[033] Soojung Kim, Hyerin Song, Heesang Ahn, Taeyeon Kim, Jihyun Jung, Soo Kyung Cho, Dong-Myeong Shin, Jong-ryul Choi, Yoon-Hwae Hwang, and Kyujung Kim, "A review of advanced impedance biosensors with microfluidic chips for single cell analysis," Biosensors 11(11), 412 (2021). [LINK] (Publication date: 2021-10-22)

[032] Hyerin Song, Heesang Ahn, Taeyeon Kim, Jong-ryul Choi, and Kyujung Kim, "Localized surface plasmon fields manipulation on nanostructures using wavelength shifting," Applied Sciences 11(19), 9133 (2021). [LINK] (Publication date: 2021-09-30)

[031] Heesang Ahn, Soojung Kim, Yoonhee Kim, Seungchul Kim, Jong-ryul Choi, and Kyujung Kim, "Plasmonic sensing, imaging, and stimulation techniques for neuron studies," Biosensors and Bioelectronics 182, 113150 (2021). [LINK] (Publication date: 2021-06-15) [Press release 1] [Press release 2] [Press release 3]

[030] Jong-ryul Choi and Juyoung Park, "Investigation of an optical imaging platform integrated with an ultrasound application system for in vitro verification of ultrasound-mediated drug delivery," Applied Sciences 11(6), 2846 (2021). [LINK] (Publication date: 2021-03-22)

[029] Yoonhee Kim, Yoon Bum Lee, Seung Kuk Bae, Sung Suk Oh, and Jong-ryul Choi, "Development of a photochemical thrombosis investigation system to obtain a rabbit ischemic stroke model," Scientific Reports 11, 5787 (2021). [LINK] (Publication date: 2021-03-11)

[028] Seunghun Lee, Hyerin Song, Heesang Ahn, Seungchul Kim, Jong-ryul Choi, and Kyujung Kim, "Fiber-optic localized surface plasmon resonance sensors based on nanomaterials," Sensors 21(3), 819 (2021). [LINK] (Publication date: 2021-01-26)

[027] Gwiyeong Moon*, Jong-ryul Choi*, Changhun Lee, Youngjin Oh, Kyung Hwan Kim, and Donghyun Kim, "Machine learning-based design of meta-plasmonic biosensors with negative index metamaterials," Biosensors and Bioelectronics 164, 112335 (2020). [LINK] (Publication date: 2020-09-15) [Press release 1] [Press release 2] [Press release 3] [Press release 4] [Press release 5]

[026] Taeyeon Kim, Heesang Ahn, Hyerin Song, Kyujung Kim, and Jong-ryul Choi, "Comparative study of nanolithography based on extraordinary and diffracted optical transmissions," Optics and Laser Technology 119, 105658 (2019). [LINK] (Publication date: 2019-11-01)

[025] Hyerin Song, Heesang Ahn, Taeyeon Kim, Yeji Lee, Jong-ryul Choi, and Kyujung Kim, "Manipulation of light at the nanoscale for high-performance spectroscopic and optical applications," Applied Spectroscopy Reviews 54(6) 482-508 (2019). [LINK] (Publication date: 2019-07-05)

[024] Jong-ryul Choi, Seong-Min Kim, Rae-Hyung Ryu, Sung-Phil Kim, and Jeong-woo Sohn, "Implantable neural probes for brain-machine interface – current developments and future prospects," Experimental Neurobiology 27(6), 453-471 (2018). [LINK] (Publication date: 2018-12-28) 

[023] Sung Suk Oh, Hye Jin Park, Han Sol Min, Sang Dong Kim, Seung Kuk Bae, Jun Sik Kim, Rae-Hyung Ryu, Jong Chul Kim, Sang Hyun Kim, Seong-jun Lee, Bong Keun Kang, Jong-ryul Choi*, and Jeong-woo Sohn*, "Investigation of a photothrombosis inducing system for an observation of transient variations in an in vivo rat brain," Current Optics and Photonics 2(6), 499-507 (2018). [LINK] (Publication date: 2018-12-25)

[022] Yeji Lee, Hyerin Song, Heesang Ahn, Jong-ryul Choi, and Kyujung Kim, "Rapid and real-time diagnosis of hypoalbuminemia using an extraordinary optical transmission biosensor," Sensors and Actuators B: Chemical 274, 595-600 (2018). [LINK] (Publication date: 2018-11-20)

[021] Taerim Yoon, Chang-Seok Kim, Kyujung Kim, and Jong-ryul Choi, "Emerging applications of digital micromirror devices in biophotonic fields," Optics and Laser Technology 104, 17-25 (2018). [LINK] (Publication date: 2018-08-01)

[020] Heesang Ahn, Hyerin Song, Dong-Myeong Shin, Kyujung Kim, and Jong-ryul Choi, "Emerging optical spectroscopy techniques for biomedical applications – a brief review of recent progress," Applied Spectroscopy Reviews 53(2-4), 264-278 (2018). [LINK] (Publication date: 2018-04-21)

[019] Dong-Myeong Shin, Jong-ryul Choi, Jin-Woo Oh, Hyung Kook Kim, Dong-Wook Han, Kyujung Kim, and Yoon-Hwae Hwang, "Exploring the use of impedance spectroscopy in relaxation and electrochemical studies," Applied Spectroscopy Reviews 53(2-4), 157-176 (2018). [LINK] (Publication date: 2018-04-21)

[018] Jonghyeok Park, Hackjin Kim, Jeong-woo Sohn, Jong-ryul Choi, and Sung-Phil Kim, "EEG beta oscillations in the temporoparietal area related to the accuracy in estimating others' preference," Frontiers in Human Neuroscience 12, 43 (2018). [LINK] (Publication date: 2018-02-09)

[017] Heesang Ahn, Hyerin Song, Jong-ryul Choi, and Kyujung Kim, "A localized surface plasmon resonance sensor using double-metal-complex nanostructures and a review of recent approaches," Sensors 18(1), 98 (2018). [LINK] (Publication date: 2017-12-31)

[016] Jong-ryul Choi*, Wookeun Kim*, Bongkeun Kang, Tae-Ha Song, Hee Gyu Baek, Yeong Gil Han, Jungmoon Park, and Soowon Seo, "Investigation of an infrared temperature measurement system for thermal safety verification of plasma skin treatment devices," Current Optics and Photonics 1(5), 500-504 (2017). [LINK] (Publication date: 2017-10-25)

[015] Jong-ryul Choi*, Dong-Myeong Shin*, Hyerin Song, Donghoon Lee, and Kyujung Kim, "Current achievements of nanoparticle applications in developing optical sensing and imaging techniques," Nano Convergence 3, 30 (2016). [LINK] (Publication date: 2016-11-14)

[014] Seunghun Lee, Jong-ryul Choi, Hyerin Song, Tae Young Kang, Jin-woo Oh, and Kyujung Kim, "Optimization of a plasmon enhanced field emitter array using a nano-tip-based plasmonic double-gate structure," Journal of Lightwave Technology 34(17), 4023-4027 (2016). [LINK] (Publication date: 2016-09-01)

[013] Hong Seok Cho*, Hwa-Youn Lee*, Mun Han, Jong-ryul Choi, Sanghyun Ahn, Taekwan Lee, Yongmin Chang, and Juyoung Park, "Localized down-regulation of P-glycoprotein by focused ultrasound and microbubbles induced blood-brain barrier disruption in rat brain," Scientific Reports 6, 31201 (2016). [LINK] (Publication date: 2016-08-11)

[012] Youngjin Oh*, Kyujung Kim*, Seonhee Hwang, Heesang Ahn, Jin-Woo Oh, and Jong-ryul Choi, "Recent advances of nanostructure implemented spectroscopic sensors – a brief overview," Applied Spectroscopy Reviews 51(7-9), 656-668 (2016). [LINK] (Publication date: 2016-08-08)

[011] Hyerin Song*, Jong-ryul Choi*, Wonju Lee, Dong-Myeong Shin, Donghyun Kim, Dongyun Lee, and Kyujung Kim, "Plasmonic signal enhancements using randomly distributed nanoparticles on a stochastic nanostructure substrate," Applied Spectroscopy Reviews 51(7-9), 646-655 (2016). [LINK] (Publication date: 2016-08- 08)

[010] Jong-ryul Choi*, Hyerin Song*, Jong Hwan Sung, Donghyun Kim, and Kyujung Kim, "Microfluidic assay-based optical measurement techniques for cell analysis: a review of recent progress," Biosensors and Bioelectronics 77, 227-236 (2016). [LINK] (Publication date: 2016-03-15)

[009] Youngjin Oh, Taehwang Son, Sook Young Kim, Wonju Lee, Heejin Yang, Jong-ryul Choi, Jeon-Soo Shin, and Donghyun Kim, "Surface plasmon-enhanced nanoscopy of intracellular cytoskeletal actin filaments using random nanodot arrays," Optics Express 22(22), 27695-27706 (2014). [LINK] (Publication date: 2014-11-03)

[008] Jong-ryul Choi, Seunghun Lee, and Kyujung Kim, "Plasmon based super resolution imaging for single molecular detection: Breaking the diffraction limit," Biomedical Engineering Letters 4(3), 231-238 (2014). [LINK] (Publication date: 2014-10-18)

[007] Jungwoo Lee, Jong-ryul Choi, Sang Keun Ha, Inwook Choi, Seung Hwan Lee, Donghyun Kim, Nakwon Choi, and Jong Hwan Sung, "A microfluidic device for evaluating the dynamics of metabolism-dependent antioxidant activity of nutrients," Lab on a Chip 14(16), 2948-2957 (2014). [LINK] (Publication date: 2014-08-21)

[006] Jong-ryul Choi*, Kyujung Kim*, Youngjin Oh, Ah Leum Kim, Sook Young Kim, Jeon-Soo Shin, and Donghyun Kim,  "Extraordinary transmission based plasmonic nanoarrays for axially super-resolved cell imaging," Advanced Optical Materials 2(1), 48-55 (2014). [LINK] (Publication date: 2014-01-13) [Press release 1] [Press release 2]

[005] Jong-ryul Choi and Donghyun Kim, "Notch spatial filtering of image artifacts for structured illumination microscopy of cell-based assays," Optics Communications 308, 142-146 (2013). [LINK] (Publication date: 2013-11-01)

[004] Jong-ryul Choi and Donghyun Kim, "Enhanced image reconstruction of 3D fluorescent assays by subtractive structured light illumination microscopy," Journal of the Optical Society of America A 29(10), 2165-2173 (2012). [LINK] (Publication date: 2012-10-01)

[003] Jong-ryul Choi, Kyujung Kim, and Donghyun Kim, "In situ fluorescence optical detection using a digital micromirror device (DMD) for 3D cell-based assays," Journal of the Optical Society of Korea 16(1), 42-46 (2012). [LINK] (Publication date: 2012-03-01)

[002] Jong-ryul Choi, Jong Hwan Sung, Michael Louis Shuler, and Donghyun Kim, "Investigation of portable in situ fluorescence optical detection for microfluidic 3D cell culture assays," Optics Letters 35(9), 1374-1376 (2010). [LINK] (Publication date: 2010-05-01)

[001] Jong Hwan Sung, Jong-ryul Choi, Donghyun Kim, and Michael Louis Shuler, "Fluorescence optical detection in situ for real-time monitoring of cytochrome P450 enzymatic activity of liver cells in multiple microfluidic devices," Biotechnology and Bioengineering 104(3), 516-525 (2009). [LINK] (Publication date: 2009-10-15)

BOOK CHAPTERS

[002] Seunghun Lee, Hyerin Song, Seonhee Hwang, Jong-ryul Choi, and Kyujung Kim, "Development of extraordinary optical transmission-based techniques for biomedical applications," A. H. P. Ho, D. Kim, and M. G. Somekh, ed., Handbook of Photonics for Biomedical Engineering, Springer Netherlands, pp. 871-892 (2017). [LINK] (Available online: 2015-12-22, Publication data: 2017-04-26)

[001] Youngjin Oh, Jong-ryul Choi, Wonju Lee, and Donghyun Kim, "Surface plasmon enhanced super-localization microscopy," A. H. P. Ho, D. Kim, and M. G. Somekh, ed., Handbook of Photonics for Biomedical Engineering, Springer Netherlands, pp. 545-584 (2017). [LINK] (Available online: 2014-09-27, Publication data: 2017-04- 26)

PROCEEDING ARTICLES

[009] Gwiyeong Moon, Jong-ryul Choi, Changhun Lee, Youngjin Oh, Kyung Hwan Kim, and Donghyun Kim, "Machine learning improves the way to design meta-plasmonic biosensors," the Proceedings of SPIE Vol. 11661: Plasmonics in Biology and Medicine XVIII, 116610P (2021). [LINK] (Publication date: 2021-03-05).

[008] Hyerin Song, Jong-ryul Choi, Wonju Lee, Donghyun Kim, and Kyujung Kim, "The gap-plasmonic effect induced on a silver nanoisland substrate for surface-enhanced Raman spectroscopy," the Proceedings of SPIE Vol. 9523: International Conference on Nano-Bio Sensing, Imaging, and Spectroscopy 2015, 95230D (2015). [LINK] (Publication date: 2015-07-08).

[007] Wonju Lee, Jong-ryul Choi, Kyujung Kim, Youngjin Oh, Taehwang Son, Heejin Yang, and Donghyun Kim, "Subdiffraction-limited axial imaging of live cells using linear nanoaperture arrays based on extraordinary transmission," the Proceedings of SPIE Vol. 9523: International Conference on Nano-Bio Sensing, Imaging, and Spectroscopy 2015, 95230H (2015). [LINK] (Publication date: 2015-07-08). 

[006] Wonju Lee, Youngjin Oh, Jong-ryul Choi, Kyujung Kim, and Donghyun Kim, "Extraordinary transmission-based super-resolved axial imaging using subwavelength metallic nanoaperture array," the Proceedings of SPIE Vol. 9337: Nanoscale Imaging, Sensing, and Actuation for Biomedical Applications XII, 93370A (2015). [LINK] (Publication date: 2015-03-19)

[005] Jong-ryul Choi and Donghyun Kim, "Fluorescence image detection and reconstruction by subtractive light illumination using a digital micromirror device," the Proceedings of SPIE Vol. 8618: Emerging Digital Micromirror Device Based Systems and Applications V, 861808 (2013). [LINK] (Publication date: 2013-03-08)

[004] Jong-ryul Choi, Youngjin Oh, and Donghyun Kim, "Design of multiple nanoring-based metallic nanophotonic superlens," the Proceedings of SPIE Vol. 8264: Integrated Optics: Devices, Materials, and Technologies XVI, 82641A (2012). [LINK] (Publication date: 2012-02-09)

[003] Youngjin Oh, Jong-ryul Choi, Kyujung Kim, and Donghyun Kim, "Enhanced light transmission through a metallic nanolens consisting of multiple nanorings," the Proceedings of SPIE Vol. 7941: Integrated Optics: Devices, Materials, and Technologies XV, 794119 (2011). [LINK] (Publication date: 2011-02-08)

[002] Jong-ryul Choi, Jong Hwan Sung, Michael Louis Shuler, and Donghyun Kim, "Confocal fluorescence detection of cell-based assays using a digital micromirror device," the Proceedings of SPIE Vol. 7596: Emerging Digital Micromirror Device Based Systems and Applications II, 759608 (2010). [LINK] (Publication date: 2010-02- 10)

[001] Jong-ryul Choi, Jong Hwan Sung, Michael Louis Shuler, and Donghyun Kim, "Confocal fluorescence detection for 3D cultured mammalian cells in a microfluidic cell culture system," the Proceedings of SPIE Vol. 7586: Imaging, Manipulation, and Analysis of Biomolecules, Cells, and Tissues VIII, 75680X (2010). [LINK] (Publication date: 2010-02-24)