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 14 of 14 for “"electrochemical biosensor"”.
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Electrochemical biosensor based on microfabricated electrode arrays for life sciences applications
In developing a biosensor, the utmost important aspects that need to be emphasized are the specificity and selectivity of the transducer. These two vital prerequisites are of paramount in ensuring a robust and reliable biosensor. Improvements in electrochemical sensors can be achieved by using …
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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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New Designs of Electrochemical H2O2 Based Biosensors For Advanced Medical Diagnosis
… human body. By a simple approach, an integrated electrochemical biosensor coupled with the hydrogen peroxide quantification can become a practical solution as a point of care device at home, which can be made commercially available worldwide. Not only is it affordable, the biosensor is extremely …
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A study of nanostructured materials toward coronary artery stenting and DNA-based biosensing
… potential fr thrombosis. Surface chemical and electrochemical studies showed that nanocoating chemical groups remained stable under dry storage (25 [degrees]C) and in a simulated body fluid at 37 [degrees]C and 5% CO2. Plasma nanocoatings may be suitable in improving stent-vascular …
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Investigation of a novel electrocatalyst for hydrogen peroxide reduction and its application to sensing and biosensing.
… have more recently been displaced by electrochemical techniques, which have proven to be an inexpensive and effective means of hydrogen peroxide determination. Hydrogen peroxide is also the final product in many biochemical processes, most notably in oxidation reactions employing …
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Sensing at nanostructures for agri-food and enviromental applications
… presented; surface enhanced Raman sensing and electrochemical sensing. Surface-enhanced Raman spectroscopy (SERS) substrates were fabricated by templating a flexible thermoplastic polymer against an aluminium drinks can followed by coating with a silver film, to produce a rough nanostructured …
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The Biomedical Application of Conducting Polymers for the Electrochemical Detection of Diseases
… to function as portable, rapid, inexpensive biosensors when compared to what is currently available. In this work, an electrochemical biosensor for the detection of the small molecule adenosine and two cancer-associated mucin 1 polypeptides was developed utilizing a conductive copolymer a …
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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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The Electrochemistry of Ferrocenyl-thiolate Self-Assembled Monolayers for use in a Toll-like Receptor 4-based sensor
… agents. Development of field-deployable biosensors is a response to fulfill this gap, specifically, the demand for immediate recognition of samples of unknown origin requiring broad-based detection capabilities. Our research group has been pursuing this venture by creating an …
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Enzyme-Linked Electrochemical Detection of Urinary Sarcosine
… to develop a first-generation enzyme-linked electrochemical biosensor (EnzL-ECBS) to detect sarcosine at clinically relevant concentrations for PCa diagnosis in human urine. Combining a silica-immobilised chimeric monomeric sarcosine oxidase (mSOx) biorecognition element with a static …
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Fundamental Aspects Of Regenerative Cerium Oxide Nanoparticles And Their Applications In Nanobiotechnology
… oxide nanoparticles were used to develop an electrochemical biosensor of hydrogen peroxide (H2O2). The sensor was useful to detect H2O2 concentrations as low as 1µM in water. Also the preliminary testing of the sensor on tomato stem and leaf extracts indicated that the sensor can be …
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A Novel Use for Ionic Polymer Transducers for Ionic Sensing in Liquid
Ionic electroactive polymers have been developed as mechanical sensors or actuators, taking advantage of the electromechanical coupling of the materials. This research attempts to take advantage of the chemomechanical and chemoelectrical coupling by characterizing the transient response as the …
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Spray coated bentonite/MWCNT composite enzymatic biosensor for uric acid detection
Biosensors are widely used in healthcare and diagnostics, offering rapid and reliable detection of biological analytes. This study presents the development of an enzymatic uric acid (UA) biosensor based on a nanocomposite of bentonite (BT) and multi-walled carbon nanotubes (MWCNTs) fabricated via …
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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
… aspartate aminotransferase (AST). The proposed biosensor technology provided a useful tool for potential clinical-screening of liver status.Iridium (Ir) nanoparticles possessed excellent electrocatalytic activity and its incorporation into the biosensor provided excellent detection of H2O2 …