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.
Results
Showing 1 to 20 of 26 for “"electrochemical sensing"”.
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Laser-induced graphene for electrochemical sensing applications
… a low-power hobbyist visible laser system, for electrochemical sensing applications. Polyimide (PI) was studied initially as a precursor, with the resultant LIG electrodes showing excellent electrochemical properties. Then LIG electrodes were bio-modified for the sensitive detection of …
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A universal miniaturized electrochemical sensing platform and its applications
… have developed a portable universal miniaturized electrochemical sensing platform, which integrates with a microelectronic sensor strip, that can perform various electrochemical and impedance sensing measurements. This sensing platform works as a miniaturized potentiostat that supports a number of …
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The development of an electrochemical sensing device for controlled drugs.
… and often subject to false positives. Electrochemical methods of detection offer a potential solution to this problem, as the equipment is portable, cheap and robust. The analysis is quantitative and, if the electrode/electrolyte combination is designed properly, it can be extremely …
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Development and characterisation of macro-disc and micro-band electrodes for electrochemical sensing applications
… potential next generation sensor platforms for electrochemical biosensor developments, specifically towards health monitoring applications. With increasing interest in the integration of miniaturised electrodes with minimally invasive and wearable devices, this thesis sought to explore …
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Biomarkers: Implications from Discovery and the development of Microscale Electrochemical Sensing Techniques for Their Detection
… Among the available methodologies, electrochemical sensing techniques occupy a unique place given their well-understood fundamental principles, relatively low cost, and use of electrons and ions to interact with the target in question. Although the principles of electrochemistry are …
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Microstructural manipulation and architecture design of carbon-based electrochemical systems
… cited advantages of carbonaceous materials for electrochemical applications include wide potential working windows, tunable electrocatalytic activity for a variety of redox species, and ease of modifications either by covalent or by noncovalent functionalization. My thesis aims at elucidating …
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Towards the synthesis of ferrocene nucleic acids
The fields of DNA chemistry and electrochemical sensing were combined in an attempt to synthesise ferrocene modified DNA. Two modified ferrocene monomers were attempted to be incorporated into oligonucleotide strands, using solid state phosphoramidite DNA synthesis techniques, and characterised …
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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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Portable biomedical measurement devices: MoboSens and impedance sensing systems
… been developed to perform the tests is called electrochemical sensing, ‘MoboSens’. It uses a smartphone as its sensing platform with an integrated plug-and-play microelectronic ionic sensor, and the whole package is connected through the audio jack on the smartphone. It is used to measure …
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Scalable Electrochemical Surface Enhanced Raman Spectroscopy (EC-SERS) for bio-chemical analysis
… performance for electrical recording and electrochemical sensing in bio-electronics applications. However, vertical nanopillar-array electrodes made of inorganic conducting materials by conventional nanofabrication approach still faces challenges in high manufacturing costs, poor …
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Monolithic Integration of Fluidics, Electronics, and Photonics using CMOS Foundry Processes
… so far have mainly focused on utilizing the sensing capabilities of CMOS, either electrochemical sensing by ion-sensitive field effect transistors or fluorescence detection by an CMOS photodiode array. Moreover, nanofluidic structures within the patterning precision of modern CMOS foundries …
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Novel Electrochemical Methods for Human Neurochemistry
… building strategies, and a new "random burst" sensing protocol. The advent of random burst sensing raises questions about the capabilities of in-vivo electrochemistry techniques, while opening introducing possibilities for novel approaches. Through a series of in-vitro experiments, this study …
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CRISPR Biosensors for Resource-limited Nucleic Acid Detection
… and outside the body. Unfortunately, biological sensing has lagged behind electronic and chemical sensors both in cost and accessibility, primarily due to the need for specialized equipment, sterile work spaces, and sensitive reagents to operate biosensors. The COVID-19 pandemic has only …
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A spectroscopic and electrochemical study of chlorotitanates in molten salt media
… in the electrorefining process. The utility of electrochemical sensing to observe concentration changes has been judged poor. Industrial use of reference electrodes is recommended for controlling the overpotential in the electrorefining process and to improve efficiency. Absorption spectroscopy …
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Sensing at nanostructures for agri-food and enviromental applications
… remediation. In this thesis, two new nanosensing diagnostic devices are developed and presented; surface enhanced Raman sensing and electrochemical sensing. Surface-enhanced Raman spectroscopy (SERS) substrates were fabricated by templating a flexible thermoplastic polymer against an …
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New Effects of Aging and Lattice Intercalation on Surface Properties of Titanate Nanobelts
… membrane (PEM) in fuel cells (PEMFC) and gas sensing capabilities. PEMFCs provide the highest power density in comparison with all other fuel cell types currently available. In order to improve the fuel cells efficiency, further advancements into enhancing the thermal stability while …
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Graphene Decorated Substrates and Their Interfacial Characteristics
… Raman spectroscopy (using Ag nanoparticles) and electrochemical sensing (using Pt nanoparticles). Finally, it is shown that few-layer graphene films on Cu serve as oxidation barrier under ambient, high temperature and under extreme conditions such as that of flow boiling</p>
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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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Multimaterial multifunctional fibers for biomedical applications
… fields of neural interfacing and bioimpedance sensing. Understanding the cytoarchitecture and wiring of the brain requires improved methods to record and stimulate large groups of neurons with cellular specificity. This requires the development of improved miniaturized neural interfaces that …
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