Faculty Profiles - YOBAS Levent | The Hong Kong University of Science and Technology

2024 1

High-Performance Gel-Free and Label-Free Size Fractionation of Extracellular Vesicles with Two-Dimensional Electrophoresis in a Microfluidic Artificial Sieve

Analytical Chemistry, v. 96, (8), February 2024, p. 3508-3516
Bu, Yang; Wang, Jinhui; Ni, Sheng; Lu, Zechen; Guo, Yusong; Yobas, Levent
Article

2023 6

Accelerated Electrophoretic Focusing and Purification of DNA Based on Synchronous Coefficient of Drag Alteration

Analytical Chemistry, v. 95, (45), November 2023, p. 16453-16458
Bu, Yang; Ni, Sheng; Yobas, Levent
Article

Continuous-flow label-free size fractionation of extracellular vesicles through electrothermal fluid rolls and dielectrophoresis synergistically integrated in a microfluidic device

Lab on a Chip, March 2023
Bu, Yang; Wang, Jinhui; Ni, Sheng; Guo, Yusong; Yobas, Levent
Article

Nanobead-based single-molecule pulldown for single cells

Heliyon, v. 9, (11), November 2023, article number e22306
Zhao, Qirui; Shen, Yusheng; Li, Xiaofen; Li, Yulin; Tian, Fang; Yu, Xiaojie; Liu, Zhengzhao; Tong, Rongbiao; Park, Hyokeun; Yobas, Levent; Huang, Pingbo
Article

Sub-nL thin-film differential scanning calorimetry chip for rapid thermal analysis of liquid samples

Lab on a Chip, v. 23, (7), February 2023, p. 1926-1934
Ni, Sheng; Zhu, Hanliang; Neuzil, Pavel; Yobas, Levent
Article

A Facile Approach for Fabricating Ordered Submicrometer-Wide Surface Patterns By Imprinting Polydimethylsiloxane Cracks

2023 22nd International Conference on Solid-State Sensors, Actuators and Microsystems, Transducers 2023, 2023, p. 1340-1343
Bu, Yang; Ni, Sheng; Yobas, Levent
Conference paper

Continuous-Flow Size Fractionation of Submicron Particles and Extracellular Vesicles with Two-Dimensional Electrophoresis in an Artificial Sieving Array

Bu, Yang; Wang, Jinhui; Ni, Sheng; Lu, Zechen; Guo, Yusong; Yobas, Levent
Conference paper

2022 4

A Sub-nL Differential Scanning Calorimetry Chip for Liquid Crystal Phase Transition Characterization

IEEE Symposium on Mass Storage Systems and Technologies, v. 2022-January, January 2022, p. 134-137
Ni, Sheng; Bu, Yang; Zhu, Hanliang; Vashchenko, Valerii V.; Srivastava, Abhishek Kumar; Neuzil, Pavel; Yobas, Levent
Conference paper

Continuous-Flow Dielectrophoretic Separation of Submicron Polystyrene Particles with 200 nm Resolution Using Three-Dimensional Microelectrodes

MicroTAS 2022 - 26th International Conference on Miniaturized Systems for Chemistry and Life Sciences, October 2022, p. 182-183
Bu, Yang; Tang, Zili; Ni, Sheng; Yobas, Levent
Conference paper

Continuous-Flow Size Fractionation of Extracellular Vesicles Using a Micrifluidic Junction Featuring Electrode Microbridges

IEEE Symposium on Mass Storage Systems and Technologies, v. 2022, January 2022, p. 888-891
Bu, Yang; Ni, Sheng; Tang, Zili; Yobas, Levent
Conference paper

Sessile Droplet Differential Scanning Calorimetry Chip for Liquid Crystal Samples

MicroTAS 2022 - 26th International Conference on Miniaturized Systems for Chemistry and Life Sciences, October 2022, p. 136-137
Ni, Sheng; Bu, Yang; Zhu, Hanliang; Neuzil, Pavel; Yobas, Levent
Conference paper

2021 11

A Sub-nL Chip Calorimeter and Its Application to the Measurement of the Photothermal Transduction Efficiency of Plasmonic Nanoparticles

Journal of Microelectromechanical Systems, v. 30, (5), October 2021, p. 759-769
Ni, Sheng; Bu, Yang; Zhu, Hangliang; Neuzil, Pavel; Yobas, Levent
Article

Analyzing Protein-protein Interactions In Rare Cells Using Microbead-based Single-molecule Pulldown Assay

Lab on a Chip, v. 21, (16), 15 June 2021, p. 3137-3149
Zhao, Qirui; Shen, Yusheng; Li, Xiaofen; Tian, Fang; Yu, Xiaojie; Yobas, Levent; Park, Hyo Keun; Duan, Yuanyuan; Huang, Pingbo
Article

Electrokinetic oscillation, railing, and enrichment of submicron particles along 3D microelectrode tracks

Microfluidics and Nanofluidics, v. 25, (4), April 2021, article number 37
Kushigbor, Stanley Dickson Elinam; Tang, Zili; Bu, Yang; Yobas, Levent
Article

Ordered surface crack patterns in situ formed under confinement on fluidic microchannel boundaries in polydimethylsiloxane

Lab on a Chip, v. 21, (4), February 2021, p. 668-673
Bu, Yang; Ni, Sheng; Yobas, Levent
Article

A Sub-nL Chip Calorimeter for Thermal Characterization of a Nanofluid of Gold Nanorods

MicroTAS 2021 - 25th International Conference on Miniaturized Systems for Chemistry and Life Sciences, 2021, p. 169-170
Ni, Sheng; Bu, Yang; Zhu, Hanliang; Neuzil, Pavel; Yobas, Levent
Conference paper

Continuous-Flow Electrokinetic Enrichment/Separation of Nanoparticles Using 3d Microelectrode Tracks

Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS), v. 2021-January, January 2021, article number 9375161, p. 115-118
Tang, Zili; Kushigbor, Stanley D.; Yobas, Levent
Conference paper

Dielectrophoresis-Assisted Transfection of Cells Railing Along 3D Microelectrode Tracks

MicroTAS 2021 - 25th International Conference on Miniaturized Systems for Chemistry and Life Sciences, 2021, p. 43-44
Bu, Yang; Tang, Zili; Ni, Sheng; Yobas, Levent
Conference paper

Droplet-Based Differential Scanning Calorimetry System for Protein Thermal Analysis

MicroTAS 2021 - 25th International Conference on Miniaturized Systems for Chemistry and Life Sciences, 2021, p. 1001-1002
Zhu, Hanliang; Ni, Sheng; Yobas, Levent; Neuzil, Pavel
Conference paper

Enrichment of Nanoparticles on Microtracks by Dielectrophoresis and AC Electroosmosis

Tang, Zili; Kushigbor, Stanley Dickson Elinam; Yobas, Levent
Conference paper

Multifunctional 3D Viaduct Microelectrodes for Continuous-Flow Dielectrophoretic Railing and Electroporation of Cells Under Modulated Activation

21st International Conference on Solid-State Sensors, Actuators and Microsystems, TRANSDUCERS 2021, June 2021, p. 695-698
Tang, Zili; Kushigbor, Stanley; Bai, Junwu; Bu, Yang; Ni, Sheng; Yobas, Levent
Conference paper

Silicon-based micro/nanofluidic devices for cell and biomolecular separation and detection

Yobas, Levent
Conference paper

2020 11

A SiN Microcalorimeter and a Non-Contact Precision Method of Temperature Calibration

Journal of Microelectromechanical Systems, v. 29, (5), October 2020, article number 9146342, p. 1103-1105
Ni, Sheng; Zhu, Hanliang; Neuzil, Pavel; Yobas, Levent
Article

Conductance Interplay in Ion Concentration Polarization across 1D Nanochannels: Microchannel Surface Shunt and Nanochannel Conductance

Analytical Chemistry, v. 92, (1), January 2020, p. 1252-1259
Ahmed, Zisun; Bu, Yang; Yobas, Levent
Article

Heat Transfer Time Determination Based on DNA Melting Curve Analysis

Microfluidics and Nanofluidics, v. 24, (1), January 2020, article number 7
Zhu, Hanliang; Li, Huanan; Zhang, Haoqing; Fohlerova, Zdenka; Ni, Sheng; Klempa, Jaroslav; Gablech, Imrich; Hubalek, Jaromir; Chang, Honglong; Yobas, Levent; Neuzil, Pavel
Article

Nanolithography toolbox - Simplifying the design complexity of microfluidic chips

Journal of Vacuum Science and Technology B: Nanotechnology and Microelectronics, v. 38, (6), 10 November 2020, article number 063002
Zhang, Haoqing; Pekárek, Jan; Feng, Jianguo; Liu, Xiaocheng; Li, Huanan; Zhu, Hanliang; Svatoš, Vojtech; Gablech, Imrich; Podešva, Pavel; Ni, Sheng; Yobas, Levent; Neužil, Pavel
Article

Rapid Characterization of Biomolecules’ Thermal Stability in a Segmented Flow-Through Optofluidic Microsystem

Scientific Reports, v. 10, (1), April 2020, article number 6925
Fohlerova, Zdenka; Zhu, Hanliang; Hubalek, Jaromir; Ni, Sheng; Yobas, Levent; Podesva, Pavel; Otahal, Alexandr; Neuzil, Pavel
Article

The vision of point-of-care PCR tests for the COVID-19 pandemic and beyond

TrAC - Trends in Analytical Chemistry, v. 130, September 2020, article number 115984
Zhu, Hanliang; Zhang, Haoqing; Ni, Sheng; Korabečná, Marie; Yobas, Levent; Neuzil, Pavel
Article

Microfluidics and bioMEMS in silicon

Handbook of Silicon Based MEMS Materials and Technologies: Micro and Nano Technologies / Edited by Markku Tilli, Mervi Paulasto-Krockel, Matthias Petzold, Horst Theuss, Teruaki Motooka, Veikko Lindroos. Amsterdam, Netherlands : Elsevier, 2020, p. 547-563, Ch. 22
Franssila, Sami; Davis, Cristina E.; Levasseur, Michael K.; Cao, Zhen; Yobas, Levent
Book chapter

A Compact MEMS Chip for a Rapid and Highly Accurate Picoliter Calorimetry

Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS), v. 2020-January, January 2020, article number 9056359, p. 1006-1009
Ni, Sheng; Zhu, Hanliang; Neuzil, Pavel; Yobas, Levent
Conference paper

A compact microcalorimeter for the rapid characterization of liquid thermal properties

Ni, Sheng; Zhu, Hanliang; Neuzil, Pavel; Yobas, Levent
Conference paper

A novel nanobead-based single-molecule pull-down for cell populations single cells

Zhao, Qirui; Shen, Yusheng; Tian, Fang; Yobas, Levent; Park, Hyo Keun; Huang, Pingbo
Conference paper

Railing Nanoparticles Along Activated Tracks Towards Continuous-Flow Electrokinetic Enrichment from Blood Plasma

Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS, v. 2020-July, July 2020, article number 9176283, p. 2249-2252
Kushigbor, Stanley Dickson Elinam; Tang, Zili; Yobas, Levent
Conference paper

2019 5

A nanofluidic memristor based on ion concentration polarization

Analyst, v. 144, (24), December 2019, p. 7168-7172
Bu, Yang; Ahmed, Zisun; Yobas, Levent
Article

Single-cell Point Constrictions for Reagent-free High-throughput Mechanical Lysis and Intact Nuclei Isolation

Micromachines, v.10, (7), July 2019, article number 488
Huang, Xiaomin; Xing, Xiaoxing; Ng, Chun Ning; Yobas, Levent
Article

A nanofluidic memristor based on ion concentration polarization

Bu, Yang; Ahmed, Zisun; Yobas, Levent
Conference paper

Coupling electrothermal rolls and dielectropheresis for continuous-flow separation of nanoparticles

Kushigbor, Stanley; Yobas, Levent
Conference paper

Three-dimensional laminar-flow micromixer for kinetic studies of increased accuracy through a prefocused stream injection

Ni, Sheng; Yobas, Levent
Conference paper

2018 8

A Low-Backpressure Single-Cell Point Constriction for Cytosolic Delivery Based on Rapid Membrane Deformations

Analytical Chemistry, v. 90, (3), February 2018, p. 1836-1844
Xing, Xiaoxing; Pan, Yueyue; Yobas, Levent
Article

Label-Free Multiplexed Electrical Detection of Cancer Markers on a Microchip Featuring an Integrated Fluidic Diode Nanopore Array

ACS Nano, v. 12, (8), August 2018, p. 7892-7900
Duan, Lian; Yobas, Levent
Article

Railing cells along 3D microelectrode tracks for continuous-flow dielectrophoretic sorting

Lab on a Chip, v. 18, (24), December 2018, p. 3760-3769
Xing, Xiaoxing; Ng, Chun Ning; Chau, Ming Lok; Yobas, Levent
Article

3D nanostructures fabricated via low-resolution optical lithography for biomolecular separation and detection

Duan, Lian; Yobas, Levent
Conference paper

Direct Observation of Electrospraying Droplets From Self-Enclosed Glass Nanonozzle Emitters Integrated on Silicon

22nd International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2018, v. 1, 2018, p. 458-461
Duan, Lian; Huang, Xiaomin; Djuemo, Irving; Abelmann, Leon; Manz, Andreas; Yobas, Levent
Conference paper

Ion Concentration Polarization Characteristics of a Single Glass Nanopore in an Array Integrated on Silicon Through Low-Resolution Photolithography

22nd International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2018, v. 1, 2018, p. 362-365
Duan, Lian; Ahmed, Zisun; Yobas, Levent
Conference paper

Robust Biochips for Dielectrophoretic Sorting and Mechanical Poration of Cells

Yobas, Levent
Conference paper

Two Dimensional Confinement in Nanocapillaries and Consequent Suppression of Overlimiting Current

22nd International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2018, v. 1, 201, p. 443-446
Ahmed, Zisun; Duan, Lian; Yobas, Levent
Conference paper

2017 9

Continuous-Flow Electrophoresis of DNA and Proteins in a Two-Dimensional Capillary-Well Sieve

Analytical Chemistry, v. 89, (18), September 2017, p. 10022-10028
Duan, Lian; Cao, Zhen; Yobas, Levent
Article

Mechanical Characterization of Microengineered Epithelial Cysts by Using Atomic Force Microscopy

Biophysical Journal, v. 112, (2), January 2017, p. 398-409
Shen, Yusheng; Guan, Dongshi; Serien, Daniela; Takeuchi, Shoji; Tong, Penger; Yobas, Levent; Huang, Pingbo
Article

On-chip hydrodynamic chromatography of DNA through centimeters-long glass nanocapillaries

Analyst, v. 142, (12), May 2017, p. 2191-2198
Duan, Lian; Yobas, Levent
Article

Continuous-Flow Electrophoretic Separation of Biomolecules in a Two-Dimensional Capillary-Well Motif

2017 IEEE 30th International Conference on Micro Electro Mechanical Systems (MEMS 2017), March 2017, p. 137-140
Duan, Lian; Xing, Xiaoxing; Yobas, Levent
Conference paper

Dielectrophoretic Cell Sorting via Sliding Cells on 3D Silicon Microelectrodes

2017 IEEE 30th International Conference on Micro Electro Mechanical Systems (MEMS), February 2017, article number 7863362, p. 147-150
Xing, Xiaoxing; Chau, Ming Lok; Roshan, Kamyar A.; Yobas, Levent
Conference paper

Nanofluidic Diode Biosensor Featuring a Single Nanoslit for Label-free Detection of Cardiac Troponin Biomarker

TRANSDUCERS 2017 - 19th International Conference on Solid-State Sensors, Actuators and Microsystems, July 2017, article number 7994183, p. 854-857
Yeasmin, Sanjida; Xing, Xiaoxing; Duan, Lian; Yobas, Levent
Conference paper

Numerical simulation for cell railing on 3D silicon microelectrodes featuring sidewall undercuts

Proceedings of the 21st International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS 2017), February 2020, p. 822-823
Chau, Ming Lok; Xing, Xiaoxing; Yobas, Levent
Conference paper

Pressure-driven Separation of DNA by Using Self-enclosed Integrated Glass Nanocapllary

TRANSDUCERS 2017 - 19th International Conference on Solid-State Sensors, Actuators and Microsystems, July 2017, article number 7994406, p. 1750-1753
Duan, Lian; Yobas, Levent
Conference paper

Reagent-free-high-throughput extraction of nuclear acids and proteins via rapid mechanical cell lysis using silicon point-constructions

Proceedings of the 21st International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS 2017), February 2020, p. 1481-1482
Huang, Xiaomin; Pan, Yueyue; Xing, Xiaoxing; Yobas, Levent
Conference paper

2016 9

Continuous-Flow Electrokinetic-Assisted Plasmapheresis by Using Three-Dimensional Microelectrodes Featuring Sidewall Undercuts

Analytical Chemistry, v. 88, (10), May 2016, p. 5197-5204
Xing, Xiaoxing; He, Minghao; Qiu, Huihe; Yobas, Levent
Article

Pressure-Driven Chromatographic Separation Modes in Self Enclosed Integrated Nanocapillaries

Analytical Chemistry, v. 88, (23), December 2016, p. 11601-11608
Duan, Lian; Cao, Zhen; Yobas, Levent
Article

Slowing DNA Translocation in a Nanofluidic Field-Effect Transistor

ACS Nano, v. 10, (4), April 2016, p. 3985-3994
Liu, Yifan; Yobas, Levent
Article

Two-dimensional Hydrodynamic Flow Focusing in a Microfluidic Platform Featuring a Monolithic Integrated Glass Micronozzle

Applied Physics Letters, v. 109, (14), October 2016, article number 144101
Liu, Yifan; Shen, Yusheng; Duan, Lian; Yobas, Levent
Article

A Single-Cell Impedance Flow Cytometry Microsystem Based On 3D Silicon Microelectrodes

2016 IEEE 29th International Conference on Micro Electro Mechanical Systems (MEMS), v. 2016-February, February 2016, article number 7421737, p. 749-752
Xing, Xiaoxing; Yobas, Levent
Conference paper

Continuous-Flow Biomolecule Separation Through a 2D Periodic Array Based on a Glass Capillary-Well Motif

20th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2016, Chemical and Biological Microsystems Society, 2016, p. 1459-1460
Duan, Lian; Yobas, Levent
Conference paper

Pressure Driven Liquid Chromatography in Self-Enclosed Glass Microcapillaries Integrated on Silicon

2016 IEEE 29th International Conference on Micro Electro Mechanical Systems (MEMS), v. 2016-February, February 2016, article number 7421745, p. 780-783
Duan, Lian; Cao, Zhen; Yobas, Levent
Conference paper

Protein Purification and Separation Using Integrated Glass Nanocapillaries Under Pressure-Driven Conditions

20th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2016, 2016, p. 1428-1429
Duan, Lian; Yobas, Levent
Conference paper

Scrape-Loading Assisted Intracellular Delivery via Microconstriction Featuring a Sharp Edge

20th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2016, Chemical and Biological Microsystems Society, 2016, p. 325-326
Pan, Yueyue; Xing, Xiaoxing; Duan, Lian; Yobas, Levent
Conference paper

2015 10

Dielectrophoretic isolation of cells using 3D microelectrodes featuring castellated blocks

Analyst, v. 140, (10), May 2015, p. 3397-3405
Xing, Xiaoxing; Yobas, Levent
Article

Gel-Free Electrophoresis of DNA and Proteins on Chips Featuring a 70 nm Capillary-Well Motif

ACS Nano, v. 9, (1), January 2015, p. 427-435
Cao, Zhen; Yobas, Levent
Article

In vitro epithelial organoid generation induced by substrate nanotopography

Scientific Reports, v.5, March 2015, article number 9293
Shen, Yusheng; Hou, Youmin; Yao, Shuhuai; Huang, Pingbo; Yobas, Levent
Article

Microfluidic emulsification through a monolithic integrated glass micronozzle suspended inside a flow-focusing geometry

Applied Physics Letters, v. 106, (17), April 2015, article number 174101
Liu, Yifan; Yobas, Levent
Article

Microfluidics and bioMEMS in silicon

Handbook of Silicon Based MEMS Materials and Technologies: Micro and Nano Technologies / Edited by Markku Tilli, Teruaki Motooka, Veli-Matti Airaksinen, Sami Franssila, Mervi Paulasto-Kröckel, Veikko Lindroos. Netherlands : Elsevie, 2015, p. 565-581, Ch. 27
Franssila, Sami; Davis, Christina; Levasseur, Michael; Cao, Zhen; Yobas, Levent
Book chapter

3D Silicon Electrodes with Built-in Glass Capillaries for Dielectrophoretic Single-Cell Positioning and Analysis

2015 Transducers - 2015 18th International Conference on Solid-State Sensors, Actuators and Microsystems, Institute of Electrical and Electronics Engineers ( IEEE ), 2015, p. 540-543
Luo, Y.; Yobas, Levent
Conference paper

Continuous-flow dielectrophoretic sorting of particles via 3D silicon electrodes featuring castellated sidewalls

Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS), January 2015, article number 7051003, p. 508-511
Xing, Xiaoxing; Yobaş, Levent
Conference paper

High Performance Sieving of Biomolecules in a Capillary-Well Motif

2015 Transducers - 2015 18th International Conference on Solid-State Sensors, Actuators and Microsystems /IEEE. New York, USA : Institute of Electrical and Electronics Engineers (IEEE), 2015, p. 452-455, Article number 7180958
Cao, Zhen; Yobas, Levent
Conference paper

Mechanical Characterization of Microengineered Epithelial Cysts Using Atomic Force Microscopy

MicroTAS 2015 - 19th International Conference on Miniaturized Systems for Chemistry and Life Sciences, 2015, p. 173-175
Shen, Yusheng; Guan, Dongshi; Serien, Daniela; Takeuchi, Shoji; Tong, Penger; Huang, Pingbo; Yobas, Levent
Conference paper

Monolithic Integrated Glass Micronozzle Emitters on Silicon for Nano-electrospray Ionization Mass Spectrometry

MicroTAS 2015 - 19th International Conference on Miniaturized Systems for Chemistry and Life Sciences 2015, Chemical and Biological Microsystems Society, 2015, p. 1749-1751
Duan, Lian; Liu, Yifan; Yobas, Levent
Conference paper

2014 16

Fast DNA Sieving through Submicrometer Cylindrical Glass Capillary Matrix

Analytical Chemistry, v. 86, (1), January 2014, p. 737-743
Cao, Zhen; Yobas, Levent
Article

Flow-through electroporation of mammalian cells in decoupled flow streams using microcapillaries

Biomicrofluidics, v. 8, (5), 2014, article number 052101
Luo, Yuan; Yobas, Levent
Article

Forces acting on a particle in a concentration gradient under an externally applied oscillating electric field

Applied Physics Letters, v. 105, (9), September 2014, article number 094105
Luo, Yuan; Yobas, Levent
Article

Induced hydraulic pumping via integrated submicrometer cylindrical glass capillaries

Electrophoresis, v. 35, (16), 2014, p. 2353-2360
Cao, Zhen; Yobas, Levent
Article

Label-free enumeration of colorectal cancer cells from lymphocytes performed at a high cell-loading density by using interdigitated ring-array microelectrodes

Biosensors and Bioelectronics, v. 61, November 2014, p. 434-442
Xing, Xiaoxing; Poon, Randy Yat Choi; Wong, Cesar; Yobas, Levent
Article

Label-Free Specific Detection of Femtomolar Cardiac Troponin Using an Integrated Nanoslit Array Fluidic Diode

Nano Letters, v. 14, (12), December 2014, p. 6983-6990
Liu, Yifan; Yobas, Levent
Article

Microfluidic-based Metal Enhanced Fluorescence for Capillary Electrophoresis by Ag Nanorod Arrays

Nanotechnology, v. 25, (22), June 2014, article number 225502
Xiao, Chenyu; Cao, Zhen; Deng, Junhong; Huang, Zhifeng; Xu, Zheng; Fu, Junxue; Yobas, Levent
Article

3D dielectrophoresis for effective cell manipulation through constrictions on a transparent substrate

Xing, Xiaoxing; Yobas, Levent
Conference paper

A Novel Nanofluidic Diode Based on an Asymmetric Nanoslit Array for Label-Free Protein Detection

18th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2014. , 2014, p. 1978-1980
Liu, Yifan; Yobas, Levent
Conference paper

Cell and Molecule Separation in 3D Microdevices

Yobas, Levent
Conference paper

Dielectrophoretic (DEP) separation of live/dead cells on a glass slide functionalized with interdigitated 3D silicon ring microelectrodes

Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS), 2014, article number 6765800, p. 951-954
Xing, Xiaoxing; Yobas, Levent
Conference paper

In vitro epithelial organoid generation induced by substrate nanotopography

Shen, Yusheng; Huang, Pingbo; Yobas, Levent
Conference paper

Induced Hydraulic Pumping on Microchips through Monolithic Integration of Self-enclosed Cylindrical Submicron Capillaries

Cao, Zhen; Yobas, Levent
Conference paper

Microcapillary-coupled Flow-through AC Electroporation Microdevice

Luo, Yuan; Yobas, Levent
Conference paper

On-chip generation of monodispersed emulsions independent of surface wettability through a suspended glass micronozzle

Liu, Yifan; Yobas, Levent
Conference paper

Silicon-based microsystems: from cells to molecules

Yobas, Levent
Conference paper

2013 8

Interdigitated 3-D Silicon Ring Microelectrodes for DEP-Based Particle Manipulation

Journal of Microelectromechanical Systems, v. 22, (2), April 2013, article number 6341027, p. 363-371
Xing, Xiaoxing; Zhang, Mengying; Yobas, Levent
Article

Label-free electrical quantification of amplified nucleic acids through nanofluidic diodes

Biosensors and Bioelectronics, v. 50, December 2013, p. 78-83
Liu, Yifan; Yobas, Levent
Article

Microchannel plate (MCP) functionalized with Ag nanorods as a high-porosity stable SERS-active membrane

Sensors and Actuators, B: Chemical, v. 184, 2013, p. 235-242
Zhang, Mengying; Cao, Zhen; Yobas, Levent
Article

Microchannel plate as a novel bipolar electrode for high-performance enrichment of anions

Electrophoresis, v. 34, (14), July 2013, p. 1991-1997
Cao, Zhen; Yobas, Levent
Article

Microsystems for cell-based electrophysiology

Journal of Micromechanics and Microengineering, v. 23, (8), August 2013, article number 083002
Yobas, Levent
Article

Self-formed cylindrical microcapillaries through surface migration of silicon and their application to single-cell analysis

Journal of Micromechanics and Microengineering, v. 23, (5), May 2013, article number 055001
Zeng, Fan; Luo, Yuan; Yobas, Levent; Wong, Man
Article

Fast DNA Sieving through Self-enclosed Submicron Glass Capillary Segments

17th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2013, v. 1, 2013, p. 557-559
Cao, Zhen; Yobas, Levent
Conference paper

Microfluidic Integration of Plasmonic Applications for Highly Sensitive Bioanalysis

17th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2013, v. 3, 2013, p. 1511-1513
Xiao, Chen Yu; Cao, Zhen; Huang, Zhi Feng; Xu, Zheng; Fu, Junxue; Yobas, Levent
Conference paper

2012 15

Cylindrical glass nanocapillaries patterned via coarse lithography (>1 μm) for biomicrofluidic applications

Biomicrofluidics, v.6, (4), 2012, Dec, article number 046502
Liu, Yifan; Yobas, Levent
Article

Microcapillary-assisted dielectrophoresis for single-particle positioning

Lab on a chip, v. 12, (20), 2012, p. 4085-4092
Luo, Yuan; Cao, Xu; Huang, Pingbo; Yobas, Levent
Article

Microchannel plate electro-osmotic pump

Microfluidics and nanofluidics, v.13, (2), 2012, Dec, p. 279-288
Cao, Zhen; Luo, Yuan; Liu, Yifan; Yao, Shuhuai; Yobas, Levent
Article

Monolithic integration of fine cylindrical glass microcapillaries on silicon for electrophoretic separation of biomolecules

Biomicrofluidics, v. 6, (3), September 2012, article number 036501
Cao, Zhen; Ren, Kangning; Wu, Hongkai; Yobas, Levent
Article

UV-illuminated dielectrophoresis by two-dimensional electron gas (2DEG) in AlGaN/GaN heterojunction

Physica status solidi. A, Applications and materials science, v. 209, (11), November 2012, p. 2223-2228
Fu, Junxue; Luo, Yuan; Yobas, Levent; Chen, Kevin J.
Article

A novel fabrication method of microcapillaries via silicon surface migration and their application to single cell analysis

2013 Transducers and Eurosensors XXVII: The 17th International Conference on Solid-State Sensors, Actuators and Microsystems, Barcelona, Spain, 16-20 June 2013, p. 2377-2380
Luo, Yuan; Zeng, Fan; Yobas, Levent; Wong, Man
Conference paper

A novel fabrication method of microcapillaries via silicon surface migration and their application to single-cell impedance spectroscopy

The 5th International Symposium on Microchemistry and Microsystems (ISSM), Xiamen, China, 16-19 May 2013
Luo, Yuan; Zeng, Fan; Yobas, Levent; Wong, Man
Conference paper

A novel microcapillary-based dielectrophoresis for single cell positioning and analysis

The 4th International Symposium on Microchemistry and Microsystems (ISMM), Zhubei City, Hsinchu County, Taiwan, 2012
Luo, Yuan; Yobas, Levent
Conference paper

DEP-activated cell separation by Interdigitated 3-D Silicon Ring electrodes

The 4th International Conference on Advances in Microfluidics and Nanofluidics (AMN 2013), University of Notre Dame, IN, USA, 24-26 May 2013
Xing, Xiaoxing; Yobas, Levent
Conference paper

Interdigitated 3-D silicon ring electrodes for DEP-activated cell separation

International Symposium on Microchemistry and Microsystems (ISSM), Xiamen, China\16-19 May 2013
Xing, Xiaoxing; Yobas, Levent
Conference paper

Self-enclosed cylindrical glass nanocapillary array for DNA separation

The 4th International Conference on Advances in Microfluidics and Nanofluidics (AMN 2013), University of Notre Dame, IN, USA, 24-26 May 2013
Cao, Zhen; Yobas, Levent
Conference paper

Self-enclosed cylindrical submicron glass capillary array for DNA separation

The 5th International Symposium on Microchemistry and Microsystems (ISSM), Xiamen, China\16-19 May 2013
Cao, Zhen; Yobas, Levent
Conference paper

Self-sealed glass micro-capillaries for chip-based capillary electrophoresis

The 4th International Symposium on Microchemistry and Microsystems (ISMM2012), Zhubei City, Hsinchu County, Taiwan, 2012
Cao, Zhen; Luo, Yuan; Fu, Junxue; Ren, Kangning; Wu, Hongkai; Yobas, Levent
Conference paper

Stretching DNA in nanocapillaries fabricated through coarse (>1μm) lithography

International Symposium on Microchemistry and Microsystems (ISSM), Xiamen, China, 16-19 May 2013
Liu, Yifan; Yobas, Levent
Conference paper

The Effect of Asymmetry on Particle Focusing in Microchannels

Advanced materials research, v. 403, 2012, p. 482-485
Trabzon, Levent; Kizil, Huseyin; Yobas, Levent; Ozbey, Arzu; Yilmaz, Mustafa; Cengiz, Meral; Trabzon, Metin; Ordu, Mustafa; Kaygusuz, Nihat
Conference paper

2011 5

A 'microfluidic pinball' for on-chip generation of Layer-by-Layer polyelectrolyte microcapsules

Lab on a chip, v. 11, (6), 2011, p. 1030-1035
Kantak, Chaitanya; Beyer, Sebastian; Yobas, Levent; Bansal, Tushar; Trau, Dieter
Article

Localized oblique-angle deposition: Ag nanorods on microstructured surfaces and their SERS characteristics

Nanotechnology, v. 22, (50), 2011
Fu, Junxue; Cao, Zhen; Yobas, Levent
Article

A patch-clamp microdevice with dielectrophoretic (DEP) cell guidance

The 3rd International Symposium on Microchemistry and Microsystems (ISMM), Seoul, Korea, 2011
Luo, Yuan; Fu, Junxue; Yobas, Levent
Conference paper

Ag Nanorods Prepared by Localized Oblique Angle Deposition as SERS-active Substrate

The 2nd International Conference on Frontiers of Plasmonics (FOP2), Sichuan University, Chengdu, Sichuan, China
Fu, Junxue; Cao, Zhen; Yobas, Levent
Conference paper

Stealth Electrode Dielectrophoresis: Microspheres Manipulation by Patterned 2-Dimensional Electron Gas (2DEG) in AlGaN/GaN Heterostructures

ISMM 2011 in Conjunction with the KBCS Spring Meeting, Seoul, Korea, from June 2 to 4, 2011. Abstract: F3-056
Fu, Junxue; Yobas, Levent; Chen, Kevin J.
Conference paper

2010 2

Design and fabrication of Poly(dimethylsiloxane) arrayed waveguide grating

Optics express, v. 18, (21), October 2010, p. 21732-21742
Kee, Jack Sheng; Poenar, Daniel Puiu; Neuzil, Pavel; Yobas, Levent; Chen, Yu
Article

Versatile label free biochip for the detection of circulating tumor cells from peripheral blood in cancer patients

Biosensors and Bioelectronics, v. 26, (4), 2010, p. 1701-1705
Tan, S.J.; Lakshmi, R.L.; Chen, P.; Lim, W.T.; Yobas, L.; Lim, C.T.
Article

2009 11

A self-contained fully-enclosed microfluidic cartridge for lab-on-a-chip

Biomedical Microdevices, v. 11, (6), 2009, p. 1279-1288
Yobas, Levent; Cheow, L.F.; Tang, K.C.; Yong, S. -E; Ong, E.K.Z.; Wong, L.; Teo, W.; Ji, H.M.; Rafaeh, S.; Yu, C.
Article

Design and fabrication of Poly(dimethylsiloxane) singlemode rib waveguide

Optics Express, v. 17, (14), 2009, p. 11739-11746
Sheng, J.K.; Poenar, D.P.; Neuzil, P.; Yobas, Levent
Article

Microdevice for the isolation and enumeration of cancer cells from blood

Biomedical Microdevices, v. 11, (4), 2009, p. 883-892
Tan, S.J.; Yobas, Levent; Lee, G.Y.H.; Ong, C.N.; Lim, C.T.
Article

Microdroplet formation of water and nanofluids in heat-induced microfluidic T-junction

Microfluid Nanofluid., v. 6, (2), 2009, p. 253-259
Murshed, S.M.S.; Tan, S.H.; Nguyen, N.T.; Wong, T.N.; Yobas, Levent
Article

Preparation of a SERS substrate and its sampleloading method for point-of-use application

Nanotechnology, v. 20, (40), 2009, article number 405604
Fang, AOC; Agarwal, A.; Ji, H.; Karen, W.Y.; Yobas, Levent
Article

The shape of a step structure as a design aspect to control droplet generation in microfluidics

J Micromech & Microeng, v. 20, (3), 2009, article number 035010
Sim, S.P.C.; Kang, T.G.; Yobas, Levent; Holtze, C.; Weitz, D.A.
Article

Thermally mediated control of liquid microdroplets at a bifurcation

J. Phys. D: Appl. Phys., v. 42, (6), article number 065503
Yap, Y.F.; Tan, S.H.; Nguyen, N.T.; Murshed, S.M.S.; Wong, T.N.; Yobas, Levent
Article

A silicon-based microchip with a standard 1536-well format for lateral patch-clamping

Proceedings of μTAS 2009, 13th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Jeju Korea, Novermber 1-5 2009
Reboud, J.; Kwok, J.L.; Peng, S.L.; Tang, K.C.; Yobas, Levent
Conference paper

Bioelectronics – The Next Wave

International Conference on Materials for Advanced Technologies (ICMAT), Singapore, 28 June – 3 July 2009, (Invited)
Yobas, Levent
Conference paper

Biomicrofluidics & Biosensors

The 13th International Conference on Biomedical Engineering, singapore, 3-6 December 2008, p. 96 (Invited)
Yobas, Levent
Conference paper

Generating droplets at a broad operating range through a flow-focusing geometry with a simple step profile

Proceedings of μTAS 2009, 13th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Jeju Korea, Novermber 1-5 2009
Kang, T.G.; Sim, S.P.C.; Yobas, Levent; Weitz, D.
Conference paper

2008 13

A disposable planar peristaltic pump for Lab-on-a-Chip

Lab Chip, v. 8, 2008, p. 660-662
Yobas, Levent; Tang, K.C.; Yong, S.E.; Ong, E.K.Z.
Article

A procedure for the motion of particle-encapsulated droplets in microchannels

Numerical Heat Transfer Part B – Fundamentals, v. 53, (1), 2008, p. 59-74
Yap, Y.F.; Chai, J.C.; Wong, T.N.; Nguyen, N.T.; Toh, K.C.; Zhang, H.Y.; Yobas, Levent
Article

Monolithic integration of Poly(dimethylsiloxane) waveguides and microfluidics for on-chip absorbance measurements

Sensors and Actuators, v. 134, (2), B 2009, p. 532-538
Sheng, J.K.; Poenar, D.P.; Neuzil, P.; Yobas, Levent
Article

Self-sealed circular channels for micro-fluidics

Sensors and Actuators A (2008), v. 142, (1), March 10 2008 p. 80-87
Agarwal, A.; Ranganathan, N.; Ong, W.L.; Tang, K.C.; Yobas, Levent
Article

Silicon-based microfilters for whole blood cell separation

Biomedical Microdevices, v. 10, (2), 2008, p. 251-257
Ji, H.M.; Samper, V.; Chen, Y.; Heng, C.K.; Lim, T.M.; Yobas, Levent
Article

Thermally controlled droplet formation in flow focusing geometry: formation regimes and effect of nanoparticle suspension

J. Phys. D:Appl. Phys., v. 41, (16), 2008, acticel number 165501
Tan, S.H.; Murshed, S.M.S.; Nguyen, N.T.; Wong, T.N.; Yobas, Levent
Article

A microfluidic device for continuous-flow layer-by-layer encapsulation of droplets with polyelectrolytes

Proceedings of μTAS 2008, 12th International Conference on Miniaturized Systems in Chemistry and Life Sciences, San Diego California USA, October 12-16 2008, p. 1402-1404
Zhang, S.; Yobas, Levent; Trau, D.
Conference paper

Dengue RNA extraction in a fully enclosed self-contained lab-on-a-chip (LOC) cartridge

Proceedings of μTAS 2008, 12th International Conference on Miniaturized Systems in Chemistry and Life Sciences, San Diego California USA, October 12-16 2008, p. 1099-1101
Yobas, Levent; Rafeah, S.; Li, Z.; Yong, S.E.; Ong, K.Z.; Lau, K.; Chow, V.T.K.; Heng, C.K.
Conference paper

Enumarating viable circulating tumor cells for cancer diagnostics

Proceedings of μTAS 2008, 12th International Conference on Miniaturized Systems in Chemistry and Life Sciences San Diego California USA, October 12-16 2008, p. 1178-1180
Tan, S.J.; Yobas, Levent; Lee, G.Y.H.; Ong, C.N.; Lim, C.T.
Conference paper

Microdevice for isolating viable circulating tumor cells

Proceedings of International Conference on Biocomputation, Bioinformatics, and Biomedical Technologies, BIOTECHNO, June 29 – July 05 2008, p. 109-113
Tan, S.J.; Yobas, Levent; Lee, G.Y.H.; Ong, C.N.; Lim, C.T.
Conference paper

Microdevice for trapping circulating tumor cells for cancer diagnostics

The 13th International Conference on Biomedical Engineering, sinapore, December 3-6 2008, p.106
Tan, S.J.; Yobas, Levent; Lee, G.Y.H.; Ong, C.N.; Lim, C.T.
Conference paper

Nucleic acid sample preparation for dengue virus using a chip-based RNA extractor in a self-contained microsystem

The 13th International Conference on Biomedical Engineering, singapore, December 3-6 2008, p. 180
Li, Z.; Rafeah, S.R.M.; Xie, L.; Chew, M.B.R.; Premchandra, C.S.; Ji, H.M.; Chen, Y.; Yobas, Levent; Rajoo, R.; Ong, K.L.; Tan, R.; Lau, K.S.H.; Chow, V.T.K.; Heng, C.K.; Teo, K.H.
Conference paper

Patch-clamping in droplet arrays: Single cell positioning via dielectrophoresis

The 13th International Conference on Biomedical Engineering, singapore, December 3-6 2008, p.112
Reboud, J.; Luong, M.Q.; Rosales, C.; Yobas, Levent
Conference paper

2007 13

Digital Microfluidics: Droplet-based logic gates

Applied Physics Letters, v. 90, (5), January 2007, article number 054107
Cheow, L.F.; Yobas, Levent; Kwong, D.L.
Article

Experimental and computational analysis of droplet formation in a high-performance flow-focusing geometry

Sensors and Actuators A (2007), v 138, (1), July 20 2007, p. 203-212
Ong, W.L.; Hua, J.; Zhang, B.; Teo, T.Y.; Zhio, J.; Nguyen, N.T.; Ranganathan, N.; Yobas, Levent
Article

Microfluidic integration of substantially round glass capillaries for lateral patch clamping on chip

Lab Chip, v. 7, (10), 2007, p. 1357-1366
Ong, W.L.; Tang, K.C.; Agarwal, A.; Nagarajan, R.; Luo, L.W.; Yobas, Levent
Article

Microfluidic systems for extracting nucleic acids for DNA and RNA analysis

Sensors and Actuators A (2007), v. 133, (2), February 12 2007, p. 335-339
Hui, W.C.; Yobas, Levent; Samper, V.D.; Heng, C.K.; Liw, S.; Ji, H.M.; Chen, Y.; Lin, C.; Li, J.; Lim, T.M.
Article

Micromixing crowded biological agents by folding slugs through pillars

Sensors and Actuators B 2007, v. 128, (1), 2007, p. 340-348
Tang, K.C.; Wibowo, R.M.; Ghista, D.N.; Yobas, Levent
Article

Nucleic acid extraction, amplification, and detection on Si-based microfluidic platforms

IEEE Journal of Solid-State Circuits (2007), v. 42, (8), Auguest 8 2007, p. 1803-1813
Yobas, Levent; Ji, H.; Hui, W.; Chen, Y.; Lim, TM; Heng, CK; Kwong,D-L
Article

Rapid prototyping of microfluidic systems using a laser-patterned tape

J of Micromechanics and Microengineering, v. 17, (12), 2007, p. N107-N1111
Luo, L.W.; Teo, C.Y.; Ong, W.L.; Tang, K.C.; Cheow, L.F.; Yobas, Levent
Article

Thermally mediated droplet formation in microchannels

Applied Physics Letters, v. 91, (8), August 2007, article number 084102
Nguyen, N.T.; Ting, T.H.; Yap, Y.F.; Wong, T.N.; Chai, J.C.K.; Ong, W.L.; Zhou, J.; Tan, S.H.; Yobas, Levent
Article

A disposable magnetic planar peristaltic pump for selfcontained lab-on-a-chip (LOC) cartridge

Proceedings of μTAS 2007, 11th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Paris France, October 7-11 2007, Vol. 1, p. 685-687
Yobas, Levent; Cheow, L.F.; Tang, K.C.; Teo, C. -Y
Conference paper

Continuous-flow layer-by-layer encapsulation with polyelectrolytes through a microfluidic device

Proceedings of μTAS 2007, 11th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Paris France, October 7-11 2007, Vol. 2, p. 1528-1530
Peng, K.Q.; Ong, W.L.; Yobas, Levent; Trau, D.
Conference paper

Heat-polishing integrated glass patch capillaries for enhanced gigaseals

Proceedings of μTAS 2007, 11th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Paris France, October 7-11 2007, Vol. 1, p. 140-142
Ong, W.L.; Luo, L.W.; Ajay, A.; Ranganathan, N.; Tang, K.C.; Yobas, Levent
Conference paper

Multi-total internal reflection in polydimethylsiloxane microfluidics for enhanced absorbance detection

Proceedings of μTAS 2007, 11th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Paris France, October 7-11 2007, Vol. 2, p. 1661-
Sheng, J.K.; Poenar, D.P.; Yobas, Levent
Conference paper

Thermal control of droplet size in microchanels

Proceedings of μTAS 2007, 11th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Paris France, October 7-11 2007, Vol.2, p. 1562-1564
Nguyen, N.T.; Ting, T.H.; Yap, Y.F.; Wong, T.N.; Chai, J.C.K.; Ong, W.L.; Zhou, J.; Tan, S.H.; Yobas, Levent
Conference paper

2006 17

Buried microfluidic channel for integrated patch-clamping assay

Applied Physics Letters, v. 89, (9), August 2006, article number 093902
Ong, W.L.; Kee, J.S.; Ajay, A.; Ranganathan, N.; Tang, K.C.; Yobas, Levent
Article

High-performance flow-focusing geometry for spontaneous generation of monodispersed droplets

Lab Chip, v. 6, (8), Aug 2006, p. 1073-1079
Yobas, Levent; Martens, S.; Ong, W.L.; Ranganathan, N.
Article

Thermally mediated breakup of drops in microchannels

Applied Physics Letters, v. 89, (23), December 2006, article number 234101
Ting, T.H.; Yap, Y.F.; Nguyen, N.T.; Wong, T.N.; Chai, J.C.K.; Yobas, Levent
Article

A missing factor in chip-based patch clamp assay: Gigaseal

Journal of Physics: Conference Series, 2006, p.187-191
Ong, W.L.; Yobas, Levent; Ong, W.Y.
Conference paper

Array of silicon lateral traps with highdensity self-sealing fluidic interconnects for cell-based assays

APCOT, Singapore, 2006
Ong, W.L.; Yang, W.; Ranganathan, N.; Tang, K.C.; Yobas, Levent
Conference paper

Evaluation of bonding between oxygen plasma treated polydimethyl siloxane and passivated silicon

Journal of Physics: Conference Series, 2006, p. 155-161
Tang, K.C.; Liao, E.; Ong, W.L.; Wong, J.D.S.; Agarwal, A.; Nagarajan, R.; Yobas, Levent
Conference paper

Fully circular self-sealed channels for microfluidics

Eurosensors XX, GÖTEBORG, SWEDEN, 2006
Agarwal, A.; Ranganathan, N.; Ong, W.L.; Yobas, Levent
Conference paper

Fully-Round Buried Microchannels in Glass For Lateral Patch Clamping

Proceedings of μTAS 2006, 10th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Tokyo Japan, November 5-9, 2006 Vol. 1, pp. 434-436
Ong, W.L.; Kee, J.S.; Ajay, A.; Ranganathan, N.; Tang, K.C.; Yobas, Levent
Conference paper

High-Performance Droplet Generation Via Integrated 3-D Circular Constrictions

Proceedings of μTAS 2006, 10th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Tokyo Japan, November 5-9 2006, Vol. 1 p. 56-58
Ong, W.L.; Martens, S.; Ranganathan, N.; Yobas, Levent
Conference paper

Integrated Polydimethylsiloxane Waveguide for Optical Detection

Proceedings of μTAS 2006, 10th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Tokyo Japan, November 5-9 2006, Vol. 1, p. 732-734
Kee, J.S.; Poenar, D.P.; Yobas, Levent
Conference paper

Micro-Extraction of Viral Ribonucleic Acid (RNA)

Proceedings of μTAS 2006, 10th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Tokyo Japan, November 5-9 2006, Vol. 1 p. 317-319
Yobas, Levent; Ji, H.M.; Chen, Y.; Liw, S.; Hui, W.C.; Rafeah, S.; Chong, S.C.; Xie, L.; Jing, L.J.; Wong, S.M.; Lim, T.M.; Heng, C.K.
Conference paper

Microfluidic sample preparation for nucleic acid analysis

Design, Automation, and Test in Europe, ICM, MESSE Munich Germany, March 6-10, 2006
Samper, V.; Hui, W.C.; Hongmiao, J.; Yobas, Levent; Yu, C.; Heng, C.K.; Lim, T.M.
Conference paper

Micromixing Biologically Crowded Agents By Folding Plugs Through Pillars

Proceedings of μTAS 2006, 10th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Tokyo Japan, November 5-9 2006, Vol. 1, p. 600-603
Tang, K.C.; Wibowo, R.M.; Yobas, Levent
Conference paper

Nucleic acid extraction, amplification, and detection on Si-based microfluidic platforms

IEEE Custom Integrated Circuits Conferencet, San Jose California USA, 2006, p. 465-472 (Invited Talk)
Yobas, Levent; Ji, H.; Hui, W.; Chen, Y.; Lim, TM; Heng, CK; Kwong,D-L
Conference paper

Particle flow characterization for a microfluidic device for cell-based assay

Electronics Packaging Technology Conference EPTC '06, December 8 2006, p. 454 – 461
Teo, C.Y.; Ong, W.L.; Zhang, H.Y.; Yobas, Levent
Conference paper

Self-sealing fluidic interconnects for high-density cellbased assays

APCOT, Singapore, 2006
Ong, W.; Tang, K.C.; Ranganathan, N.; Yobas, Levent
Conference paper

Silicon-Based Microfilters for Whole Blood Cell Separation

Proceedings of μTAS 2006, 10th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Tokyo Japan, November 5-9, 2006, Vol. 1 p. 323-325
Ji, H.M.; Samper, V.; Yobas, Levent; Chen, Y.; Heng, C.K.; Lim, T.M.
Conference paper

2005 5

Precise Profile Control of 3-D Lateral Junction Traps by 2-D Mask Layout and Isotropic Etching

J of Micromechanics and Microengineering, v. 15, 2005, p. 386-393
Yobas, Levent; Sharma, R.K.; Nagarajan, R.; Samper, V.; Naidu, P. d/o S.R.
Article

Disposable Polydimethylsiloxane Package for Bio-Microfluidic System

55th Electronic Components and Technology Conference (ECTC), Lake Buena Vista FL USA, May 31 – June 5 2005, p. 617-621
Choong, S.C.; Xie, L.; Yobas, Levent; Ji, H.M.; Li, J.; Chen, Y.; Damaruganath, P.; Hui, W.C.; Iyer, M. K,
Conference paper

Microfluidic Chip for Viral RNA Extraction & Detection

IEEE Sensors 2005, The 4th IEEE Conference on Sensors, Irvine CA USA, October 31- Nov 3 2005, Vols. 1 & 2, p. 49-52
Yobas, Levent; Heng, C.K.; Hui, W.C.; Ji, H.M.; Chen, Y.; Lye, H.J.; Bte, S.R.; Liw, S.; Li, J.; Choong, C.S.; Xie, L.; Lim, T.M.
Conference paper

Microfluidic System for Extracting Nucleic Acids – From DNA to RNA

ICMAT 2005, 3rd International Conference on Materials for Advanced Technologies, Singapore, July 3-8 2005
Hui, W.C.; Yobas, Levent; Samper, V.; Heng, C.K.; Liw, S.; Ji, H.M.; Chen, Y.; Lin, C.; Li, J.; Lim, T.M.
Conference paper

Selfforming Lateral Apertures in Silicon Microchannels for Patch Clamping

Proceedings of μTAS 2005, 9th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Boston MA USA, October 9-13 2005, Vol. 2 p. 933-935
Yobas, Levent; Zhao, L.; Zhu, J.; Kumar, R.S.; Nagarajan, R.; Liw, S.S.; Hui, W.C.; Lim, T.M.; Sheu, F.S.
Conference paper

2004 3

A Flow-Through Shear-Type Microfilter Chip For Separating Plasma and Virus Particles from Whole Blood

Proceedings of μTAS 2004, 8th International Conference on Miniaturized Systems in Chemistry and Life Sciences, Malmo Sweden, September 26-30 2004, Vol. 2 p. 7-9
Yobas, Levent; Gui,E-L; Ji, H.; Li, J.; Chen, Y.; Hui,W-C; Rafe, S.; Swarup, S.; Wong,S-M; Lim,T-M; Heng,C-K
Conference paper

Fabricating Submicron Microfluidic Filter without Submicron Etching

International Conference on Electrical Engineering (APCOT), July 4-82004, Vol. 3-1 p. 409-412
Li, J.; Chen, Y.; Yobas, Levent; Ji, H.M.; Hui, W.C.
Conference paper

From R&D to Industrial Applications: The MEMS R&D Activities in Singapore

10th Micromachine Summit, Grenoble France, May 3-5 2004
Wang, Z.; Yobas, Levent
Conference paper

2003 1

A novel integrable microvalve for refreshable Braille display system

Journal of Microelectromechanical Systems, v. 12, June 2003, p. 252-263
Yobas, Levent; Durand, D.M.; Skebe, Gerard G.; Lisy, F.J.; Huff, M.A.
Article

2001 1

A novel bulk-micromachined electrostatic microvalve with a curved-compliant structure applicable for a pneumatic tactile display

Microelectromechanical Systems, v. 10, June 2001, p. 187-196
Yobas, Levent; Huff, M.A.; Lisy, F.J.; Durand, D.M.
Article

1999 2

A Pneumatically Actuated Tactile Display Unit Utilizing MEMS Microvalves

Annals of Biomedical Engineering, Vol. 26, Supplement 1, RE. 13, S-131, Biomedical Engineering Society 1998 Annual Fall Meeting, October 10-13, 1998
Yobas, Levent; Lisy, F.J.; Schmidt, R.N.; Huff, M.A.
Conference paper

Electrostatically Actuated MEMS Microvalve Suitable for Pneumatically Actuated Refreshable Braille-Display-System

ASME Summer Bioengineering Conference, June 16-20 1999
Yobas, Levent; Carver, B.R.; Lisy, F.J.; Huff, M.A.
Conference paper

CPEG4911	Computer Engineering Final Year Project in ELEC
ELEC2100	Signals and Systems
ELEC4900	Final Year Design Project
ELEC4910	Co-op Program

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