Comparison Of Carbon Nanotube And Graphene Field Effect Transistor Biosensors
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Comparison Of Carbon Nanotube And Graphene Field Effect Transistor Biosensors
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Author : Grant William Saltzgaber
language : en
Publisher:
Release Date : 2012
Comparison Of Carbon Nanotube And Graphene Field Effect Transistor Biosensors written by Grant William Saltzgaber and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with Biosensors categories.
Detection of biomolecules is important for the diagnosis and treatment of diseases. Low concentration detection, specific biomolecule detection, and point-of-care use are appealing characteristics for biosensors because of the possibility of early detection and quick results of specific biomolecules. Furthermore, inexpensive biosensors are appealing so that they are accessible to the general population. The biosensors in this study have the potential to satisfy these characteristics. In this study graphene field-effect transistors (G-FET) were fabricated. Graphene was grown using chemical vapor deposition (CVD) and transferred to a silicon/silicon oxide substrate. The CVD method is the most scalable and cost-effective method of producing graphene for devices. Standard photolithography was used to pattern and then deposit metal electrodes. Two separate experiments were conducted; one using electrostatic attraction to bind protein to the active area of the G-FET to detect the protein poly-L-lysine (PLL) and one using an aptamer modified G-FET to selectively detect the protein thrombin. Analyte was delivered using a homebuilt, pressure driven, microfluidic, mass flow system. Both experiments showed a detection of the protein. The PLL experiment showed a clear change in the effective gate voltage of the G-FET. The thrombin experiment showed a change in the effective gate voltage that varied with differing concentrations of thrombin present. Furthermore, in the thrombin experiment by changing from a thrombin solution back to buffer the effective gate voltage was brought back to its original value. A competing protein was introduced and gave a signal comparable to the signal of a 10 times smaller concentration of thrombin. All of this shows that CVD grown graphene in a FET biosensor can be used for protein detection. Furthermore, the specific detection of thrombin suggests that aptamer modified G-FETs with CVD grown graphene can be used as a protein specific biosensor.
Carbon Nanotubes And Graphene
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Author : Kazuyoshi Tanaka
language : en
Publisher: Newnes
Release Date : 2014-07-10
Carbon Nanotubes And Graphene written by Kazuyoshi Tanaka and has been published by Newnes this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-07-10 with Science categories.
Carbon Nanotubes and Graphene is a timely second edition of the original Science and Technology of Carbon Nanotubes. Updated to include expanded coverage of the preparation, purification, structural characterization, and common application areas of single- and multi-walled CNT structures, this work compares, contrasts, and, where appropriate, unitizes CNT to graphene. This much expanded second edition reference supports knowledge discovery, production of impactful carbon research, encourages transition between research fields, and aids the formation of emergent applications. New chapters encompass recent developments in the theoretical treatments of electronic and vibrational structures, and magnetic, optical, and electrical solid-state properties, providing a vital base to research. Current and potential applications of both materials, including the prospect for large-scale synthesis of graphene, biological structures, and flexible electronics, are also critically discussed. - Updated discussion of properties, structure, and morphology of biological and flexible electronic applications aids fundamental knowledge discovery - Innovative parallel focus on nanotubes and graphene enables you to learn from the successes and failures of, respectively, mature and emergent partner research disciplines - High-quality figures and tables on physical and mathematical applications expertly summarize key information – essential if you need quick, critically relevant data
Biosensors Recent Advances And Future Challenges
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Author : Paolo Bollella
language : en
Publisher: MDPI
Release Date : 2021-01-27
Biosensors Recent Advances And Future Challenges written by Paolo Bollella and has been published by MDPI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-01-27 with Science categories.
The present book is devoted to all aspects of biosensing in a very broad definition, including, but not limited to, biomolecular composition used in biosensors (e.g., biocatalytic enzymes, DNAzymes, abiotic nanospecies with biocatalytic features, bioreceptors, DNA/RNA, aptasensors, etc.), physical signal transduction mechanisms (e.g., electrochemical, optical, magnetic, etc.), engineering of different biosensing platforms, operation of biosensors in vitro and in vivo (implantable or wearable devices), self-powered biosensors, etc. The biosensors can be represented with analogue devices measuring concentrations of analytes and binary devices operating in the YES/NO format, possibly with logical processing of input signals. Furthermore, the book is aimed at attracting young scientists and introducing them to the field, while providing newcomers with an enormous collection of literature references.
Graphene
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Author : Wonbong Choi
language : en
Publisher: CRC Press
Release Date : 2016-04-19
Graphene written by Wonbong Choi and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-04-19 with Science categories.
Since the late 20th century, graphene-a one-atom-thick planar sheet of sp2-bonded carbon atoms densely packed in a honeycomb crystal lattice-has garnered appreciable attention as a potential next-generation electronic material due to its exceptional properties. These properties include high current density, ballistic transport, chemical inertness,
Field Effect Transistor Biosensors For Rapid Pathogen Detection
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Author : Naif H M Al-Hardan
language : en
Publisher: Royal Society of Chemistry
Release Date : 2024-05-03
Field Effect Transistor Biosensors For Rapid Pathogen Detection written by Naif H M Al-Hardan 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 2024-05-03 with Science categories.
Looking to prevent future outbreaks of deadly pathogens by early detection? Infectious diseases continue to be a challenge that necessitates increased precision in detection and integration to achieve accurate diagnosis at the point of care (PoC). Field-effect transistors (FETs) have been investigated widely as biosensors for pathogen detection, with advantages such as label-free and real-time detection capabilities. These biosensors have: a high level of sensitivity, a remarkable capacity for miniaturization, a molecular minimum limit of detection (LoD), and seamless integration with semiconductor technology In this title, we have invited expert scientific researchers to share their experience in this field. This book focuses on the application and possibility of FETs as biosensors, for rapid and real time detection of pathogens that affect human life. The lack of commercially available efficient devices that can be deployed for this task resulted in the recent global spread of the SARS-CoV-19 virus. The book is an attempt to keep interested parties up to date. Aimed at scientists and engineers (researchers, academics, and postgraduate students) who are interested in developing and using BioFET based sensors, the information in this book is crucial to help prevent future outbreaks of pathogens which bring with them significant impacts on human health and wellbeing.
Major Applications Of Carbon Nanotube Field Effect Transistors Cntfet
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Author : Balwinder Raj
language : en
Publisher: Engineering Science Reference
Release Date : 2019
Major Applications Of Carbon Nanotube Field Effect Transistors Cntfet written by Balwinder Raj and has been published by Engineering Science Reference this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with Carbon nanotubes categories.
"This book explores the methods and applications of converting semiconductor devices from micron technology to nanotechnology. It also examines existing CNTs, CNTFETs, and their applications and examines practical applications to minimize short channel effects and power dissipation in nanoscale devices and circuits" --
2d Monoelements
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Author : Inamuddin
language : en
Publisher: John Wiley & Sons
Release Date : 2020-11-26
2d Monoelements written by Inamuddin and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-11-26 with Technology & Engineering categories.
2D Monoelements: Properties and Applications explores the challenges, research progress and future developments of the basic idea of two-dimensional monoelements, classifications, and application in field-effect transistors for sensing and biosensing. The thematic topics include investigations such as: Recent advances in phosphorene The diverse properties of two-dimensional antimonene, of graphene and its derivatives The molecular docking simulation study used to analyze the binding mechanisms of graphene oxide as a cancer drug carrier Metal-organic frameworks (MOFs)-derived carbon (graphene and carbon nanotubes) and MOF-carbon composite materials, with a special emphasis on the use of these nanostructures for energy storage devices (supercapacitors) Two-dimensional monoelements classification like graphene application in field-effect transistors for sensing and biosensing Graphene-based ternary materials as a supercapacitor electrode Rise of silicene and its applications in gas sensing
Printed Flexible Sensors
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Author : Anindya Nag
language : en
Publisher: Springer
Release Date : 2019-03-11
Printed Flexible Sensors written by Anindya Nag and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-03-11 with Technology & Engineering categories.
This book presents recent advances in the design, fabrication and implementation of flexible printed sensors. It explores a range of materials for developing the electrode and substrate parts of the sensors, on the basis of their electrical and mechanical characteristics. The sensors were processed using laser cutting and 3D printing techniques, and the sensors developed were employed in a number of healthcare, environmental and industrial applications, including: monitoring of physiological movements, respiration, salinity and nitrate measurement, and tactile sensing. The type of sensor selected for each application depended on its dimensions, robustness and sensitivity. The sensors fabricated were also embedded in an IoT-based system, allowing them to be integrated into real-time applications.
Graphene Field Effect Transistor Biosensors
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Author : Shiyu Wang
language : en
Publisher: Springer Nature
Release Date : 2021-03-31
Graphene Field Effect Transistor Biosensors written by Shiyu Wang and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-03-31 with Technology & Engineering categories.
In this monograph, the graphene-based field-effect transistor (FET) biosensors are shown to be an emerging sensing platform. Divided into two parts the first set of chapters are devoted to basic knowledge of graphene, graphene FET and its biosensing. In the second part of this book the applications of graphene FET biosensors combined with various biotechnologies are presented. As well as discussing the existing technologies the authors also introduce their own ideas and concepts. Finally the remaining problems in graphene FET biosensors are discussed, along with proposed solutions and prospects for future applications. This monograph allows readers to grasp the basic knowledge and future direction of graphene-based FET biosensors.
Nano Inspired Biosensors For Protein Assay With Clinical Applications
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Author : Genxi Li
language : en
Publisher: Elsevier
Release Date : 2018-08-29
Nano Inspired Biosensors For Protein Assay With Clinical Applications written by Genxi Li and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-08-29 with Science categories.
Nano-inspired Biosensors for Protein Assay with Clinical Applications introduces the latest developments in nano-inspired biosensing, helping readers understand both the fundamentals and frontiers in this rapidly advancing field. In recent decades, there has been increased interest in nano-inspired biosensors for clinical application. Proteins, e.g. antigen-antibody, tumor markers and enzymes are the most important target in disease diagnosis, and a variety of biosensing techniques and strategies have been developed for protein assay. This book brings together all the current literature on the most recent advances of protein analysis and new methodologies in designing new kinds of biosensors for clinical diagnostic use. - Provides a single source of information on the latest developments in the field of biosensors for protein analysis and clinical diagnosis - Focuses on biosensors fabricated with nanomaterials and nanotechnology - Gives detailed methodologies for designing and fabricating nano-inspired biosensors