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Browsing by Author "Korvink, JG"

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CD-based microfluidics for primary care in extreme point-of-care settings

Author: Smith, S ; Mager, D ; Perebikovsky, A ; Shamloo, E ; Kinahan, D ; Mishra, D ; Delgado, SMT ; Kido, H ; Saha, S ; Ducrée, J ; Madou, M ; Land, K ; Korvink, JG Date: Jan 2016 We review the utility of centrifugal microfluidic technologies applied to point-of-care diagnosis in extremely under-resourced environments. The various challenges faced in these settings are showcased, using areas in India and Africa as ... Read more
Connected, low-cost point-of-care diagnostics for rural South African clinics

Author: Smith, Suzanne ; Land, Kevin ; Korvink, JG ; Mager, D Date: Oct 2017 In rural settings, the implementation of data connectivity for point-of-care (POC) diagnostics is becoming increasingly important, but introduces complex challenges, where cost, infrastructure, and training of staff need to be balanced if ... Read more
Development of paper-based wireless communication modules for point-of-care diagnostic applications

Author: Smith, Suzanne ; Bezuidenhout, Petroné ; Land, Kevin ; Korvink, JG ; Mager, D Date: Sep 2016 We present an ultra-high frequency radio frequency identification based wireless communication set-up for paper-based point-of-care diagnostic applications, based on a sensing radio frequency identification chip. Paper provides a low-cost, ... Read more
Functional screen printed radio frequency identification tags on flexible substrates, facilitating low-cost and integrated point-of-care diagnostics

Author: Smith, Suzanne ; Oberholzer, Adelaide E ; Land, Kevin J ; Korvink, JG ; Mager, D Date: May 2018 This work explores the practical functionality of ultra-high frequency (UHF) radio frequency identification (RFID) tags screen printed onto various low-cost, flexible substrates. The need for integrated and automated low-cost point-of-care ... Read more
Low cost fabrication and assembly process for re-usable 3D polydimethylsiloxane (PDMS) microfluidic networks

Author: Land, K ; Mbanjwa, MB ; Govindasamy, K ; Korvink, JG Date: Sep 2011 A method to easily manufacture and assemble a polydimethylsiloxane (PDMS) based microfluidic device is described. The method uses low cost materials and reusable laser cut polymethyl methacrylate (PMMA) parts. In addition, the thickness of ... Read more
Microfluidic channel structures speed up mixing of multiple emulsions by a factor of ten

Author: Land, KJ ; Mbanjwa, M ; Korvink, JG Date: Sep 2014 We present a novel use for channel structures in microfluidic devices, whereby two two-phase emulsions, one created on-chip, the other off-chip, are rapidly mixed with each other in order to allow for the coalescence of one emulsion with the ... Read more
Novel mixing method for cross linker introduction into droplet emulsions

Author: Land, KJ ; Mbanjwa, MM ; Korvink, JG Date: Oct 2013 Microfluidic devices are commonly utilised for the manufacture of particles. In certain applications, cross linkers are required to manufacture these particles, and when introduced in continuous form will foul the microfluidic channels. We ... Read more
Novel passive normally closed microfluidic valve

Author: Land, K ; Schneider, F ; Potgieter, S ; Korvink, JG Date: Sep 2009 Microfluidic systems require numerous control valves in order to function properly. These valves form the basic unit of fluid handling within the microfluidic system. Many different valves have been designed and manufactured, both active and ... Read more
The potential of paper-based diagnostics to meet the ASSURED criteria

Author: Smith, Suzanne ; Korvink, JG ; Mager, D ; Land, Kevin J Date: Oct 2018 Paper-based diagnostics have already revolutionized point-of-care approaches for health and environmental applications, by providing low-cost, disposable tools that can be utilized in remote settings. These devices typically consist of ... Read more
Printed RFID tags on paper and flexible substrates towards low-cost connected sensor systems

Author: Smith, Suzanne ; Oberholzer, Adelaide E ; Land, Kevin J ; Korvink, JG ; Mager, D Date: Nov 2018 We present printed sensing radio frequency identification (RFID) tags on different paper and flexible substrates towards low-cost, automated connected sensor solutions. Combining the Internet of Things (IoT) with printed electronics and ... 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
Printed, flexible wireless temperature logging system

Author: Smith, Suzanne ; Madzivhandila, Phophi ; Oberholzer, Adelaide ; Land, Kevin J ; Korvink, JG ; Mager, D Date: Oct 2018 The internet of things (IoT) has resulted in accelerated development of intelligent and connected devices. Important modules include those for monitoring of environmental parameters and sensors for health diagnostic applications. Flexible, ... Read more
Topological microfluidic structures for rapid mixing of emulsions

Author: Land, KJ ; Mbanjwa, MM ; Korvink, JG Date: Oct 2013 A novel use for topological structures inside microfluidic channels is presented. These structures have been successfully utilised to aid in mixing of two water-in-oil emulsions in order to force coalescence, thereby introducing a cross linker ... Read more

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Browsing by Author "Korvink, JG"

Browsing by Author "Korvink, JG"

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