A5091565343- Plasmonic and Surface Plasmon Research
- Gold and Silver Nanoparticles Synthesis and Applications
- Biosensors and Analytical Detection
- Advanced Fiber Optic Sensors
- Analytical chemistry methods development
- Advanced biosensing and bioanalysis techniques
- Photonic and Optical Devices
- Ion-surface interactions and analysis
- Laser-induced spectroscopy and plasma
- Periodontal Regeneration and Treatments
- Edible Oils Quality and Analysis
- Quantum Dots Synthesis And Properties
- Advanced Biosensing Techniques and Applications
- Stroke Rehabilitation and Recovery
- Machine Learning in Bioinformatics
- Cerebral Palsy and Movement Disorders
- Analytical Chemistry and Sensors
- Advanced Proteomics Techniques and Applications
- Molecular Junctions and Nanostructures
- Clusterin in disease pathology
- Polymer Surface Interaction Studies
- Neurological Disorders and Treatments
- Bone Tissue Engineering Materials
The University of Adelaide
2014-2020
University of South Australia
2018
Growing world demand for gold and decreasing discovery rates of ore deposits necessitates new techniques exploration. Current the detection ppb level gold, such as inductively coupled plasma mass spectrometry (ICP-MS) are not field-deployable. By contrast, current portable device X-ray fluorescence (XRF) based sensors sufficiently sensitive. Thus, there is growing interest in developing a new, easy-to-use fast method low concentrations at site an exploration drilling rig. Two optical...
We investigate the effect of roughness thin silver films on performance sensors that exploit metal enhanced fluorescence (MEF).Fluorescence enhancement dye molecules up to 47 times was observed planar glass substrates coated with higher around 8 nm.We also study rough implemented a side an optical fiber and analyze its dependence thickness metal.A maximum factor 15 demonstrated for thinner coatings where film could be considered as layer particles.The chemical electroless plating technique...
Surface Plasmon Resonance (SPR) scattering offers significant advantages compared to traditional reflectivity measure- ments, essentially turning a non-radiative process into radiative one. Recently, we have shown that SPR can be used in an optical fiber, enabling higher signal noise ratio, reduced dependence on the metallic thickness as well unique capability of multiplexed detection with single fiber. Here report novel based sensor fabricated exposed-core silica Microstructured Optical...
Keywords: surface chemistry, plasma polymerization, salinization, gold sensing.
Metal Enhanced Fluorescence (MEF) takes advantage of the coupling between surface plasmons, in either a metallic thin film or nanoparticles, and fluorophores located proximity metal, yielding an increase fluorophore emission. While MEF has been widely studied on nanoparticles with emphasis creating brighter fluorescent labels, planar surfaces have not benefitted from same attention. Here we investigate influence roughness fluorescence enhancement. 50nm thick silver films were deposited glass...
For decades Surface Plasmon Resonance (SPR) has been one of the corner stones label free biosensing with a wide range architectures including optical fiber based SPR. Traditionally, resonance is monitored through reflectivity measurements at single wavelength as function incident angle in standard Kretschmann configuration, or transmission broadband light an fiber. In both cases, SPR inferred losses. An alternative approach to use scattering induced by rough metallic coatings, enabling turn...
Surface Plasmon Resonance has been one of the corner stone label free biosensing for decades with a wide range architectures, including fiber based SPR. Here we present work have achieved, using SPR scattering as an alternative approach sensors, rough metallic coating enabling to turn intrinsically non radiative process into one. Although use induces some inherent limitations, architectural advantages and higher efficiency in application such Metal Enhanced Fluorescence well ways forward...