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Ultralow-Power Alcohol Vapor Sensors Using Chemically Functionalized Multiwalled Carbon Nanotubes
- M. Sin, G. Chow, G.M.K. Wong, W. Li, P. Leong, K. Wong
- Materials Science
- IEEE Transactions on Nanotechnology
- 1 September 2007
Alcohol sensors, batch fabricated by forming bundles of chemically functionalized multiwalled carbon nanotubes (f-CNTs) across Au electrodes on SiO2/Si substrates using an AC electrophoretic… Expand
Ultra-Low-Power Alcohol Vapor Sensors Based on Multi-Walled Carbon Nanotube
- M. Sin, G. Chow, +4 authors T. Lee
- Materials Science
- 1st IEEE International Conference on Nano/Micro…
We have demonstrated multi-walled carbon nanotube (MWCNTs) based sensors, which are capable of detecting alcohol vapor with ultra-low power. We fabricated the Si-substrate sensors using an AC… Expand
Hybrid electrokinetic manipulation in high-conductivity media.
It is shown that pathogenic bacteria and biowarfare agents can be concentrated for over 3 orders of magnitude using hybrid electrokinetics, and the major technical hurdle of electrode instability for manipulating high conductivity samples is tackled. Expand
Electrothermal Fluid Manipulation of High-Conductivity Samples for Laboratory Automation Applications
Electrothermal flow was shown to create fluid motion for samples with a wide range of conductivity when the driving frequency was greater than 100 kHz and the characteristics of the electrothermal fluid motions were in quantitative agreement with the theory. Expand
Integrated Biosensor Assay for Rapid Uropathogen Identification and Phenotypic Antimicrobial Susceptibility Testing.
The integrated biosensor platform achieved microbiological results including MIC comparable to standard culture in a significantly shorter assay time, and has the potential to significantly expedite and improve treatment of urinary tract infections. Expand
Active Manipulation of Quantum Dots using AC Electrokinetics
The superior optical and electrical properties of quantum dot (QD) nanoparticles are being applied in a new generation of QD devices for microelectronic, nanophotonic, and biomedical systems.… Expand
In situ electrokinetic enhancement for self-assembled-monolayer-based electrochemical biosensing.
- M. Sin, Tingting Liu, Jeffrey D. Pyne, V. Gau, J. Liao, P. Wong
- Chemistry, Medicine
- Analytical chemistry
- 6 March 2012
It is demonstrated that electrokinetic enhancement, which involves in situ stirring and heating, can enhance the sensitivity of the strain specific 16S rRNA hybridization assay for 1 order of magnitude and accelerate the time-limiting incubation step with a 6-fold reduction in the incubation time. Expand
Electrokinetic focusing and separation of mammalian cells in conductive biological fluids.
The applicability of the hybrid electrokinetic technique for manipulating cells in physiological samples is demonstrated by continuous focusing of human breast adenocarcinoma spiked in urine, buffy coats, and processed blood samples with 98% capture efficiency. Expand
AC Electrokinetics of Physiological Fluids for Biomedical Applications
- Y. Lu, Tingting Liu, +4 authors P. Wong
- Chemistry, Medicine
- Journal of laboratory automation
- 1 December 2015
In this review, AC electrokinetic phenomena in conductive physiological fluids are described followed by a review of the basic microfluidic operations and the recent biomedical applications of AC Electrokinetics. Expand
Electrokinetic stringency control in self-assembled monolayer-based biosensors for multiplex urinary tract infection diagnosis.
- Tingting Liu, M. Sin, Jeffrey D. Pyne, V. Gau, J. Liao, P. Wong
- Biology, Medicine
- Nanomedicine : nanotechnology, biology, and…
An in situ electrokinetic stringency control approach for a self-assembled monolayer-based electrochemical biosensor toward urinary tract infection diagnosis is demonstrated, establishing that such an approach significantly improves the biosensor's signal-to-noise ratio. Expand