Search Results - "Dae-Sik Lee"

ZnO–CuO Core-Hollow Cube Nanostructures for Highly Sensitive Acetone Gas Sensors at the ppb Level by Lee, Jae Eun, Lim, Chan Kyu, Park, Hyung Ju, Song, Hyunjoon, Choi, Sung-Yool, Lee, Dae-Sik

“…This paper presents a ZnO–CuO p–n heterojunction chemiresistive sensor that comprises CuO hollow nanocubes attached to ZnO spherical cores as active materials…”
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Drawing Lithography: Three-Dimensional Fabrication of an Ultrahigh-Aspect-Ratio Microneedle by Lee, Kwang, Lee, Hyun Chul, Lee, Dae-Sik, Jung, Hyungil

“…Drawing lithography is a novel fabrication technique in which a thermosetting polymer is directly drawn from a two‐dimensional solid surface without the need…”
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Analysis of volatile organic compounds in exhaled breath for lung cancer diagnosis using a sensor system by Chang, Ji-Eun, Lee, Dae-Sik, Ban, Sang-Woo, Oh, Jaeho, Jung, Moon Youn, Kim, Seung-Hwan, Park, SungJoon, Persaud, Krishna, Jheon, Sanghoon

“…•We have designed and fabricated a sensor system for early lung cancer diagnosis.•Breath gas was collected from lung cancer patients before and after the…”
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A three-dimensional and bevel-angled ultrahigh aspect ratio microneedle for minimally invasive and painless blood sampling by Lee, Dae-Sik, Li, Cheng Guo, Ihm, Chunhwa, Jung, Hyungil

“…•A sharp, hollow, and ultra-high-aspect-ratio microneedlelong enough to get to blood vessels and a blood-handling device are proposed.•The structure of the…”
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Flexible room-temperature NO2 gas sensors based on carbon nanotubes/reduced graphene hybrid films by Jeong, Hu Young, Lee, Dae-Sik, Choi, Hong Kyw, Lee, Duck Hyun, Kim, Ji-Eun, Lee, Jeong Yong, Lee, Won Jong, Kim, Sang Ouk, Choi, Sung-Yool

“…We present a flexible room temperature NO2 gas sensor consisting of vertical carbon nanotubes (CNTs)/reduced graphene hybrid film supported by a polyimide…”
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Low‐Power, Multi‐Transduction Nanosensor Array for Accurate Sensing of Flammable and Toxic Gases by Henriquez, Dionisio V. Del Orbe, Kang, Mingu, Cho, Incheol, Choi, Jungrak, Park, Jaeho, Gul, Osman, Ahn, Junseong, Lee, Dae‐Sik, Park, Inkyu

“…Toxic and flammable gases pose a major safety risk in industrial settings; thus, their portable sensing is desired, which requires sensors with fast response,…”
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A microheater on polyimide substrate for hand-held realtime microfluidic polymerase chain reaction amplification by Lee, Dae-Sik, Choi, Ok Ran, Seo, Yujin

“…The development of a DNA microfluidic device with a high speed, low power, and low reagent volume is very critical for real-time genotyping and diagnosis in…”
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A highly smart MEMS acetone gas sensors in array for diet-monitoring applications by Lee, Jae Eun, Lim, Chan Kyu, Song, Hyunjoon, Choi, Sung-Yool, Lee, Dae-Sik

“…In the present work, gas sensor arrays consisted of four different sensing materials based on CuO and their depositions on the MEMS microheaters were designed,…”
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Multienzyme-modified biosensing surface for the electrochemical analysis of aspartate transaminase and alanine transaminase in human plasma by Han, Yong Duk, Song, Seung Yeon, Lee, Jun Hwang, Lee, Dae Sik, Yoon, Hyun C.

“…We investigated the electrochemical detection of aspartate transaminase (AST) and alanine transaminase (ALT) by using a multienzyme-modified electrode surface…”
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Use of a Columnar Metal Thin Film as a Nanosieve with Sub-10 nm Pores by Choi, Dong-Hoon, Han, Yong Duk, Lee, Byung-Kee, Choi, Seon-Jin, Yoon, Hyun C., Lee, Dae-Sik, Yoon, Jun-Bo

“…A columnar‐structured nanosieve is unique in the sense that it is a general thin film formed by physical vapor deposition (PVD). Instead of additional…”
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A Disposable Plastic-Silicon Micro PCR Chip Using Flexible Printed Circuit Board Protocols and Its Application to Genomic DNA Amplification by Lee, Dae-Sik, Park, Se Ho, Chung, Kwang Hyo, Pyo, Hyeon-Bong

“…This paper describes a novel disposable and portable plastic-silicon polymerase chain reaction (PCR) system using microfabrication technologies for the…”
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Nonstoichiometric Co-rich ZnCo2O4 Hollow Nanospheres for High Performance Formaldehyde Detection at ppb Levels by Park, Hyung Ju, Kim, Jinmo, Choi, Nak-Jin, Song, Hyunjoon, Lee, Dae-Sik

“…Since metal oxide semiconductors were investigated as chemiresistors, rapid advances have been reported in this field. However, better performance metrics are…”
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Highly flexible, mechanically stable, and sensitive NO2 gas sensors based on reduced graphene oxide nanofibrous mesh fabric for flexible electronics by Park, Hyung Ju, Kim, Wan-Joong, Lee, Hyung-Kun, Lee, Dae-Sik, Shin, Jong-Ho, Jun, Yongseok, Yun, Yong Ju

“…[Display omitted] •Highly flexible and stable NO2 gas sensors based on reduced graphene oxide nanofibrous mesh fabrics were developed.•Flexible gas sensors…”
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Breath analysis system with convolutional neural network (CNN) for early detection of lung cancer by Lee, Byeongju, Lee, Junyeong, Lee, Jin-Oh, Hwang, Yoohwa, Bahn, Hyung-Keun, Park, Inkyu, Jheon, Sanghoon, Lee, Dae-Sik

“…Early diagnosis of lung cancer, the leading cause of cancer-related death worldwide, is critical for reducing mortality rate. However, current diagnostic…”
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Sonochemical synthesis of HKUST-1-based CuO decorated with Pt nanoparticles for formaldehyde gas-sensor applications by Lee, Jae Eun, Kim, Do Yeob, Lee, Hyung-Kun, Park, Hyung Ju, Ma, Ahyeon, Choi, Sung-Yool, Lee, Dae-Sik

“…[Display omitted] •Metal-organic frameworks HKUST-1 derived CuO decorated with Pt NPs having 1–2 nm diameter was synthesized through a sonochemical…”
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A ppb-level formaldehyde gas sensor based on CuO nanocubes prepared using a polyol process by Park, Hyung Ju, Choi, Nak-Jin, Kang, Hyuntae, Jung, Moon Youn, Park, Jeong Won, Park, Kang Hyun, Lee, Dae-Sik

“…We fabricated and characterized a highly formaldehyde-sensitive gas sensor based on CuO nanocubes. Cu2O nanocubes were synthesized through a wet, facile, and…”
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Barium Titanate Nanoparticles Sensitise Treatment-Resistant Breast Cancer Cells to the Antitumor Action of Tumour-Treating Fields by Yoon, Yi Na, Lee, Dae-Sik, Park, Hyung Ju, Kim, Jae-Sung

“…Although tumour-treating fields (TTFields) is a promising physical treatment modality based on disruption of dipole alignments and generation of…”
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Recognition of volatile organic compounds using SnO2 sensor array and pattern recognition analysis by Lee, Dae-Sik, Jung, Jong-Kyong, Lim, Jun-Woo, Huh, Jeung-Soo, Lee, Duk-Dong

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A highly susceptive mesoporous hematite microcube architecture for sustainable P-type formaldehyde gas sensors by Park, Hyung Ju, Hong, Seok Yong, Chun, Dong Hyun, Kang, Shin Wook, Park, Ji Chan, Lee, Dae-Sik

“…[Display omitted] The mesoporous hematite cubic frameworks (α-Fe2O3 microcube) with 2–3 μm sizes were prepared using a simple thermal treatment of the iron…”
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Microchip-Based Organophosphorus Detection Using Bienzyme Bioelectrocatalysis by Han, Yong Duk, Jeong, Chi Yong, Lee, Jun Hee, Lee, Dae-Sik, Yoon, Hyun C

“…We have developed a microsystem for the detection of organophosphorus (OP) compounds using acetylcholine esterase (AchE) and choline oxidase (ChOx) bienzyme…”
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