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 12 of 12 for “"Electrochemical biosensors"”.
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Development of electrochemical biosensors and sensors for the determination of interest analytes
Se han puesto a punto varios métodos electroquímicos para la determinación de varios analitos de interés, como lactato, cloruro, bromuro y yoduro utilizando sistemas electródicos serigrafiados (SPEs). Su bajo costo, tamaño pequeño, portabilidad para aplicaciones in situ, así como su facilidad de …
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Development of smartphone hyphenated colorimetric, plasmonic and electrochemical biosensors for food contaminant detection
… was thoroughly assessed. In chapter seven an electrochemical immunoassay was developed for domoic acid detection in shellfish. Here the focus was on the performance of screen printed electrodes that were modified with various materials. Finally, in chapter eight, a synopsis of the thesis is …
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Development of Electrochemical Biosensors for Potential Liver Disease Detections of ALT & AST and Application of Ionic Liquid into Biosensing-Modified Electrodes
… iridium-carbon (Ir-C) biosensor based on the electrochemical measurement of the enzymatically-liberated H2O2. Serum-aminotransferase detection of ALT or AST was accomplished in a few minute. Therefore, any additional mediator or anti-interference membrane was not required.ALT and AST coexisted …
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Electrochemical Detection of Anti-Biofilm Activity Using Unnatural Amino Acid-Containing Antimicrobial Peptides
… the costs associated with it and the reagents. Electrochemical biosensors can remedy some of those drawbacks by offering speed and cost benefits. Electrochemical biosensors consisting of Layer-by-Layer (LbL) modified electrodes were constructed. These sensors were fabricated to test the …
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The synthesis characterization and application of novel N-ferrocenoyl peptide derivatives
… increasing focus on the design and synthesis of electrochemical biosensors as they can lead to the analytical determination of biological and organic analytes. As amino acid and peptides play such a diverse role within biological systems incorporation of a redox active, chromophoric group into …
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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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DNA Biosensors Based on Gold-Coated Magnetic Nanoparticles
… as DNA gene chips, therapeutic devices, and DNA biosensors. Electrochemical transduction provides a convenient means for studying DNA hybridization due to its simplicity and compatibility with point-of-care diagnostic devices. One challenge in electrochemical biosensors is how to detect ultra-low …
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Affordable technologies for point-of-care diagnostics
… for the transduction of two independent types of biosensors. In the first part of my work, I developed inexpensive gold leaf electrodes that can be used to build electrochemical biosensors; I use these electrodes to detect clinically relevant viral loads human papillomavirus (HPV) from clinical …
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A Bifunctional Nanocomposites Based Electrochemical Biosensor for In-field Detection of Pathogenic Bacteria in Food
<p>This research focused on the application of electrochemical biosensors for the rapid detection of pathogenic bacteria, Escherichia coli O157:H7 and Salmonella Typhimurium, in foods. The possible presence of pathogenic bacteria in foods has always been a great threat to the wellbeing of people …
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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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Eis analysis of shear enhanced microfluidic lab-on-a-chip device
Electrochemical sensors and biosensors have received much attention owing to the feasibility demonstrated regarding instrumental simplicity, decent cost, and portability during the detection of a wide range of biological and pharmaceutical macromolecules. Carbon-based nanomaterials, including …
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Desarrollo y aplicación de sensores y biosensores electroquímicos para la determinación de contaminantes medioambientales y agroalimentarios
En la actualidad, la seguridad alimentaria y la calidad medioambiental es un tema de gran preocupación e interés para el ciudadano debido a su repercusión directa en la calidad de vida. Concretamente, el control de contaminantes como aminas biógenas, que se producen como consecuencia de la …