[29] Carbon, 50, 5, 1753–1761, (2012)
Improved graphitization and electrical conductivity of suspended carbon nanofibers derived from carbon nanotube/polyacrylonitrile composites by directed electrospinning
Tanmoy Maitra, Swati Sharma, Alok Srivastava, Yoon-Kyoung Cho, Marc Madou, Ashutosh Sharma*
Single suspended carbon nanofibers on carbon micro-structures were fabricated by direct electrospinning and subsequent pyrolysis at 900 °C of carbon nanotube/polyacrylonitrile (CNT/PAN) composite material.
[28] Lab Chip, 11, 20, 3404-3406, (2011)
Paper on a disc: Balancing the capillary-driven flow with a centrifugal force
Hyundoo Hwang, Seung-Hoon Kim, Tae-Hyeong Kim, Je-Kyun Park, and Yoon-Kyoung Cho*
This paper describes the active control of the capillary-driven flow in paper using a centrifugal device.
[27] Lab Chip, 11, 15, 2518-2525, (2011)
In situ dynamic measurements of the enhanced SERS signal using an optoelectrofluidic SERS platform
Hyundoo Hwang, Dongsik Han, Young-Jae Oh, Yoon-Kyoung Cho, Ki-Hun Jeong, Je-Kyun Park*
In situ measurements of the enhanced SERS signal are demonstrated by using dynamic SERS active sites resulted from optically induced electrokinetic mechanisms.
[26] Microfluidics and Nanofluidics, 11, 5, 643-652, (2011)
Thermo-pneumatic Pumping in Centrifugal Microfluidic Platforms
Kameel Abi-Samra, Liviu Clime, Ling Kong, Robert Gorkin III, Tae-Hyeong Kim, Yoon-Kyoung Cho, Marc Madou*
we present a novel pumping technique for the centrifugal microfluidic disc platform, termed the thermo-pneumatic pump (TPP), that enables fluids to be transferred the center of a rotating disc by the thermal expansion of air.
[25] Lab Chip, 11, 8, 1434 - 1436, (2011)
Elastomeric membrane valves in a disc
Hyundoo Hwang, Hak-Hyun Kim, and Yoon-Kyoung Cho*
We present elastomeric membrane valves integrated into a centrifugal microfluidic platform for precise control of fluid on a disc.
[24] Chem. Soc. Rev. 40, 7, 3677-3702, (2011)
Flexible Fabrication and Applications of Polymer Nanochannels and Nanoslits
Rattikan Chantiwas, Sunggook Park*, Steven A. Soper*, Byoung Choul Kim, Shuichi Takayama*, Vijaya Sunkara, Hyundoo Hwang and Yoon-Kyoung Cho*
The fabrication of nanochannels in thermoplastics and elastomers is critically reviewed along with their potential applications.
[23] Lab Chip, 11, 5, 962-965, (2011)
Simple Room Temperature Bonding of Thermoplastics and Poly(dimethylsiloxane)
Vijaya Sunkara, Dong-Kyu Park, Hyundoo Hwang, Rattikan Chantiwas, Steven A Soper and Yoon-Kyoung Cho*
We report a simple, versatile, instantaneous and irreversible method for bonding thermoplastics to elastomeric polydimethylsiloxane (PDMS) at room temperature.
[22] Lab Chip, 11, 1, 1170-78, (2011)
Fully integrated lab-on-a-disc for simultaneous analysis of biochemistry and immunoassay from whole blood
Beom Seok Lee, Yang Ui Lee, Han-Sang Kim, Tae-Hyeong Kim, Jiwoon Park, Jeong-Gun Lee, Jintae Kim, Hanshin Kim, Wee Gyo Lee, and Yoon-Kyoung Cho*
We report a fully integrated lab-on-a-disc system for simultaneous analysis of clinical chemistry and enzyme-linked immuno-sorbent assay (ELISA) from whole blood.
[21] Lab Chip, 10, 23, 3255-3264, (2010)
Simple replication methods for producing 1D nanoslits in thermoplastics and the transport dynamics of double-stranded DNA through these slits
Rattikan Chantiwas, Mateusz L. Hupert, Swathi R. Pullagurla, Subramanian Balamurugan, Jesús Tamarit López, Sunggook Park, Proyag Datta, Jost Goettert,Yoon-Kyoung Cho, and Steven A. Soper*
Distinct elastic interface of surface microfluidics enables novel three-dimensional (deformable) and time-dependent (capacitive) operations of the surface flow.
[20] J. Micromech. Microeng., 20, 6, (2010)
On-chip concentration of bacteria using a 3-D dielectrophoretic chip and subsequent laser-based DNA extraction in the same chip
Yoon-Kyoung Cho*, Tae-hyeong Kim and Jeong-Gun Lee
We report the on-chip concentration of bacteria using a dielectrophoretic (DEP) chip with 3D electrodes and subsequent laser-based DNA extraction in the same chip.
[19] Lab Chip, 10, 14, 1758-1773, (2010)
Centrifugal Microfluidics for Biomedical Applications
Robert Gorkin, Jiwoon Park, Jonathan Siegrist, Mary Amasia, Beom Seok Lee, Jong-Myeon Park, Jintae Kim, Hanshin Kim, Marc Madou and Yoon-Kyoung Cho*
This paper presents an in-depth review of the centrifugal microfluidic platform for biomedical applications, while highlighting recent progress in the field and outlining the potential for future applications.
[18] Annals of Biomedical Engineering, 38, 6, 2056–2067, (2010)
Current Application of Micro/Nano-Interfaces to Stimulate and Analyze Cellular Responses
Yoon-Kyoung Cho, Heungjoo Shin, Sung Kuk Lee, and Taesung Kim*
Microfabrication technologies have a high potential for novel approaches to access living cells at a cellular or even at a molecular level.
[17] Electrophoresis, 30, 18, 3153–3159, (2009)
Bacteria concentration using a membrane type insulator-based dielectrophoresis in a plastic chip
Yoon-Kyoung Cho*, Suhyeon Kim, Kyusang Lee, Chinsung Park, Jeong-Gun Lee and Christopher Ko
We report an insulator-based (or, electrodeless) dielectrophoresis utilizing microfabricated plastic membranes.
[16] Lab Chip, 9, 11, 1548-1555, (2009)
A fully automated immunoassay from whole blood on a disc
Beom Seok Lee, Jung-Nam Lee, Jong-Myeon Park, Jeong-Gun Lee, Suhyeon Kim, Yoon-Kyoung Cho* and Christopher Ko
We report a disc-based and fully automated microfluidic enzyme-linked immuno-sorbent assay (ELISA) system for the quantification of proteins from whole blood.
[15] Lab Chip, 7, 5, 565-573, (2007)
One-step Pathogen Specific DN A Extraction from Whole Blood on a Centrifugal Microfluidic Device
Yoon-Kyoung Cho, Jeong-Gun Lee, Young-Sun Lee, Jong-Myeon Park, Beom-Seok Lee, Christopher Ko
We report a fully integrated, pathogen-specific DNA extraction CD platform utilizing innovative laser irradiated ferrowax microvalves (LIFM) and the rapid cell lysis method using target separation and laser-irradiated magnetic bead system (TS-LIMBS).
[14] Lab Chip, 7, 5, 557-564, (2007)
Multifunctional Microvalves Control by Optical illumination on Nanoheaters and its Application in Centrifugal Microfluidic Devices
Jong-Myeon Park+, Yoon-Kyoung Cho+, Beom-Seok Lee, Jeong-Gun Lee, Christopher Ko
We report a novel phase change based microvalve for rapid and versatile operation of multiple microvalves using nanoheaters, 10 nm-sized iron oxide nanoparticles dispersed in paraffin wax, and laser irradiation.
[13] Colloids and Surfaces A: Physicochem. Eng. Aspects, 294, 1-3, 228-235, (2006)
A new method to measure zeta potentials of microfabricated channels by applying a time-periodic electric field in a T channel
Sangmin Shin, Inseok Kang, Yoon-Kyoung Cho*
[12] Microsystem Technologies, 12, 3, 238-246, (2006)
A Microfluidic Gel Valve Device Using Reversible Sol-gel Transition of Methyl Cellulose for Biomedical Application
Daesung Yoon, Yoon-Kyoung Cho*, Kwangwook Oh*, Sunhee Kim, Youngah Kim, Jungim Han, Geunbae Lim
[11] Biosensors and Bioelectronics, 21, 11, 2161-2169, (2006)
Clinical evaluation of micro-scale chip-based PCR system for rapid detection of hepatitis B virus
Yoon-Kyoung Cho, Jintae Kim, Youngsun Lee, Young-A Kim, Kak Namkoong, Heekyun Lim,a Kwang W. Oh, Suhyeon Kim, Jungim Han, Chinsung Park, Y. Eugene Pak, Christopher Ko, Chang-Seok Ki, Jong Rak Choi and Hyeon-Koon Myeong
[10] Lab Chip, 5, 8, 845-850, (2005)
World-to-chip microfluidic interface with built-in valves for multichamber chip-based PCR assays
Kwang W. Oh,* Chinsung Park, Kak Namkoong, Jintae Kim, Kyeong-Sik Ock, Suhyeon Kim, Young-A Kim, Yoon-Kyoung Cho and Christopher Ko
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