Singlet Oxygen Detection And Imaging

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Singlet Oxygen Detection And Imaging

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Author : Steffen Hackbarth
language : en
Publisher: Springer
Release Date : 2021-03-23

Singlet Oxygen Detection And Imaging written by Steffen Hackbarth and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-03-23 with Science categories.

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.

Reactive Oxygen Species Advances In Research And Application 2013 Edition

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Author :
language : en
Publisher: ScholarlyEditions
Release Date : 2013-05-01

Reactive Oxygen Species Advances In Research And Application 2013 Edition written by and has been published by ScholarlyEditions this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-05-01 with Science categories.

Reactive Oxygen Species—Advances in Research and Application: 2013 Edition is a ScholarlyEditions™ book that delivers timely, authoritative, and comprehensive information about Superoxides. The editors have built Reactive Oxygen Species—Advances in Research and Application: 2013 Edition on the vast information databases of ScholarlyNews.™ You can expect the information about Superoxides in this book to be deeper than what you can access anywhere else, as well as consistently reliable, authoritative, informed, and relevant. The content of Reactive Oxygen Species—Advances in Research and Application: 2013 Edition has been produced by the world’s leading scientists, engineers, analysts, research institutions, and companies. All of the content is from peer-reviewed sources, and all of it is written, assembled, and edited by the editors at ScholarlyEditions™ and available exclusively from us. You now have a source you can cite with authority, confidence, and credibility. More information is available at http://www.ScholarlyEditions.com/.

Plant Image Analysis

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Author : S Dutta Gupta
language : en
Publisher: CRC Press
Release Date : 2014-09-17

Plant Image Analysis written by S Dutta Gupta and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-09-17 with Science categories.

The application of imaging techniques in plant and agricultural sciences had previously been confined to images obtained through remote sensing techniques. Technological advancements now allow image analysis for the nondestructive and objective evaluation of biological objects. This has opened a new window in the field of plant science. Plant Image Analysis: Fundamentals and Applications introduces the basic concepts of image analysis and discusses various techniques in plant imaging, their applications, and future potential. Several types of imaging techniques are discussed including RGB, hyperspectral, thermal, PRI, chlorophyll fluorescence, ROS, and chromosome imaging. The book also covers the use of these techniques in assessing plant growth, early detection of disease and stress, fruit crop yield, plant chromosome analysis, plant phenotyping, and nutrient status both in vivo and in vitro. The book is an authoritative guide for researchers and those teaching in the fields of stress physiology, precision agriculture, agricultural biotechnology, and cell and developmental biology. Graduate students and professionals using machine vision in plant science will also benefit from this comprehensive resource.

Optical Methods For Tumor Treatment And Detection

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Author :
language : en
Publisher:
Release Date : 2007

Optical Methods For Tumor Treatment And Detection written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Cancer categories.

Quenched Phosphorescence Detection Of Molecular Oxygen

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Author : Dmitri B Papkovsky
language : en
Publisher: Royal Society of Chemistry
Release Date : 2018-05-25

Quenched Phosphorescence Detection Of Molecular Oxygen written by Dmitri B Papkovsky and has been published by Royal Society of Chemistry this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-05-25 with Science categories.

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.

Fluorescent Chemosensing And Bioimaging

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Author : Suban K. Sahoo
language : en
Publisher: CRC Press
Release Date : 2024-12-30

Fluorescent Chemosensing And Bioimaging written by Suban K. Sahoo and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-12-30 with Science categories.

Fluorescent Chemosensing and Bioimaging provides detailed information on fluorescent chemosensor design strategies, sensing mechanisms, and potential applications. Fluorescent chemosensors are widely employed for the detection of environmentally and/or biologically important species because of their advantages of low cost, simplicity, high sensitivity, real-time monitoring, versatility, and high temporal and spatial resolution. Starting from the fundamentals of fluorescence spectroscopy and theoretical aspects of designing fluorescent chemosensors, this book has several chapters contributed by internationally renowned researchers on various fluorophores/mechanisms employed in fluorescent chemosensors design, including their potential applications in sensing and bioimaging. The book offers comprehensive coverage of the most essential topics, including: Basics of fluorescence spectroscopy Design of fluorescent chemosensors Sensing mechanisms Chemodosimeters for metal ions and anions Fluorescent chemosensor arrays Fluorescent molecular logic gates Probes detecting bacteria and biomolecules Fluorescent indicator displacement assays Sensing with covalent-organic frameworks Probes detecting small molecules in the gas phase Two-photon fluorescent chemosensors Bioimaging applications This book serves as a reference book for scientific investigators involved in fluorescence-based analytical work. It is an ideal companion for students (undergraduate, graduate, and postgraduate), researchers, and faculty in academia interested in fluorescent chemosensing and bioimaging. Fluorescence industry professionals interested in bioimaging and/or fabricating fluorescent-based devices can also refer to this book.

Singlet Oxygen

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Author : Santi Nonell
language : en
Publisher: Royal Society of Chemistry
Release Date : 2016-01-27

Singlet Oxygen written by Santi Nonell and has been published by Royal Society of Chemistry this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-01-27 with Science categories.

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.

The Bh Tcspc Handbook

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Author : Dr. Wolfgang Becker
language : en
Publisher: Becker & Hickl GmbH
Release Date : 2021-09-01

The Bh Tcspc Handbook written by Dr. Wolfgang Becker and has been published by Becker & Hickl GmbH this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-09-01 with Science categories.

Time-Correlated Single Photon Counting Modules SPC-130EMN, SPC-130EMNX, SPC-130IN, SPC-130INX, SPC-150N, SPC-150NX, SPC-150NXX, SPC-160, SPC-160PCIE, SPC-180N, SPC-180NX, SPC-180NXX Detectors, Lasers and Peripheral Devices Simple-Tau Systems Technical Principles TCSPC Applications FLIM Systems Applications in Life Sciences Clinical FLIM Applications SPCM Software SPCImage NG Data Analysis Software Time-correlated single photon counting (TCSPC) is an amazingly sensitive technique for recording low-level light signals with picosecond resolution and extremely high precision.TCSPC originates from the measurement of excited nuclear states and has been used since the late 60s [775, 1250]. For many years TCSPC was used primarily to record fluorescence decay curves of organic dyes in solution. Due to the low intensity and low repetition rate of the light sources and the limited speed of the electronics of the 70s and 80s the acquisition times were extremely long. More important, classic TCSPC was intrinsically one-dimensional, i.e. limited to the recording of the waveform of a periodic light signal. Light sources ceased to be a limitation when the first mode-locked Argon lasers and synchronously pumped dye lasers were introduced. For the recording electronics, the situation changed with the introduction of the SPC-300 modules of Becker & Hickl in 1993. Due to a new analog-to-digital conversion principle these modules could be used at photon count rates almost 100 times higher than the classic TCSPC devices. Moreover, the modules were able to record the photons of a large number of detectors simultaneously. They were thus able to record a photon distribution not only versus the time in a fluorescence decay but also versus aspatial coordinate or the wavelength of the photons. Multi-dimensional TCSPC was born. Within a few years, more dimensions were added to multidimensional TCSPC. Fast sequential recording was introduced with the SPC-430 in 1995, fast scanning with the SPC-535 in 1997. Time-tag recording was introduced with the SPC-431 in 1996; multi-module TCSPC systems followed in 1999. Since then, the Becker & Hickl TCSPC systems became bigger, faster and more flexible. Recent TCSPC modules, like the SPC-150NX or the SPC-180, can be configured for sequential recording, imaging, or time-tag recording by a simple software command. Multi-module systems, like the SPC-134EM and SPC-154, can be used for scanning at unprecedented count rates and acquisition speeds. Nevertheless, TCSPC still has the reputation to be an extremely sluggish technique unable to record any fast changes in the fluorescence or scattering behaviour of a sample. The multidimensional features of modern TCSPC are not commonly understood. Thus, many users do not make efficient use of their SPC modules. However, if appropriately used, multidimensional TCSPC techniques not only deliver superior results but also solve highly sophisticated measurement problems. This handbook is an attempt to help existing and potential users understand and make use of the advanced features of modern TCSPC. After an introduction into the bh TCSPC devices and associated detector, laser, and experiment control modules the principles of advanced TCSPC techniques are described. These include multidetector TCSPC, multiplexed TCSPC, sequential recording techniques, scanning techniques, parameter-tag recording, and multi-module TCSPC techniques. The next chapter describes the architecture of the bh SPC modules. A chapter about detectors gives a review of detector principles and of the parameters used to characterise detectors. It describes a number of detectors commonly used for TCSPC and gives advice about obtaining best performance from them. The implementation of bh SPC devices is described in the next part of the handbook. It includes principles and wiring diagrams for typical experiments, guidelines for first system setup, and advice for system optimisation. It describes dead-time, counting loss, and pile-up effects, detector effects, and effects related to the optical system. The next chapter of the handbook is dedicated to TCSPC applications. The first part of this chapter describes the measurement of fluorescence and anisotropy decay curves, multispectral lifetime experiments, recording of transient fluorescence lifetime phenomena, and measurements of phosphorescence decay curves. The second part of the chapter is dedicated to time-resolved laser scanning microscopy. It contains sections on a wide variety of fluorescence-lifetime imaging (FLIM) experiments and procedures, such as FLIM with various excitation principles, excitation sources, and detection principles, high-speed and time-series FLIM, Z-stack FLIM, simultaneous fluorescence and phosphorescence lifetime imaging (FLIM/PLIM), fluorescence lifetime-transient scanning (FLITS), and FLIM with special microscope configurations. A third part contains FLIM background knowledge: Signal-to-noise ratio, acquisition time, the effect of counting loss and pile-up, photobleaching, and fluorescence depolarisation on the recorded data. The book contains a large chapter on TCSPC applications, most of them in Biology. It contains sections on FLIM of molecular environment parameters in tissue, FLIM-based FRET measurements in cells, autofluorescence FLIM of biological tissue, plant physiology, and clinical FLIM applications. A section about diffuse optical tomography (DOT) by NIRS techniques includes breast imaging, static and functional brain imaging, perfusion measurement in the human brain, diffuse tissue spectroscopy, and small-animal imaging. Picosecond photon correlation, fluorescence correlation spectroscopy, burst-integrated fluorescence lifetime techniques, and photon counting histogram techniques are reviewed in the next sections. The last part of the application chapter gives an review of non-biological TCSPC applications like positron lifetime measurement, measurement of barrier discharges, remote sensing, metrological applications, and characterisation of detectors. The application chapter also includes practical hints about optical systems, detectors, and other technical aspects of the applications described. Another large chapter describes the SPCM operating software of the bh SPC modules. It describes the various user interface configurations, operation modes, the system and control parameters, the handling and display of the multidimensional data recorded by the modules, and the associated data file structure. The TCSPC Handbook also contains a chapter on the SPCImage NG fluorescence decay and FLIM data analysis software. It describes the general principles of fluorescence decay analysis, the calculation of fluorescence decay parameters and lifetime images by various decay models, pseudo-global analysis, multi-wavelength FLIM analysis, batch-processing of FLIM series, and analysis of PLIM data. The handbook ends with a list of more than 1200 references related to TCSPC, most of them being applications of the bh SPC devices.

Small Organic Molecules Based Fluorescent Biosensors And Their Applications

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Author : Abha Sharma
language : en
Publisher: CRC Press
Release Date : 2025-08-04

Small Organic Molecules Based Fluorescent Biosensors And Their Applications written by Abha Sharma and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-08-04 with Science categories.

This book provides an overview of organic molecule-based fluorescent compounds and their applications as sensors and biosensors. The initial chapter introduces fundamental fluorescence concepts and their significance in biosensing. The book, in turn, details the synthesis of various scaffolds including xanthene, BODIPY, julolidine, cyanine, quinoline, phenanthiridine, acridine, rhodamine, benzothiazole, coumarin, perylene, and carbazole. The subsequent section covers the use of these organic fluorescent molecules in sensing proteins and DNA through selective binding, ion indicators for real-time tracking, and receptor-specific ligands for interaction studies. It also explores cellular component visualization using organelle markers and membrane probes. Additionally, the book delves into the application of fluorescent organic molecules for sensing lipids, carbohydrates, and other biological molecules, fostering interdisciplinary understanding. Addressing environmental concerns, the book highlights the use of fluorescent probes for analyte analysis, providing insights into pollution monitoring and water quality assessment. This book is useful for researchers, students, and professionals seeking to understand and harness the potential of these innovative biosensing technologies. Key features Provides a comprehensive overview of the synthesis and development of organic molecule-based fluorescent compounds Presents applications of organic molecule-based fluorescent compounds in various aspects of biological and environmental analysis Discusses the applications of fluorescent compounds in sensing of lipids, carbohydrates, and other biological molecules Reviews the role of fluorescent probes in monitoring pollution and assessment of water quality Examines the role of biosensors as ion indicators for real-time tracking, and receptor-specific ligands for interaction studies Explores cellular component visualization using organelle markers and membrane probes

Nanotechnology Characterization Tools For Biosensing And Medical Diagnosis

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Author : Challa S.S.R. Kumar
language : en
Publisher: Springer
Release Date : 2018-05-02

Nanotechnology Characterization Tools For Biosensing And Medical Diagnosis written by Challa S.S.R. Kumar and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-05-02 with Technology & Engineering categories.

Eighth volume of a 40 volume series on nanoscience and nanotechnology, edited by the renowned scientist Challa S.S.R. Kumar. This handbook gives a comprehensive overview about Nanotechnology Characterization Tools for Biosensing and Medical Diagnosis. Modern applications and state-of-the-art techniques are covered and make this volume an essential reading for research scientists in academia and industry.