International Journal

JOURNAL COVER ARTICLES

Publication list

90. Eunhee Kim, Sungwoong Jeon, Yoon-Sil Yang, Chaewon Jin, Jin-Young Kim, Yong-Seok Oh, Jong-Cheol Rah, and Hongsoo Choi, “A Neurospheroid-based microrobot for targeted neural connections in a hippocampal slice.” Advanced Materials, Accepted, Jan. 2023

89. Seonhyoung Kim, Hong Goo Yeo, Jungho Tyu, and Hongsoo Choi, “Fabrication of surface-micromachined circular piezoelectric micromachined ultrasonic transducers with various etching holes using XeF2 and simulation of their vibrational characteristics.” Sensors and Actuators A: Physical, 114159, Jan. 2023

88. Awais Ahamed, Sarmad Ahmad Abbasi, Nader Latifi Gharamaleki, Jin-Young Kim, and Hongsoo Choi, “MagMaps: An economical, lego-like approach for real-time magnetic field mapping using commercial magnetic sensors.” IEEE Transactions on Instrumentation and Measurement, 9500109, Dec. 2022

87. Hanul Jung, Suhul Kwak, Hongsoo Choi, and Sehoon Oh, “Two-degree-of-freedom control of a micro-robot using a dual-rate state observer.” IEEE Transactions on Control Systems Technology, 1, Dec. 2022

86. Taehoun Roh, Hong Goo Yeo, Cheeyoung Joh, Yongrae Roh, Kyungseop Kim, Hee-seon Seo, and Hongsoo Choi, “Fabrication and underwater testing of a vector hydrophone comprising a triaxial piezoelectric accelerometer and spherical hydrophone.” Sensors, 9796, Dec. 2022

85. Hyunseok Song, Dong-in Kim, Sarmad Ahmad Abbasi, Nader Latifi Gharamaleki, Eunhee Kim, Chaewon Jin, Samhwan Kim, Junsun Hwang, Jin-Young Kim, Xiang-Zhong Chen, Bradley J. Nelson, Salvador Pane, and Hongsoo Choi, “Multi-target cell therapy using a magnetoelectric microscale biorobot for targeted delivery and selective differentiation of SH-SY5Y cells via magnetically driven cell stamping.” Materials Horizons, d2mh00693f, Sep. 2022

84. Hyunseok Song, Geon-Tae Hwang, Jungho Ryu, and Hongsoo Choi, “Stable Output Performance Generated from a Magneto-Mechano-Electric Generator having Self-Resonance Tunability with a Movable Proof Mass.” Nano Energy, 107607, Jul. 2022

83. Seungmin Noh, Sungwoong Jeon, Eunhee Kim, Untaek Oh, Danbi Park, Sun Hwa Park, Sung Won Kim, Salvador Pane, Bradley J. Nelson, Jin-young Kim, and Hongsoo Choi, “A Biodegradable magnetic microrobot based on gelatin methacrylate for precise delivery of stem cells with mass production capability.” Small, May. 2022

82. Junsun Hwang, Sungwoong Jeon, Beomjoo Kim, Jin-young Kim, Chaewon Jin, Ara Yeon, Byung-Ju Yi, Chang-Hwan Yoon, Hun-Jun Park, Salvador Pane, Bradley J. Nelson, and Hongsoo Choi, “An electromagnetically controllable microrobotic interventional system for targeted, real-time cardiovascular intervention.” Advanced Healthcare Materials, Feb. 2022

81. Awais Ahmed, Eunhee Kim, Sungwoong Jeon, Jin-Young Kim, and Hongsoo Choi, “Closed-loop temperature-controlled magnetic hyperthermia therapy with magnetic guidance of superparamagnetic iron-oxide nanoparticles.” Advanced Therapeutics, Early Access, Jan. 2022

80. Ara Yeon, Hong Goo Yeo, Yongrae Roh, Kyungseop Kim, Hee-Seon Seo, and Hongsoo Choi, “A piezoelectric micro-electro-mechanical system vector sensor with a mushroom-shaped proof mass for a dipole beam pattern.” Sensors and Actuators A: Physical, 113129, Sep. 2021

79. Sungwoong Jeon, Sun Hwa Park, Eunhee Kim, Jin-young Kim, Sung Won Kim, and Hongsoo Choi, “A Magnetically powered stem cell-based microrobot for minimally invasive stem cell delivery via the intranasal pathway in a mouse brain.” Advanced Healthcare Materials, 2100801, Jun. 2021

78. Dong Je Han, Seonwoo Kim, Hyeon Jun Heo, Chaewon Jin, Jin-young Kim, Hongsoo Choi, In Jun Park, Hong Suk Kang, Sang Goo Lee, Jong-Chan Lee, and Eun-Ho Sohn, “Poly(vinylidene fluoride)-based film with strong antimicrobial activity.” Applied Surface Science, 562, Oct. 2021

77. Jaehong Lee, Stephan J. Ihle, Guglielmo Salvatore Pellegrino, Hwajoong Kim, Junwoo Yea, Chang-Yeop Jeon, Hee-Chang Son, Chaewon Jin, Daniel Eberli, Florian Schmid, Byron Llerena Zambrano, Aline F. Renz, Csaba Forro, Hongsoo Choi, Kyung-In Jang, Roland Kung, and Janos Voros, “Stretchable and suturable fibre sensors for wireless monitoring of connective tissue strain.” Nature electronics, 298, Apr. 2021.

76. Junsun Hwang, and Hongsoo Choi, “Neutrobots smuggle drugs across biological barriers.” Science Robotics, eabh0286, Mar. 2021. (Commentary article)

75. Junhee Choi, Junsun Hwang, Jin-young Kim, and Hongsoo Choi, “Recent Progress in Magnetically Actuated Microrobots for Targeted Delivery of Therapeutic Agents.” Advanced Healthcare Materials, 202001596, Dec. 2020. (Impact factor: 6.27)

74. Jongeon Park, Jin-young Kim, Salvador Pane, Bradley J. Nelson, and Hongsoo Choi, “Acoustically Mediated Controlled Drug Release and Targeted Therapy with Degradable 3D Porous Magnetic Microrobots.” Advanced Healthcare Materials, 2001096, Oct. 2020. (Impact factor: 6.27)

73. Kyu-Jin Choi, hong Goo Yeo, Hongsoo Choi, and Dong-Woo jae, “A 28.7V Modular Supply Multiplying Pulser With 75.4% Power Reduction Relative to CV2f.” IEEE Transactions on Circuits and Systems ll: Express Briefs, Early access, Aug. 2020 (Impact fator: 2.814)

72. Eunhee Kim, Sungwoong Jeon, Hyun-Kyu An, Mehrnoosh Kianpour, Seong-Woon Yu, Jin-young Kim, Jong-Cheol Rah, and Hongsoo Choi, “A magnetically actuated microrobot for targeted neural cell delivery and selective connection of neural networks.” Science Advances, Vol. 6, Issue 39, eabb5696, Sep. 2020. (Impact factor: 13.116)

71. Eunjung Shin, Hong Goo Yeo, Ara Yeon, Changzhu Jin, Wonki Park, Sung-Chul Lee, and Hongsoo Choi, “Development of a High-Density Piezoelectric Micromachined Ultrasonic Transdcuer Array Based on Patterned Aluminum Nitride Thin Film.” Micromachines, 11, 623, Jun. 2020. (Impact factor: 2.523)

70. Seungmin Lee, Jin-young Kim, Junyoung Kim, Ali Kafash Hoshiar, Jongeon Park, Sunkey Lee, Jonghyun Kim*, Salvador Pane, Bradley J. Nelson, and Hongsoo Choi, “A Needle-type Microrobot for Targeted Drug Delivery by Affixing to a Microtissue.” Advanced Healthcare Materials, 1901697, Mar. 2020. (Impact factor: 6.27)

69. Mei Dong, Xiaopu Wang, Xiang-Zhong Chen, Fajer Mushtaq, Siyu Deng, Caihong Zhu, Harun Torlakcik, Anastasia Terzopoulou, Xiao-Hua Qin, Xuanzhong Xiao, Josep Puigmarti-Luis, Hongsoo Choi, Ana Paula Pego, Qun-dong Shen, Bradley J. Nelson, and Salvador Pane, “3D-Printed Soft Magnetoelectric Microswimmers for Delivery and Differentiation of Neuron-Like Cells.” Advanced Functional Materials, 1910323, Mar. 1st. 2020. (Impact factor: 15.621)

68. Junsun Hwang, Jin-young Kim, and Hongsoo Choi, “A Review of Magnetic Actuation Systems and Magnetically Actuated Guidewire- and Catheter-based Microrobots for Vascular Interventions.” Intelligent Service Robotics, Vol. 13, pp. 1-14, Jan. 2020. (Impact factor: 1.346)

67. Hong Goo Yeo, Joontaek Jung, Minkyung Sim, Jae Eun Jang, and Hongsoo Choi, “Integrated Piezoelectric AlN Thin Film with SU-8/PDMS Supporting Layer for Flexible Sensor Array.” Sensors, Vol. 20, Issue 1, 315 (13 pp), Jan. 2020. (Impact factor: 3.301)

66. Hong Goo Yeo, Junhee Choi, Changzhu Jin, Seonghun Pyo, Yongrae Roh, and Hongsoo Choi, “The design and optimization of a compressive-type vector sensor utilizing a PMN-28PT piezoelectric single-crystal.” Sensors, Vol. 19, Issue 19, 5155 (13 pp), Nov. 2019. (Impact factor: 3.301)

65. Jinhyung Park, Changyang Lee, Junsu Lee, Jung-Ik Ha, Hongsoo Choi, and Jin Ho Chang, “Magnetically actuated forward-looking interventional ultrasound imaging: feasibility studies.” IEEE Transactions on Biomedical Engineering, Vol. 24, Issue 3, pp. 1096-1105, Oct. 2019. (Impact factor: 4.491)

64. Ki-Won Gyak, Sungwoong Jeon, Laura Ha, Sangwon Kim, Jin-young Kim, Kwang-Sup Lee, Hongsoo Choi, and Dong-Pyo Kim, “Magnetically-actuated SiCN-based ceramic microrobot for guided cell delivery.” Advanced Healthcare Materials, Vol. 8, Issue 21, 1900739, Oct. 2019. (Featured as a back cover page) (Impact factor: 6.27)

63. Jongmoon Jang, Jin-young Kim, Yeong Cheol Kim, Sangwon Kim, Namsun Chou, Seungmin Lee, Yun-Hoon Choung, Sohee Kim, Juergen Brugger, Hongsoo Choi, and Jeong Hun Jang, “A 3D microscaffold cochlear electrode array for steroid elution.” Advanced Healthcare Materials, Vol. 8, Issue 20, 1900379, Sep. 2019. (Impact factor: 6.27)

62. Minkyung Sim, Kyunghwa Lee, Kwonsik shin, Junghee Shin, Ji-woong Choi, Hongsoo Choi, Cheil Moon, Hyunsik Kim, Yuljae Cho, Seungnam Cha, Jae-Eun Jung, Junginn Sohn, and Jae-Eun Jang, “Electronic skin to feel “pain”: detecting “prick” and “hot” pain sensations.” Soft Robotics, Vol. 6, Issue 6, pp. 745-759, Dec. 2019. (Impact factor: 6.403)

61. Jongeon Park, Chaewon Jin, Seungmin Lee, Jin-young Kim, and Hongsoo Choi “Magnetically actuated degradable microrobots for actively controlled drug release and hyperthermia therapy.” Advanced healthcare materials, Vol. 8, Issue 16, 1900213, Jul. 10th. 2019. (Impact factor: 6.27)

60. Sungwoong Jeon, Sangwon Kim, Shinwon Ha, Seungmin Lee, Eunhee Kim, Soyeon Kim, Sunhwa Park, Jungho Jeon, Sungwon Kim, Cheil Moon, Bradley J. Nelson, Jinyoung Kim, Seongwoon Yu, and Hongsoo Choi “Magnetically actuated microrobots as a platform for stem cell transplantation.” Science Robotics, Vol. 4, Issue 30, eaav4317, May 2019. (Impact factor: 19.4)

59. Junyoung Kim, Hongsoo Choi, and Jonghyun Kim, “A robust motion control with anti-windup scheme for electromagnetic actuated microrobot using time delay estimation.” IEEE/ASME Transactions on Mechatronics, Vol. 24, Issue 3. Jun. 2019. (Impact factor: 4.943)

58. Carlos C. J. Alcântara, Sangwon Kim, Sunkey Lee, Bumjin Jang, Prakash Thakolkaran, Jin-Young Kim, Hongsoo Choi, Bradley J. Nelson, and Salvador Pané, “3D fabrication of fully iron magnetic microrobots.” Small, Vol. 15, Issue 16, 1805006, Mar. 2019. (Featured as a back cover page) (Impact factor: 10.856)

57. Sungwoong Jeon, Ali Kafash Hoshiar, Kangho Kim, Seungmin Lee, Eunhee Kim, Sunkey Lee, Jin-young Kim, Bradley J. Nelson, Hyo-Jeong Cha, ByungJu Yi, and Hongsoo Choi, “A magnetically controlled soft microrobot steering a guidewire in a three-dimensional phantom vascular network.” Soft Robotics, Vol. 6, No. 1, pp. 54-68, Feb. 2019. (Featured as a cover page) (Impact factor: 6.403)

56. Ga-Yeon Kim, Mahesh Peddigari, Kyung-Won Lim, Geon-Tae Hwang, Woon-Ha Yoon, Hongsoo Choi, Jung Woo Lee, and Jungho Ryu, “Effect of thickness ratio in piezoelectric/elastic cantilever structure on the piezoelectric energy harvesting performance.” Electronic Materials Letters, Vol. 15, Issue 1, Jan. 2019. (Impact factor: 1.881)

55. Sungwoong Jeon, Ali Kafash Hoshiar, Sangwon Kim, Seungmin Lee, Eunhee Kim, Sunkey Lee, Kangho Kim, Jeonghun Lee, Jin-young Kim, and Hongsoo Choi, “Improving guidewire-mediated steerability of a magnetically actuated flexible microrobot.” Micro and Nano Systems Letters, Vol. 6, Issue 15, Dec. 2018.

54. Ali Kafash Hoshiar, Sungwoong Jeon, Kangho Kim, Seungmin Lee, Jin-young Kim, and Hongsoo Choi , “Steering algorithm for a flexible microrobot to enhance guidewire control in a coronary angioplasty application.” Micromachines, Vol. 9, Issue 12, Nov. 2018. (Featured as a issue cover page) (Impact factor: 2.426)

53. Leesun Ryu, YongJin Cheon, YangHoon Huh, Seondong Pyo, Satya Chinta, Hongsoo Choi, Rebecca A Butcher, and Kyuhyung Kim, “Feeding state regulates pheromone‐mediated avoidance behavior via the insulin signaling pathway in Caenorhabditis elegans.” The EMBO journal, Vol. 37, Issue 15, e98402, Jun. 2018. (Impact factor: 11.2)

52. Jae-Jin Song, Kyungsoo Kim, Woongsang Sunwoo, Griet Mertens, Paul Van de Heyning, Dirk De Ridder, Sven Vanneste, Sang-Youp Lee, Kyung-Joon Park, Hongsoo Choi, and Ji-Woong Choi, “Corrigendum: a quantitative electroencephalography study on cochlear implant-induced cortical changes in single-sided deafness with tinnitus.” Frontiers in Human Neuroscience, Vol. 12, Issue 46, Feb. 2018. (Impact factor: 3.209)

51. Woojin Kang, Joontaek Jung, Wonjun Lee, Jungho Ryu, and Hongsoo Choi, “A thickness-mode piezoelectric micromachined ultrasound transducer annular array using a PMN-PZT single crystal.” Journal of Micromechanics and Microengineering, Vol. 28, No. 7, 075015 (12 pp), Apr. 2018. (Impact factor: 2.141)

50. Jin-young Kim, Sanghun Jeon, Jieun Lee, Seungmin Lee, Jeonghun Lee, Byoung Ok Jeon, Jae Eun Jang, and Hongsoo Choi, “A simple and rapid fabrication method for biodegradable drug-encapsulating microrobots using laser micromachining, and characterization thereof.” Sensors & Actuators: B. Chemical, Vol. 266, pp. 276-287, Aug. 2018. (Impact factor: 6.393)

49. Samira Doostie, Ali Kafash Hoshiar, Milad Nazarahari, Seungmin Lee, and Hongsoo Choi, “Optimal path planning of multiple nanoparticles in continuous environment using a novel adaptive genetic algorithm.” Precision Engineering, Vol. 53, pp. 65-78, Jul. 2018. (Impact factor: 2.685)

48. Sunkey Lee, Seungmin Lee, Sangwon Kim, Chang-Hwan Yoon, Hun-Jun Park, Jin-young Kim, and Hongsoo Choi, “Fabrication and characterization of a magnetic drilling actuator for navigation in a three-dimensional phantom vascular network.” Scientific Reports, Vol. 8, No. 3691 (9 pp), Feb. 2018. (Impact factor: 4.122)

47. Seungmin Lee, Soyeun Kim, Sangwon Kim, Jin-young Kim, Cheil Moon, Bradley J. Nelson, and Hongsoo Choi, “A capsule-type microrobot with pick-and-drop motion for targeted drug and cell delivery.” Advanced Healthcare Materials, Vol. 7, Issue 9, 1700985, Feb. 2018. (Featured as a front cover page) (Impact factor: 6.27)

46. Eunhee Kim, Jin-young Kim, and Hongsoo Choi, “An SU-8-based microprobe with a nanostructured surface enhances neuronal cell attachment and growth.” Micro and Nano Systems Letters, Vol. 5, No. 1, 28 (8 pp), Dec. 2017.

45. Jongmoon Jang, Jeong Hun Jang, and Hongsoo Choi, “Biomimetic artificial basilar membranes for next-generation cochlear implants.” Advanced Healthcare Materials, Vol. 6, Issue 21, 1700674 (16 pp), Sep. 2017. (Featured as a front cover page) (Impact factor: 6.27)

44. Hyejin Jeon, Jongmoon Jang, Sangwon Kim, and Hongsoo Choi, “Characterization of a piezoelectric AlN beam array in air and fluid for an artificial basilar membrane.” Electronic Materials Letters, Vol. 14, Issue 1, 13391 (11 pp), Feb. 2018. (Impact factor: 1.881)

43. Wonjun Lee, Seungjun Yoo, Joontaek Jung, Woojin Kang, Wei Wang, Cheil Moon, and Hongsoo Choi “All-in-one low-intensity pulsed ultrasound stimulation system using piezoelectric micromachined ultrasonic transducer (pMUT) arrays for targeted cell stimulation”, Biomedical Microdevices, Vol. 19, No. 4, 86 (9 pp), Sep. 2017. (Impact factor: 2.327)

42. Myeongjin Hong, Leesun Ryu, Maria C. Ow, Jinmahn Kim, A Reum Je, Satya Chinta, Yang Hoon Huh, Kea Joo Lee, Rebecca A. Butcher, Hongsoo Choi, Piali Sengupta, Sarah E. Hall, and Kyuhyung Kim, “Early pheromone experience modifies a synaptic activity to influence adult pheromone-responses of C. elegans.” Current Biology, Vol. 27, Issue 20, pp 3168-3177, Oct. 2017. (Impact factor: 9.193)

41. Joontaek Jung, Wonjun Lee, Woojin Kang, EunJung Shin, Jungho Ryu, and Hongsoo Choi, “Review of piezoelectric micromachined ultrasonic transducers and their applications.” Journal of Micromechanics and Microengineering, Vol. 27, No. 11, 113001 (24 pp), Sep. 2017. (Impact factor: 1.888)

40. Jongmoon Jang, Jeong Hun Jang, and Hongsoo Choi, “MEMS flexible artificial basilar membrane fabricated from piezoelectric aluminum nitride on an SU-8 substrate.” Journal of Micromechanics and Microengineering, Vol. 27, No. 7, 075006 (10 pp), Jun. 2017. (Impact factor: 1.888)

39. Joontaek Jung, Venkateswarlu Annapureddy, Geon-Tae Hwang, Youngsup Song, Wonjun Lee, Woojin Kang, Jungho Ryu, and Hongsoo Choi, “31-mode piezoelectric micromachined ultrasonic transducer with PZT thick film by granule spraying in vacuum process.” Applied Physics Letters, Vol. 110, 212903 (5 pp), May 2017. (Impact factor: 3.495)

38. Jae-Jin Song, Kyungsoo Kim, Woongsang Sunwoo, Griet Mertens, Paul Van de Heyning, Dirk De Ridder, Sven Vanneste, Sang-Youp Lee, Kyung-Joon Park, Hongsoo Choi, and Ji-Woong Choi, “A quantitative electroencephalography on cochlear implant-induced cortical changes in single-sided deafness with tinnitus.” Frontiers in Human Neuroscience, Vol. 11, 00210, (10 pp), May. 2017. (Impact factor: 2.871)

37. Kaleem Abbas, Jaeseok Hwang, Garam Bae, Hongsoo Choi, and Dae Joon Kang, “Control of multilevel resistance in vanadium dioxide by electric field using hybrid dielectrics.” ACS Applied Materials & Interfaces, Vol. 9, No. 15, pp. 13571-13576, May. 2017. (Impact factor: 8.097)

36. Wen He, Huynh Van Ngoc, Yong Teng Qian, Jae Seok Hwang, Ya Ping Yan, Hongsoo Choi, and Dae Joon Kang, “Synthesis of ultra-thin tellurium nanoflakes on textiles for high-performance flexible and wearable nanogenerators.” Applied Surface Science, Vol. 392, No. 15, pp. 1055-1061, Jan. 2017. (Impact factor: 4.439)

35. Qi Zhou, Tristan Petit, Hongsoo Choi, Bradley J. Nelson, and Li Zhang, “ Dumbbell fluidic tweezers for dynamical trapping and selective transport of microobjects.” Advanced Functional Materials,” Vol. 27, Issue 1, 1604571 (11 pp), Nov. 2016. (Impact factor: 13.325)

34. Sangwon Kim, Seungmin Lee, and Hongsoo Choi, “Review on fabrication and manipulation of scaffold and ciliary microrobots.” Hanyang Medical Reviews, Nov. 2016.

33. Jongmoon Jang, Jang Woo Lee, Jeong Hun Jang, and Hongsoo Choi, “A triboelectric-based artificial basilar membrane to mimic cochlear tonotopy.” Advanced Healthcare Materials, Vol. 5, Issue 19, pp. 2481-2487, Jun. 2016. (Featured as a front cover page, Introduced at TVs and newspapers) (Impact factor: 5.609)

32. Sangwon Kim, Seungmin Lee, Jeonghun Lee, Li Zhang, Bradley J. Nelson, and Hongsoo Choi, “Fabrication and manipulation of ciliary microrobots with non-reciprocal magnetic actuation.” Scientific Reports, Vol. 6, No. 30713 (9 pp), Jul. 2016. (Introduced at TVs and newspapers) (Impact factor: 4.122)

31. Hyun Soo Cho, Kyu-Yup Lee, Hongsoo Choi, Jeong Hun Jang, and Sang Heun Lee, “Dexamethasone is one of the factors Minimizing the inner ear damage from electrode insertion in cochlear implantation”, Audiology and Neurotology, Vol. 21, pp. 178-186, May. 2016. (Impact factor: 2.053)

30. Eunhee Kim, Seung-Jun Yoo, Eunjung Kim, Tae-Hwan Kwon, Li Zhang, Cheil Moon, and Hongsoo Choi, “Nano-patterned SU-8 surface using nanosphere-lithography for enhanced neuronal cell growth.” Nanotechnology, Vol. 27, 175303 (9 pp), Mar. 2016. (Impact factor: 3.404)

29. Sang-Sik Shin, Hongsoo Choi, Jae-Eun Jang, and Ji-Woong Choi, “A low-complexity iterative MIMO detection and decoding scheme using dimension reduction.” Transactions on Emerging Telecommunications Technologies, Vol. 27, pp. 136-145, Jan. 2016. (Impact factor: 1.606)

28. Kyungsoo Kim, Andrea Kleine Punte, Griet Mertens, Paul Van de Heyning, Kyung-Joon Park, Hongsoo Choi, Ji-Woong Choi, and Jae-Jin Song, “A novel method for device-related electroencephalography artifact suppression to explore cochlear implant-related cortical changes in single-sided deafness.” Journal of Neuroscience Methods, Vol. 255, pp. 22-28, Nov. 2015. (Impact factor: 2.668)

27. Joontaek Jung, Wonjun Lee, Woojin Kang, Hyeryung Hong, Hi Yuen Song, Inn-yeal Oh, Chul Soon Park, and Hongsoo Choi, “A Top-crossover-to-bottom addressed segmented annular arrays using piezoelectric micromachined ultrasonic transducers.” Journal of Micromechanics and Microengineering, Vol. 25, No. 11, 115024 (10 pp), Oct. 2015. (Impact factor: 1.888)

26. Tiantian Xu, Jiangfan Yu, Xiaohui Yan, Hongsoo Choi, and Li Zhang, “Magnetic actuation based motion control for microrobots: an overview.” Micromachines, Vol. 6, pp. 1346-1364, Sep. 2015. (Impact factor: 2.222)

25. Jongmoon Jang, Jangwoo Lee, Seongyong Woo, David J. Sly, Luke J. Campbell, Jin-Ho Cho, Stephen J. O’Leary, Min-Hyun Park, Sungmin Han, Ji-Wong Choi, Jeong Hun Jang, and Hongsoo Choi, “A microelectromechanical system artificial basilar membrane based on a piezoelectric cantilever array and its characterization using an animal model.” Scientific Reports, Vol. 5, No. 12447 (13 pp), Jul. 2015. (Impact factor: 4.122)

24. Eunhee Kim, Seung-Jun Yoo, Cheil Moon, Bradley J. Nelson, and Hongsoo Choi, “SU-8-based nanoporous substrate for migration of neuronal cells.” Microelectronic Engineering, Vol. 141, pp. 173-177, Jun. 2015. (Impact factor: 2.020)

23. Yeri Jeong, Min Kyung Shim, Jeong Hee Shin, Ji-Woong Choi, Jung Inn Sohn, Seung Nam Cha, Hoongsoo Choi, Cheil Moon, and Jae Eun Jang, “Psychological tactile sensor structure based on piezoelectric nanowire cell arrays.” RSC advances, Vol. 5, pp. 40363-40368, Apr. 2015. (Impact factor: 2.936)

22. Min Young Lee, Jun Ho Lee, Ho Sun Lee, Jun-Jae Choi, Jongmoon Jang, Hongsoo Choi, Seung-ha Oh, and Jeong Hun Jang, “Continuous topical drug delivery using an osmotic pump in animal cochlear implant model: continuous steroid delivery is effective for hearing preservation.” Acta Oto-Laryngologica, Vol. 135, Issue 8, pp. 791-798, Mar. 2015. (Impact factor: 1.161)

21. Won Joon Song, Jongmoon Jang, Sangwon Kim, and Hongsoo Choi, “Influence of mechanical coupling by SiO2 membrane on the frequency selectivity of microfabricated beam arrays for artificial basilar membranes.” Journal of Mechanical science and Technology, Vol. 29, Issue 3, pp. 963-971, Mar. 2015. (Impact factor: 1.194)

20. Christian Peters, Olgaç Ergeneman, Georgios A. Sotiriou, Hongsoo Choi, Bradley J. Nelson, and Christofer Hierold, “Visible light curing of Epon SU‑8 based superparamagnetic polymer composites with random and ordered particle configurations.” ACS Applied Materials & Interfaces, Vol. 7, No. 1, pp. 193-200, Jan. 2015. (Impact factor: 8.097)

19. Won Joon Song, Jongmoon Jang, Sangwon Kim, and Hongsoo Choi, “Piezoelectric performance of continuous beam and narrow supported beam arrays for artificial basilar membranes.” Electronic Materials Letters, Vol. 10, Issue 5, pp. 1011-1018, Sep. 2014. (Impact factor: 2.882)

18. Sangwon Kim, Junman Lee, Jaewoo Nam, Bonghwan Kim, Chanseob Cho, Jungyup Kim, and Hongsoo Choi, “Design and fabrication of MEMS test socket with an attached tip for ball grid array integrated circuit package.” Journal of Mechanical Science and Technology, Vol. 28, pp. 2807-2814, Jul. 2014. (Impact factor: 1.194)

17. Jungho Ryu, Guifang Han, Tae Kwon Song, Aaron Welsh, Susan Trolier-McKinstry, Hongsoo Choi, Jong-Pil Lee, Jong-Woo Kim, Woon-Ha Yoon, Jong-Jin Choi, Dong-Soo Park, Cheol-Woo Ahn, Shashank Priya, Si-Young Choi, and Dae-Yong Jeong, “Upshift of phase transition temperature in nanostructured PbTiO3 thick film for high temperature applications.” ACS Applied Materials & Interfaces, Vol. 6, Issue 15, pp. 11980–11987, Jul. 2014. (Impact factor: 8.097)

16. Jang Bumjin, Pellicer Eva, Guerrero Miguel, Chen Xiangzhong, Hongsoo Choi, Bradley Nelson, and Sort Jordi, Pané Salvador, “Fabrication of segmented Au/Co/Au nanowires: insights in the quality of Co/Au junctions.” ACS Applied Materials & Interfaces, Vol. 6, Issue 16, pp. 14583–14589, Jul. 2014. (Impact factor: 8.097)

15. Ali Ghanbari, Pyung Hun Chang, Bradley J. Nelson, and Hongsoo Choi, “Electromagnetic steering of a magnetic cylindrical microrobot using optical feedback closed-loop control.” International Journal of Optomechatronics, Vol. 8, Issue 2, pp. 129-145, May 2014. (Impact factor: 0.882)

14. Ali Ghanbari, Pyung H Chang, Bradley J Nelson and Hongsoo Choi, “Magnetic Actuation of a Cylindrical Microrobot Using Time-delay-estimation Closed-loop Control: Modeling and Experiments.” Smart Materials and Structures, Vol. 23, No. 3, 035013, Feb. 2014. (Impact factor: 2.963)

13. Famin Qiu, Li Zhang, Kathrin E. Peyer, Marco Casarosa, Alfredo Franco-Obregón, Hongsoo Choi, and Bradley J. Nelson, “Noncytotoxic artificial bacterial flagella fabricated from biocompatible ORMOCOMP and iron coating.” Journal of Materials Chemistry B, Vol. 2, Issue 4, pp. 357-362, Jan. 2014. (Featured as a cover page) (Impact factor: 4.776)

12. Sangwon Kim, Won Joon Song, Jongmoon Jang, Jeong Hun Jang, and Hongsoo Choi, “Characterization and modeling of an acoustic sensor using AlN thin-film for frequency selectivity.” Electronic Materials Letters, Vol. 10, No. 1, pp. 299-303, Jan. 2014. (Impact factor: 2.882)

11. Joontaek Jung, Sangwon Kim, Wonjun Lee, and Hongsoo Choi, “Fabrication of a two-dimensional piezoelectric micro machined ultrasonic transducer array using a top-crossover-to-bottom structure and metal bridge connections.” Journal of Micromechanics and Microengineering, Vol. 23, No. 12, 125037, Nov. 2013. (Impact factor: 1.888)

10. Jongmoon Jang, Sangwon Kim, David J. Sly, Stephen J. O’leary, Hongsoo Choi, “MEMS piezoelectric artificial basilar membrane with passive frequency selectivity for short pulse width signal modulation.” Sensors and Actuators A: Physical, Vol. 203, pp. 6–10, Dec. 2013. (Impact factor: 2.311)

9. Sangwon Kim, Famin Qiu, Samhwan Kim, Ali Ghanbari, Cheil Moon, Li Zhang, Bradley J. Nelson, and Hongsoo Choi, “Fabrication and characterization of magnetic microrobots for three-dimensional cell culture and targeted transportation.” Advanced Materials, Vol. 25, Issue 41, pp. 5863–5868, Nov. 2013. (Featured as a front cover page, Introduced at TVs and newspapers) (Impact factor: 21.950)

8. Sangwon Kim, Won Joon Song, Jongmoon Jang, JeongHun Jang, and Hongsoo Choi, “Mechanical frequency selectivity of an artificial basilar membrane using a beam array with narrow supports.” Journal of Micromechanics and Microengineering, Vol. 23, No. 9, 095018, Aug. 2013. (Impact factor: 1.888)

7. Hongsoo Choi, Youngwon Jeon, Migyung Cho, Dong-yeon Lee, and Jaesool Shim, “Effects of cross-sectional change on the isotachphoresis process for protein-separation chip design.” Microsystem Technologies, Vol. 16, pp. 1931-1938, Jun. 2010. (Impact factor: 1.581)

6. S. Hur, S. Q. Lee, and H. Choi, “Fabrication and characterization of PMN-PT single crystal cantilever array for cochlear-like acoustic sensor.” Journal of Mechanical Science and Technology, Vol. 24, pp. 181-184, Mar. 2010. (Impact factor: 1.194)

5. Christopher Leber, Hongsoo Choi, Susmita Bose, and Amit Bandyopadhyay, “Micromachined Si Channel width and tortuosity on human osteoblast cell attachment and proliferation”, Materials Science and Engineering C, Vol. 30, No. 1, pp. 71-77, Jan. 2010. (Impact factor: 4.959)

4. H. Choi, M. J. Anderson, J. L. Ding, and A. Bandyopadhyay, “A two dimensional electromechanical composite plate model for piezoelectric micromachined ultrasonic transducers (pMUTs).”, Journal of Micromechanics and Microengineering, Vol. 20, No. 1, 015013 (12 pp), Nov. 2009. (Impact factor: 1.888)

3. H. Choi, J. L. Ding, A. Bandyopadhyay, M. J. Anderson, and S. Bose, “Characterization and modeling of a piezoelectric micromachined ultrasonic transducer with a very large length/width aspect ratio.” Journal of Micromechanics and Microengineering, Vol. 18, No. 2, 025037 (13 pp), Jan. 2008. (Impact factor: 1.888)

2. Hongsoo Choi, Jow-Lian Ding, Amit Bandyopadhyay, and Susmita Bose “Finite element analysis of piezoelectric thin film membrane structures.” IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, Vol. 54, No. 10, pp. 2036-2044, Oct. 2007. (Impact factor: 2.704)

1. Hongsoo Choi, Abhishek Dalakoti, Susmita Bose, and Amit Bandyopadhyay, “Influence of top electrode design on pMUTs performance.” Sensors and Actuators A: Physical, Vol. 135, pp. 613-619, Apr. 2007. (Impact factor: 2.311)