 |
| Genre | : Technology & Engineering |
| ISBN | : 3527823808 |
A must-have resource to the booming field of sulfur-containing polymers Sulfur-Containing Polymers is a state-of-the-art text that offers a synthesis of the various sulfur-containing polymers from low-cost sulfur resources such as elemental sulfur, carbon disulfide (CS2), carbonyl sulfide (COS) and mercaptan. With contributions from noted experts on the topic, the book presents an in-depth understanding of the mechanisms related to the synthesis of sulfur-containing polymers. The book also includes a review of the various types of sulfur-containing polymers, such as: poly(thioester)s, poly(thioether)s and poly(thiocarbonate)s and poly(thiourethane)s with linear or hyperbranched (dendrimer) architectures. The expert authors provide the fundamentals on the structure-property relationship and applications of sulfur-containing polymers. Designed to be beneficial for both research and application-oriented chemists and engineers, the book contains the most recent research and developments of sulfur-containing polymers. This important book: Offers the first comprehensive handbook on the topic Contains state-of-the-art research on synthesis of sulfur containing polymers from low-cost sulfur-containing compounds Examines the synthesis, mechanism, structure properties, and applications of various types of sulful-containing polymers Includes contributions from well-known experts Written for polymer chemists, materials scientists, chemists in industry, biochemists, and chemical engineers, Sulfur-Containing Polymers offers a groundbreaking text to the field with inforamtion on the most recent research.
| Author | : Abbas Kazmi |
| Publisher | : Royal Society of Chemistry |
| Total Pages | : 247 |
| Release | : 2013-10-09 |
| Genre | : Science |
| ISBN | : 1849737320 |
As the world’s population continues to grow so does the demand for food, and in consequence the amount of material left over from food production. No longer considered simply as "waste", many food co-products are being identified as economically-viable raw materials and their potential is enhanced by modern processing technologies and the biorefinery concept. This book presents a general overview of the current situation, with perspectives from within the food industry and policy makers in the introductory chapters. These are followed by five chapters exploring modern advanced processing techniques. Further chapters are dedicated to separate food groups, including cereals, oils, rice and fish, exploring the potential for making the best use of the co-products generated. Many of the processing technologies discussed will be familiar to students and practitioners of green chemistry, but the book goes further in presenting examples and case studies, written by active workers in the field from across the globe. Food technicians and process engineers will be amongst the researchers in academia and industry and postgraduate students this book is aimed for.
