Cover
Dedication
Contents
Contributors
Preface
1. Quantum dots: Synthesis and characterizations
Introduction
Classification of QDs
Synthesis of QDs
Hydrolysis route
Sol-gel method
Hydrothermal/solvothermal method
Exfoliation process
Hydrothermal method
Microwave-hydrothermal synthesis
Laser ablation method
Characterization techniques of QDs
Conclusions
References
2. Basics of electroanalytical methods and their applications with quantum dot sensors
Introduction
Electroanalytical methods and their applications with QD sensors
Cyclic and linear sweep voltammetry and their applications with molecularly imprinted polymer-based nanosensors
Step and pulse voltammetry and their applications with electrochemical DNA biosensors
Amperometry and its applications with enzyme-based nanobiosensors
EIS and its applications with immunosensors
ECL and its applications for biomarker analysis
Photoelectrochemical techniques
Stripping voltammetric techniques and their applications with QD modified nanosensors in drug analysis
Alternating current voltammetry
Potentiometry
Conclusion
References
3. Quantum dots-based sensors using solid electrodes
Chapter outline
Introduction
Properties and applications of QDs
Solid electrodes and electrode modification techniques via QDs
Overview of trends in the construction of sensors with QDs
Conclusion
4. Quantum dot-based electrochemical molecularly imprinted polymer sensors: potentials and challenges
Introduction
Molecularly imprinted polymers
Preparation of molecularly imprinted polymer-based sensors
Application of nanomaterials in electrochemical molecularly imprinted polymer sensors
Electrochemical readout of molecularly imprinted polymers
QD-based electrochemical sensors
Permeation of a redox marker
Electroactive analytes
QD-based photoelectrochemical sensors
Conclusions
Acknowledgments
References
5. Electrochemical DNA biosensors based on quantum dots
Introduction
Basic electrochemical characteristics of QDs
Methods for QD biofunctionalization in sensor systems
Types of QDs and their electrochemical applications for DNA biosensing
Cadmium sulfide (CdS)
Cadmium selenide (CdSe)
Cadmium telluride (CdTe)
Zinc oxide (ZnO)
Lead sulfide (PbS)
Gold QDs
Carbon QDs (CDs)
Graphene QDs (GQDs)
Conclusions and outlook
References
6. Electrochemiluminescent and photoelectrochemical aptasensors based on quantum dots for mycotoxins and pesticid analysis
Introduction
Mycotoxins
Pesticides
Light and electricity: Electrochemiluminescence and photoelectrochemistry
The principles of electrochemiluminescence
The principles of photoelectrochemistry
Quantum dots as ECL and PEC materials for bioassays
Aptasensors based on quantum dots for food contaminant analysis
ECL and PEC aptasensors for mycotoxin analysis
ECL and PEC aptasensors for pesticide analysis
Conclusions
References
7. Quantum dots-based photoelectrochemical sensors and biosensors
Introduction
Photosensitive materials and mechanisms in PEC analysis
Organic photosensitive redox mediators
Semiconductor nanomaterials
Elemental-doped semiconductor materials
Composite materials
PEC biosensors
Generation or consumption of electron donors/acceptors
Steric hindrance of electron donors/acceptors
Introduction/release of photosensitive species
Energy transfer-based PEC biosensor
Conclusion
Acknowledgements
References
8. Fabrication of quantum dot-polymer composites and their electroanalytical applications
Introduction
Typical polymers used in QD-polymer composites and their electroanalytical applications
Conducting polymers
Molecularly imprinted polymers
Other types of polymeric matrices
Conclusion and future perspectives
References
9. Enzyme-based electrochemical nanobiosensors using quantum dots
Introduction
A brief history and general properties of enzymes
Enzyme classification and nomenclature
Enzyme kinetics
Enzyme inhibition
Generation of enzyme-based electrochemical biosensors
Immobilization strategies
Applications of quantum dot-modified electrochemical enzyme-based biosensors
Conclusions and future perspectives
References
10. Electrochemical immunosensors based on quantum dots
Introduction
Building blocks of electrochemical immunosensors based on QD
Signal amplification strategies
Graphene quantum dots
Nanocomposites in the construction of QD immunosensors
Applications of electrochemical immunosensors based on QD
Food, environmental, and agricultural analysis
Diagnostic tool for cancer and other disease biomarkers
Microorganism and drug analysis
Future remarks and conclusions
11. Electroanalytical application of quantum dots in microchips
Introduction
Direct applications of QDs in bioanalysis
Electrochemical applications of microchips by using quantum dots
Electrochemical immunosensor-based detection of DNA
Cancer applications
Biosensor applications of quantum dots
References
12. Electrochemical applications of inorganic material-doped quantum dots
Introduction
Electrochemical applications of heteroatoms-doped quantum dots
Electrochemical applications of metal oxide-doped quantum dots
Electrochemical applications of metal nanoparticles-doped quantum dots
Conclusions
Acknowledgments
References
13. Future prospects and concluding remarks for electroanalytical applications of quantum dots
Introduction
Synthesis and characterization of quantum dots
Future prospects electroanalytical applications of quantum dots
Electrochemical nanosensors and biosensors
Photoelectrochemical sensors
Smart biosensors and nanosensors
Concluding remarks
References
Index
A
B
C
D
E
F
G
H
I
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M
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O
P
Q
R
S
T
U
V
W
X
Z
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