Steven Prawer

Enhanced effective diffusion in sub-wavelength, axon-scale microchannels using surface acoustic waves

Danli Peng, Wei Tong, David J Collins, Michael R Ibbotson, Steven Prawer, Melanie EM Stamp

Journal article  |  2023  |  PHYSICS OF FLUIDS

Excitation using surface acoustic waves (SAW) has demonstrated efficacy in improving microscale particle/chemical transport due to..

Photodegradation kinetics for bilirubin sensing: New solutions for old problems

JP Ndabakuranye, A Nadarajah, T Niyitanga, S Prawer, A Ahnood

Journal article  |  2022  |  Biosensors and Bioelectronics: X

Blood bilirubin levels monitoring is essential for the management of liver disease and neonatal hyperbilirubinemia. Whilst highly ..

70 years of bilirubin sensing: towards the point-of-care bilirubin monitoring in cirrhosis and hyperbilirubinemia

Jean Pierre Ndabakuranye, Shiqiang Li, Genia Burchall, Kate Fox, Terry Piva, Zhangyu Xu, Omid Kavehei, Steven Prawer, Arman Ahnood

Journal article  |  2022  |  Sensors & Diagnostics

We provide a perspective on monitoring the blood bilirubin concentration using simple methods, which are economical and can be ado..

A diamond voltage imaging microscope

DJ McCloskey, N Dontschuk, A Stacey, C Pattinson, A Nadarajah, LT Hall, LCL Hollenberg, S Prawer, DA Simpson

Journal article  |  2022  |  NATURE PHOTONICS

Technologies that capture the complex electrical dynamics occurring in biological systems, across fluid membranes and at solid–liq..

A purely solid-state based method for bilirubin levels determination in plasma.

Jean Pierre Ndabakuranye, Steven Prawer, Arman Ahnood

Conference Proceedings  |  2022  |  Annu Int Conf IEEE Eng Med Biol Soc

In the past half-century, the advent of solid-state electronics, i.e., microcontrollers, transistors, photodiodes, light-emitting ..

Diamond Supercapacitors: Towards Durable, Safe, and Biocompatible Aqueous-Based Energy Storage

Andre Chambers, Steven Prawer, Arman Ahnood, Hualin Zhan

Journal article  |  2022  |  FRONTIERS IN CHEMISTRY

Durable and safe energy storage is required for the next generation of miniature bioelectronic devices, in which aqueous electroly..

Towards optical neuromodulation using nitrogen-doped ultrananocrystalline diamond photoelectrodes

Samira Falahatdoost, Andre Chambers, Alastair Stacey, Steven Prawer, Arman Ahnood

Journal article  |  2022  |  SURFACES AND INTERFACES

Nitrogen-doped ultrananocrystalline diamond (N-UNCD) is a form of diamond electrode with near-infrared photoresponsivity, making i..

A Novel Optical Assay System for Bilirubin Concentration Measurement in Whole Blood

Jean Pierre Ndabakuranye, Anushi E Rajapaksa, Genia Burchall, Shiqiang Li, Steven Prawer, Arman Ahnood

Journal article  |  2022  |  IEEE TRANSACTIONS ON BIOMEDICAL ENGINEERING

As a biomarker for liver disease, bilirubin has been utilized in prognostic scoring systems for cirrhosis. While laboratory-based ..

A System-On-Chip Assay for Bilirubin Levels Measurement in Whole Blood Using Photodegradation Kinetics

J Pierre Ndabakuranye, S Prawer, A Ahnood

Conference Proceedings  |  2022  |  Healthcare Innovations and Point of Care Technologies Conference, HI-POCT 2022

Bilirubin is clinically confirmed as a biomarker for liver health and is used to assess the prognosis of cirrhosis. Optical and ch..

Telecommunication-wavelength two-dimensional photonic crystal cavities in a thin single-crystal diamond membrane

Kazuhiro Kuruma, Afaq Habib Piracha, Dylan Renaud, Cleaven Chia, Neil Sinclair, Athavan Nadarajah, Alastair Stacey, Steven Prawer, Marko Loncar

Journal article  |  2021  |  APPLIED PHYSICS LETTERS

We demonstrate two-dimensional photonic crystal cavities operating at telecommunication wavelengths in a single-crystal diamond me..