191

Gihyun Lee, Soo Jee Kim, Yejin Choi, Jongho Park, Je-Kyun Park, "Bioprinting of a multi-composition array to mimic intra-tumor heterogeneity of glioblastoma for drug evaluation," Microsyst. Nanoeng., 10, 186 (2024). OPEN ACCESS 
Supporting Info. (pdf, 457 KB)

190

Gihyun Lee, Soo Jee Kim, Je-Kyun Park, "Bioprinted multi-composition array mimicking tumor microenvironments to evaluate drug efficacy with multivariable analysis," Adv. Healthcare Mater., 13 (22), 2303716 (2024).  OPEN ACCESS
Supporting Info.: Word (docx, 4.9 MB), Video S1 (mp4, 3.3 MB), and Video S2 (mp4, 663.4 KB)  
Hot Topic: Microfluidics
Hot Topic: Tumors and Cancer

189

Hwisoo Kim, Bumsoo Kim, Soo Jee Kim, Yejin Choi, Irene Hae-Rim Kim, Jieun Han, Young-Gyun Park, Yong-Mahn Han, Je-Kyun Park, "Reconfigurable hanging drop microarray platform for on-demand preparation and analysis of spheroid array," Adv. Healthcare Mater., 13 (22), 2400501 (2024).    OPEN ACCESS
Supporting Info.: Word (docx, 11.9 MB), Video S1 (mp4, 4.2 MB), Video S2 (mp4, 7.9 MB, Video S3 (mp4, 817.7 KB), Video S4 (mp4, 1.2 MB), and Video S5 (mp4, 2.2 MB)  
Hot Topic: Tumors and Cancer
Featured on the Frontispiece in Advanced Healthcare Materials

188

Dong Hyun Han, Gihyun Lee, Untaek Oh, Yejin Choi, Je-Kyun Park, "Evaluation of fluid behaviors in a pushbutton-activated microfluidic device for user-independent flow control," Micromachines, 15 (4), 465 (2024).     OPEN ACCESS
The first two authors contributed equally to this work.   
Feature Paper / Editor's Choice

187

Soo Jee Kim, Gihyun Lee, Je-Kyun Park, "Hybrid biofabrication of heterogeneous 3D constructs using low-viscosity bioinks," ACS Appl. Mater. Inter., 15 (35), 41247-41257 (2023).   
Supporting Info. (pdf, Movie S1, Movie S2, and Movie S3)  

186

Gihyun Lee, Soo Jee Kim, Je-Kyun Park, "Fabrication of a self-assembled and vascularized tumor array via bioprinting on a microfluidic chip," Lab Chip, 23 (18), 4079-4091 (2023).  
Supporting Info. (pdf, Video S1)  

185

Dong Hyun Han, Untaek Oh, Je-Kyun Park, "Characterization of PDMS microchannels using horizontally or vertically formed 3D-printed molds by digital light projection," ACS Omega, 8 (21), 19128-19136 (2023).    OPEN ACCESS
Supporting Info. (pdf, 493 KB)
The first two authors contributed equally to this work.  

184

Jieun Han, Hye Jin Lim, Juhwan Park, Dong Hyun Han, Dong-Myung Kim, Je-Kyun Park, "On-chip microfluidic dual detection of amino acid metabolism disorders using cell-free protein synthesis," Biosens. Bioelectron., 222, 114936 (2023).  
Supporting Info.: Video S1 (mp4, 4 MB), Word (docx, 8 MB) 

183

Gihyun Lee, Soo Jee Kim, Je-Kyun Park, "Bioprinting of heterogeneous and multilayered cell-hydrogel constructs using continuous multi-material printing and aerosol-based crosslinking," STAR Protocols, 3 (2), 101303 (2022).  OPEN ACCESS
https://star-protocols.cell.com/protocols/1564
Supporting Information: Movie 1 (mp4, 39.8 MB), Movie 2 (mp4, 25.7 MB) 

182

Soo Jee Kim, Gihyun Lee, Je-Kyun Park, "Direct microextrusion printing of a low viscosity hydrogel on a supportive microstructured bioprinting substrate for the vasculogenesis of endothelial cells," Adv. Mater. Technol., 7 (8), 2101326 (2022).
Supporting Info. (pdf, 940.9 KB), Supporting Movie 1 (mp4, 3.8 MB), and Movie 2 (mp4, 9.1 MB)

181

Hyewon Roh, Hwisoo Kim, Je-Kyun Park, "Construction of a fibroblast-associated tumor spheroid model based on a collagen drop array chip," Biosensors, 11 (12), 506 (2021).   OPEN ACCESS
Supporting Info. (pdf, 729 KB)

180

Minkyung Cho, Je-Kyun Park, "Modular 3D in vitro artery-mimicking multichannel system for recapitulating vascular stenosis and inflammation," Micromachines, 12 (12), 1528 (2021).   OPEN ACCESS
Supporting Info. (pdf, 806 KB)

179

Ariel J. Lee, Dongjo Yoon, SeungYoon Han, Herve Hugonnet, WeiSun Park, Je-Kyun Park, Yoonkey Nam, YongKeun Park, "Label-free monitoring of 3D cortical neuronal growth in vitro using optical diffraction tomography," Biomed. Opt. Express, 12 (11), 6928-6939 (2021).  OPEN ACCESS

178

Gihyun Lee, Soo Jee Kim, Honggu Chun, Je-Kyun Park, "Multilayered and heterogeneous hydrogel construct printing system with crosslinking aerosol," Biofabrication, 13 (4), 045027 (2021).   
Supporting Info.: Word (docx, 3.47 MB), Movie 1 (mp4, 1.08 MB) 

177

Hwisoo Kim, Hyewon Roh, Haseong Kim, Je-Kyun Park, "Droplet contact-based spheroid transfer technique as a multi-step assay tool for spheroid arrays," Lab Chip, 21 (21), 4155-4165 (2021).    
Supporting Info. (pdf, 547 KB), Movie 1 (mp4, 3064 KB), Movie 2 (mp4, 5376 KB), and Movie 3 (mp4, 540 KB)

176

Chang Hyun Cho, Minkyung Cho, Je-Kyun Park, "Biomarker barcodes: multiplexed microfluidic immunohistochemistry enables high-throughput analysis of tissue microarray," Lab Chip, 21 (18), 3471-3482 (2021).   
Supporting Info. (pdf, 868 KB)

Selected as part of the themed collection: Lab on a Chip HOT Articles 2021  

175

Juhwan Park, Je-Kyun Park, "Pushbutton-activated microfluidic cartridge as a user-friendly sample preparation tool for diagnostics," Biomicrofluidics, 15 (4), 041302 (2021).  
Invited Perspective
Featured Article (July 9, 2021)

Highlighted in AIP Scilight (Advances in design position push-button mechanisms for future use in biomicrofluidic applications --- by Adam Liebendorfer)

174

Juhwan Park, Kyoung G. Lee, Dong Hyun Han, Ji-Soo Lee, Seok Jae Lee, Je-Kyun Park, "Pushbutton-activated microfluidic dropenser for droplet digital PCR," Biosens. Bioelectron., 181, 113159 (2021).  
Supporting Info.: Video S1 (mp4, 654 KB), Word (docx, 2 MB)

173

Jaejung Son, Hee-Hoon Kim, Jun-Hee Lee, Won-Il Jeong, Je-Kyun Park, "Assembly and disassembly of the micropatterned collagen sheets containing cells for location-based cellular function analysis," BioChip J., 15 (1) 77-89 (2021).
Featured on the Cover Article    
Supporting Info. (docx, 1804 KB)

172

Ga-Yeong Kim, Jaejung Son, Jong-In Han, Je-Kyun Park, "Inertial microfluidics-based separation of microalgae using a contraction–expansion array microchannel," Micromachines, 12 (1), 97 (2021).     OPEN ACCESS
 Supporting Info. (pdf, 169 KB)

171

Yoo Min Park, Juhwan Park, Sun Young Lim, Yeji Kwon, Nam Ho Bae, Je-Kyun Park, Seok Jae Lee, "Integrated pumpless microfluidic chip for the detection of foodborne pathogens by polymerase chain reaction and electrochemical analysis," Sens. Actuators B Chem., 329, 129130 (2021).
The first two authors contributed equally to this work.  

170

Haewon Seo, Jaejung Son, Je-Kyun Park, "Controlled 3D co-culture of beta cells and endothelial cells in a micropatterned collagen sheet for reproducible construction of an improved pancreatic pseudo-tissue," APL Bioeng., 4 (4), 046103 (2020).    OPEN ACCESS
The first two authors contributed equally to this work.

169

Minkyung Cho, Je-Kyun Park, "Fabrication of a perfusable 3D in vitro artery-mimicking multichannel system for artery disease models," ACS Biomater. Sci. Eng., 6 (9), 5326-5336 (2020).   
Supporting Info. (pdf, 541 KB) 

168

Juhwan Park, Hwisoo Kim, Je-Kyun Park, "Microfluidic channel-integrated hanging drop array chip operated by pushbuttons for spheroid culture and analysis," Analyst, 145 (21), 6974-6980 (2020).   
Supporting Info. (pdf, 349 KB), Movie 1 (mp4, 273 KB)

167

Juhwan Park, Dong Hyun Han, Sang-Hyun Hwang, Je-Kyun Park, "Reciprocating flow-assisted nucleic acid purification using a finger-actuated microfluidic device," Lab Chip, 20 (18), 3346-3353 (2020).  
The first two authors contributed equally to this work.  
Supporting Info. Movie 1 (mp4, 2535 KB), Movie 2 (mp4, 2829 KB)

166

Chi Hyun Kim, Juhwan Park, Soo Jee Kim, Dae-Hyun Ko, Song Ha Lee, Seok Jae Lee, Je-Kyun Park, Moon-Keun Lee, "On-site extraction and purification of bacterial nucleic acids from blood samples using an unpowered microfluidic device," Sens. Actuators B Chem., 320, 128346 (2020).
The first two authors contributed equally to this work.  
Supporting Info. (docx, 44 KB)  

165

Younggeun Jo, Juhwan Park, Je-Kyun Park, "Colorimetric detection of Escherichia coli O157:H7 with signal enhancement using size-based filtration on a finger-powered microfluidic device," Sensors, 20 (8) 2267 (2020).    OPEN ACCESS
The first two authors contributed equally to this work.

164

Juhwan Park, Dong Hyun Han, Je-Kyun Park, "Towards practical sample preparation in point-of-care testing: user-friendly microfluidic devices," Lab Chip, 20 (7), 1191-1203 (2020).  
Critical Review  
Featured on the Inside Back Cover Article  

163

Youn-Hee Park, Je-Kyun Park, "Light gradient-based screening of Arabidopsis thaliana on a 384-well type plant array chip," Micromachines, 11 (2), 191 (2020).     OPEN ACCESS
Invited paper for special Issue "10th Anniversary of Micromachines"
Supporting Info. (docx, 881 KB, Video S1, 719 KB)   

162

Young Lee, Soo Jee Kim, Je-Kyun Park, "Chips-on-a-plate device for monitoring cellular migration in a microchannel-based intestinal follicle-associated epithelium model," Biomicrofluidics, 13 (6), 064127 (2019).   
Supporting Info. (docx, 273KB)

161

Juhwan Park, Je-Kyun Park, "Finger-actuated microfluidic display for smart blood typing," Anal. Chem., 91 (18), 11636-11642 (2019). 
Supporting Info. (pdf, 1.32 MB), Movie (mp4, 429 KB)

160

Juhwan Park, Je-Kyun Park, "Integrated microfluidic pumps and valves operated by finger actuation," Lab Chip, 19 (18), 2973-2977 (2019).
Supporting Info. (pdf, 291 KB), Movie (mp4, 1491 KB)

159

Amanzhol Kurmashev, Seyong Kwon, Je-Kyun Park, Joo H. Kang, "Vertically sheathing laminar flow-based immunoassay using simultaneous diffusion-driven immune reactions," RSC Adv., 9 (41), 23791-23796 (2019). OPEN ACCESS
The first two authors contributed equally to this work.   
Supporting Info. (pdf, 201 KB) 

158

Young Lee, Gihyun Lee, Minkyung Cho, Je-Kyun Park, "Design criteria and standardization of a microfluidic cell culture system for investigating cellular migration," J. Micromech. Microeng., 29 (4), 043003 (2019).
Invited Topical Review 

157

Juhwan Park, Hyewon Roh, Je-Kyun Park, "Finger-actuated microfluidic concentration gradient generator compatible with a microplate," Micromachines, 10 (3), 174 (2019).  OPEN ACCESS
The first two authors contributed equally to this work.

156

Jaejung Son, Min Seo Bang, Je-Kyun Park, "Hand-maneuverable collagen sheet with micropatterns for 3D modular tissue engineering," ACS Biomater. Sci. Eng., 5 (1), 339-345 (2019).  
Supporting Info. (pdf, 828 KB)

155

Ga-Yeong Kim, Jong-In Han, Je-Kyun Park, "Inertial microfluidics-based cell sorting," BioChip J., 12 (4), 257-267 (2018).
Review Article

154

Chang Hyun Cho, Seyong Kwon, Segi Kim, Yoonmi Hong, Pilnam Kim, Eun Sook Lee, Je-Kyun Park, "Microfluidic on-chip immunohistochemistry directly from a paraffin-embedded section," Biomicrofluidics, 12 (4), 044110 (2018).
Supporting Info. (doc, 1.38 MB)
Selected in an Editors's Pick (July 9, 2018)

153

Hwisoo Kim, Chang Hyun Cho, Je-Kyun Park, "High-throughput culture and embedment of spheroid array using droplet contact-based spheroid transfer," Biomicrofluidics, 12 (4), 044109 (2018).
Supporting Info. (doc, 3 MB, video mp4, 572 KB)
Featured Article (July 1, 2018)

Highlighted in AIP Scilight (Simple devices enhance the embedment of spheroids into hydrogel arrays --- by Mary Alexandra Agner)

152

Seonhee Lee, Juhwan Park, Je-Kyun Park, "Foldable paper-based analytical device for the detection of an acetylcholinesterase inhibitor using an angle-based readout," Sens. Actuators B Chem., 273, 322-327 (2018).

151

Juhwan Park, Je-Kyun Park, "Finger-actuated microfluidic device for the blood-cross matching test," Lab Chip, 18 (8), 1215-1222 (2018).
Supporting Info. (pdf, 526 KB) 

150

Fengshan Shen, Je-Kyun Park, "Toxicity assessment of iron oxide nanoparticles based on cellular magnetic loading using magnetophoretic sorting in a trapezoidal microchannel," Anal. Chem., 90 (1), 920-927 (2018).
Supporting Information: Movie (mp4, 6.53 MB)

149

Joong Ho Shin, Jisoo Hong, Hyeyun Go, Juhwan Park, Minsuk Kong, Sangryeol Ryu, Kwang-Pyo Kim, Eunjung Roh, Je-Kyun Park, "Multiplexed detection of foodborne pathogens from contaminated lettuces using a handheld multistep lateral flow assay device," J. Agric. Food Chem., 66 (1), 290-297 (2018).  
The first two authors contributed equally to this work.
Supporting Info. (pdf, 194.55 KB)

148

Young Lee, Je-Kyun Park, "Microfabricated cell culture system for the live cell observation of the multilayered proliferation of undifferentiated HT-29 cells," BioChip J., 11 (4), 308-315 (2017).

147

Youn-Hee Park, Nayoung Lee, Giltsu Choi, Je-Kyun Park, "Plant array chip for the germination and growth screening of Arabidopsis thaliana," Lab Chip, 17 (18), 3071-3077 (2017).   
Supporting Info. (pdf, 481 KB)
Featured on the Inside Back Cover Article

146

GwangSik Park, Dongsik Han, GwangSu Kim, Seungwoo Shin, Kyoohyun Kim, Je-Kyun Park, YongKeun Park, "Visualization and label-free quantification of microfluidic mixing using quantitative phase imaging," Appl. Optics, 56 (22), 6341-6347 (2017).  
The first three authors contributed equally to this work.

145

Minsuk Kong, Joong Ho Shin, Sunggi Heu, Je-Kyun Park, Sangryeol Ryu, "Lateral flow assay-based bacterial detection using engineered cell wall binding domains of a phage endolysin," Biosens. Bioelectron., 96, 173-177 (2017).    
The first two authors contributed equally to this work.
Supporting Info. (docx, 1.68 MB)

144

Chae Yun Bae, Jaejung Son, Hail Kim, Je-Kyun Park, "Demonstration of interposed modular hydrogel sheet for multicellular analysis in a microfluidic assembly platform," Sci. Rep., 7, 1289 (2017).    OPEN ACCESS
Supporting Info. (pdf, 1.91 MB)

143

Seyong Kwon, Chang Hyun Cho, Youngmee Kwon, Eun Sook Lee, Je-Kyun Park, "A microfluidic immunostaining system enables quality assured and standardized immunohistochemical biomarker analysis," Sci. Rep., 7, 45968 (2017).     OPEN ACCESS

142

Younggeun Jo, Young Ki Hahn, Je-Kyun Park, "A magnetophoresis-based microfluidic platform under a static-fluid environment," Microfluid. Nanofluid., 21 (4), 74 (2017).

141

Juhwan Park, Je-Kyun Park, "Pressed region integrated 3D paper-based microfluidic device that enables vertical flow multistep assays for the detection of C-reactive protein based on programmed reagent loading," Sens. Actuators B Chem., 246, 1049-1055 (2017).
Supporting Info. (doc, 991 KB) 

140

Segi Kim, Seyong Kwon, Chang Hyun Cho, Je-Kyun Park, "Pipetting-driven microfluidic immunohistochemistry platform to facilitate enhanced immunoreaction and effective use of antibodies," Lab Chip, 17 (4), 702-709 (2017).    
The first two authors contributed equally to this work.
Supporting Info. (pdf, 323 KB), Movie (mp4, 131 KB)

139

Sang-Gil Park, Youngseop Lee, Seyong Kwon, SeokJae Yoo, Q-Han Park, Je-Kyun Park, Ki-Hun Jeong, "Extraordinary figure-of-merit of magnetic resonance from ultrathin silicon nanohole membrane as all-dielectric metamaterial," Adv. Opt. Mater., 5 (3), 1600628 (2017).
Featured on the Inside Front Cover Article  

138

Joong Ho Shin, Juhwan Park, Je-Kyun Park, "Organic solvent and surfactant resistant paper-fluidic devices fabricated by one-step embossing of nonwoven polypropylene sheet," Micromachines, 8 (1), 30 (2017).  OPEN ACCESS
Supporting Info. (pdf, 904 KB) 

137

Hyun Ji Gi, Dongsik Han, Je-Kyun Park, "Optoelectrofluidic printing system for fabricating hydrogel sheets with on-demand patterned cells and microparticles," Biofabrication, 9 (1), 015011 (2017).  
Supporting Info. (pdf, 320 KB), Video 1 (mp4, 1.05 MB), Video 2 (mp4, 1,68 MB)  

136

Chang Hyun Cho, Seyong Kwon, Je-Kyun Park, "Assembly of hydrogel units for 3D microenvironment in a poly(dimethylsiloxane) channel," Micro Nano Syst. Lett., 5, 2 (2017). OPEN ACCESS

135

Joong Ho Shin, Je-Kyun Park, "Functional packaging of lateral flow strip allows simple delivery of multiple reagents for multistep assays," Anal. Chem., 88 (21), 10374-10378 (2016).  
Supporting Info. (pdf, 1.85 MB)  

134

Dongsik Han, Je-Kyun Park, "Microarray-integrated optoelectrofluidic immunoassay system," Biomicrofluidics, 10 (3), 034106 (2016).  
Supporting Info. (doc, 358 KB) 

Highlighted on the Biomicrofluidics Facebook page (Share this #‎BMFEditorsPick!)

133

Younggeun Jo, Fengshan Shen, Young Ki Hahn, Ji-Ho Park, Je-Kyun Park, "Magnetophoretic sorting of single cell-containing microdroplets," Micromachines, 7 (4), 56 (2016).     OPEN ACCESS
Highlighted in the MDPI blog (2016. 4. 22)

132

Juhwan Park, Joong Ho Shin, Je-Kyun Park, "Pressed paper-based dipstick for detection of foodborne pathogens with multistep reactions," Anal. Chem., 88 (7), 3781-3788 (2016).
Supporting Info. (pdf, 864 KB) 

Highlighted in the ACS News Service Weekly PressPac (2016. 4. 6)

131

Juhwan Park, Joong Ho Shin, Je-Kyun Park, "Experimental analysis of porosity and permeability in pressed paper," Micromachines, 7 (3), 48 (2016).   OPEN ACCESS

130

Youn-Hee Park, Do-Hyun Lee, Eujin Um, Je-Kyun Park, "On-chip generation of monodisperse giant unilamellar lipid vesicles containing quantum dots," Electrophoresis, 37 (10), 1353-1358 (2016).  
Selected in the virtual issue of Electrophoresis dedicated to Nanoanalysis  

129

Dongsik Han, Je-Kyun Park, "Optoelectrofluidic enhanced immunoreaction based on optically-induced dynamic AC electroosmosis," Lab Chip, 16 (7), 1189-1196 (2016).      OPEN ACCESS

128

Jaejung Son, Chae Yun Bae, Je-Kyun Park, "Construction of modular hydrogel sheets for micropatterned macro-scaled 3D cellular architecture," J. Vis. Exp., 107, e53475, doi:10.3791/53475 (2016).  

Materials List (pdf, 53.4 KB) 
video clip (MP4, 36.9 MB) 

127

Jaejung Son, Chae Yun Bae, Je-Kyun Park, "Freestanding stacked mesh-like hydrogel sheets enable the creation of complex macroscale cellular scaffolds," Biotechnol. J., 11 (4), 585-591 (2016).  
Supporting Info. (zip, 6661 KB) 
Supporting Info. (pdf, 492 KB), video clip 1 (mp4, 1.18 MB), video clip 2 (mp4, 3.99 MB) 

See accompanying commentary by Bobak Mosadegh DOI 10.1002/biot.201500562 

126

Jae Hoon Oh, Moon Kyoo Park, Seong Wook Kim, Je-Kyun Park, "A fully automated analyzer for multiple detection of allergen-specific immunoglobulin E," Anal. Methods, 7 (20), 8889-8895 (2015).

125

Seyong Kwon, Chang Hyun Cho, Eun Sook Lee, Je-Kyun Park, "Automated measurement of multiple cancer biomarkers using quantum-dot-based microfluidic immunohistochemistry," Anal. Chem., 87 (8), 4177-4183 (2015).  

124

Do-Hyun Lee, Chae Yun Bae, Seyong Kwon, Je-Kyun Park, "User-friendly 3D bioassays with cell-containing hydrogel modules: narrowing the gap between the microfluidic bioassays and the clinical end-users' needs," Lab Chip, 15 (11), 2379-2387 (2015).    OPEN ACCESS
Frontier
This article is part of themed collection: Lab on a Chip: Insights Issue

123

Joong Ho Shin, Juhwan Park, Seung-Hoon Kim, Je-Kyun Park, "Programmed sample delivery on a pressurized paper," Biomicrofluidics, 8 (5), 054121 (2014).  
The first two authors contributed equally to this work.
Supporting Info. (docx, 1.9 MB)
Selected as one of the top 20 most-accessed articles (October~ December 2014)  

122

Do-Hyun Lee, Miran Jang, Je-Kyun Park, "Rapid one-step purification of single-cells encapsulated in alginate microcapsules from oil to aqueous phase using a hydrophobic filter paper: Implications for single-cell experiments," Biotechnol. J., 9 (10), 1233-1240 (2014).  
Supporting Info. (pdf, 361 KB)

121

Joong Ho Shin, Myung Gwon Lee, Sungyoung Choi, Je-Kyun Park, "Inertia-activated cell sorting of immune-specifically labeled cells in a microfluidic device," RSC Adv., 4 (74), 39140-39144 (2014).
Supporting Info. (pdf, 355 KB)

120

Seyong Kwon, Minseok S. Kim, Eun Sook Lee, Jang Sihn Sohn, Je-Kyun Park, "A quantum dot-based microfluidic multi-window platform for quantifying the biomarkers of breast cancer cells," Integr. Biol., 6 (4), 430-437 (2014).  
Supporting Info. (pdf, 1,378 KB).   

119

Soyoung Chang, Seungjeong Song, Jungsul Lee, Jonghee Yoon, Junseong Park, Sungyoung Choi, Je-Kyun Park, Kyungsun Choi, Chulhee Choi, "Phenotypic modulation of primary vascular smooth muscle cells by short-term culture on micropatterned substrate," PLoS One, 9 (2), e88089 (2014).   OPEN ACCESS

118

Chae Yun Bae, Moon-kyung Min, Hail Kim, Je-Kyun Park, "Geometric effect of the hydrogel grid structure on in vitro formation of homogeneous MIN6 cell clusters," Lab Chip, 14 (13), 2183-2190 (2014).  

117

Jung Kim, Seyong Kwon, Je-Kyun Park, Inkyu Park, "Quantum dot-based immunoassay enhanced by high-density vertical ZnO nanowire array," Biosens. Bioelectron., 55, 209-215 (2014).    
The first two authors contributed equally to this work
Supporting Info. (docx, 3,133 KB)    

116

Myung Gwon Lee, Joong Ho Shin, Sungyoung Choi, Je-Kyun Park, "Enhanced blood plasma separation by modulation of inertial lift force," Sens. Actuators B Chem., 190, 311-317 (2014).     
The first two authors contributed equally to this work.
Supporting Info. (docx, 2.08 MB)

115

Seong-Won Nam, So Hyun Kim, Je-Kyun Park, Sungsu Park, "Dielectrophoresis in a slanted microchannel for separation of microparticles and bacteria," J. Nanosci. Nanotechnol., 13 (12), 7993-7997 (2013).

114

Do-Hyun Lee, Je-Kyun Park, "Reduction in microparticle adsorption using a lateral interconnection method in a PDMS-based microfluidic device," Electrophoresis, 34 (22-23), 3119-3125 (2013).  

113

Do-Hyun Lee, Chae Yun Bae, Jong-In Han, Je-Kyun Park, "In situ analysis of heterogeneity in the lipid content of single green microalgae in alginate hydrogel microcapsules," Anal. Chem., 85 (18), 8749-8756 (2013).   
Supporting Info. (pdf, 455.8 KB )

112

Jisun Lee, Myung Gwon Lee, Cheulhee Jung, Youn-Hee Park, Chaeyeon Song, Myung Chul Choi, Hyun Gyu Park, Je-Kyun Park, "High-throughput nanoscale lipid vesicle synthesis in a semicircular contraction-expansion array microchannel," BioChip J., 7 (3), 210-217 (2013).  
The first two authors contributed equally to this work.  

111

Joonwoo Jeong, Eujin Um, Je-Kyun Park, Mahn Won Kim, "One-step preparation of magnetic Janus particles using controlled phase separation of polymer blends and nanoparticles," RSC Adv., 3 (29), 11801-11806 (2013).
Supporting Info. (pdf, 124 KB)

110

Myung Gwon Lee, Joong Ho Shin, Chae Yun Bae, Sungyoung Choi, Je-Kyun Park, "Label-free cancer cell separation from human whole blood using inertial microfluidics at low shear stress," Anal. Chem., 85 (13), 6213–6218 (2013).  
Supporting Info. (pdf, 915 KB)    

109

Dongsik Han, Hyundoo Hwang, Je-Kyun Park, "Optoelectrofluidic behavior of metal-polymer hybrid colloidal particles," Appl. Phys. Lett., 102 (5), 054105 (2013).  
The first two authors contributed equally to this work.
Supporting Info. (doc, 1703 KB)

108

François Baneyx, Je-Kyun Park, "Editorial: Nanobio versus Bionano - what’s in a name?," Biotechnol. J., 8 (2), 158-159 (2013).  
Editorial  

Materials Views (on line) by Judy Peng (2013. 3. 1)  

107

Ju Hun Yeon, Dokyun Na, Kyungsun Choi, Seung-Wook Ryu, Chulhee Choi, Je-Kyun Park, "Reliable permeability assay system in a microfluidic device mimicking cerebral vasculatures," Biomed. Microdevices, 14 (6), 1141-1148 (2012).

106

Wonhye Lee, Chae Yun Bae, Seyong Kwon, Jaejung Son, Jinho Kim, Yong Jeong, Seung-Schik Yoo, Je-Kyun Park, "Cellular hydrogel biopaper for patterned 3D cell culture and modular tissue reconstruction," Adv. Healthcare Mater., 1 (5), 635-639 (2012).  
Supporting Info. (pdf, 366 KB; Video mp4, 305 KB)
Featured on the Inside Front Cover Article (5/2012, page 530) 

105

Eujin Um, Eugene Rha, Su-Lim Choi, Seung-Goo Lee, Je-Kyun Park, "Mesh-integrated microdroplet array for simultaneous merging and storage of single-cell droplets," Lab Chip, 12 (9), 1594-1597 (2012).    
Supporting Info. ( pdf, 349K; movie 1, 559 KB; movie 2, 1478 KB)

104

Fengshan Shen, Hyundoo Hwang, Young Ki Hahn, Je-Kyun Park, "Label-free cell separation using a tunable magnetophoretic repulsion force," Anal. Chem., 84 (7), 3075-3081 (2012).  
Supporting Info. (pdf, 159.2 KB)

Highlighted in Chemical & Engineering News: Microfluidic Device Separates Unlabeled Cells (March 12, 2012)

103

Hyundoo Hwang, Je-Kyun Park, "Optoelectrofluidic manipulation of nanoparticles and biomolecules," Adv. OptoElectronics, 2011, Article ID 482483 (2011). doi:10.1155/2011/482483  OPEN ACCESS
Invited Review  

102

Hyundoo Hwang, Seung-Hoon Kim, Tae-Hyeong Kim, Je-Kyun Park, Yoon-Kyoung Cho, "Paper on a disc: Balancing the capillary-driven flow with a centrifugal force," Lab Chip, 11 (20), 3404-3406 (2011).    
Supporting Info. (pdf, 284 KB)
Selected as one of top 10 most accessed Lab on a Chip articles in August (2011. 9. 20)

101

Do-Hyun Lee, Wonhye Lee, Eujin Um, Je-Kyun Park, "Microbridge structures for uniform interval control of flowing picoliter droplets in microfluidic networks," Biomicrofluidics, 5 (3), 034117 (2011).   
Selected for Vir. J. Nan. Sci. & Tech. (2011)/ Volume 24 / Issue 9 / MICROFLUIDICS AND NANOFLUIDICS (2011. 8. 29)
Selected for Vir. J. Bio. Phys. Res. (2011)/ Volume 22 / Issue 5 / INSTRUMENTATION DEVELOPMENT (2011. 9. 1)

100

Hyundoo Hwang, Dongsik Han, Young-Jae Oh, Yoon-Kyoung Cho, Ki-Hun Jeong, Je-Kyun Park, "In situ dynamic measurements of the enhanced SERS signal using an optoelectrofluidic SERS platform," Lab Chip, 11 (15), 2518-2555 (2011).    
The first two authors contributed equally to this work.
Selected as one of top 10 most accessed Lab on a Chip articles in June (2011. 8. 22)

99

Myung Gwon Lee, Sungyoung Choi, Hee-Je Kim, Hee Kyun Lim, Joon-Ho Kim, Nam Huh, Je-Kyun Park, "Inertial blood plasma separation in a contraction-expansion array microchannel," Appl. Phys. Lett., 98 (25), 253702 (2011).
  Supporting Info. (doc, 2.53 MB)
Selected for Vir. J. Bio. Phys. Res. (2011)/ Volume 22 / Issue 1 / INSTRUMENTATION DEVELOPMENT (2011. 7. 1)

98

Myung Gwon Lee, Sungyoung Choi, Je-Kyun Park, "Inertial separation in a contraction-expansion array microchannel," J. Chromatogr. A, 1218 (27), 4138-4143 (2011).     
The first two authors contributed equally to this work.
Supporting Info. (doc, 848 KB )   

97

Chae Yun Bae, Minseok S. Kim, Je-Kyun Park, "Mechanical stimulation of bovine embryos in a microfluidic culture platform," Biochip J. , 5 (2), 106-113 (2011).

96

Young Ki Hahn, Je-Kyun Park, "Versatile immunoassays based on isomagnetophoresis," Lab Chip, 11 (12), 2045-2048 (2011).    
Supporting Info. (pdf, 434 KB )
Selected for Vir. J. Bio. Phys. Res. (2011)/ Volume 21 / Issue 12 / INSTRUMENTATION DEVELOPMENT (2011. 6. 15)

95

Minseok S. Kim, Seyong Kwon, Taemin Kim, Eun Sook Lee, Je-Kyun Park, "Quantitative proteomic profiling of breast cancers using a multiplexed microfluidic platform for immunohistochemistry and immunocytochemistry," Biomaterials, 32 (5), 1396-1403 ( 2011).

94

Sungyoung Choi, Taeyun Ku, Seungjeong Song, Chulhee Choi, Je-Kyun Park, "Hydrophoretic high-throughput selection of platelets in physiological shear-stress range," Lab Chip, 11 (3), 413-418 (2011).  
Supporting Info. (pdf, 572 KB)
Selected for Vir. J. Bio. Phys. Res. (2011)/ Volume 21 / Issue 3 / INSTRUMENTATION DEVELOPMENT (2011. 2.1)

93

Wonhye Lee, Jaejung Son, Seung-Schik Yoo, Je-Kyun Park, "Facile and biocompatible fabrication of chemically sol-gel transitional hydrogel free-standing microarchitectures," Biomacromolecules, 12 (1), 14-18 (2011).    
Supporting Info. (pdf, 828 KB )

92

Dae-Sik Lee, Byoung Gu Jeon, Chunhwa Ihm, Je-Kyun Park, Mun Yeon Jung, "A simple and smart telemedicine device for developing regions: a pocket-sized colorimetric reader," Lab Chip, 11 (1), 120-126 (2011).    
Supporting Info. (pdf, 331 KB) and Movie (mp4, 8.63 MB)
Lab on a Chip Blog: Medicine gets smart (2010. 11. 26)  
Selected for Vir. J. Bio. Phys. Res. (2010)/ Volume 20 / Issue 12 / INSTRUMENTATION DEVELOPMENT (2010. 12. 15)

91

Hyundoo Hwang, Je-Kyun Park, "Optoelectrofluidic platforms for chemistry and biology," Lab Chip, 11 (1), 33-47 (2011).  
Critical Review
Selected for Vir. J. Nan. Sci. & Tech. (2011)/ Volume 22 / Issue 26 / REVIEW ARTICLES (2010. 12. 20)
Selected as one of top 10 most accessed Lab on a Chip articles in December (2011. 1. 27)

90

Je-Kyun Park, Kahp-Yang Suh, "10th Anniversary Issue: Korea," Lab Chip, 11 (1), 23-24 (2011).  
Editorial  

89

Youn-Suk Choi, Hong-Bae Kim, Junho Chung, Hyung-Sik Kim, Jeong-Han Yi, Je-Kyun Park, "Preclinical analysis of irreversible electroporation on rat liver tissues using a microfabricated electroporator," Tissue Eng. Part C Methods, 16 (6), 1245-1253 (2010).  
The first two authors contributed equally to this work.

88

Sungyoung Choi, Je-Kyun Park, "Two-step photolithography to fabricate multilevel microchannels," Biomicrofluidics, 4 (4), 046503 (2010).  
Selected for the Research Highlights in Biomicrofluidics and also selected as one of the top 20 most downloaded articles (November 2010 ~ February 2011)

87

Myung Gwon Lee, Sungyoung Choi, Je-Kyun Park, "Rapid multivortex mixing in an alternately formed contraction-expansion array microchannel," Biomed. Microdevices, 12 (6), 1019-1026 (2010).     
The first two authors contributed equally to this work.
Supporting Info. (doc, 1969 KB)

86

Eujin Um, Seung-Goo Lee, Je-Kyun Park, "Random breakup of microdroplets for single-cell encapsulation," Appl. Phys. Lett., 97 (15), 153703 (2010).

85

Ju Hun Yeon, Dokyun Na, Je-Kyun Park, "Hepatotoxicity assay using human hepatocytes trapped in microholes of a microfluidic device," Electrophoresis, 31 (18), 3167-3174 ( 2010).    

84

Sungyoung Choi, Myung Gwon Lee, Je-Kyun Park, "Microfluidic parallel circuit for measurement of hydraulic resistance," Biomicrofluidics, 4 (3), 034110 (2010).  

83

Hyundoo Hwang, Hyangah Chon, Jaebum Choo, Je-Kyun Park, "Optoelectrofluidic sandwich immunoassays for detection of human tumor marker using surface-enhanced Raman scattering," Anal. Chem. , 82 (18), 7603-7610 (2010).    
The first two authors contributed equally to this work.
Supporting Info. (pdf, 474 KB )  

82

Sungyoung Choi, Je-Kyun Park, "Microfluidic rheometer for characterization of protein unfolding and aggregation in microflows," Small, 6 (12), 1306-1310 (2010).  

81

Minseok S. Kim, Taemin Kim, Sun-Young Kong, Soim Kwon, Chae Yoon Bae, Jaekyu Choi, Chul Hwan Kim, Eun Sook Lee, Je-Kyun Park, "Breast cancer diagnosis using a microfluidic multiplexed immunohistochemistry platform," PLoS ONE, 5 (5), e10441 (2010).    OPEN ACCESS
Supporting Info. (Tables S1, S2, Figures S1, S2, S3, S4)
Press Release (May 10, 2010)
Selected for the Research Highlights in Lab on a Chip (2010. 05. 27)

80

Yu Chang Kim, Seung-Hoon Kim, Duckjong Kim, Sang-Jin Park, Je-Kyun Park, "Plasma extraction in a capillary-driven microfluidic device using surfactant-added poly(dimethylsiloxane)," Sens. Actuators B Chem., 145 (2), 861-868 (2010).
Supporting Info. (doc, 619 KB)  

79

Wonhye Lee, Vivian Lee, Samuel Polio, Phillip Keegan, Jong-Hwan Lee, Krisztina Fischer, Je-Kyun Park, Seung-Schik Yoo, "On-demand three-dimensional freeform fabrication of multi-layered hydrogel scaffold with fluidic channels," Biotechnol. Bioeng., 105 (6), 1178-1186 (2010).
Selected as a Spotlight Article - 3D bio-printing of multi-layered cell-laden fluidic hydrogel scaffold

78

Jaeduck Jang, Chae Yun Bae, Je-Kyun Park, Jong Chul Ye, "Self-reference quantitative phase microscopy for microfluidic devices," Opt. Lett., 35 (4), 514-516 (2010). 
Selected for Vir. J. Biomed. Opt. (2010)/ Volume 5 / Issue 5 / Microfluidics and Nanofluidics
Selected for Vir. J. Bio. Phys. Res. (2010)/ Volume 19 / Issue 6 / INSTRUMENTATION DEVELOPMENT (2010. 3. 15)

77

Sungyoung Choi, Seung-Hoon Kim, Je-Kyun Park, "Optical path-length modulation for three-dimensional particle measurement in mirror-embedded microchannels," Lab Chip, 10 (3), 335-340 (2010).

76

Hyundoo Hwang, Je-Kyun Park, "Measurement of molecular diffusion based on optoelectrofluidic fluorescence microscopy," Anal. Chem., 81 (21), 9163-9167 (2009).  

75

Myung Gwon Lee, Sungyoung Choi, Je-Kyun Park, "Three-dimensional hydrodynamic focusing with a single sheath flow in a single-layer microfluidic device," Lab Chip, 9 (21), 3155-3160 (2009).      
The first two authors contributed equally to this work.  
Supporting Info. (pdf, 289 KB)  

74

Do-Hyun Lee, Hyundoo Hwang, Je-Kyun Park, "Generation and manipulation of droplets in an optoelectrofluidic device integrated with microfluidic channels," Appl. Phys. Lett., 95 (16), 164102 (2009).  
The first two authors contributed equally to this work.

73

Zongwen Jin, Young Ki Hahn, Eunkeu Oh, Young-Pil Kim, Je-Kyun Park, Seung Ho Moon, Jung-Tak Jang, Jinwoo Cheon, Hak-Sung Kim, "Magnetic nanoclusters for ultrasensitive magnetophoretic assays," Small , 5 (20), 2243-2246 (2009) .    
The first two authors contributed equally to this work.
Supporting Info. (pdf, 134 KB)

72

Sungyoung Choi, Je-Kyun Park, "Optically coated mirror-embedded microchannel to measure hydrophoretic particle ordering in three dimensions," Small, 5 (19), 2205-2211 (2009) .     
" Microfluidics: Small 19/2009," Small, 5 (19): Inside Cover.  
Featured on the Inside Cover Article in Small.  

71

Minseok S. Kim, Chae Yun Bae, Gabbine Wee, Yong-Mahn Han, Je-Kyun Park, "A microfluidic in vitro cultivation system for mechanical stimulation of bovine embryos," Electrophoresis, 30 (18), 3276-3282 (2009) .    
The first two authors contributed equally to this work.

70

Myung Gwon Lee, Sungyoung Choi, Je-Kyun Park, "Rapid laminating mixer using a contraction-expansion array microchannel," Appl. Phys. Lett., 95 (5), 051902 (2009).
The first two authors contributed equally to this work.
Supporting Info. (pdf,  360 KB)

69

Hyundoo Hwang, Je-Kyun Park, "Dynamic light-activated control of local chemical concentration in a fluid, " Anal. Chem., 81 (14), 5865-5870 (2009).
Supporting Info. (pdf, 443 KB)

68

Sungyoung Choi, Je-Kyun Park, "Tuneable hydrophoretic separation using elastic deformation of poly(dimethylsiloxane)," Lab Chip, 9 (13), 1962-1965 (2009).    
Supporting Info. (pdf, 322 KB)

67

Hyundoo Hwang, Youn-Hee Park, Je-Kyun Park, "Optoelectrofluidic control of colloidal assembly in an optically induced electric field," Langmuir, 25 (11), 6010-6014 (2009) .    
Supporting Info. (pdf, 140 KB)

66

Wonhye Lee, Jason Pinckney, Vivian Lee, Jong-Hwan Lee, Krisztina Fischer, Samuel Polio, Je-Kyun Park, Seung-Schik Yoo, "Three-dimensional bioprinting of rat embryonic neural cells," NeuroReport, 20 (8), 798-803 (2009).
Featured on the Front Cover Image

65

Youn-Suk Choi, Hong-Bae Kim, Seung-Hoon Kim, Jaekyu Choi, Je-Kyun Park, "Microdevice for analyzing the effect of electrochemotherapy on cancer cells," Anal. Chem., 81 (9), 3517-3522 (2009).  

64

Joo H. Kang, Eujin Um, Je-Kyun Park, "Fabrication of poly(dimethylsiloxane) membrane with well-defined through-holes for three-dimensional microfluidic networks,"   J. Micromech. Microeng., 19 (4), 045027 (2009).

63

Joo H. Kang, Bumjun Kim, Je-Kyun Park, "Microfluidic pycnometer for in situ analysis of fluids in microchannels," Anal. Chem., 81 (7), 2569-2574 (2009).    
Supporting Info. (pdf, 232 KB)
Supporting Info.: Video clip (mp4, 286 KB)

62

Young Ki Hahn, Jae-Byum Chang, Zongwen Jin, Hak-Sung Kim, Je-Kyun Park, "Magnetophoretic position detection for multiplexed immunoassays using colored microspheres in a microchannel," Biosens. Bioelectron., 24 (7), 1870-1876 (2009).

61

Wonhye Lee, Jason C. Debasitis, Vivian K. Lee, Jong-Hwan Lee, Krisztina Fischer, Karl Edminster, Je-Kyun Park, Seung-Schik Yoo, "Multi-layered culture of human skin fibroblasts and keratinocytes through three-dimensional freeform fabrication," Biomaterials, 30 (8), 1587-1595 (2009).

60

Sungyoung Choi, Seungjeong Song, Chulhee Choi, Je-Kyun Park, "Microfluidic self-sorting of mammalian cells to achieve cell cycle synchrony by hydrophoresis," Anal. Chem., 81 (5), 1964-1968 (2009).
Supporting Info. (pdf, 271 KB)

59

Ju Hun Yeon, Je-Kyun Park, "Drug permeability assay using microhole-trapped cells in a microfluidic device," Anal. Chem., 81 (5), 1944-1951 (2009).  
Supporting Info. (pdf, 84 KB)

58

Hyundoo Hwang, Do-Hyun Lee, Wonjae Choi, Je-Kyun Park, "Enhanced discrimination of normal oocytes using optically induced pulling-up dielectrophoretic force," Biomicrofluidics, 3 (1), 014103 (2009).    
Selected for Vir. J. Bio. Phys. Res. (2009)/ Volume 17 / Issue 5 / INSTRUMENTATION DEVELOPMENT (2009. 3. 1)
Selected as one of the top 20 most downloaded articles (February 2009 ~ April 2009)

57

Youn-Suk Choi, Hong-Bae Kim, Gil-Sik Kwon, Je-Kyun Park, "On-chip testing device for electrochemotherapeutic effects on human breast cells," Biomed. Microdevices, 11 (1), 151-159 (2009).

56

Eujin Um, Je-Kyun Park, "A microfluidic abacus channel for controlling the addition of droplets," Lab Chip, 9 (2), 207-212 (2009).
Supporting Info.: Video clip 1: Three droplet addition (153 KB), Video clip 2: Three column addition (291 KB), Video clip 3: Green and red addition (733 KB)
Highlighted in the RSC’s Chemical Technology news magazine (November 21, 2008)
Also selected as one of the ten most accessed Lab on a Chip articles in January

55

Hyundoo Hwang, Je-Kyun Park, "Rapid and selective concentration of microparticles in an optoelectrofluidic platform," Lab Chip, 9 (2), 199-206 (2009).
Supporting Info. (pdf, 934 KB)
Supporting Video (mp4, 969 KB)
Lab on a Chip video channel
Featured on the Front Cover Article in Lab on a Chip
Also selected as one of Hot Articles as well as the ten most accessed Lab on a Chip articles in January

54

Sungyoung Choi, Seungjeong Song, Chulhee Choi, Je-Kyun Park, "Hydrophoretic sorting of micrometer and submicrometer particles using anisotropic microfluidic obstacles," Anal. Chem., 81 (1), 50-55 (2009).
Supporting Info. (pdf, 369 KB)

53

Hyundoo Hwang, Gyumin Kang, Ju Hun Yeon, Yoonkey Nam, Je-Kyun Park, "Direct rapid prototyping of PDMS from a photomask film for micropatterning of biomolecules and cells," Lab Chip, 9 (1), 167-170 (2009) .   
The first two authors contributed equally to this work.  
Supporting Info. (pdf, 156 KB) 
Selected for Vir. J. Bio. Phys. Res. (2009)/ Volume 17 / Issue 2 / INSTRUMENTATION DEVELOPMENT (2009. 1. 15)

52

Minseok S. Kim, Wonhye Lee, Yu Chang Kim, Je-Kyun Park, "Microvalve-assisted patterning platform for measuring cellular dynamics based on 3D cell culture," Biotechnol. Bioeng., 101 (5), 1005-1013 (2008).

51

Sungyoung Choi, Je-Kyun Park, "Mirror-embedded microchannel for three-dimensional measurement of particle position," Appl. Phys. Lett., 93 (19), 191909 (2008).
Supporting Info. (pdf, 197.9 KB)

50

Wonjae Choi, Seong-Won Nam, Hyundoo Hwang, Sungsu Park, Je-Kyun Park, "Programmable manipulation of motile cells in optoelectronic tweezers using a grayscale image," Appl. Phys. Lett., 93 (14), 143901 (2008).
The first two authors contributed equally to this work.  
Supporting Info.: Movie (mp4, 357 KB), README.TXT
Selected for Vir. J. Bio. Phys. Res. (2008)/ Volume 16 / Issue 8 / INSTRUMENTATION DEVELOPMENT (2008. 10. 15)

49

Yu Chang Kim, Sang-Jin Park, Je-Kyun Park, "Biomechanical analysis of cancerous and normal cells based on bulge generation in a microfluidic device," Analyst, 133 (10), 1432-1439 (2008).
Highlighted in the RSC’s Chemical Biology news magazine (30 July 2008).

48

Eujin Um, Dae-Sik Lee, Hyun Bong Pyo, Je-Kyun Park, "Continuous generation of hydrogel beads and encapsulation of biological materials using a microfluidic droplet-merging channel," Microfluid. Nanofluid., 5 (4), 541-549 (2008).

47

Minseok S. Kim, Hyundoo Hwang, Youn-Suk Choi, Je-Kyun Park, "Microfluidic micropillar arrays for 3D cell culture," Open Biotechnol. J., 2, 224-228 (2008).   OPEN ACCESS

46

Hyundoo Hwang, Jae-Jun Kim, Je-Kyun Park, "Experimental investigation of electrostatic particle-particle interactions in optoelectronic tweezers," J. Phys. Chem. B, 112 (32), 9903-9908 (2008).

45

Joon Seok Lee, Eujin Um, Je-Kyun Park, Chan Beum Park, "Microfluidic self-assembly of insulin monomers into amyloid fibrils on a solid surface," Langmuir, 24 (14), 7068-7071 (2008).
Supporting Info. (pdf, 3.32 MB)

44

Wonjae Choi, Ji-Su Kim, Do-Hyun Lee, Kyung-Kwang Lee, Deog-Bon Koo, Je-Kyun Park, "Dielectrophoretic oocyte selection chip for in vitro fertilization," Biomed. Microdevices, 10 (3), 337-345 (2008).   
The first two authors contributed equally to this work.

43

Sungyoung Choi, Seungjeong Song, Chulhee Choi, Je-Kyun Park, "Sheathless focusing of microbeads and blood cells based on hydrophoresis," Small, 4 (5), 634-641 (2008). 

42

Sungyoung Choi, Je-Kyun Park, "Sheathless hydrophoretic particle focusing in a microchannel with exponentially increasing obstacle arrays," Anal. Chem., 80 (8), 3035-3039 (2008).

41

Hyundoo Hwang, Yong-Je Choi, Wonjae Choi, Se-Hwan Kim, Jin Jang, Je-Kyun Park, "Interactive manipulation of blood cells using a lens-integrated liquid crystal display based optoelectronic tweezers system," Electrophoresis, 29 (6), 1203-1212 (2008). 

40

Hyundoo Hwang, Youngjae Oh, Jae-Jun Kim, Wonjae Choi, Je-Kyun Park, Se-Hwan Kim, Jin Jang, "Reduction of nonspecific surface-particle interactions in optoelectronic tweezers," Appl. Phys. Lett., 92 (2), 024108 (2008).

39

Joo H. Kang, Sungyoung Choi, Wonhye Lee, Je-Kyun Park, "Isomagnetophoresis to discriminate subtle difference in magnetic susceptibility," J. Am. Chem. Soc., 130 (2), 396-397 (2008).  
Supporting Info. (pdf, 1.69 MB)

38

Joo H. Kang, Yu Chang Kim, Je-Kyun Park, "Analysis of pressure-driven air bubble elimination in a microfluidic device," Lab Chip, 8 (1), 176-178 (2008).
Supporting Info. (pdf, 2.91 MB)
Selected as one of the ten most accessed Lab on a Chip articles in January

37

Hyundoo Hwang, Youngjae Oh, Jae-Jun Kim, Wonjae Choi, Se-Hwan Kim, Jin Jang, Je-Kyun Park, "Optoelectronic manipulation of microparticles using double photoconductive layers on a liquid crystal display," Biochip J., 1 (4), 234-240 (2007).

36

Yu Chang Kim, Joo H. Kang,  Sang-Jin Park, Eui-Soo Yoon, Je-Kyun Park, "Microfluidic biomechanical device for compressive cell stimulation and lysis," Sens. Actuators B Chem., 128 (1), 108-116 (2007).

35

Sungyoung Choi, Seungjeong Song, Chulhee Choi, Je-Kyun Park, "Continuous blood cell separation by hydrophoretic filtration," Lab Chip, 7 (11), 1532-1538 (2007).  
Supporting Info. (MP4 Movie,43.4 KB)

34

Joo H. Kang, Je-Kyun Park, "Magnetophoretic continuous purification of single-walled carbon nanotubes from catalytic impurities in a microfluidic device," Small, 3 (10), 1784-1791 (2007).

33

Sungyoung Choi, Je-Kyun Park, "Continuous hydrophoretic separation and sizing of microparticles using slanted obstacles in a microchannel," Lab Chip, 7 (7), 890-897 (2007).   
Supporting Info. (mp4 Movie, 44.3 KB)

32

Sungho Ko, Bumjun Kim, Seong-Sik Jo, Se Young Oh, Je-Kyun Park, "Electrochemical detection of cardiac troponin I using a microfluidic chip with the surface-functionalized poly(dimethylsiloxane) channel," Biosens. Bioelectron., 23 (1), 51-59 (2007).

31

Jeong-Gun Lee, Kyusik Yun, Guei-Sam Lim, Sang Eun Lee, Suhyeon Kim, Je-Kyun Park, "DNA biosensor based on the electrochemiluminescence of Ru(bpy)₃²⁺ with DNA-binding intercalators," Bioelectrochemistry, 70 (2), 228-234 (2007).

30

Minseok S. Kim, Janghwan Kim, Hyo-Won Han, Yee Sook Cho, Yong-Mahn Han, Je-Kyun Park, "Microfabricated embryonic stem cell divider for large-scale propagation of human embryonic stem cells," Lab Chip, 7 (4), 513-515 (2007).
The first two authors contributed equally to this work.
Supporting Info. (pdf, 462 KB)
Selected for the issue 5, 2007 of RSC Chemical Biology Virtual Journal .  

29

Wonjae Choi, Se-Hwan Kim, Jin Jang, Je-Kyun Park, "Lab-on-a-display: a new microparticle manipulation platform using a liquid crystal display (LCD)," Microfluid. Nanofluid., 3 (2), 217-225 (2007).
Spporting Info.: Video clip (mp4, 2.31 MB)

28

Ju Hun Yeon, Je-Kyun Park, "Microfluidic cell culture systems for cellular analysis," Biochip J., 1 (1), 17-27 (2007).
Review  

27

Young Ki Hahn, Zongwen Jin, Joo H. Kang, Eunkeu Oh, Min-Kyu Han, Hak-Sung Kim, Jung-Tak Jang, Jae-Hyun Lee, Jinwoo Cheon, Seung Hyun Kim, Hae-Sim Park, Je-Kyun Park, "Magnetophoretic immunoassay of allergen-specific IgE in an enhanced magnetic field gradient," Anal. Chem., 79 (6), 2214-2220 (2007).  
The first two authors contributed equally to this work.

26

Minseok S. Kim, Ju Hun Yeon, Je-Kyun Park, "A microfluidic platform for 3-dimensional cell culture and cell-based assays," Biomed. Microdevices, 9 (1), 25-34 (2007).

25

Minseok S. Kim, Je-Kyun Park, "Microfluidic 3-dimensional encapsulation system by self-assembling peptide hydrogel," J. Asso. Lab. Autom., 11 (6), 352-359 (2006).
Invited paper as a Top 10 Candidate for the ALA Innovation Award at LabAutomation2006, Palm Spring, U.S.A. (January 21-25, 2006)

24

Kyu Sung Kim, Je-Kyun Park, "Superparamagnetic nanoparticle-based nanobiomolecular detection in a microfluidic channel," Curr. App. Phys., 6 (6), 976-981 (2006).

23

Yoonhee Jang, Se Young Oh, Je-Kyun Park, "In situ electrochemical enzyme immunoassay on a microchip with surface-functionalized poly(dimethylsiloxane) channel," Enzyme Microb. Technol., 39 (5), 1122-1127 (2006).

22

Suhyeon Kim, Guei-Sam Lim, Sang Eun Lee, Jeong-Gun Lee, Kyusik Yun, Je-Kyun Park, "DNA chip replication for a personalized DNA chip," Biomol. Eng., 23 (2-3), 129-134 (2006).

21

Wonjae Choi, Je-Kyun Park, "A bio-fluidic device for adaptive sample pretreatment and its application to measurement of Escherichia coli concentration," Biotechnol. Bioprocess Eng., 11 (1), 54-60 (2006).

20

Joo H. Kang, Je-Kyun Park, "Technical paper on microfluidic devices - cell separation technology," Asia Pacific Biotech News, 9 (21), 1135-1146 (2005).
Review  

19

Sungyoung Choi, Je-Kyun Park, "Microfluidic system for dielectrophoretic separation based on a trapezoidal electrode array," Lab Chip, 5 (10), 1161-1167 (2005).  
Spporting Info.: Video 0 (Fig.3a), Video 1 (Fig. 5a), Video 2 (Fig. 5b), Video 3 (Fig. 5c)

18

Yuheon Yi, Joo H. Kang, Je-Kyun Park, "Moldless electroplating for cylindrical microchannel fabrication," Electrochem. Commun., 7 (9), 913-917 (2005).
Selected for the Research Highlights in Lab on a Chip (Lab Chip, 2005, 5(11), 1199)

17

Joo H. Kang, Je-Kyun Park, "Development of a microplate reader compatible microfluidic device for enzyme assay," Sens. Actuators B Chem., 107 (2), 980-985 (2005).

16

Ju Hun Yeon, Je-Kyun Park, "Cytotoxicity test based on electrochemical impedance measurement of HepG2 cultured in microfabricated cell chip," Anal. Biochem., 341 (2), 308-315 (2005).
Selected in National Cancer Institute (NCI) Nanotech News (May 23, 2005)

15

Kyu Sung Kim, Je-Kyun Park, "Magnetic force-based multiplexed immunoassay using superparamagnetic nanoparticles in microfluidic channel," Lab Chip, 5 (6), 657-664 (2005).  
Supporting Info. (doc, 838 KB)

This paper was selected as "The Most Cited Lab on a Chip Paper in Korea 2001-2010" at the 2010 Korea-EU Lab on a Chip Technology Workshop (9-10 September 2010, Seoul, Korea).

14

Yuheon Yi, Je-Kyun Park, "Fabrication of electrochemical sensor with tunable electrode distance," J. Semiconductor Technol. Sci., 5 (1), 30-37 (2005).  

13

Je-Kyun Park, "BioNano/Micro System in Nanobiotechnology," BioSystems Review, 1 (1), 59-67 (2005).
Review  

12

Suhyeon Kim, Je-Kyun Park, "Development of a test strip reader for a lateral flow membrane-based immunochromatographic assay," Biotechnol. Bioprocess Eng., 9 (2), 127-131 (2004).

11

Se Young Oh, Hyung Seok Choi, Hang Sok Jie, Je-Kyun Park, "Submicro photopatterning of alkanethiolate self-assembled monolayer using a negative mask and its application in the fabrication of biomolecular photodiode," Mat. Sci. Eng. C, 24 (1-2), 91-94 (2004).

10

Won-Yong Lee, Seung-Ryeol Kim, Tae-Han Kim, Kang Shin Lee, Min-Chol Shin, Je-Kyun Park, "Sol-gel-derived thick-film conductometric biosensor for urea determination in serum," Anal. Chim. Acta, 404 (2), 195-203 (2000).

9

Won-Yong Lee, Kang Shin Lee, Tae-Han Kim, Min-Chol Shin, Je-Kyun Park, "Microfabricated conductometric urea biosensor based on sol-gel immobilized urease," Electroanalysis, 12 (1), 78-82 (2000).

8

Je-Kyun Park, Hee-Jin Yee, Kang Shin Lee, Won-Yong Lee, Min-Chol Shin, Tae-Han Kim, Seung-Ryeol Kim, "Determination of breath alcohol using a differential-type amperometric biosensor based on alcohol dehydrogenase," Anal. Chim. Acta, 390 (1-3), 83-91 (1999).

7

Kang Shin Lee, Tae-Han Kim, Min-Chol Shin, Won-Yong Lee, Je-Kyun Park, "Disposable liposome immunosensor for theophylline combining an immunochromatographic membrane and a thick-film electrode," Anal. Chim. Acta., 380 (1), 17-26 (1999).

6

Je-Kyun Park, Peter H. Tran, Johnny K.T. Chao, Rutwik Ghodadra, Rajagopalan Rangarajan, Nitish V. Thakor, "In vivo nitric oxide sensor using non-conducting polymer-modified carbon fiber," Biosens. Bioelectron., 13 (11), 1187-1195 (1998).  

5

Hee-Jin Yee, Je-Kyun Park, Sung-Tae Kim, "Disposable thick-film amperometric biosensor with multiple working electrodes fabricated on a single substrate," Sens. Actuators B Chem, 34 (1-3), 490-492 (1996).

4

Je-Kyun Park, Hee-Jin Yee, Sung-Tae Kim, "Amperometric biosensor for determination of ethanol vapor," Biosens. Bioelectron., 10 (6-7), 587-594 (1995).

3

Je-Kyun Park, Min-Chol Shin, Seung-Goo Lee, Hak-Sung Kim, "Flow injection analysis of glucose, fructose, and sucrose using a biosensor constructed with permeabilized Zymomonas mobilis and invertase," Biotechnol. Progr., 11 (1), 58-63 (1995).

2

Je-Kyun Park, Hyeon-Su Ro, Hak-Sung Kim, "A new biosensor for specific determination of sucrose using an oxidoreductase of Zymomonas mobilis and invertase," Biotechnol. Bioeng., 38 (3), 217-223 (1991).

1

Je-Kyun Park, Hak-Sung Kim, "A new biosensor for specific determination of glucose or fructose using an oxidoreductase of Zymomonas mobilis," Biotechnol. Bioeng., 36 (7), 744-749 (1990).