SAW chemical array device coated with polymeric sensing materials for the detection of nerve agents

J Kim, H Park, J Kim, BI Seo, JH Kim - Sensors, 2020 - mdpi.com
G nerve agents are colorless, odorless, and lethal chemical warfare agents (CWAs). The
threat of CWAs, which cause critical damage to humans, continues to exist, eg, in warfare or …

Surface acoustic wave vapor sensor with graphene interdigital transducer for TNT detection

C Chen, J Jin - Sensing and Imaging, 2020 - Springer
The performance of the surface acoustic wave (SAW) vapor sensor with graphene
interdigital transducer (IDT) is investigated to study the improvement of sensitivity and …

Ultrasensitive quartz crystal microbalance enabled by micropillar structure

P Wang, J Su, W Dai, G Cernigliaro, H Sun - Applied Physics Letters, 2014 - pubs.aip.org
We report a method to significantly enhance the mass sensitivity of a quartz crystal
microbalance (QCM) device in which Polymethyl Methacrylate (PMMA) micropillars were …

Resonant characteristics and sensitivity dependency on the contact surface in QCM-micropillar-based system of coupled resonator sensors

MAM Kashan, V Kalavally, HW Lee… - Journal of Physics D …, 2016 - iopscience.iop.org
We report the characteristics and sensitivity dependence over the contact surface in coupled
resonating sensors (CRSs) made of high aspect ratio resonant micropillars attached to a …

Investigation into mass loading sensitivity of sezawa wave mode-based surface acoustic wave sensors

AA Mohanan, MS Islam, SHM Ali, R Parthiban… - Sensors, 2013 - mdpi.com
In this work mass loading sensitivity of a Sezawa wave mode based surface acoustic wave
(SAW) device is investigated through finite element method (FEM) simulation and the …

Effect of wetting states on frequency response of a micropillar-based quartz crystal microbalance

J Su, H Esmaeilzadeh, P Wang, S Ji, M Inalpolat… - Sensors and Actuators A …, 2019 - Elsevier
A new acoustic wave resonance device induced by coupling micropillars with a quartz
crystal microbalance (QCM-P) was developed for potential use in a wide range of …

CO2 and SO2 Interactions with Methylated Poly(ethylenimine)-Functionalized Capacitive Micromachined Ultrasonic Transducers (CMUTs): Gas Sensing and …

D Barauskas, SJ Park, D Pelenis… - ACS Applied …, 2019 - ACS Publications
A capacitive micromachined ultrasonic transducer (CMUT)-based sensor modified with
methylated poly (ethylenimine)(mPEI) was designed and tested for the detection of two …

Finite element modeling and experimental proof of NEMS-based silicon pillar resonators for nanoparticle mass sensing applications

HS Wasisto, K Huang, S Merzsch, A Stranz… - Microsystem …, 2014 - Springer
The potential use of nanoelectromechanical systems (NEMS) created in silicon nanopillars
(SiNPLs) is investigated in this work as a new generation of aerosol nanoparticle (NP) …

An improved performance frequency estimation algorithm for passive wireless SAW resonant sensors

B Liu, C Zhang, X Ji, J Chen, T Han - Sensors, 2014 - mdpi.com
Passive wireless surface acoustic wave (SAW) resonant sensors are suitable for
applications in harsh environments. The traditional SAW resonant sensor system requires …

One-step fabrication of microchannels with integrated three dimensional features by hot intrusion embossing

M Debono, D Voicu, M Pousti, M Safdar, R Young… - Sensors, 2016 - mdpi.com
We build on the concept of hot intrusion embossing to develop a one-step fabrication
method for thermoplastic microfluidic channels containing integrated three-dimensional …