Molecular Photoswitches

Molecular Photoswitches PDF Author: Zbigniew L. Pianowski
Publisher: John Wiley & Sons
ISBN: 3527827617
Category : Science
Languages : en
Pages : 1577

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Book Description
A comprehensive overview about the emerging field of photoswitches and their applications in materials science and biology Molecular Photoswitches guides the reader through the basic molecular structures of photochromic compounds and their applications in the area of photoresponsive materials as well as in the biological context. The initial chapters describe individual classes of molecular photoswitches, introducing their principles of photochromism, typical switching wavelengths, thermal stability of photoisomers and other key information, which is ordinarily spread in the literature. These classes comprise i.a. azobenzenes, diazocines, arylazoheterocycles, arylhydrazones, indigoids, photochromic imines, or acylhydrazones. The book also covers: Catalysis with molecular switches Applications in photochromic porous materials, liquid crystals, or nanoparticles Light-responsive molecular machines, logic devices, and molecular magnets Photomodulation of biological systems: photoswitchable biopolymers, lightmodulated antibiotics, cytotoxins, ion channel inhibitors, light-propelled artificial muscles, and computationally designed photochromic proteins This two-volume work is a valuable guide for researchers and non-experts working in the field of photochemistry, organic chemistry, catalysis, materials science, biology, and medicine.

Diarylethene Molecular Photoswitches

Diarylethene Molecular Photoswitches PDF Author: Masahiro Irie
Publisher: John Wiley & Sons
ISBN: 3527346422
Category : Science
Languages : en
Pages : 239

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Book Description
A comprehensive review to the synthesis, properties, and applications of diarylethene-based molecular photoswitches Diarylethene Molecular Photoswitches: Concept and Functionalities provides the fundamental concepts of molecular photoswitches and includes information on how the bistable photoswitches of diarylethenes modulate the functions of materials and biological activities. Written by Masahiro Irie (the inventor of photochromic diarylethene compound), the book explores the reaction mechanism, photoswitching performance, photoswitchable crystals, and the myriad applications of diarylethenes based photoswitches. This book offers academics, chemists, and engineers an essential resource for understanding the molecular photoswitches and provides a guide to the development of new photoresponsive materials. The author explores the applications based on diarylethene and its dirivatives to Field-Effect Transistors, Metal-Organic Frameworks including nanoparticles, super-resolution fluorescence microscopies, drug release, and self-healing materials. This important book: * Offers a guide to diarylethene derivatives, the most widely studied compounds worldwide among the photochromic compounds * Includes the basic concepts of molecular photoswitches * Explores the myraid applications grounded in diarylethene and its derivatives * Presents an authortative text from the inventor of the photochromic diarylethene compound Written for materials scientists, organic, polymer, and physical chemists, and electronics engineers, Diarylethene Molecular Photoswitches offers an introduction to the topic and includes recent developments in the field.

Diarylethene Molecular Photoswitches

Diarylethene Molecular Photoswitches PDF Author: Masahiro Irie
Publisher: John Wiley & Sons
ISBN: 3527346406
Category : Science
Languages : en
Pages : 242

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Book Description
A comprehensive review to the synthesis, properties, and applications of diarylethene-based molecular photoswitches Diarylethene Molecular Photoswitches: Concept and Functionalities provides the fundamental concepts of molecular photoswitches and includes information on how the bistable photoswitches of diarylethenes modulate the functions of materials and biological activities. Written by Masahiro Irie (the inventor of photochromic diarylethene compound), the book explores the reaction mechanism, photoswitching performance, photoswitchable crystals, and the myriad applications of diarylethenes based photoswitches. This book offers academics, chemists, and engineers an essential resource for understanding the molecular photoswitches and provides a guide to the development of new photoresponsive materials. The author explores the applications based on diarylethene and its dirivatives to Field-Effect Transistors, Metal-Organic Frameworks including nanoparticles, super-resolution fluorescence microscopies, drug release, and self-healing materials. This important book: * Offers a guide to diarylethene derivatives, the most widely studied compounds worldwide among the photochromic compounds * Includes the basic concepts of molecular photoswitches * Explores the myraid applications grounded in diarylethene and its derivatives * Presents an authortative text from the inventor of the photochromic diarylethene compound Written for materials scientists, organic, polymer, and physical chemists, and electronics engineers, Diarylethene Molecular Photoswitches offers an introduction to the topic and includes recent developments in the field.

Photoactive Functional Soft Materials

Photoactive Functional Soft Materials PDF Author: Quan Li
Publisher: John Wiley & Sons
ISBN: 3527344829
Category : Technology & Engineering
Languages : en
Pages : 496

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Book Description
This book covers the design, synthesis, properties, and applications of functional photoactive soft materials, including aspects of polymers, block copolymers, elastomers, biomaterials, liquid crystals, chemical and physical gels, colloids, and host-guest systems. It combines, in a unified manner, authoritative accounts describing various structural and functional aspects of photoactive soft materials. Photoactive Functional Soft Materials: Preparation, Properties, and Applications: * Brings together the state-of-the-art knowledge on photoactive functional soft materials in a unified manner * Covers a vibrant research field with tremendous application potential in areas such as optoelectronics, photonics, and energy generation * Appeals to a large interdisciplinary audience because it is highly useful for researchers and engineers working on photonics, optoelectronics, imaging and sensing, nanotechnology, and energy materials Photoactive Functional Soft Materials: Preparation, Properties and Applications focuses on the design and fabrication of photoactive functional soft materials for materials science, nanophotonics, nanotechnology, and biomedical applications.

Biocompatible Photochromic Diketopiperazine-based Supramolecular Hydrogelator Systems

Biocompatible Photochromic Diketopiperazine-based Supramolecular Hydrogelator Systems PDF Author: Anna-Lena Leistner
Publisher: Logos Verlag Berlin GmbH
ISBN: 3832557075
Category :
Languages : en
Pages : 366

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Book Description
In the course of the last twenty years, the research interest in 'photochemical switches' highly increased. They react on light, which can be controlled with excellent spatiotemporal precision, yet it is orthogonal towards most elements of chemical and biochemical systems. Therefore, light is an attractive trigger to control or study biological function or functional materials. In this work, the excellent properties of azobenzene photoswitches were combined with the cyclic dipeptide structural motif, resulting in phototriggered supramolecular low-molecular-weight gelators (LMWGs). Hydrogels are soft materials, which often find application in biomedical context and can be formed by self-assembly of LMWGs. They classify by their self-healing properties, thixotropy, on-demand reversibility and stimuli responsiveness, for example to light. The photoswitches inside photochromic hydrogels react in spatiotemporal precision to light irradiation and are excellent candidates for photo-controlled drug release. The versatility of azobenzene containing DKP-Lys hydrogelators was demonstrated in this thesis.

Progress in Photon Science

Progress in Photon Science PDF Author: Kaoru Yamanouchi
Publisher: Springer
ISBN: 303005974X
Category : Science
Languages : en
Pages : 521

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Book Description
This second volume of “Progress in Photon Science – Recent Advances” presents the latest achievements made by world-leading researchers in Russia and Japan. Thanks to recent advances in light source technologies; detection techniques for photons, electrons, and charged particles; and imaging technologies, the frontiers of photon science are now being expanding rapidly. Readers will be introduced to the latest research efforts in this rapidly growing research field through topics covering bioimaging and biological photochemistry, atomic and molecular phenomena in laser fields, laser–plasma interaction, advanced spectroscopy, electron scattering in laser fields, photochemistry on novel materials, solid-state spectroscopy, photoexcitation dynamics of nanostructures and clusters, and light propagation.

Photochemistry

Photochemistry PDF Author: Stefano Protti
Publisher: Royal Society of Chemistry
ISBN: 1839162112
Category : Science
Languages : en
Pages : 495

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Book Description
This volume combines reviews on the latest advances in photochemical research with specific topical highlights in the field. Starting with periodical reports of the recent literature on organic and computational aspects including reports on computational photochemistry and chemiluminescence of biological and nanotechnological molecules, photochemistry of alkenes, dienes and polyenes, aromatic compounds and oxygen-containing functions. The final chapter of this section is a review of industrial application of photochemistry from 2014 to 2019. Coverage continues with highlighted topics, in the second part, from ruthenium-caged bioactive compounds, advances in logically and light induced systems, developments of metal-free photocatalysts, photoresponsive organophosphorus materials and applications of photo-fragmentation in synthesis, photo-click chemistry and azo-based molecular photoswitches. This volume will again include a section entitled ‘SPR Lectures on Photochemistry’, a collection of examples for academic readers to introduce a photochemistry topic and precious help for students in photochemistry. Providing critical analysis of the topics, this book is essential reading for anyone wanting to keep up to date with the literature on photochemistry and its applications. "A certain amount of energy destroys the same amount of CO2 according to the whether it is administered continuously or intermittently. In order to rationalize this result there are two possibilities, either the destruction of CO2 further occurred in the dark periods, which would lead to the same form of energy storing form, or in the illuminated period the reaction goes at twice the rate." O. Warburg, Biochem. Z., 1919, 100, 230–270.

Circadian Clocks

Circadian Clocks PDF Author: Tsuyoshi Hirota
Publisher: Springer Nature
ISBN: 1071625772
Category : Medical
Languages : en
Pages : 432

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Book Description
This volume provides backgrounds, methods, and troubleshooting for the analysis of circadian rhythms at the molecular, cellular, and organismal levels in vertebrates and invertebrates, and also covers light input, sleep, circalunar rhythms, and seasonal rhythms. The chapters in this book discuss behavioral and biological testing, histochemistry, single-cell imaging, electrophysiology, photochemistry, genetics, genomics, transcriptomics, proteomics, metabolomics, systems biology, chemical biology, and mathematical modeling. In the Neuromethods series style, chapters include experimental detail and key advice from the specialists needed to successfully carry out these methods in your laboratory. Cutting-edge and practical, Circadian Clocks is a valuable resource for all researchers seeking to learn about established and novel methods in chronobiology, and the molecular mechanisms of the rhythmic control of physiology and behavior.

Hominatio

Hominatio PDF Author: M. Volkan Kisakürek
Publisher: John Wiley & Sons
ISBN: 9783906390277
Category : Science
Languages : en
Pages : 1010

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Book Description
The historical achievements in organic natural product synthesis can be recognized most clearly in the research accomplishments of Albert Eschenmoser. For example, his work on the chemical synthesis of vitamin B12 defined the frontier in organic natural product synthesis and profoundly influenced the science of organic chemistry. In addition to revealing the beautiful reaction pathways leading to compounds of great biochemical significance, Albert Eschenmoser has contributed innovative methods of outstanding utility for organic synthesis. Few individuals have so fundamentally influenced the science of organic chemistry as Albert Eschenmoser has. Over the years, a sizable fraction of Albert Eschenmoser′s work has been published in Helvetica Chimica Acta, hence the decision of the Editor to produce a special issue of the journal on the occasion of Albert Eschenmoser′s 75th birthday, celebrated on August 5, 2000. The highly impressive set of 67 original research papers submitted in response to the Editor′s invitation could not, for obvious technical reasons, be accommodated in a single issue and were thus divided over the August and September issues. The international reaction to this tribute has been so overwhelmingly enthusiastic that the two issues have been combined in this single volume for separate publication.

Photochemistry

Photochemistry PDF Author: Angelo Albini
Publisher: Royal Society of Chemistry
ISBN: 1788016521
Category : Science
Languages : en
Pages : 547

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Book Description
Drawing on the continued wealth of photochemical research, this volume combines reviews on the latest advances in the field with specific topical highlights. Starting with periodical reports of the recent literature on physical and inorganic aspects, light induced reactions in cryogenic matrices, properties of transition-metal compounds, time-resolved spectroscopy, the exploitation of solar energy and the molecules of colour. Coverage continues with highlighted topics, in the second part, from photoresponsive hydrogels, the tunable photoredox properties of organic dyes, light-driven asymmetric organocatalytic processes, dual gold–photoredox catalysis, the preparation and characterization of photosensitizers for triplet–triplet annihilation photon upconversion and the role of photochemistry on traditional synthetic processes. This volume will include for the first time a section entitled ‘SPR Lectures on Photochemistry’, providing examples for academic readers to introduce a photochemistry topic and precious help for students in photochemistry. Providing critical analysis of the topics, this book is essential reading for anyone wanting to keep up to date with the literature on photochemistry and its applications.