Yong-Joon Choi
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Explore the profile of Yong-Joon Choi including associated specialties, affiliations and a list of published articles.
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20
Citations
158
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Recent Articles
1.
Kato M, Arano K, Saito M, Fujie T, Imaizumi Y, Goda T, et al.
Nanoscale
. 2025 Jan;
17(8):4365-4371.
PMID: 39878137
A process technology was developed for transferring strained graphene sheets using an elastomer nanosheet to enhance the resonance characteristics of a graphene resonator. The strain-induced graphene resonator demonstrated a 1.80-fold...
2.
Sogame R, Choi Y, Noda T, Sawada K, Takahashi K
Sensors (Basel)
. 2025 Jan;
24(24.
PMID: 39771791
Ethanol (EtOH) gas detection has garnered considerable attention owing to its wide range of applications in industries such as food, pharmaceuticals, medical diagnostics, and fuel management. The development of highly...
3.
Doi H, Muraguchi H, Horio T, Choi Y, Takahashi K, Noda T, et al.
Biosens Bioelectron
. 2024 Nov;
268:116898.
PMID: 39522470
Multi-analyte detection and imaging of extracellular chemical signaling molecules are crucial for understanding brain function and molecular pathology. In this work, we present a 6-μm-pitch, CMOS-based multichemical image sensor that...
4.
Choi Y, Nakano K, Ide T, Sakae T, Ichikawa R, Hizawa T, et al.
Biosensors (Basel)
. 2022 Nov;
12(11).
PMID: 36421151
This study proposed a filter-free wavelength sensor with a double-well structure for detecting fluorescence without an optical filter. The impurity concentration was optimized and simulated to form a double-well-structured sensor,...
5.
Noda T, Loo S, Noda Y, Akai D, Hizawa T, Choi Y, et al.
Sensors (Basel)
. 2022 Sep;
22(17).
PMID: 36081127
We examined the possibility of measuring dissolved oxygen by using a potentiometric solid-state semiconductor sensor. Thin films of tin (IV) oxide (SnO) are widely used in oxygen gas sensors. However,...
6.
Maeda T, Kanamori R, Choi Y, Taki M, Noda T, Sawada K, et al.
Sensors (Basel)
. 2022 Feb;
22(4).
PMID: 35214266
Various biosensors that are based on microfabrication technology have been developed as point-of-care testing devices for disease screening. The Fabry-Pérot interferometric (FPI) surface-stress sensor was developed to improve detection sensitivity...
7.
Doi H, Horio T, Choi Y, Takahashi K, Noda T, Sawada K
Sensors (Basel)
. 2022 Jan;
22(1).
PMID: 35009624
Adenosine 5'-triphosphate (ATP) plays a crucial role as an extracellular signaling molecule in the central nervous system and is closely related to various nerve diseases. Therefore, label-free imaging of extracellular...
8.
Takahashi T, Choi Y, Sawada K, Takahashi K
Sensors (Basel)
. 2020 Dec;
20(23).
PMID: 33266348
Disease screening by exhaled breath diagnosis is less burdensome for patients, and various devices have been developed as promising diagnostic methods. We developed a microelectromechanical system (MEMS) optical interferometric surface...
9.
Choi Y, Takahashi T, Taki M, Sawada K, Takahashi K
Biosens Bioelectron
. 2020 Nov;
172:112778.
PMID: 33157412
We demonstrated an optical interferometer-based surface-stress immunosensor using freestanding polymethyl methacrylate (PMMA)/parylene-C nanosheet with high sensitivity for detection of biomolecules. PMMA/parylene-C nanosheets were transferred onto a silicon substrate with microcavities...
10.
Choi Y, Kim I, Lee J, Park J
Sci Rep
. 2019 Jul;
9(1):10599.
PMID: 31332228
The transcription factor HIF-1 induces the expression of genes that are essential for cell survival and oxygen homeostasis in hypoxic conditions. The prolyl isomerase Pin1 plays a role in the...