User profiles for Keekeun Lee

Keekeun Lee

Professor, Electrical & Computer Eng., Ajou University
Verified email at ajou.ac.kr
Cited by 2886

Polyimide-based intracortical neural implant with improved structural stiffness

KK Lee, J He, A Singh, S Massia… - Journal of …, 2003 - iopscience.iop.org
A novel structure for chronically implantable cortical electrodes using polyimide bio-polymer
was devised, which provides both flexibility for micro-motion compliance between brain …

Polyimide based neural implants with stiffness improvement

K Lee, A Singh, J He, S Massia, B Kim… - Sensors and Actuators B …, 2004 - Elsevier
A novel structure for chronically implantable cortical electrodes using polyimide bio-polymer
was devised, which provides both flexibility for micro-motion compliance between brain …

Biocompatible benzocyclobutene (BCB)-based neural implants with micro-fluidic channel

K Lee, J He, R Clement, S Massia, B Kim - Biosensors and Bioelectronics, 2004 - Elsevier
Poly-benzocyclobutene (BCB)-based intracortical neural implant was fabricated, in which
micro-fluidic channel was embedded to deliver drug solutions. BCB presents several attractive …

Development of SAW-based multi-gas sensor for simultaneous detection of CO2 and NO2

C Lim, W Wang, S Yang, K Lee - Sensors and Actuators B: Chemical, 2011 - Elsevier
A 440MHz wireless and passive surface acoustic wave (SAW)-based multi-gas sensor
integrated with a temperature sensor was developed on a 41 YX LiNbO 3 piezoelectric substrate …

Development of Highly Sensitive and Stable Surface Acoustic Wave‐Based Hydrogen Sensor and Its Interface Electronics

S Kim, G Singh, K Lee - Advanced Materials Technologies, 2022 - Wiley Online Library
A surface acoustic wave (SAW)‐based hydrogen sensor and its corresponding interface
electronics have been developed to measure the hydrogen concentration in air at room …

An Analysis of a Highly Sensitive and Selective Hydrogen Gas Sensor Based on a 3D Cu-Doped SnO2 Sensing Material by Efficient Electronic Sensor Interface

S Kim, G Singh, M Oh, K Lee - ACS sensors, 2021 - ACS Publications
In this research, a highly sensitive and selective hydrogen gas sensor was developed based
on Cu-doped SnO 2 . Sensing characteristics were compared based on SnO 2 doped with …

A novel 440 MHz wireless SAW microsensor integrated with pressure–temperature sensors and ID tag

K Lee, W Wang, T Kim, S Yang - Journal of Micromechanics and …, 2007 - iopscience.iop.org
This paper presents the development of a 440 MHz range surface acoustic wave (SAW)-based
microsensor integrated with pressure–temperature sensors and ID tag. Two piezoelectric …

Nanohybrids of Pt-Functionalized Al2O3/ZnO Core–Shell Nanorods for High-Performance MEMS-Based Acetylene Gas Sensor

…, LT Duy, H Seo, K Lee - ACS applied materials & …, 2019 - ACS Publications
Metal oxide nanostructures are the most promising materials for the fabrication of advanced
gas sensors. However, the main challenge of these gas sensors is humidity interference and …

A novel wireless, passive CO2 sensor incorporating a surface acoustic wave reflective delay line

W Wang, K Lee, T Kim, I Park… - Smart materials and …, 2007 - iopscience.iop.org
A 440 MHz wireless and passive surface acoustic wave (SAW) chemical sensor was
developed for CO 2 detection. The developed SAW gas sensor is composed of single phase …

Development of a highly sensitive and portable particulate matter SAW sensor and interface electronics

G Singh, S Kim, K Lee - Sensors and Actuators A: Physical, 2022 - Elsevier
In this study, a highly sensitive and portable surface acoustic wave (SAW)-based PM2.5 sensor
and its interface electronics were developed for real-time monitoring of air quality. Two 2-…