"Optimal electric stimulus amplitude improves the selectivity between responses of ON versus OFF types of retinal ganglion cells"

Jae-Ik Lee and Maesoon Im, IEEE Transactions on Neural Systems and Rehabilitation Engineering (TNSRE), Vol. 27, No. 10, pp. 2015-2024, Oct. 2019

"Non-rectangular waveforms are more charge-efficient than rectangular one in eliciting network-mediated responses of ON type retinal ganglion cells"

Jae-Ik Lee and Maesoon Im, Journal of Neural Engineering (JNE), Vol.15, No.5, Art. no. 055004 (17pp), This work shows non-standard (i.e., non-rectangular) pulse waveforms can maximize the efficacy of spiking responses of retinal neurons to electric stimulation., Aug. 2018

"Electric stimulus duration alters network-mediated responses depending on retinal ganglion cell type"

Maesoon Im, Paul Werginz, and Shelley I. Fried, Journal of Neural Engineering (JNE), Vol. 15, No. 3, Art. no. 036010 (15pp), This work shows non-standard (i.e., non-rectangular) pulse waveforms can maximize the efficacy of spiking responses of retinal neurons to electric stimulation., Mar. 2018

"Charge and dielectric effects of biomolecules on electrical characteristics of nanowire FET biosensors"

Jae-Hyuk Ahn, Sung-Jin Choi, Maesoon Im, Sungho Kim, Jin-Woo Han, Chang-Hoon Kim, Jee-Yeon Kim, Tae Jung Park, Sang Yup Lee, and Yang-Kyu Choi, Applied Physics Letters, Vol. 111, No. 11, Art. no. 113701 (5pp), Sep. 2017

"Directionally selective retinal ganglion cells suppress luminance responses during natural viewing"

Maesoon Im and Shelley I. Fried, Scientific Reports, Vol. 6, Art. no. 35708 (9pp), This work resolves a long-standing paradox related to the neural computation performed by directionally selective ganglion cells of the retina as to how downstream neurons distinguish information about motion from information about luminance., Oct. 2016

"Temporal properties of network-mediated responses to repetitive stimuli are dependent upon retinal ganglion cell type"

Maesoon Im and Shelley I. Fried, Journal of Neural Engineering (JNE), Vol. 13, No. 2, Art. no. 025002 (13pp), This work offers insight to retinal prosthetics community regarding preferred stimulation rates of 5-7 Hz observed in previous clinical trials., Feb. 2016

"Indirect activation elicits strong correlations between light and electrical responses in ON but not OFF retinal ganglion cells"

Maesoon Im and Shelley I. Fried, The Journal of Physiology, Vol. 593, No. 16, pp. 3577-3596, This work is the first report providing physiological background how retinal prosthetics users perceive bright phosphenes (ON responses) with non-selective activation of ON and OFF types. (JCR Ranking 5.4%), Aug. 2015

"Label-free and real-time detection of avian influenza using nanowire field effect transistors"

Jae-Hyuk Ahn, Maesoon Im, Tae Jung Park, Sang Yup Lee, and Yang-Kyu Choi, Journal of Biomedical Nanotechnology, Vol. 11, No. 9, pp. 1640-1643, Sep. 2015

"An implantable neural probe with monolithically integrated optical waveguide and recording electrodes for optogenetics applications"

Fan Wu, Eran Stark, Maesoon Im, Il-Joo Cho, György Buzsáki, Kensall D. Wise, and Euisik Yoon, Journal of Neural Engineering (JNE), Vol. 10, No. 5, Art. no. 056012 (9pp), Selected as the Journal of Neural Engineering Highlights of 2013, Aug. 2013

"Adhesion force change by electrowetting on a polymer microlens array"

Maesoon Im, Kyungyong Choi, Dong-Haan Kim, Joo-Hyung Lee, Jun-Bo Yoon, and Yang-Kyu Choi, Journal of Adhesion Science and Technology, Vol. 26, No. 12-17, pp. 2079-2086, Invited Paper, May 2012

"Integration of field effect transistor-based biosensors with a digital microfluidic device for a lab-on-a-chip application"

Kyungyong Choi, Jee-Yeon Kim, Jae-Hyuk Ahn, Ji-Min Choi, Maesoon Im, and Yang-Kyu Choi, Lab on a Chip, Vol. 12, No. 8, pp. 1533-1539, Mar. 2012

"An underlap channel-embedded field-effect transistor for biosensor application in watery and dry environment"

Jee-Yeon Kim, Jae-Hyuk Ahn, Sung-Jin Choi, Maesoon Im, Sungho Kim, Chang-Hoon Kim, Tae Jung Park, Sang Yup Lee, and Yang-Kyu Choi, IEEE Transactions on Nanotechnology, Vol. 11, No. 2, pp. 390-394, Mar. 2012

"Droplet transportation using a pre-charging method for digital microfluidics"

Kyungyong Choi, Maesoon Im, Ji-Min Choi, and Yang-Kyu Choi, Microfluidics and Nanofluidics, Vol. 12, No. 5. pp. 821-827, Mar. 2012

"Thermofluorescent conjugated polymer sensors for nano/microscale temperature monitoring"

Oktay Yarimaga, Sumi Lee, Daeyoung Ham, Ji-Min Choi, Soon Gyu Kwon, Maesoon Im, Sungho Kim, Jong-Man Kim, and Yang-Kyu Choi, Macromolecular Chemistry and Physics, Vol. 212, No. 12, pp. 1211-1220, Highlighted as a Front Cover, Jun. 2011

"Development of a point-of-care testing platform with a nanogap-embedded separated-double gate field effect transistor array and its readout system for…"

Maesoon Im, Jae-Hyuk Ahn, Jin-Woo Han, Tae Jung Park, Sang Yup Lee, and Yang-Kyu Choi, IEEE Sensors Journal, Vol. 11, No. 2, pp. 351-360, Feb. 2011