Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Hwaebong Jung"'
Publikováno v:
Sensors, Vol 22, Iss 5, p 2056 (2022)
We report a breath hydrogen analyzer based on Pd-coated SnO2 nanorods (Pd-SnO2 NRs) sensor integrated into a miniaturized gas chromatography (GC) column. The device can measure a wide range of hydrogen (1–100 ppm), within 100 s, using a small volum
Externí odkaz:
https://doaj.org/article/9fc667a9059146d1b067f709d49f8910
Autor:
Wooyoung Lee, Hwaebong Jung, Jang Ung Park, Sangyoon Ji, Jinwoo Cheon, Byungkook Oh, Young Geun Park, Woon Hyung Cheong
Publikováno v:
Soft Robotics. 7:564-573
There has been a great deal of interest in designing soft robots that can mimic a human system with haptic and proprioceptive functions. There is now a strong demand for soft robots that can sense their surroundings and functions in harsh environment
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0a1e095cde3714739890aee683a67177
https://doi.org/10.1089/soro.2019.0066
https://doi.org/10.1089/soro.2019.0066
Publikováno v:
Journal of Alloys and Compounds. 803:135-144
We report the effects of various dopants (Al, Co, and Cu) on the acetone-sensing properties of ZnO nanoparticles (NPs) for breath-analyzer applications. Among the different sensing materials, the Al-doped ZnO NPs exhibited the highest sensitivity tow
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6b63f01354b9f0d81926bc87de7ec8f9
https://doi.org/10.1016/j.jallcom.2019.06.254
https://doi.org/10.1016/j.jallcom.2019.06.254
Autor:
Yunji Park, Wooyoung Lee, Hwaebong Jung, Ran Yoo, Jun Ho Lee, Seung ryull Park, Hyun Sook Lee
Publikováno v:
Sensors and Actuators B: Chemical. 290:258-266
We report the quantum-size effect on the sensing properties of ZnO nanoparticles for the detection of isoprene. For this purpose, two types of ZnO particles with different sizes, including nanoparticles (NPs, ˜25 nm) and quantum dots (QDs, ˜5 nm),
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::934abf8a6e02f0795ed3a45033c7e8f7
https://doi.org/10.1016/j.snb.2019.03.118
https://doi.org/10.1016/j.snb.2019.03.118
Publikováno v:
Sensors and Actuators B: Chemical. 284:444-450
We report a new portable chemical warfare agent analyzer for miniaturized gas chromatography (mini-GC), comprising a packed column and hydrothermally synthesized Al-doped ZnO quantum dots (AZO QDs). This device uses a small volume of the target gas (
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::11d764ec05fc96da9d593e233dc622d7
https://doi.org/10.1016/j.snb.2018.12.144
https://doi.org/10.1016/j.snb.2018.12.144
Autor:
Hwaebong Jung, Hyegi Min, Junho Hwang, Jihee Kim, Yong-Sahm Choe, Hyun-Sook Lee, Wooyoung Lee
Publikováno v:
Applied Surface Science. 586:152827
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0f52aefc1725e6983c708193edd3c53f
https://doi.org/10.1016/j.apsusc.2022.152827
https://doi.org/10.1016/j.apsusc.2022.152827
Publikováno v:
Journal of Alloys and Compounds. 768:775-781
We present an efficient process to fabricate reinforced titanium α + β alloys. Porous Ti compacts containing vanadium were prepared by a metal injection molding process. Infiltration of molten Al and subsequent heat treatments were performed to syn
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bd8ea23c863c5207008fce818cb4caf5
https://doi.org/10.1016/j.jallcom.2018.07.263
https://doi.org/10.1016/j.jallcom.2018.07.263
Autor:
Ran Yoo, Hwaebong Jung, Justin Y. Jeon, Yong Sahm Choe, Wooyoung Lee, Wonhee Cho, Hyun Sook Lee
Publikováno v:
Sensors and Actuators B: Chemical. 274:527-532
In this study, we developed a breath acetone analyzer based on a miniaturized gas chromatography (GC) column integrated with ZnO quantum dots (QDs); this analyzer is capable of analyzing a wide range of breath acetone concentrations within 2 min usin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2557102c0ed17a31b17329d70f1b950f
https://doi.org/10.1016/j.snb.2018.07.144
https://doi.org/10.1016/j.snb.2018.07.144
Autor:
Young Joo Lee, Yoon S. Oh, Hongjae Moon, Wooyoung Lee, Sumin Kim, Hyun Sook Lee, Hwaebong Jung
Publikováno v:
Metals and Materials International. 24:1422-1431
We investigated the additional (secondary) cooling effect of casted strips on the magnetic properties of Nd–Fe–B sintered magnets. The Nd–Fe–B sintered magnets were fabricated with the casted strips prepared without and with additional coolin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::73ccb3375701953927d35869d6600625
https://doi.org/10.1007/s12540-018-0147-y
https://doi.org/10.1007/s12540-018-0147-y
Publikováno v:
Applied Surface Science. 420:618-624
We present the effect of multilayer deposition on the magnetic properties of MnBi thin films. The multilayered MnBi films were fabricated with alternating deposition of Bi and Mn with N ( N = 2–10) layers (L), followed by in situ thermal annealing.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::079724009b0424a31afd116fe7cc1eb8
https://doi.org/10.1016/j.apsusc.2017.05.149
https://doi.org/10.1016/j.apsusc.2017.05.149