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Browsing by Author "Bezuidenhout, Petrone H"

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The characterisation and design improvement of a paper-based E.coli impedimetric sensor

Author: Bezuidenhout, Petrone H ; Kumar, Raju ; Wiederoder, M ; Schoeman, J ; Land, Kevin J ; Joubert, T-H Date: Feb 2017 This paper describes the development and optimisation of a paper-based E. coli impedimetric biosensor for water quality monitoring. Impedimetric biosensing is advantageous because it is a highly sensitive, label-free, real-time method for the ... Read more
Comparison of inkjet-printed silver conductors on different microsystem substrates

Author: Kruger, Jene ; Bezuidenhout, Petrone H ; Joubert, T-H Date: Sep 2016 Applications for diagnostic and environmental point-of-need require processes and building blocks to add smart features to disposable biosensors on low-cost substrates. A novel method for producing such biosensors is printing electronics using ... Read more
High-resolution capacitance-frequency converter for biosensor applications

Author: Ghoor, Ikraam S ; Bezuidenhout, Petrone H ; Joubert, Trudi H Date: Sep 2017 This paper presents the design of a low-complexity, linear and sub-pF CMOS capacitance-frequency converter for reading out capacitive bacterial bio/sensors in an attempt to create a widespread bio/sensor readout module. The significant design ... Read more
Integrating integrated circuit chips on paper substrates using inkjet printed electronics

Author: Bezuidenhout, Petrone H ; Land, Kevin J ; Joubert, T-H Date: Nov 2016 This paper investigates the integration of silicon and paper substrates using rapid prototyping inkjet printed electronics. Various Dimatix DMP-2831 material printer settings and adhesives are investigated. The aim is to robustly and effectively ... Read more
A low-cost potentiostat for point-of-need diagnostics

Author: Bezuidenhout, Petrone H ; Smith, Suzanne ; Land, Kevin J ; Joubert, T-H Date: Sep 2017 The work presented details the development of a lowcost potentiostat, with the aim of creating an ink-jet printed hybrid paper-based low-cost sensing system for rapid water quality monitoring. Potentiostats exhibit high sensitivities and can ... Read more
A low-power CMOS operational amplifier IC for a heterogeneous paper-based potentiostat

Author: Bezuidenhout, Petrone H ; Land, Kevin J ; Joubert, T-H Date: Sep 2016 Electrochemical biosensing is used to detect specific analytes in fluids, such as bacterial and chemical contaminants. A common implementation of an electrochemical readout is a potentiostat, which usually includes potentiometric, amperometric, ... Read more
Printed paper–based electrochemical sensors for low-cost point-of-need applications

Author: Smith, Suzanne ; Madzivhandila, Phophi ; Ntuli, Letta ; Bezuidenhout, Petrone H ; Zheng, Haitao ; Land, Kevin J Date: Feb 2019 Paper-based microfluidics is a rapidly developing field with applications for point-of-care disease and environmental diagnostics. In parallel, printed electronics has grown swiftly, particularly for wearable technologies. By combining these ... Read more
Printed wireless devices for low-cost, connected sensors for point-of-care applications

Author: Smith, Suzanne ; Bezuidenhout, Petrone H ; Land, Kevin J ; Korvink, JG ; Mager, D Date: Nov 2017 Resource-limited settings require point-of-care (POC) diagnostic solutions that can be rapidly manufactured at a low cost. These solutions require efficient ways to communicate data, and are therefore ideally suited to the internet of things ... Read more

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Browsing by Author "Bezuidenhout, Petrone H"

Browsing by Author "Bezuidenhout, Petrone H"

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