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 37 for “"Electrochemical sensor"”.
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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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Volterra System Analysis for an Electrochemical Sensor
… A potential solution to this problem is an electrochemical sensor, which applies a stochastic voltage across a liquid medium and measures the resultant current flow. This data can then be used to model the liquid’s electrochemical interactions and monitor it for bacterial growth and …
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Smart-phone-based electrochemical sensor for environmental applications
… integrated plug-n-play microelectronic ionic sensor that performs electrochemical measurement by using audio jack of a smart phone. This platform was used to measure nitrate concentration using a few microliter liquid samples on field along with providing geospatial map locations through a …
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DEVELOPMENT OF MICROBIAL ELECTROCHEMICAL SENSOR FOR TOXICITY SCREENING OF INFLUENT WASTEWATER
A microbial electrochemical sensor (MES) that is capable to detect influent wastewater toxicity was presented, having the characteristics of being quick, preventative, simple, inexpensive, on-line, and relevant to the activated sludge process. The MES was firstly optimized in terms of both sensing …
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The Formation of an Electrochemical Sensor for the Selective Detection of Dopamine
… film that can be used as novel dopamine (DA) sensor. This material exhibited a higher sensitivity to DA in comparison to the several other polypyrrole modified electrodes that were investigated in this study and it was also highly selective towards DA in the presence of a wide variety of major …
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Low-Power and High Precision Sensing Circuit for a Three-Channel Electrochemical Sensor
A discrete, compact, low-power sensor readout circuit that can simultaneously handle two current measurements, and one voltage measurement. This work provides a compact, low-power sensor architecture, with the intent for the serial readout to be replaced with a low-power radio frequency transmitter …
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Electrochemical Sensor for Metal Ions and Phosphate Ion Detection for Biomedical and Agriculture Application
<p>The goal of this work was to develop electrochemical sensors for heavy metal ions (e.g., Cd<sup>2+</sup>, Hg<sup>2+</sup>, Pb<sup>2+</sup>) and phosphate detections in fertilizers with high sensitivity, high detection range, repeatability and portability. The heavy metal electrochemical sensors …
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An Electrochemical Sensor Development Platform: Applications of System Identification to Biological Sensing in Evolving Fluids
… and pharmaceuticals. Compact, low-cost electrochemical sensors that monitor microorganism population and growth have attracted attention as replacements for days-long plate-counting -- potentially delivering results within hours or seconds by monitoring model parameters from diverse …
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Electrochemical materials and microfabrication for sensor devices
An electrochemical sensor is an analytical chemistry device that can quantitatively detect the concentration of a target analyte by oxidising or reducing the analyte and measuring the resulting current. These versatile sensors can offer rapid, real-time, sensitive, selective and cost-effective …
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(Bio)Sensores electroquímicos basados en sonogeles modificados con nanomateriales y polímeros para aplicaciones analíticas
… thesis is focused on the development of novel electrochemical sensor devices based on the modification of the Sonogel-Carbon material with conducting polymers and nanomaterials, as well as on the subsequent application in the analysis of real samples. The preparation of these transducer …
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Development and characterisation of macro-disc and micro-band electrodes for electrochemical sensing applications
… was to investigate 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 …
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Studies of urban air quality using electrochemical based sensor instruments
… thesis aims to address this problem using novel electrochemical based air quality (AQ) sensors. These instruments are shown to provide cost effective, portable, reliable, indicative measurements for urban air quality assessment as well as for personal exposure studies. Three principal pollutants …
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The development of smart-bandage technologies
… within describes the development of in-situ electrochemical sensor assemblies suitable for incorporation within traditional or ‘smart’ wound dressings. Sensor developments have led to prototype construction of a multitude of sensing substrates capable of quantitative analyses for the …
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Novel NOx sensing technology determining value by looking at patent potential and possible partnerships
… of the technology in the lab. The novelty of the electrochemical sensor is that it employs a molten alkali carbonate electrolyte as opposed to sensors with solid electrolytes, which are generally used. While the science of the sensor is still under development, Cima has targeted diesel engines for …
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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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CRISPR-integrated Biosensors for Human Health: Novel strategies for pathogen detection and cancer screening
… and ensuring food safety. CRISPR-based biosensors offer a promising solution due to their programmability, sensitivity, and versatility. This dissertation focuses on the development of CRISPR-integrated biosensing platforms for assessing antimicrobial resistance, detecting bacterial …
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Investigations on the development of a novel hybrid sensor for environmental monitoring applications.
… in-situ, rapid, highly sensitive and selective sensors to monitor the very low concentration levels. Various approaches for improving sensitivity and selectivity have been investigated over the years involving multiple detection techniques. In general, optical approaches provide higher …
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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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Oxidative stress markers in neurological diseases and disorders: electrochemical detection of hydrogen peroxide and nitric oxide
… aim of this thesis is to further demonstrate the electrochemical detection of nitric oxide (NO) and hydrogen peroxide (H2O2) in-vitro, to advance the previously demonstrated detection of brain NO and to demonstrate the novel in-vivo detection of H2O2 using a paired catalase-based biosensor. We …
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Rational design strategies for redox flow batteries
… inherent intermittency of renewable resources. Electrochemical systems are wellpositioned to support this transition with redox flow batteries (RFBs) emerging as a promising grid-scale platform, as their unique architecture offers decoupled energy / power scaling, simplified manufacturing, and …
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