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  1. Article

    Open Access

    Nanowire-assisted freestanding liquid metal thin-film patterns for highly stretchable electrodes on 3D surfaces

    Stretchable electronics is playing an integral role in fields such as wearable electronics and soft robots. Among soft conductive materials, liquid metal is drawing intense attention as an electrode material d...

    Minwoo Kim, Chulmin Cho, Wooseop Shin, Jung Jae Park in npj Flexible Electronics (2022)

  2. Article

    Open Access

    Foot contact forces can be used to personalize a wearable robot during human walking

    Individuals with below-knee amputation (BKA) experience increased physical effort when walking, and the use of a robotic ankle-foot prosthesis (AFP) can reduce such effort. The walking effort could be further ...

    Michael Jacobson, Prakyath Kantharaju, Hyeongkeun Jeong, Jae-Kwan Ryu in Scientific Reports (2022)

  3. No Access

    Article

    Surface Electromyography Characteristics for Motion Intention Recognition and Implementation Issues in Lower-limb Exoskeletons

    Recognizing the user’s motion intentions is a crucial challenge to develop human augmented robotic devices due to safety and easiness of interactions. Among the possible sensorial modalities, surface electromy...

    Seulki Kyeong, Jirou Feng, Jae Kwan Ryu in International Journal of Control, Automati… (2022)

  4. Article

    Open Access

    Facile fabrication of flexible metal grid transparent electrode using inkjet-printed dot array as sacrificial layer

    In this study, we introduce a flexible metal grid transparent electrode fabricated using a lift-off process. This transparent electrode consisting of metal thin film with punched-like pattern by hole array was...

    Chaewon Kim, Kunsik An, Mingu Kang, Phillip Won, Jung-Jae Park in Scientific Reports (2022)

  5. No Access

    Article

    Yield of concurrent systemic biopsy during MRI-targeted biopsy according to Prostate Imaging Reporting and Data System version 2 in patients with suspected prostate cancer

    To investigate the yield of concurrent systemic biopsy (SB) during MRI-targeted biopsy (MRTB) as Prostate Imaging Reporting and Data System (PI-RADS) version 2 (v2) interpretations in patients with suspected p...

    Chu Hyun Kim, Chan Kyo Kim, Jung Jae Park, Sung Yoon Park in European Radiology (2021)

  6. No Access

    Article

    Operation Range-Optimized Silver Nanowire Through Junction Treatment

    In past decades, stretchable conductors have been investigated for a wide range of applications, and the operation strain range of such devices varies by application. To commercialize stretchable devices, it i...

    Jae-Chan Lee, Jong-Sung Lee, Phillip Won, Jung Jae Park in Electronic Materials Letters (2020)

  7. No Access

    Article

    A Review on Hierarchical Origami and Kirigami Structure for Engineering Applications

    Origami and kirigami originally serving as the ancient papercraft techniques also provide the way of develo** functional hierarchical structures for various engineering applications, for example, stretchable...

    Jung Jae Park, Phillip Won, Seung Hwan Ko in International Journal of Precision Enginee… (2019)

  8. No Access

    Article

    The utility of CT and MRI in detecting male urethral recurrence after radical cystectomy

    To evaluate the utility of computed tomography (CT) and magnetic resonance imaging (MRI) in detecting male urethral recurrence (UR).

    Jung Jae Park, Byung Kwan Park in Abdominal Radiology (2017)

  9. No Access

    Article

    Single-phase DECT with VNCT compared with three-phase CTU in patients with haematuria

    To retrospectively evaluate the diagnostic performance of single-phase dual-energy CT (DECT) with virtual non-contrast CT (VNCT) compared with three-phase CT urography (CTU) in patients with haematuria.

    Jung Jae Park, Byung Kwan Park, Chan Kyo Kim in European Radiology (2016)

  10. No Access

    Article

    Prediction of disease progression following concurrent chemoradiotherapy for uterine cervical cancer: value of post-treatment diffusion-weighted imaging

    To investigate the value of post-treatment diffusion-weighted imaging (DWI) for predicting disease progression following concurrent chemoradiotherapy (CCRT) for cervical cancer.

    Jung Jae Park, Chan Kyo Kim, Byung Kwan Park in European Radiology (2016)

  11. No Access

    Article

    Can diffusion-weighted magnetic resonance imaging predict tumor recurrence of uterine cervical cancer after concurrent chemoradiotherapy?

    To retrospectively investigate the utility of diffusion-weighted imaging (DWI) for predicting clinical outcome after concurrent chemoradiotherapy (CCRT) in uterine cervical cancer.

    Jung Min Bae, Chan Kyo Kim, Jung Jae Park, Byung Kwan Park in Abdominal Radiology (2016)

  12. No Access

    Article

    Prostate diffusion-weighted imaging at 3T: effect of intravenous gadobutrol administration

    To investigate whether gadolinium-based contrast agent (GBCA) administration significantly affects diffusion-weighted imaging (DWI) at 3 T in the evaluation of prostate cancer and benign tissue.

    Chan Kyo Kim, Jung Jae Park, Byung Kwan Park in European Radiology (2016)

  13. No Access

    Article

    Direct and indirect imaging features of adrenohepatic fusion

    It is difficult to make a correct diagnosis when a lesion arising from adrenohepatic fusion occurs. Also, the anatomical characteristics may lead to various radiological features so that it is frequent to unde...

    Jung Jae Park, Byung Kwan Park, Chan Kyo Kim in Abdominal Radiology (2016)

  14. No Access

    Article

    CT sensitivity for adrenal adenoma according to lesion size

    To retrospectively evaluate CT sensitivity for characterizing adrenal adenoma according to lesion size.

    Sung Yoon Park, Byung Kwan Park, Jung Jae Park, Chan Kyo Kim in Abdominal Imaging (2015)

  15. No Access

    Article

    Comparison of re-biopsy with preceded MRI and re-biopsy without preceded MRI in patients with previous negative biopsy and persistently high PSA

    To retrospectively compare re-biopsy with preceded magnetic resonance imaging (MRI) and re-biopsy without preceded MRI.

    Byung Kwan Park, Seong Soo Jeon, Bumsoo Park, Jung Jae Park in Abdominal Imaging (2015)

  16. No Access

    Article

    CT sensitivities for large (≥3 cm) adrenal adenoma and cortical carcinoma

    To retrospectively compare computed tomography (CT) sensitivities of large (≥3 cm) adenoma and cortical carcinoma.

    Sung Yoon Park, Byung Kwan Park, Jung Jae Park, Chan Kyo Kim in Abdominal Imaging (2015)

  17. No Access

    Article

    Value of diffusion-weighted imaging in predicting parametrial invasion in stage IA2–IIA cervical cancer

    To investigate the value of diffusion-weighted imaging (DWI) in evaluating parametrial invasion (PMI) in stage IA2–IIA cervical cancer.

    Jung Jae Park, Chan Kyo Kim, Sung Yoon Park, Byung Kwan Park in European Radiology (2014)

  18. No Access

    Article

    Cold Spray Deposition of Copper Electrodes on Silicon and Glass Substrates

    Copper lines with widths varying from 150 to 1500 μm were deposited onto crystalline silicon wafers and soda-lime glass plates by cold spraying copper particles with 1 μm average diameter through a mask. This ...

    Do-Yeon Kim, Jung-Jae Park, Jong-Gun Lee in Journal of Thermal Spray Technology (2013)

  19. No Access

    Article

    Numerical Studies on the Effects of Stagnation Pressure and Temperature on Supersonic Flow Characteristics in Cold Spray Applications

    Low-temperature particle coating requires supersonic flow. The characteristics of this supersonic flow are investigated using a nonlinear turbulence model. The low-temperature, supersonic particle deposition t...

    Min-Wook Lee, Jung-Jae Park, Do-Yeon Kim in Journal of Thermal Spray Technology (2011)

  20. No Access

    Article

    Supersonic Nozzle Flow Simulations for Particle Coating Applications: Effects of Shockwaves, Nozzle Geometry, Ambient Pressure, and Substrate Location upon Flow Characteristics

    Characteristics of supersonic flow are examined with specific regard to nano-particle thin-film coating. Effects of shockwaves, nozzle geometry, chamber pressure, and substrate location were studied computatio...

    Jung-Jae Park, Min-Wook Lee, Sam S. Yoon in Journal of Thermal Spray Technology (2011)