Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 55 for “"Electrochemical sensors"”.
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Electrochemical sensors for integration on silicon
… to carry out the analysis. In this thesis, electrochemical methods at micro-electrodes are explored and developed for reagent-free, point-of-care analysis that does not require the need for specialised training. The main goal of the thesis is to develop low-power micro-sensors for …
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Design, development and characterization of nanostructured electrochemical sensors
… thesis which focuses on the study of electrochemical microbiosensors for glucose detection. It investigates applications of a series of microfabricated gold electrodes based on several nanostructures in electrochemical biosensing technologies, embracing three major methodologies: …
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Micromachined Electrochemical Sensors For Hydrogen Peroxide And Chlorine Detection
… have been used to design, fabricate and test electrochemical sensors and microneedle structure that can be integrated for detection of hydrogen peroxide and free chlorine. A novel nanomaterial has been integrated with the hydrogen peroxide microsensor, which greatly increases the sensor …
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The application of nanomaterials in electrochemical sensors and biosensors
… was also performed by spectrophotometzlc and electrochemical analyses. AuNPs were also used to develop a multi-detection lmmunoassay system A sandwch-type platform was prepared using stueptavidln-modified paramagnetic beads as supporting material, blotinylated anti-human IgG as primary …
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The Development of Novel Electrochemical Sensors Based on Innovative Materials
Over recent decades, electrochemical technologies have experienced significant advancements, offering simplicity, high sensitivity, rapid response, and cost-effectiveness compared to conventional analytical techniques. These advantages have enabled their widespread application in environmental …
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Microfluidic electrochemical sensors for the selective detection of toxic compounds
… device platforms which enable these sensors to be operated in a practical, effective manner. The majority of the work in this thesis involves an aqueous based chemistry utilizing an oxime reagent for the detection of acetylcholinesterase inhibitors. However, two other liquid …
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Development Of Electrochemical Sensors And Non-Covalent Monolayer Modification Of Graphene
… research topics. One is the development of novel electrochemical sensors (Chapter 1-5), and the other is the non-covalently modification of graphene with monolayers of receptors, also in view of the development of chemical sensors (Chapter 6-7). Good electrode-to-electrode reproducibility is a …
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Green Carbon Quantum Dots Based Electrochemical Sensors for Analysis of Neurotransmitters
… with thermogravimetric analysis (TGA). The electrochemical characterization of the quantum dots (CQDs, bCQDs), copper oxide nanoparticles (CNPs), and the nanocomposites (CQDs/CNPs and bCQDs/CNPs) was done with electrochemical impedance spectroscopy (EIS). Bare GCE and GCE modified with these …
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Development of ultrasensitive electrochemical sensors based on nanocomposites for environmental applications
… quality parameters in real-time. Therefore, electrochemical sensing technology has the potential to change the way we see quality control analysis in the environment. It can provide a cheap, sensitive, portable, and easy-to-use method of application in quality control analysis. Thus, this …
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Development of Electrochemical Sensors Suitable for In Vivo Detection for Neurotransmitters
<p>The electrochemical method of redox cycling was exploited to achieve new discoveries in neurotransmitter detection and to advance its suitability toward in vivo use. Redox cycling has advantages in signal amplification, selectivity of species based on their electrochemical reaction mechanisms, …
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Ferrocenyl derivatives of dithizone : photochromic properties and potential as electrochemical sensors
… In the second part of this project the electrochemical recognition of various metal ions by the new ligands S-ferrocenyldithizone (13) and S-ferrocenylmethyldithizone (14) was investigated. In both compounds the transducer is the ferrocenyl substituent and the binding site is the …
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Nanoparticle-based electrochemical sensors for the detection of lactate and hydrogen peroxide
<p>In the present study, electrochemical sensors for the detection of lactate and hydrogen peroxide were constructed by exploiting the physicochemical properties of metal ad metal oxide nanoparticles. This study can be divided into two main sections. While chapter 2, 3, and 4 report on the …
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Design and development of portable low-cost electrochemical sensors for biosystems applications
Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2025-12-01
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Micro electrochemical sensors and PCR systems: cellular and molecular tools for wine yeast analysis
… were devoted to the realization of Cell-Based Biosensors (CBBs) to monitor the dynamic behaviour of cell cultures for pharmacological screening and basic research. Other researchers focused their interests in the development of so-called Lab-on-a-Chip (LOC) systems for DNA analysis mostly applied …
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The use of cyclodextrin template-based metal oxide nanomaterials in the development of electrochemical sensors for phenolic endocrine disruptor compounds
… diffraction (XRD), cyclic voltammetry (CV), electrochemical impedance spectroscopy (EIS) and chronoamperometry (CA). The TEM shows that the surface morphology has no difference between nanoparticles prepared in the presence and absence of beta-cyclodextrin β-CD), amorphous particles with high …
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Electrochemical sensor interface
… in nanotechnology have led to the development of electrochemical sensors that utilize electrodes with a width of one micron or less. This increased sensitivity has opened up a range of new electrochemical sensing applications, allowing the technology to move beyond the confines of the laboratory …
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Measuring ambient air quality using low-cost sensors
… impact caused by air pollution. Low-cost sensors (LCS) offer the opportunity to vastly increase our ability to make air quality measurements with finer spatiotemporal resolution than ever before; however, the use of such sensors has outpaced our understanding of their abilities, …
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Detection of Antibody-Antigen Reactions using Surface Acoustic Wave and Electrochemical Immunosensors
… and non-trivial. In this work, immunosensors based on surface acoustic wave and electrochemical techniques are presented, which provide high specificity like conventional immunoassays and the real-time monitoring of immunoreactions can be achieved. Surface acoustic wave devices have …
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