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- Publications
- Influence
Chitosan based fiber-optic Fabry–Perot humidity sensor
Abstract A relative humidity fiber sensor based on Fabry–Perot interferometry configuration is presented. The proposed fiber sensor is functionalized with a thin layer of a moisture-sensitive natural… Expand
Label-free fiber-optic interferometric immunosensors based on waist-enlarged fusion taper
- L. Chen, C. C. Chan, +17 authors K. Leong
- Materials Science
- 1 March 2013
Abstract Label-free, all-fiber immunosensors based separately on Mach–Zehnder interferometry (MZI) and Michelson interferometery (MI) implemented using only single mode fiber (SMF) are proposed and… Expand
Graphene quantum dots functionalized gold nanoparticles for sensitive electrochemical detection of heavy metal ions
- S. L. Ting, S. L. Ting, +4 authors P. Chen
- Materials Science
- 1 August 2015
Abstract Graphene quantum dots (GQDs) are emerging zero dimensional materials promising various novel applications due to their extraordinary physicochemical properties. In this work, novel… Expand
Engineered materials for in vivo delivery of genome-editing machinery
- S. Tong, Buhle Moyo, Ciaran M. Lee, K. Leong, Gang Bao
- Computer Science
- Nature Reviews Materials
- 4 October 2019
TLDR
Polyvinyl alcohol coated photonic crystal optical fiber sensor for humidity measurement
- Wei Chang Wong, C. C. Chan, L. H. Chen, T. Li, K. X. Lee, K. Leong
- Materials Science
- 1 November 2012
Abstract A polyvinyl alcohol (PVA) coated photonic crystal optical fiber (PCF) sensor has been proposed as a relative humidity (RH) sensor. It was fabricated by collapsing the holes of PCF at both… Expand
Miniature pH optical fiber sensor based on waist-enlarged bitaper and mode excitation
- Wei Chang Wong, C. C. Chan, +4 authors K. Leong
- Materials Science
- 1 February 2014
Abstract A polyvinyl alcohol/poly-acrylic acid (PVA/PAA) hydrogel coated optical fiber interferometer was been evaluated as a pH sensor. The interferometer, which comprises a waist-enlarged bitaper,… Expand
One-Step Hydrothermal Tailoring of NiCo2S4 Nanostructures on Conducting Oxide Substrates as an Efficient Counter Electrode in Dye-Sensitized Solar Cells
- Si Yun Khoo, Si Yun Khoo, +5 authors T. Tan
- Materials Science
- 1 December 2015
A one-step in situ tailoring of NiCo2S4 nanostructures is demonstrated on fluorine-doped tin oxide (FTO) as Pt-free counter electrodes (CEs) for dye-sensitized solar cells (DSSCs) with performance… Expand
Gold nanoparticles decorated reduced graphene oxide for detecting the presence and cellular release of nitric oxide
- S. L. Ting, C. Guo, +4 authors P. Chen
- Materials Science
- 30 November 2013
Abstract In this work, we report the preparation of a nanocomposite consisting of gold nanoparticles (AuNPs) electrochemically deposited on electrochemically reduced graphene oxide (ERGO), and its… Expand
Cavity ringdown refractive index sensor using photonic crystal fiber interferometer
- Wei Chang Wong, W. Zhou, W. Zhou, C. C. Chan, Xin-yong Dong, K. Leong
- Materials Science
- 3 January 2012
Abstract A refractive index sensor is demonstrated by integrating a photonic crystal fiber (PCF) Mach–Zehnder interferometer (MZI) into a cavity ringdown loop for improved sensitivity. By splicing a… Expand
Uncooled resonant infrared detector based on aluminum nitride piezoelectric film through charge generations and lattice absorptions
- Wan Chia Ang, P. Kropelnicki, +4 authors C. Tan
- Physics
- 21 May 2014
This Letter demonstrates an aluminum nitride (AlN) based uncooled resonant infrared (IR) detector utilizing the photo-sensitive and piezoelectric properties of polycrystalline AlN. The AlN Lamb wave… Expand