A5045371246- Gas Sensing Nanomaterials and Sensors
- Analytical Chemistry and Sensors
- Advanced Chemical Sensor Technologies
- Electrochemical Analysis and Applications
- Advanced biosensing and bioanalysis techniques
- Electrochemical sensors and biosensors
- Ionic liquids properties and applications
- Conducting polymers and applications
- Advanced Thermoelectric Materials and Devices
- ZnO doping and properties
- Nanowire Synthesis and Applications
- Biochemical Analysis and Sensing Techniques
- Polydiacetylene-based materials and applications
- MicroRNA in disease regulation
- Bioinformatics and Genomic Networks
- RNA Interference and Gene Delivery
- Perovskite Materials and Applications
- Water Quality Monitoring and Analysis
- Metal-Organic Frameworks: Synthesis and Applications
- Machine Learning in Materials Science
- Risk and Safety Analysis
- Nanomaterials and Printing Technologies
- Health, Environment, Cognitive Aging
- Organic Electronics and Photovoltaics
- Metamaterials and Metasurfaces Applications
Mineral Resources
2022-2025
Commonwealth Scientific and Industrial Research Organisation
2022-2025
Australian National University
2020-2025
Science Research Laboratory
2025
Australian Resources Research Centre
2022-2024
University of Oxford
2017-2022
Oxfam
2020-2021
Science Oxford
2020-2021
National University of Singapore
2017
Curtin University
2011-2015
Abstract Diabetic ketoacidosis (DKA) is a life‐threatening acute complication of diabetes characterized by the accumulation ketone bodies in blood. Breath acetone, ketone, directly correlates with blood ketones. Therefore, monitoring breath acetone can significantly enhance safety and efficacy care. In this work, design fabrication an InP/Pt/chitosan nanowire array‐based chemiresistive sensor reported. By incorporation chitosan as surface‐functional layer Pt Schottky contact for efficient...
The fast development of the Internet Things (IoT) has driven an increasing consumer demand for self-powered gas sensors real-time data collection and autonomous responses in industries such as environmental monitoring, workplace safety, smart cities, personal healthcare. Despite intensive research rapid progress field, most reported devices, specifically NO2 air pollution have limited sensitivity, selectivity, scalability. Here, a novel photovoltaic sensor is demonstrated based on axial...
Gas sensors are of great interest to portable and miniaturized sensing technologies with applications ranging from air quality monitoring explosive detection medical diagnostics, but the existing chemiresistive NO
Electrochemically bridging the gap between metallic IDE fingers at percolation threshold for highly sensitive chemiresistors on PET flexible substrates.
EHD printing of discrete conducting polymer arrays, bridging the electrodes for highly sensitive chemiresistive gas sensors.
Abstract Room‐temperature detection of volatile organic compounds in particle‐per‐billion concentrations is critical for the development wearable and distributed sensor networks. However, sensitivity selectivity are limited at low operating temperatures. Here, a strategy proposed to substantially improve performance semiconductor sensors. Tunable oxygen vacancies thick 3D networks metal oxide nanoparticles engineered using deep ultraviolet photoactivation. High achieved by optimizing...
Abstract Chemiresistive sensing is one of the most promising technologies for portable and miniaturized chemical sensing, with applications ranging from air quality monitoring to explosive detection medical diagnostics. Recently, there have been growing efforts in developing microchip based sensors operating at room temperature high sensitivity, selectivity, spatial temporal resolution, long‐term stability, cost‐effectiveness. Here, engineering highly performing gas consisting chemiresistive...
Abstract The development of biosensors has become increasingly important to tackle the spread potentially pandemic pathogens and for decentralization healthcare services. Despite progress, achieving selective detection ultralow concentrations biomarkers in complex fluids with point‐of‐care devices is a standing challenge. Here, an efficient material platform sensing down attomolar excellent selectivity tuneable linear response range reported. It demonstrated that by decreasing Au nanoislands...
Developing highly selective and sensitive biosensors for diabetes management blood glucose monitoring is essential to reduce the health risks associated with diabetes. Assessing glycation (GA) of human serum albumin (HSA) serves as an indicator medium-term glycemic control, making it suitable assessing efficacy protocols. However, most are not capable simultaneous detection relative fraction GA HSA in a clinically relevant range. Here, we report effective miniaturised biosensor architecture...
The increasing demand for gas molecule detection emphasizes the need portable sensor devices possessing selectivity, a low limit of (LOD), and large dynamic range. Despite substantial progress in developing nanostructured materials with heightened sensitivity, achieving sufficient selectivity remains challenge. Here, we introduce strategy to enhance performance chemiresistive sensors by combining an advanced design machine learning (ML). Our architecture consists tungsten oxide (WO3)...
As a result of the toxic and corrosive nature chlorine gas, simple methods for its detection are required monitoring control purposes. In this paper, electrochemical behavior on platinum working electrodes in room temperature ionic liquid (RTIL) 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide ([C2mim][NTf2]) is reported, as basis sensor devices. Cyclic voltammetry (CV) chronoamperometry (CA) Pt microelectrode revealed two-electron reduction Cl2 to chloride ions. On CV reverse...
Commercially available Pt screen printed electrodes (SPEs) have been employed as possible electrode materials for methylamine (MA) and hydrogen chloride (HCl) gas detection. The room temperature ionic liquid (RTIL) 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide ([C2mim][NTf2]) was used a solvent the electrochemical behaviour of both gases first examined using cyclic voltammetry. reaction mechanism appears to be same on SPEs microelectrodes. Furthermore, analytical utility...
Abstract The electrochemical behavior of oleyl‐coated Fe 3 O 4 nanoparticles synthesized by chemical co‐precipitation is investigated. An approach based on the formation a film an electrode surface employed together with cyclic voltammetry. Characterization scanning electron microscopy, confocal Raman spectroscopy, and X‐ray photoelectron spectroscopy shows that particle size 20 nm coated oleic acid are synthesized. These show superparamagnetic form homogeneous from their solution when dried...
Selective chemiresistive gas sensing using metal–organic framework encapsulated ultra-porous metal oxide nanoparticle network.
The electrochemical behavior of methylamine gas in several room temperature ionic liquids (RTILs), [C2mim][NTf2], [C4mim][NTf2], [C6mim][FAP], [C4mpyrr][NTf2], [C4mim][BF4], and [C4mim][PF6], has been investigated on a Pt microelectrode using cyclic voltammetry. A broad oxidation wave at approximately 3 V, two reduction peaks, another peak were observed. complicated mechanism is predicted based the voltammetry obtained, with ammonia as likely byproduct. currents obtained suggest that high...
Mixed-dimensional 2D/3D perovskite-based NO 2 gas sensors were developed with swift response, great sensitivity and good selectivity. The devices have significantly better moisture stability than the 3D devices.
Selective chemoresistive gas sensors using a monolithic membrane-sensing layer architecture.