Jong Min Kim

Seoul Medical Center, Sŏul, Seoul, South Korea

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Publications (368)1569.1 Total impact

  • Applied Physics Letters 11/2015; 107(19):191109. DOI:10.1063/1.4935611 · 3.30 Impact Factor

  • Macromolecular Research 10/2015; DOI:10.1007/s13233-015-3139-5 · 1.60 Impact Factor
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    ABSTRACT: Although precisely controlled microdomains of block copolymers (BCP) provide an excellent guiding matrix for multiple nanoparticles (NPs) to be controllably segregated into a desired polymer block, localization and positioning of individual NPs have not been demonstrated. Here, we report a unique one-to-one positioning phenomenon of guest Au NPs in the host BCP microdomains; each of polystyrene-functionalized Au NPs is embedded within the perforation domain of hexagonally perforated lamellar (HPL) morphology of poly(dimethylsiloxane-b-styrene) BCP. The local minimization of free energy achieved by the placement of Au NPs into the center of the perforation domain is theoretically supported by the self-consistent field theory (SCFT) simulation. We propose a novel design principle for more precisely controllable nanocomposites by developing a new route of NP arrangement within a polymer matrix.
    Macromolecules 10/2015; 48(21). DOI:10.1021/acs.macromol.5b01931 · 5.80 Impact Factor
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    ABSTRACT: Background: Anti-Gal is a major antibody induced in non-human primates (NHPs) after xenotransplantation. To understand the mechanism of graft rejection, we investigated the association between anti-Gal responses and graft failure in NHP recipients of porcine islet transplantation (PITx). Methods: Intraportal PITx was performed in 35 diabetic NHPs, and graft function was monitored. Early graft failure (EGF) was defined as loss of graft function within a month after PITx. Seven, 19, nine NHPs received immunosuppression (IS) without CD40 pathway blockade (Group I), with anti-CD154 (Group II), and with anti-CD40 (Group III), respectively. The anti-Gal levels on day 0 and day 7 of PITx were measured by ELISA. Results: The frequency of EGF was significantly lower in Group II (26.3%) than in Group I (100%, P=0.0012) and Group III (77.8%, P=0.0166). While levels of anti-Gal IgG in Group I and anti-Gal IgM in Group III increased on day 7 compared with day 0 (P=0.0156 and 0.0273), there was no increase in either on day 7 in Group II. The ratio of anti-Gal IgM or IgG level on day 7 to that on day 0 (Ratio7/0) was significantly higher in recipients with EGF than without EGF (P=0.0009 and 0.0027). ROC curve analysis of anti-Gal IgM Ratio7/0 revealed an area under the curve of 0.789 (P=0.0003). Conclusions: IS with anti-CD154 suppressed anti-Gal responses and prevented EGF in PITx. Anti-Gal IgM Ratio7/0, being associated with EGF, is a predictive marker for EGF.
    Annals of Laboratory Medicine 09/2015; 35(6):611-7. DOI:10.3343/alm.2015.35.6.611 · 1.48 Impact Factor
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    ABSTRACT: When severely large corneal perforation occurs, penetrating keratoplasty is a treatment of choice alternative to enucleation. A twelve-year-old male Shih Tzu was referred with perforated corneal ulcer secondary to keratoconjunctivitis sicca (KCS). Perforated cornea was directly sutured using 10-0 non-absorbable suture material, and rotational conjunctival flap was performed. However, re-perforation of cornea by wound dehiscence was observed at 1 month after operation. The yellowish lens escaped outside the orbit during corneal re-perforation, the diagnosis was re-perforated corneal ulcer, moderate corneal edema, moderate KCS (STT; 6 mm) and endophthalmitis caused by escaped lens outside orbit. Accordingly, penetrating keratoplasty (PK) and evisceration through corneal recipient site and intrascleral silicone ball prosthesis were carried out as the planned treatment, and resulted in good cosmetic improvement compared to enucliation. However, exposure of silicone ball occurred at the 9 months after the surgery due to the irritation of implant, thus enucleation was performed. In perforated large corneal ulcer with severe intraocular damage, evisceration with silicone ball insertion with PK would be alternative treatment choice to improve the cosmetic appearance. © 2015 Korean Society of Veterinary Clinics. All rights reserved.
    Journal of Veterinary Clinics 08/2015; 32(4):356. DOI:10.17555/jvc.2015.
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    ABSTRACT: Although Arg-Gly-Asp (RGD) motif-containing disintegrins are associated with integrin inhibition and the activation of various biological processes, little is known about the role of RGD motif-containing disintegrin in vascular development and remodeling. We therefore investigated the role of RGD-containing disintegrin in vascular remodeling in oxygen-induced retinopathy (OIR) mouse model. EGT022, an RGD-containing disintegrin originated from human a disintegrin and metalloproteinase 15 (ADAM15), was used to investigate the role of the disintegrin in vascular development in OIR mouse model. To analyze the functional effects of EGT022 on retinal vascular development, the immunohistochemistry on mouse retinas after fluorescein isothiocyanate (FITC) perfusion was conducted and the vessel integrity was examined using modified Mile's permeability assay. EGT022 was able to reduce overall retinopathy scores by 75%, indicating its efficacy in retinal microvessel maturation stimulation. Pericyte coverage was greatly stimulated by EGT022 treatment in OIR mouse model. EGT022 was also effective to significantly improve blood vessel integrity. RGD-containing disintegrin EGT022 stimulated vascular maturation in OIR mouse model. Experimental results suggest that EGT022 is useful for treatments to improve ischemia in nonproliferative diabetic retinopathy (NPDR), the early stage of diabetic retinopathy.
    Current eye research 07/2015; DOI:10.3109/02713683.2015.1050737 · 1.64 Impact Factor
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    ABSTRACT: The discovery of the surface-enhanced Raman scattering (SERS) effect provided a revolutionary solution to the issue of low sensitivity in Raman spectroscopy. For more widespread application of SERS analysis, however, practical fabrication of well-defined ultrasmall nanostructures having large SERS signal enhancement capability and large-area signal uniformity is still a major challenge. Here, we report that rings-in-mesh Au nanostructures, which can be obtained by the consecutive self-assembly of polystyrene nanospheres and block copolymers (BCPs) with far different length scales, provide multiple advantages for SERS analysis in terms of signal amplification and measurement reproducibility. Significant signal enhancement is achieved by the hierarchical geometry composed of a submicrometer nanomesh and sub-10-nm nanogaps, which can be obtained from the self-assembly phenomena of polystyrene nanospheres and siloxane-based BCPs, respectively. Moreover, the two-dimensionally isotropic characteristics of the concentric nanoring structures eliminate the angular dependence of the SERS signal intensity and provide excellent reproducibility of measurement over a large area.
    Chemistry of Materials 07/2015; 27(14):150714105756005. DOI:10.1021/acs.chemmater.5b01397 · 8.35 Impact Factor
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    ABSTRACT: In situ nanolithography is realized based on warm spin-casting of block copolymer solutions. This advancement is based on Si-containing block copolymers with appropriate thermodynamic driving force for spontaneous phase-separation combined with the thermal assistance provided by slight temperature elevations during the spin-casting. Sub-10 nm half-pitch nanoscale patterns are produced within 30 s without a separate annealing process. © 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
    Advanced Materials 07/2015; 27(33). DOI:10.1002/adma.201501363 · 17.49 Impact Factor
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    Joonho Bae · Ee Le Shim · Yeonsang Park · Hyunjin Kim · Jong Min Kim · C J Kang · Y J Choi ·

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    ABSTRACT: Sinus of Valsalva aneurysms are rare. Sinus of Valsalva aneurysms are frequently associated with ventricular septal defect (VSD) and aortic regurgitation. They often remain asymptomatic until abruptly presenting with acute chest pain and heart failure secondary to rupture. Here, we describe a case of 20-year-old man who presented with chest pain with a history of VSD. Initial work-up concluded that the patient had VSD associated membranous septal aneurysm. Four years later, the patient presented with symptoms of heart failure. Work-up showed that the ruptured sinus of Valsalva aneurysm was the cause of symptoms. Due to its close proximity to the aortic annulus, sinus of Valsalva aneurysm should be differentiated from membranous septal aneurysm.
    Journal of cardiovascular ultrasound 06/2015; 23(2):113-7. DOI:10.4250/jcu.2015.23.2.113
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    ABSTRACT: Phase change memory (PCM) is one of the most promising candidates for next-generation non-volatile memory devices due to its high speed, excellent reliability, and outstanding scalability. However, the high switching current of PCM devices has been a critical hurdle to realize low-power operation. Although one solution is to reduce the switching volume of the memory, the resolution limit of photolithography hinders further miniaturization of device dimensions. In this study, we employed unconventional self-assembly geometries obtained from blends of block copolymers (BCPs) to form ring-shaped hollow PCM nanostructures with an ultra-small contact area between a phase-change material (Ge2Sb2Te5) and a heater (TiN) electrode. The high-density (approximately 0.1 terabits per square inch) PCM nanoring arrays showed extremely small switching current of 2 − 3 µA. Furthermore, the relatively small reset current of the ring-shaped PCM compared to the pillar-shaped devices is attributed to smaller switching volume, which is well supported by electro-thermal simulation results. This approach may also be extended to other non-volatile memory device appli-cations such as resistive switching memory and magnetic storage devices, where the control of nanoscale geometry can significantly affect device performances.
    Chemistry of Materials 04/2015; 27(7):2673-2677. DOI:10.1021/acs.chemmater.5b00542 · 8.35 Impact Factor
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    ABSTRACT: Chronic total occlusions (CTOs) are common in patients with peripheral arterial disease (PAD). This study aimed to examine the feasibility and reliability of a CTO induced by a thin biodegradable polymer (polyglycolic acid) coated copper stent in a porcine femoral artery. Novel thin biodegradable polymer coated copper stents (9 mm long) were crimped on an angioplasty balloon (4.5 mm diameter × 12 mm length) and inserted into the femoral artery. Histopathologic analysis was performed 35 days after stenting. In five of six stented femoral arteries, severe in-stent restenosis and total occlusion with collateral circulation were observed without adverse effects such as acute stent thrombosis, leg necrosis, or death at 5 weeks. Fibrous tissue deposition, small vascular channels, calcification, and inflammatory cells were observed in hematoxylin-eosin, Carstair's, and von Kossa tissue stains; these characteristics were similar to pathological findings associated with CTOs in humans. The neointima volume measured by micro-computed tomography was 93.9 ± 4.04 % in the stented femoral arteries. CTOs were reliably induced by novel thin biodegradable polymer coated copper stents in porcine femoral arteries. Successful induction of CTOs may provide a practical understanding of their formation and application of an interventional device for CTO treatment.
    Journal of Materials Science Materials in Medicine 04/2015; 26(4):5506. DOI:10.1007/s10856-015-5506-3 · 2.59 Impact Factor
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    ABSTRACT: Flexible memory is the fundamental component for data processing, storage, and radio frequency communication in flexible electronic systems. Among several emerging memory technologies, phase-change random-access memory (PRAM) is one of the strongest candidate for next-generation nonvolatile memories due to its remarkable merits of large cycling endurance, high speed, and excellent scalability. Although there are a few approaches for flexible phase-change memory (PCM), high reset current is the biggest obstacle for the practical operation of flexible PCM devices. In this paper, we report a flexible PCM realized by incorporating nanoinsulators derived from a Si-containing block copolymer (BCP) to significantly lower the operating current of the flexible memory formed on plastic substrate. The reduction of thermal stress by BCP nanostructures enables the reliable operation of flexible PCM devices integrated with ultrathin flexible diodes during more than 100 switching cycles and 1000 bending cycles.
    ACS Nano 03/2015; 9(4). DOI:10.1021/acsnano.5b00230 · 12.88 Impact Factor
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    Jong Chul Ye · Jong Min Kim · Yoram Bresler ·
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    ABSTRACT: The multiple measurement vector problem (MMV) is a generalization of the compressed sensing problem that addresses the recovery of a set of jointly sparse signal vectors. One of the important contributions of this paper is to reveal that the seemingly least related state-of-art MMV joint sparse recovery algorithms - M-SBL (multiple sparse Bayesian learning) and subspace-based hybrid greedy algorithms - have a very important link. More specifically, we show that replacing the $\log\det(\cdot)$ term in M-SBL by a rank proxy that exploits the spark reduction property discovered in subspace-based joint sparse recovery algorithms, provides significant improvements. In particular, if we use the Schatten-$p$ quasi-norm as the corresponding rank proxy, the global minimiser of the proposed algorithm becomes identical to the true solution as $p \rightarrow 0$. Furthermore, under the same regularity conditions, we show that the convergence to a local minimiser is guaranteed using an alternating minimization algorithm that has closed form expressions for each of the minimization steps, which are convex. Numerical simulations under a variety of scenarios in terms of SNR, and condition number of the signal amplitude matrix demonstrate that the proposed algorithm consistently outperforms M-SBL and other state-of-the art algorithms.
    IEEE Transactions on Signal Processing 03/2015; DOI:10.1109/TSP.2015.2477049 · 2.79 Impact Factor
  • Jong Min Kim · Daesik Kim · Seokjoong Kim · Jin-Soo Kim ·

    Nature Communications 02/2015; 6. DOI:10.1038/ncomms5292 · 11.47 Impact Factor
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    Jong Min Kim · Jin Chul Yang · Jin Young Park ·
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    ABSTRACT: In this paper, we developed a novel molecularly imprinted conducting polymer (MICP) system consisting of porous poly(pyrrole-co-pyrrole-3-carboxylic acid) copolymer matrices for the recognition of theophylline (THEO), a drug molecule. Various porous MICP (p-MICP) films were made using colloidal lithography and examined via gravimetric technique [e.g. gold quartz crystal microbalances (QCMs)]. They showed faster sensing response than a planar MICP film due to the increased THEO binding sites obtained from porous structures. Thus, this lithographical approach to MICP sensors can enable the rebind of a specific template to be increased to achieve improved sensor capacity.
    Sensors and Actuators B Chemical 01/2015; 206:50–55. DOI:10.1016/j.snb.2014.09.047 · 4.10 Impact Factor
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    ABSTRACT: Polysaccharide, despite its effect, is hard to apply for coating on stent surface because its own properties such as insoluble in water, fragmentation and deactivation easily. The aim of this study was to optimize the coating conditions for fucoidan on a bare metal stent (BMS), and to evaluate the inhibitory effect of a fucoidan-coated stent on in-stent restenosis (ISR). Three different coating approaches were attempted (designated as multi-layer coating, single-layer coating, and dual coating). Unlike other approaches, it was hard to notice the irregular, blotched or the cracks area in the polymer on the BMS surface in dual coating group. And the release of fucoidan was continued to 24 h and inhibits smooth muscle cell proliferation, when compared to the control, with approximately 42.7% at 3 days and 51.3% at 7 days of culture. In animal study using rabbit iliac artery, histopathological restenosis area were smaller in fucoidan-coated group compared to BMS group (38.6%, p = 0.062 in 148. 9 μg/stent, and 40.6%, p = 0.048 in 250 μg/stent of fucoidan coating group at 4 weeks of post-implantation) and a lower degree of strut coverage were shown in the fucoidan-coated stent group, as compared to the BMS group. These results suggest that dual coating is an appropriate method for fucoidan coating on BMS, and its inhibitory effect can be utilized for the suppression of ISR.
    Progress in Organic Coatings 01/2015; 78:348-356. DOI:10.1016/j.porgcoat.2014.07.013 · 2.36 Impact Factor
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    Jong Min Kim · Ok Jeong Lee · I-Seok Kang · June Huh · Jinyoung Song · Geena Kim ·
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    ABSTRACT: The presence of a single coronary artery is a rare congenital anomaly; such patients often present with severe myocardial ischemia. We experienced the case of a 13-year-old girl with the right coronary artery originating from the left circumflex artery. She visited our Emergency Department owing to severe chest pain; her cardiac enzyme levels were elevated, but her initial electrocardiogram (ECG) was normal. Echocardiography showed normal anatomy and normal regional wall motion. When she presented with recurrent chest pain on admission, the ECG showed significant ST-segment elevation in the left precordial leads and inferior leads with ST-segment depression in aVR lead, suggesting myocardial ischemia, and her cardiac enzyme levels were also elevated. We performed coronary angiography that showed a single right coronary artery originating from the left circumflex artery without stenosis. We confirmed the presence of a single coronary artery using coronary computed tomography. In addition, the treadmill test that was performed showed normal results. She was discharged from the hospital without any medications but with a recommendation of a regular follow-up.
    Korean Journal of Pediatrics 01/2015; 58(1):37. DOI:10.3345/kjp.2015.58.1.37
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    ABSTRACT: Background To understand humoral responses elicited after xenotransplantation, we compared the induction of anti-non-Gal antibodies vs. anti-Gal antibodies in non-human primates (NHPs) after intraportal porcine islet transplantation (PITX).Methods Anti-Gal and anti-non-Gal IgGs were analyzed in serial plasma samples of NHP recipients after PITX by enzyme-linked immunosorbent assay (ELISA) using synthetic Gal and by flow cytometry using α-1,3-galactosyltransferase gene knockout (GTKO) porcine endothelial cells, respectively. Anti-non-Gal IgG was detected in some recipients after PITX. The specificity of anti-non-Gal IgG was investigated by two-dimensional electrophoresis of the protein extract from GTKO porcine endothelial cells, Western blot analysis of recipient pre- and post-PITX plasma, and MALDI-TOF/TOF mass spectrometry, revealing albumin, a non-glycosylated protein in the serum supplement of the islets solution, as a putative antigen for anti-non-Gal IgG. The binding of IgG antibodies to human albumin (HA), bovine albumin (BA), porcine albumin (PA), and Gal was compared by ELISA in pre- and post-PITX plasma samples of 30 NHP recipients subjected to intraportal PITX, which were grouped according to the use of CD40-CD154 blockade and sirolimus.ResultsOne of the immunoblot-matched spots was identified as BA by mass spectrometry. By ELISA, the plasma used in the immunoblot analysis revealed strong IgG binding to BA and PA, but not to HA. Anti-PA, anti-BA, and anti-Gal antibodies in NHP recipients 1 month after PITX were detected in 5 (100%), 3 (60%), and 5 (100%), respectively, of the 5 recipients receiving various immunosuppression (IS) without CD40-CD154 blockade (group I) and in 0 (0%), 0 (0%), and 4 (16%), respectively, of the 25 recipients receiving IS with CD40-CD154 blockade and sirolimus (group II). This finding revealed significant differences between the groups (P < 0.0001, P = 0.0011 and P = 0.0013, respectively). Interestingly, among 15 recipients achieving graft survival longer than 1 month in group II, anti-PA IgG was detected in only 1 recipient (6.7%) 180 days after PITX. However, an increase in anti-Gal IgG was detected in 7 recipients (46.7%) despite maintenance IS with anti-CD154 and sirolimus. This result indicates that anti-Gal IgG is more frequently induced than anti-PA IgG (P = 0.0352). Moreover, induction IS with anti-CD154 and sirolimus suppressed anti-Gal IgG, but not anti-PA and anti-BA IgG, responses in sensitized recipients given a repeat transplantation.Conclusions In NHP recipients of PITX, anti-PA and anti-BA IgG antibodies are elicited by porcine serum included as a supplement in porcine islet preparation. IS including CD40-CD154 blockade and sirolimus suppresses these antibody responses in naïve recipients, but not in sensitized recipients. The elicitation of anti-xenogenic albumin antibodies, a humoral response to a model protein antigen, is distinct from that of anti-Gal antibodies, a response to carbohydrate antigen.
    Xenotransplantation 01/2015; 22(2). DOI:10.1111/xen.12152 · 2.84 Impact Factor
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    ABSTRACT: The aim of this study was to evaluate the bone regeneration of hydroxyapatite (HA)/alumina bilayered scaffold with a 3 mm passage-like medullary canal in a beagle tibia model. A porous HA/alumina scaffold was fabricated using a polymeric template-coating technique. HA/alumina scaffold dimensions were 10 mm in outer diameter, 20 mm in length, and with either a 3 mm passage or no passage. A 20 mm segmental defect was induced using an oscillating saw through the diaphysis of the beagle tibia. The defects of six beagles were filled with HA/alumina bilayered scaffolds with a 3 mm passage or without. The segmental defect was fixated using one bone plate and six screws. Bone regeneration within the HA/alumina scaffolds was observed at eight weeks after implantation. The evaluation of bone regeneration within the scaffolds after implantation in a beagle tibia was performed using radiography, computerized tomography (CT), micro-CT, and fluorescence microscopy. New bone successfully formed in the tibia defects treated with 3 mm passage HA/alumina scaffolds compared to without-passage HA/alumina scaffolds. It was concluded that the HA/alumina bilayered scaffold with 3 mm passage-like medullary canal was instrumental in inducing host-scaffold engraftment of the defect as well as distributing the newly formed bone throughout the scaffold at 8 weeks after implantation.
    BioMed Research International 01/2015; 2015:235108. DOI:10.1155/2015/235108 · 1.58 Impact Factor

Publication Stats

11k Citations
1,569.10 Total Impact Points


  • 2015
    • Seoul Medical Center
      Sŏul, Seoul, South Korea
  • 2014-2015
    • Samsung Medical Center
      • Department of Pediatrics
      Sŏul, Seoul, South Korea
    • Daegu Fatima Hospital
      Yeoncheon Gun, South Korea
  • 2013-2015
    • Chonnam National University
      • Department of Cardiology
      Gwangju, Gwangju, South Korea
    • Ulsan University Hospital
      Ulsan, Ulsan, South Korea
    • Hyundai Motor Company
      Sŏul, Seoul, South Korea
  • 2002-2015
    • Korea Advanced Institute of Science and Technology
      • • Department of Materials Science and Engineering
      • • Department of Bio and Brain Engineering
      • • Department of Mechanical Engineering
      Sŏul, Seoul, South Korea
    • Korea Institute of Science and Technology Information (KISTI)
      Daiden, Daejeon, South Korea
  • 1998-2015
    • Seoul National University
      • • Department of Microbiology and Immunology
      • • Department of Chemistry
      • • Department of Materials Science and Engineering
      • • Department of Computer Science and Engineering
      • • Department of Neurology
      Sŏul, Seoul, South Korea
  • 1995-2015
    • Dong-A University
      • • Department of Chemical Engineering
      • • College of Medicine
      Tsau-liang-hai, Busan, South Korea
  • 2012-2014
    • University of Oxford
      • Department of Engineering Science
      Oxford, ENG, United Kingdom
    • Seoul National University Bundang Hospital
      • Department of Neurology
      Sŏul, Seoul, South Korea
    • Kyonggi University
      • Department of Convergence Security
      Sŏul, Seoul, South Korea
    • University of Ottawa
      • Department of Chemical and Biological Engineering
      Ottawa, Ontario, Canada
    • Seoul National University Hospital
      Sŏul, Seoul, South Korea
  • 2011-2014
    • MEDIPOST Biomedical Research Institute
      Sŏul, Seoul, South Korea
    • Pukyong National University
      • Department of Marine Biology
      Tsau-liang-hai, Busan, South Korea
    • Gachon University
      • Department of Electrical Engineering
      성남시, Gyeonggi-do, South Korea
  • 2009-2014
    • Kyung Hee University
      • • Department of Applied Physics
      • • Oriental Pharmaceutical Science Division
      • • College of Pharmacy
      • • Department of Life and Nanopharmaceutical Science
      Sŏul, Seoul, South Korea
    • Pusan National University
      • Department of Microbiology
      Pusan, Busan, South Korea
  • 2005-2014
    • Chung-Ang University
      • School of Mechanical Engineering
      Sŏul, Seoul, South Korea
  • 2001-2014
    • University of Ulsan
      • College of Medicine
      Urusan, Ulsan, South Korea
    • Kosin University
      • College of Medicine
      Tsau-liang-hai, Busan, South Korea
    • Dong-Eui University
      Busan, Busan, South Korea
  • 1996-2014
    • Samsung Advanced Institute of Technology
      Usan-ri, Gyeonggi Province, South Korea
    • Korea Atomic Energy Research Institute (KAERI)
      Daiden, Daejeon, South Korea
  • 2011-2013
    • Korea Advanced Nano Fab Center
      Whasung-Gun, Gyeonggi Province, South Korea
  • 2009-2013
    • Yonsei University
      • • Department of Biochemistry
      • • Department of Mechanical Engineering
      Sŏul, Seoul, South Korea
  • 2010-2012
    • SAIT Polytechnic
      Calgary, Alberta, Canada
    • Chungbuk National University
      • • Department of Veterinary Medicine
      • • College of Veterinary Medicine
      Chinsen, North Chungcheong, South Korea
    • National Institute of Environmental Research
      Sŏul, Seoul, South Korea
    • Hanyang University Medical Center
      Sŏul, Seoul, South Korea
  • 2003-2012
    • Sungkyunkwan University
      • • Institute of Basic Science
      • • School of Mechanical Engineering
      Sŏul, Seoul, South Korea
  • 1998-2012
    • Hanyang University
      • • College of Medicine
      • • Department of Chemistry
      • • Division of Chemical Engineering and Bioengineering
      Sŏul, Seoul, South Korea
  • 2010-2011
    • Yeungnam University
      • Department of Urology
      Daikyū, Daegu, South Korea
    • Sejong University
      • Faculty of Bioscience and Biotechnology
      Sŏul, Seoul, South Korea
  • 2006-2011
    • Korea Institute of Oriental Medicine
      Bucheon, Gyeonggi Province, South Korea
  • 2008-2010
    • Gyeongsang National University
      • Division of Applied Life Science
      Shinshū, South Gyeongsang, South Korea
  • 2007-2008
    • Yonsei University Hospital
      • Department of Internal Medicine
      Seoul, Seoul, South Korea
  • 2002-2006
    • Gwangju Institute of Science and Technology
      • School of Information and Communications
      Gwangju, Gwangju, South Korea
  • 2004
    • Osaka University
      • Institute of Scientific and Industrial Research
      Suika, Ōsaka, Japan
  • 1985-1987
    • Kyoto University
      • Division of Applied Life Sciences
      Kioto, Kyōto, Japan