Application Of Nanomaterials In Chemical Sensors And Biosensors

Recent advances in nanotechnology has led the nanomaterials into the realm of sensing applications. This descriptive book utilizes a multi-disciplinary approach to provide extensive information about sensors and elucidates the impact of nanotechnology on development of chemical and biosensors for diversified applications. The main focus of this book is not only the inclusion of various research works, which have already been reported in literature, but also to make a potential conclusion about the mechanism behind this. This book will serve as an invaluable tool for both frontline researchers and academicians to work towards the future development of nanotechnology in sensing devices.

Recent progress in the synthesis of nanomaterials and our fundamental understanding of their properties has led to significant advances in nanomaterial-based gas, chemical and biological sensors. Leading experts around the world highlight the latest findings on a wide range of nanomaterials including nanoparticles, quantum dots, carbon nanotubes, molecularly imprinted nanostructures or plastibodies, nanometals, DNA-based structures, smart nanomaterials, nanoprobes, magnetic nanomaterials, organic molecules like phthalocyanines and porphyrins, and the most amazing novel nanomaterial, called graphene. Various sensing techniques such as nanoscaled electrochemical detection, functional nanomaterial-amplified optical assays, colorimetry, fluorescence and electrochemiluminescence, as well as biomedical diagnosis applications, e.g. for cancer and bone disease, are thoroughly reviewed and explained in detail. This volume will provide an invaluable source of information for scientists working in the field of nanomaterial-based technology as well as for advanced students in analytical chemistry, biochemistry, electrochemistry, material science, micro- and nanotechnology.

Key features include: Self-assessment questions and exercises Chapters start with essential principles, then go on to address more advanced topics More than 1300 references to direct the reader to key literature and further reading Highly illustrated with 450 figures, including chemical structures and reactions, functioning principles, constructive details and response characteristics Chemical sensors are self-contained analytical devices that provide real-time information on chemical composition. A chemical sensor integrates two distinct functions: recognition and transduction. Such devices are widely used for a variety of applications, including clinical analysis, environment monitoring and monitoring of industrial processes. This text provides an up-to-date survey of chemical sensor science and technology, with a good balance between classical aspects and contemporary trends. Topics covered include: Structure and properties of recognition materials and reagents, including synthetic, biological and biomimetic materials, microorganisms and whole-cells Physicochemical basis of various transduction methods (electrical, thermal, electrochemical, optical, mechanical and acoustic wave-based) Auxiliary materials used e.g. synthetic and natural polymers, inorganic materials, semiconductors, carbon and metallic materials properties and applications of advanced materials (particularly nanomaterials) in the production of chemical sensors and biosensors Advanced manufacturing methods Sensors obtained by combining particular transduction and recognition methods Mathematical modeling of chemical sensor processes Suitable as a textbook for graduate and final year undergraduate students, and also for researchers in chemistry, biology, physics, physiology, pharmacology and electronic engineering, this bookis valuable to anyone interested in the field of chemical sensors and biosensors.

There is considerable interest in reliable and affordable sensor and detection systems. Recent concerns about environmental exposure to both biological and chemical agents have been critical to the development of new sensor and detector technologies. New materials are being developed to meet the challenges ahead. Smart nanomaterials appear to be a key solution to these challenges. This e-book summarizes current progress in sensor applications of smart nanomaterials. It should be a useful resource for materials scientists and readers interested in nanotechnology for biosensors.

Nowadays, the implementation of novel technological platforms in biosensor-based developments is primarily directed to the miniaturization of analytical systems and lowering the limits of detection. Rapid scientific and technological progress enables the application of biosensors for the online detection of minute concentrations of different chemical compounds in a wide selection of matrixes and monitoring extremely low levels of biomarkers even in living organisms and individual cells. This book, including 16 chapters, characterizes the present state of the art and prospective options for micro and nanoscale activities in biosensors construction and applications.

Nanomaterials for Sensing and Optoelectronic Applications explores recent trends in nanomaterials and devices for chemical and biosensing applications. The synthesis, properties and applications of metal oxide nanostructures, as well as two-dimensional layered materials are covered, along with the fabrication of optoelectronic devices, such as chemical sensors, biosensors, core-shell nanostructures-based surface-enhanced Raman spectroscopy (SERS) substrates, luminescent nanoparticles, memory devices, and thin film transistors. Aiming at researchers in these respective areas, the fundamental principles and mechanisms of the optoelectronic phenomena behind every application mentioned are covered and comprehensively explored. The book will be helpful in solving problems related to the synthesis and growth of various nanostructures, the application of these materials for various devices, and to understand how a specific synthesis route promotes a specific application. Outlines the fundamental principles and mechanisms behind chemical sensing, bio-sensing, thin film transistor devices, and memory devices Offers a detailed description on the synthesis of 2D materials and oxide nanostructures, with thin films included Assesses the major properties of nanomaterials that make them good sensing agents

As opposed to conventional electrochemical sensors, nanomaterials-based sensors are active and effective in their action with even a minute concentration of analyte. A number of research studies are bringing about an evolution in their development and advancement because of their unique and effective properties. Nanoscale electrochemical sensors have applications in almost every field of life including the detection of neurochemicals, heavy metals, energy components, body fluids, biological matrices, cancer relevant biomolecules, aromatic hydrocarbons, also in playing their role in food science because of their capability in providing quality control and safety. There is a need to develop these nanomaterials-based electrochemical sensors to be more widely available for accurate sensing of minute concentrations especially in the case of heavy metal detection, biofluids, and other biomaterials. This book outlines the major preparation, fabrication and manufacture of nanomaterials-based electrochemical sensors, as well as detailing their principle medical, environmental and industrial applications in an effort to meet this need.This book is a valuable reference source for materials scientists, engineers, electrochemists, environmental engineers and biomedical engineers who want to understand how nanomaterials-based electrochemical sensors are made, and how they are used. Explains the techniques used for the fabrication and manufacture of nanomaterials-based electrochemical sensors Discusses the major applications of nanomaterials-based electrochemical sensors in biomedicine and environmental science Assesses the potential toxicity and other challenges associated with using nanomaterials-based electrochemical sensors

This book provides detailed reviews of a range of nanostructures used in the construction of biosensors as well as the applications of these biosensor nanotechnologies in the biological, chemical, and environmental monitoring fields Biological sensing is a fundamental tool for understanding living systems, but also finds practical application in medicine, drug discovery, process control, food safety, environmental monitoring, defense, and personal security. Moreover, a deeper understanding of the bio/electronic interface leads us towards new horizons in areas such as bionics, power generation, and computing. Advances in telecommunications, expert systems, and distributed diagnostics prompt us to question the current ways we deliver healthcare, while robust industrial sensors enable new paradigms in R&D and production. Despite these advances, there is a glaring absence of suitably robust and convenient sensors for body chemistries. This book examines some of the emerging technologies that are fueling scientific discovery and underpinning new products to enhance the length and quality of our lives. The 14 chapters written by leading experts cover such topics as: ZnO and graphene microelectrode applications in biosensing Assembly of polymers/metal nanoparticles Gold nanoparticle-based electrochemical biosensors Impedimetric DNA sensing employing nanomaterials Graphene and carbon nanotube-based biosensors Computational nanochemistry study of the BFPF green fluorescent protein chromophore Biosynthesis of metal nanoparticles Bioconjugated-nanoporous gold films in electrochemical biosensors The combination of molecular imprinting and nanotechnology Principles and properties of multiferroics and ceramics