Photophysical Detection Of Singlet Oxygen PDF Download
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| Author | : ARNAB MAITY |
| Publisher | : |
| Total Pages | : 0 |
| Release | : 2019 |
| Genre | : Science |
| ISBN | : |
Download Photophysical Detection of Singlet Oxygen Book in PDF, ePub and Kindle
The chemical reactivity of singlet oxygen (1O2) (SO) derives from its electronically excited state. Being a unique reactive oxygen species SO takes part in many important atmospheric, biological physical, chemical, and therapeutic process and attracted current research interest. To understand the mechanistic pathways in various process the detection and quantification of SO is very important. The direct method of detection is very challenging due to its highly reactive nature. Only direct method of determination of phosphorescence of SO at 1270¬†nm has been utilised but that also puts some limitation due to very low luminescence quantum yield. Indirect method using UV,ÄìVis spectrophotometric, fluorescent and chemiluminescent probes has been extensively studied for this purpose. Elucidation of various mechanistic processes improvised the use of sophisticated spectroscopic detection probe for SO have been discussed in a simple and lucid manner in this article through citation of literature examples. Four major spectroscopic methods i.e. spectrophotometry, fluorescence, emission and chemiluminescence are elaborately discussed with special emphasis to chemical probes having high selectivity and sensitivity for SO.
| Author | : Steffen Hackbarth |
| Publisher | : Springer Nature |
| Total Pages | : 85 |
| Release | : 2022-05-31 |
| Genre | : Science |
| ISBN | : 3031023919 |
Download Singlet Oxygen Detection and Imaging Book in PDF, ePub and Kindle
Singlet Oxygen, the lowest electronically excited state of molecular oxygen, is highly reactive and involved in many chemical and biological processes. It is one major mediator during photosensitization, which has been used by mankind since ancient times, even though the mechanisms behind it were understood only about half a century ago. The combination of high reactivity and very long natural lifetime allows for direct optical detection of singlet oxygen and its interactions using its characteristic phosphorescence at around 1270 nm. Since this emission is very weak, optical detection was technically very challenging for a long time. Therefore, even today, most laboratories only exploit the high reactivity to observe the interaction with sensor molecules, rather than singlet oxygen emission itself. However, in recent years highly sensitive optical detection was developed, the authors being major contributors. This book is dedicated to the detection of singlet oxygen, discussing possibilities, pitfalls and limits of the various methods with a special focus on time-resolved phosphorescence and the kinetics of singlet oxygen generation and decay including involved and related processes, discussing investigated systems with various complexity from solutions over in vitro to in vivo. The long-standing paradigm that singlet oxygen phosphorescence is a benchmark for detection systems rather than an option for process observation is still ubiquitous and this book hopes to contribute in overcoming this still prevailing bias.
| Author | : Santi Nonell |
| Publisher | : Royal Society of Chemistry |
| Total Pages | : 489 |
| Release | : 2016-01-27 |
| Genre | : Science |
| ISBN | : 1782622209 |
Download Singlet Oxygen Book in PDF, ePub and Kindle
Meeting the desire for a comprehensive book that collects and curates the vast amount of knowledge gained in the field of singlet oxygen, this title covers the physical, chemical and biological properties of this reactive oxygen species and also its increasingly important applications across chemical, environmental and biomedical areas.The editors have a long and distinguished background in the field of singlet oxygen chemistry and biomedical applications, giving them a unique insight and ensuring the contributions attain the highest scientific level.The book provides an up to date reference resource for both the beginner and experienced researcher and crucially for those working across disciplines such as photochemistry, photobiology and photomedicine.
| Author | : Santi Nonell |
| Publisher | : Royal Society of Chemistry |
| Total Pages | : 348 |
| Release | : 2016-01-27 |
| Genre | : Science |
| ISBN | : 1782626972 |
Download Singlet Oxygen Book in PDF, ePub and Kindle
Meeting the desire for a comprehensive book that collects and curates the vast amount of knowledge gained in the field of singlet oxygen, this title covers the physical, chemical and biological properties of this reactive oxygen species and also its increasingly important applications across chemical, environmental and biomedical areas.The editors have a long and distinguished background in the field of singlet oxygen chemistry and biomedical applications, giving them a unique insight and ensuring the contributions attain the highest scientific level.The book provides an up to date reference resource for both the beginner and experienced researcher and crucially for those working across disciplines such as photochemistry, photobiology and photomedicine.
| Author | : Dmitri B Papkovsky |
| Publisher | : Royal Society of Chemistry |
| Total Pages | : 384 |
| Release | : 2018-05-25 |
| Genre | : Science |
| ISBN | : 1788014553 |
Download Quenched-phosphorescence Detection of Molecular Oxygen Book in PDF, ePub and Kindle
Significant progress has been made in recent years in quenched-phosphorescence oxygen sensing, particularly in the materials and applications of this detection technology that are open to commercialization, like uses in brain imaging and food packaging. Prompted by this, the editors have delivered a dedicated book that brings together these developments, provides a comprehensive overview of the different detection methodologies, and representative examples and applications. This book is intended to attract new researchers from various disciplines such as chemistry, physics, biology and medicine, stimulate further progress in the field and assist in developing new applications. Providing a concise summary at the cutting edge, this practical guide for current experts and new potential users will increase awareness of this versatile sensing technology.
| Author | : |
| Publisher | : BoD – Books on Demand |
| Total Pages | : 328 |
| Release | : 2022-04-28 |
| Genre | : Science |
| ISBN | : 1839682817 |
Download Reactive Oxygen Species Book in PDF, ePub and Kindle
The term “reactive oxygen species” (ROS) refers to a group of reactive molecules and free radicals produced by molecular oxygen. In recent decades, there has been great interest in the role of ROS in various diseases. From basic science research to clinical trials, biomedical scientists have made rapid progress toward a better understanding of ROS-metabolizing systems and their role in health and diseases. This book includes sixteen chapters that address topics such as the history of ROS, its role in autoimmunity, neurodegeneration, and aging, and recent advances in various antioxidants and their therapeutic potential.
| Author | : Mark Thomas Jarvi |
| Publisher | : |
| Total Pages | : |
| Release | : 2012 |
| Genre | : |
| ISBN | : 9780494973660 |
Download Evaluation of Photophysical Methods for Photodynamic Therapy Dosimetry Book in PDF, ePub and Kindle
| Author | : Harm Anne Godfried Niederländer |
| Publisher | : |
| Total Pages | : 245 |
| Release | : 1994 |
| Genre | : |
| ISBN | : |
Download Chemiluminescence Detection in Liquid Chromatography Based on Photochemical On-line Production of Singlet Oxygen Book in PDF, ePub and Kindle
| Author | : Alvin A. Holder |
| Publisher | : John Wiley & Sons |
| Total Pages | : 344 |
| Release | : 2018-02-27 |
| Genre | : Science |
| ISBN | : 3527339574 |
Download Ruthenium Complexes Book in PDF, ePub and Kindle
Edited by a team of highly respected researchers combining their expertise in chemistry, physics, and medicine, this book focuses on the use of rutheniumcontaining complexes in artificial photosynthesis and medicine. Following a brief introduction to the basic coordination chemistry of ruthenium complexes and their synthesis in section one, as well as their photophysical and photochemical properties, the authors discuss in detail the major concepts of artificial photosynthesis and mechanisms of hydrogen production and water oxidation with ruthenium in section two. The third section of the text covers biological properties and important medical applications of ruthenium complexes as therapeutic agents or in diagnostic imaging. Aimed at stimulating research in this active field, this is an invaluable information source for researchers in academia, health research institutes and governmental departments working in the field of organometallic chemistry, green and sustainable chemistry as well as medicine/drug discovery, while equally serving as a useful reference also for scientists in industry.
| Author | : Stephen G Schulman |
| Publisher | : Elsevier |
| Total Pages | : 299 |
| Release | : 2017-05-17 |
| Genre | : Science |
| ISBN | : 1483160998 |
Download Fluorescence and Phosphorescence Spectroscopy Book in PDF, ePub and Kindle
Fluorescence and Phosphorescence Spectroscopy: Physicochemical Principles and Practice deals with the physicochemical principles and applications of fluorescence and phosphorescence spectroscopy in experimental biology and chemistry. Topics covered include the absorption of light by molecules; instrumentation for the measurement of fluorescence and phosphorescence; solvent and acidity effects on electronic spectra; and polarization of fluorescence and phosphorescence. Comprised of four chapters, this book begins with a discussion on photophysical processes in isolated molecules and molecules in solution, paying particular attention to thermal equilibration of electronically excited molecules, phototautomerism, and coordination by metal ions. The next chapter describes the instrumentation for measuring fluorescence and phosphorescence, which consists essentially of a light source to electronically excite the sample; a monochromator to separate the light of desired energy from the source; a sample compartment; a second monochromator to isolate the sample's fluorescence energy from the excitation energy; a photodetector to translate the fluorescent light into an electrical signal; and a readout system such as a galvanometer or a recorder, coupled with an amplifier to determine the intensity of fluorescent light that is emitted. The final chapter is devoted to various applications of fluorescence and phosphorescence spectroscopy, including the analysis of organic and inorganic compounds. This monograph is written primarily for analytical chemists and biological scientists.
