"Effects on Retinal Stimulation of the Geometry and the Insertion Location of Penetrating Electrodes"

Yunseo Son*, Zhijie Charles Chen, Hyeonhee Roh, Byung Chul Lee, Maesoon Im, IEEE Transactions on Neural Systems and Rehabilitation Engineering, Early View, 1-1, Sep. 2023

"Eye-mimicked neural network composed of photosensitive neural spheroids with human opsin proteins"

Byeongho Park*, Seokyoung Bang*, Kyeong Seob Hwang*, Yeon Kyung Cha*, Jisung Kwak, Na Ly Tran, Hyo-Suk Kim, Subeen Park, Seung Ja Oh, Maesoon Im, Sooyoung Chung, Jongbaeg Kim, Tai Hyun Park, Hyun Seok Song†, Hong Nam Kim†, and Jae Hun Kim†, Advanced Materials, Early View, Art. No. 2302996, Jul. 2023, (Impact Factor 32.086, JCR Ranking 2.121%) (*These authors contributed equally.)

"A novel convex acoustic lens-attached ultrasound drug delivery system and its testing in a murine melanoma model"

Jun Hong Park*, Seunghyun Lee*, Hoyoon Jeon, Jung Hoon Kim, Da Jung Kim, Maesoon Im, and Byung Chul Lee, International Journal of Pharmaceutics, Vol. 642, Art. No. 123118, (*These authors contributed equally.) (Impact Factor 6.510, JCR Ranking 14.158%)

"Fabrication of a transparent array of penetrating 3D microelectrodes with two different heights for both neural stimulation and recording"

So-Bin Shin*, Kyeong-Taek Nam*, Hyeonhee Roh*, Shinyong Shim*, Yunseo Son, Byung Chul Lee, Yong-Kweon Kim, Seung-Ki Lee, Maesoon Im †, and Jae-Hyoung Park †, Sensors and Actuators B: Chemical, Art. No. 134184, (*These authors contributed equally.) (†Co-corresponding authors) (Impact Factor 9.221, JCR Ranking 2.344%)

"Electrically-evoked responses for retinal prostheses are differentially altered depending on ganglion cell type in outer retinal neurodegeneration cau…"

Hyeonhee Roh, Yanjinsuren Otgondemberel, Jeonghyeon Eom, Daniel Kim, and Maesoon Im, Frontiers in Cellular Neuroscience, Vol. 17, (Impact Factor 6.147)

"Short pulses of epiretinal prostheses evoke network-mediated responses in retinal ganglion cells by stimulating presynaptic neurons"

Hyeonhee Roh, Yanjinsuren Otgondemberel, and Maesoon Im, Journal of Neural Engineering, Vol. 19, Art. No. 055006, (Impact Factor 5.043)

"Ultrasound stimulation for visual prostheses"

Jaya Dilip Badadhe, Hyeonhee Roh, Byung Chul Lee, Jae Hun Kim, and Maesoon Im, Frontiers in Cellular Neuroscience, Vol. 16, (Impact Factor 6.147)

"Artificial visual information produced by retinal prostheses"

Sein Kim, Hyeonhee Roh, and Maesoon Im, Frontiers in Cellular Neuroscience, Vol. 16, Art. No. 911754 (8pp), (*These authors contributed equally.) (Impact Factor 6.147)

"Fabrication of high-density 3D microneedle array with various cross-sectional shapes"

Hyeonhee Roh*, Young Jun Yoon*, Jin Soo Park*, Dong-Hyun Kang*, Seung Min Kwak, Byung Chul Lee, and Maesoon Im, Nano-Micro Letters (NML), Vol. 14, Art. No. 24 (19pp), (*These authors contributed equally.) (Impact Factor 23.655, JCR Ranking 3.623%)

"Spiking characteristics of network-mediated responses arising in direction-selective ganglion cells of rabbit and mouse retinas"

Yanjinsuren Otgondemberel*, Hyeonhee Roh*, Shelley I. Fried, and Maesoon Im, IEEE Transactions on Neural Systems and Rehabilitation Engineering (TNSRE), Vol. 29, pp. 2445-2455, (*These authors contributed equally.) (JCR Ranking < 10%)

"A 4.49 nW/pixel light-to-stimulus duration converter based retinal prosthesis chip"

Dong-Hwi Choi, Hyeonhee Roh, Maesoon Im, and Dong-Woo Jee, IEEE Transactions on Biomedical Circuits and Systems (TBioCAS),

"Preclinical study to improve microbubble-mediated drug delivery in cancer using an ultrasonic probe with an interchangeable acoustic lens"

Seunghyun Lee, Hoyoon Joen, Shinyong Shim, Maesoon Im, Jinsik Kim, Jung Hoon Kim, Byung Chul Lee, Scientific Reports, Vol. 11, Art. no. 12654 (10pp),

"Electric stimulation elicits heterogenous responses in ON but not OFF retinal ganglion cells to transmit rich neural information"

Joon Ho Kang, Ye Ji Jang, Taegon Kim, Byung Chul Lee, Soo Hyun Lee, and Maesoon Im, IEEE Transactions on Neural Systems and Rehabilitation Engineering (TNSRE), Vol. 29, pp. 300-309,

"Fabrication of a glass micro-pipette device using reflow processes and its integration with microfluidic channels for patch clamp recording of cell"

Yoon-Jae Nam, Young Jun Yoon, Seung-ki Lee, Maesoon Im, and Jae-Hyoung Park, IEEE Sensors Journal, Vol. 20, No. 24, pp. 14694-14702,

"Versatile low-cost volumetric 3D ultrasound imaging using gimbal-assisted distance sensors and an inertial measurement unit"

Taehyung Kim, Dong-Hyun Kang, Shinyong Shim, Maesoon Im, Bo Kyoung Seo, Hyungmin Kim, and Byung Chul Lee, Sensors, Vol. 20, No. 22, Art. no. 6613 (15pp),