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B. G. Abdallah, S. Roy-Chowdhury, R. Fromme, P. Fromme, A. Ros, Protein Crystallization in an Actuated Microfluidic Nanowell Device, Crystal Growth & Design (2016) 16, 2074-2082

M. Yang, R. Nelson, A. Ros, Towards Analysis of Proteins in Single Cells: A Quantitative Approach employing iTRAQ labels with MALDI Mass Spectrometry Realized with a Microfluidic Platform, Analytical Chemistry in press

J. Luo, K. Muratore, E. Arriaga, A. Ros, Deterministic Absolute Negative Mobility for Micro- and Sub-micrometer Particles Induced in a Microfluidic Device, Analytical Chemistry in press


A. Echelmeier, G. Nelson, B. G. Abdallah, D. James, S. Roy-Chowdhury, A. Tolstikova, V. Mariani, R. A. Kirian, D. Oberthüer, K. Dörner, P. Fromme, H. N. Chapman, U. Weierstall, J. C. H. Spence, A. Ros, Biphasic Droplet-Based Sample Delivery of Protein Crystals for Serial Femtosecond Crystallography with an X-Ray Free Electron Laser, 19th µTAS Proceedings (2015) 1374-1376

L. Gan, Fernanda Camacho-Alanis, A. Ros, Polarizability of six-helix bundle and triangle DNA origami and their escape characteristics from a dielectrophoretic trap, Analytical Chemistry (2015) 87, 12059-12064 DOI:10.1021/acs.analchem.5b02524

B. G. Abdallah, N. A. Zatsepin,  S. Roy-Chowdhury, J. Coe, C. E. Conrad, K. Doerner, R. G. Sierra, H. Paige Stevenson, F. Camacho Alanis, T. D. Grant, G. Nelson, D. R. James, G. Calero, J. C. H. Spence, U. Weierstall, P. Fromme A. Ros, Microfluidic sorting of protein nanocrystals by size for XFEL diffraction, Structural Dynamics (2015) 2, 041719 DOI: 10.1063/1.4928688

B. G. Abdallah, J. Coe, S. Roy-Chadhury, P. Fromme, A. Ros, Protein Nanocrystal Sorting Optimized with Numerical Simulation, Analytical Chemistry (2015) 87, 4159- 4167 DOI:10.1021/acs.analchem.5b00589

A. Nakano, F. Camacho-Alanis, A. Ros, Insulator-Based Dielectrophoretisis with Proteins in Nanostructured Devices, Analyst (2015) 140, 860–868 DOI: 10.1039/C4AN01503G

F. Camacho-Alanis, A. Ros, Protein Dielectrophoresis and the Link to Dielectric Properties, Bioanalysis(2015) 7, 353–371 DOI: 10.4155/BIO.14.306


A. Nakano, F. Camacho-Alanis, A. Ros, Insulator-Based Dielectrophoretic Behavior of β-Galactosidase under DC and Low Frequency AC Conditions, 18th µTAS Proceedings (2014) 2468-2470

B. G. Abdallah, M. Sawtelle, A. Ros, High Throughput Nanoparticle Sorting for Serial Femtosecond Crystallography, 18th µTAS Proceedings (2014) 1305-1307

A. Nakano, J. Luo, A. Ros, Temporal and Spatial Temperature Measurement in Insulator-based Dielectrophoretic Devices, Analytical Chemistry (2014) 86, 6516−6524 DOI:10.1021/ac501083h

J. Luo, B. G. Abdallah, G. G. Wolken, E. A. Arriaga, A. Ros, Insulator-based dielectrophoresis of mitochondria, Biomicrofluidics (2014) 8, 021801 DOI: 10.1063/1.486685

S. Bhattacharya, T.-C. Chao, N. Ariyasinghe, Y. Ruiz, D. Lake, R. Ros, A. Ros, Selective trapping of single mammalian breast cancer cells by insulator-based dielectrophoresis, Analytical and Bioanalytical Chemistry (2014) 406:1855–1865 DOI:10.1007/s00216-013-7598-2

W. Christenson, I. Yermolenko, B. Plochberger, F. Camacho-Alanis, A. Ros, T.P. Ugarova, R. Ros, Combined single cell AFM manipulation and TIRFM for probing the molecular stability of multilayer fibrinogen matrices Ultramicroscopy (2014) 136, 211-215 DOI: 10.1016/j.ultramic.2013.10.009

C. Kupitz et al., Serial time-resolved crystallography of photosystem II using a femtosecond X-ray laserNature (2014) 513, 261-265 DOI:10.1038/nature13453


B. G. Abdallah, C. Kupitz, P. Fromme, A. Ros, Crystallization of the Large Membrane Protein Complex Photosystem I in a Microfluidic Channel ACS Nano (2013) 7, 9129-9137 DOI: 10.1021/nn402515q

B.G. Abdallah, T.-C. Chao, C. Kupitz, P. Fromme, A. Ros, Dielectrophoretic Sorting of Membrane Protein Nanocrystals ACS Nano (2013) 7, 10534–10543, DOI: 10.1021/nn403760q

L. Gan, T.-C. Chao, F. Camacho-Alanis, A. Ros, Six Helix Bundle and Triangle DNA Origami Insulator- Based Dielectrophoresis Analytical Chemistry (2013) 85, 11427-11434, DOI: 10.1021/ac402493u

J.-U. Kreft, C. M. Plugge, V. Grimm, C. Prats, J. H. J. Leveau, T. Banitz, S. Baines, J. Clark, A. Ros, I. Klapper, C. J. Topping, A. J. Field, A. Schuler, E. Litchman, F. L. Hellweger, Mighty small: Observing and Modeling Individual Microbes Becomes Big Science, PNAS (2013) 110, 18027–18028 DOI: 10.1073/pnas.1317472110

M. Yang, T.-C. Chao, R. Nelson, A. Ros, Protein identification and quantification for single cell analysis by coupling a microfluidic platform with MALDI-TOF, 17th µTAS Proceedings(2013) 1039-1041

A. Nakano, A. Ros, Protein Dielectrophoresis: Advances, Challenges and Applications, Electrophoresis (2013) 34, 1085–1096 DOI: 10.1002/elps.201200482

R. Martinez-Duarte, F. Camacho-Alanis, P. Renaud, A. Ros, Dielectrophoresis of DNA using 3D Carbon Electrodes, Electrophoresis (2013) 34, 1113-1122 DOI: 10.1002/elps.201200447

B. Abdallah, A. Ros, Surface coatings for microfluidic-based medical devices, Microfluidic devices for biomedical applications, XiuJun Li & Yu Zhou (Editors), Woodhead Publishing (2013) ISBN-13: 978 0 85709 697 5


R. B. Doak, D. P. De Ponte, G. Nelson, F. Camacho-Alanis, A. Ros, J .C. H. Spence, U. Weierstall, Microscopic Linear Liquid Streams in Vacuum: Injection of Solvated Biological Samples into X-Ray Free Electron Lasers,Rarefied Gas Dynamics Symposium, AIP Conf. Proc. 1501 (2012) 1314-1323

A. Nakano, F. Camacho-Alanis, T.-C. Chao, A. Ros,Tuning Streaming Dielectrophoresis of Proteins, Biomicrofluidics (2012) 6, 034108

B. Abdallah, T. C. Chao, P. Fromme, A. Ros, Size Based Nanoparticle Separation Using Dielectrophoretic Focusing for Femtosecond Nanocrystallography of Membrane Proteins, 16th µTAS Proceedings (2012) 458-460

M. Yang, T.-C. Chao R. Nelson, A. Ros, Direct Detection of Peptides and Proteins on a Microfluidic Platform with MALDI Mass Spectrometry, Analytical and Bioanalytical Chemistry (2012) 404, 1681–1689

F. Camacho-Alanis, L. Gan, A. Ros, Transitioning Streaming to Trapping in DC Insulator-based Dielectrophoresis for Biomolecules , Sensors and Actuators B (2012) 173, 668-675

T.-C. Chao, S. Bhattacharya, A. Ros, Microfluidic Gel Electrophoresis in the Undergraduate Laboratory Applied to Food Analysis, Journal of Chemical Education (2012) 89, 125–129


A. Nakano, F. Camacho-Alanis, T.-C. Chao, A. Ros, Immunoglobulin G and Bovine Serum Albumin Streaming Dielectrophoresis in a Microfluidic Device, Electrophoresis (2011) 32, 2314-2322

M. Viefhues, S. Manchanda, T.-C. Chao, D. Anselmetti, J. Regtmeier, A. Ros,Physisorbed Surface Coatings for Poly(dimethylsiloxane) and Quartz Microfluidic Devices, Analytical and Bioanalytical Chemistry (2011) 401, 2113-2122

A. Nakano, F. Camacho-Alanis, T. C. Chao, A. Ros, Systematic Investigation of Insulator-Based Protein Dielectrophoresis under DC Condition, 15th µTAS Proceedings (2011) 644-646

A. Gencoglu, F. Camacho-Alanis, V. T. Nguyen, A. Nakano, A. Ros, A. Minerick, Quantification of pH Gradients and Implications in Insulator-Based Dielectrophoresis of Biomolecules, Electrophoresis (2011) 32, 2436–2447

S. Bhattacharya, T.-C. Chao, A. Ros, Insulator-Based Dielectrophoretic Single Particle and Single Cancer Cell Trapping, Electrophoresis (2011) 32, 2550-2558


J. Regtmeier, L. Bugonovic, R. Eichhorn, A. Ros, D. Anselmetti, Dielectrophoretic Trapping and Polarizability of DNA: The Role of Spatial Conformation, Analytical Chemistry (2010) 82, 7141-7149

A. Ros, Microchip Methods in Diagnostics by Ursula Bilitewski, Analytical and Bioanalytical Chemistry, (2010) 397, 899 (Book Review)


D. Greif, A. Ros, Protein Analysis of Single Cells in Microfluidic Format, in Single Cell Analysis, Dario Anselmetti (Editor), Wiley VCH (2009) pp.91-107 ISBN: 978-3-527-31864-3


T.-C. Chao and A. Ros, Microfluidic Single Cell Analysis of Intracellular Compounds, J. Royal Society Interface (2008), 5, S139-S150

D. Greif, L. Galla, A. Ros, D. Anselmetti, Single cell analysis in full body quartz glass chips with native UV laser-induced fluorescence detection, Journal of Chromatography A (2008) 1206, 83-88

A. Ros, Microfluidic Technologies for Miniaturized Analysis Systems by Steffen Hardt and Friedhelm Schoenfeld Analytical and Bioanalytical Chemistry, (2008) 392, 777-778 (Book Review)

J. Regtmeier, R. Eichhorn, P. Reimann, A. Ros and D. Anselmetti, DNA Diffusion Control, µTAS Proceedings (2008) 2, 1480-1482

A. Ros, Microfluidics in cell analysis, Special Issue in Analytical and Bioanalytical Chemistry, (2008) 390, 799-800 (Editorial)


J. Regtmeier, R. Eichhorn, S. Grauwin, D. Anselmetti, P. Reimann, A. Ros, Acceleration of Absolute Negative Mobility, Journal of Separation Science (2007) 30, 1461-1467

J. Regtmeier, T. T. Duong, R. Eichhorn, D. Anselmetti, A. Ros, Dielectrophoretic manipulation of DNA: Separation and polarizability, Analytical Chemistry (2007) 79, 3925-3932

J. Regtmeier, H. Höfemann, R. Eichhorn, D. Anselmetti, A. Ros, Separation and Polarizability of DNA by Dielectrophoresis, µTAS Proceedings (2007), 242-246

D. Greif, D. Anselmetti, A. Ros, Single Cell Analysis by Native UV Laser Induced Fluorescence Detection in a PDMS Microfluidic Chip, µTAS Proceedings (2007), 176-178

J. Regtmeier, R. Eichhorn, T. Duong, P. Reimann, D. Anselmetti, A. Ros, Pulsed-field Separation of Particles in a Microfluidic Device, European Physical Journal E (2007) 22, 335-340

J. Regtmeier, R. Eichhorn, T. Duong, P. Reimann, D. Anselmetti, A. Ros, Paradoxical Brownian Motion in a Microfluidic Device: Absolute Negative Mobility, European Physical Journal Special Topics (2007) 143, 159–164

W. Hellmich, C. Pelargus, K. Leffhalm, A. Ros, D. Anselmetti, Single Cell Manipulation, Analytics and Label-free Protein Detection in Microfluidic Devices for Systems Biology in Microfluidic Applications in Biology: From Technologies to Systems Biology, N. Lion, J. S. Rossier, H. H. Girault (Editors), Wiley VCH (2007) ISBN 3-527-31761-9

J. Martini, W. Hellmich, D. Greif, A. Becker, Th. Merkle, R. Ros, A. Ros, K. Toensing, and D. Anselmetti, Systems Nanobiology: From Quantitative Single Molecule Biophysics to Microfluidic-Based Single Cell Analysis, in Subcellular Proteomics, Michel Faupel and Eric Bertrand (Editors), Springer, Heidelberg, (2007) ISBN: 978-1-4020-5942-1


W. Hellmich, D. Greif, C. Pelargus, D. Anselmetti, A. Ros, Improved native UV laser induced fluorescence detection for single cell analysis in poly(dimethylsiloxane) microfluidic devices, Journal of Chromatography A (2006) 1130, 195-200

A. Ros, W. Hellmich, J. Regtmeier, T. T. Duong D. Anselmetti, Bioanalysis in Structured Microfluidic Systems, Electrophoresis (2006) 27, 2651-2658

J. Regtmeier, T.T. Duong, A. Ros, D. Anselmetti, Fast Separation of λ- and T2-DNA with Electrodeless Dielectrophoresis, µTAS Proceedings (2006), 383-385

J. Regtmeier, R. Eichhorn, P. Reimann, A. Ros, D. Anselmetti, Acceleration of Absolute Negative Mobility for Particle Sorting in a Microfluidic Device, µTAS Proceedings (2006), 648-650


D. Anselmetti, N. Griemla, W. Hellmich, K. Leffhalm, A. Ros, R. Ros, and K. Tönsing, Single Cell Analytics for NanoBiology, Nanobiotechnology (2005) 1, 267-270

A. Ros, R. Eichhorn, J. Regtmeier, T. Duong, P. Reimann, D. Anselmetti, Paradoxical Brownian Motion: Absolute Negative Particle Mobility, Nature (2005) 436, 928

W. Hellmich, C. Pelargus, K. Leffhalm, A. Ros, D. Anselmetti, Single Cell Manipulation, Analytics and Label-free Protein Detection in Microfluidic Devices for Systems Biology, Electrophoresis (2005) 26, 3689-3696

W. Hellmich, K. Leffhalm, A. Sischka, T. Duong, N. Jensen, K. Niehaus, K. Tönsing, A. Ros, and D. Anselmetti, Towards Single Cell Fingerprinting in Microfluidic Device Format: Single Cell Manipulation, Protein Separation and Detection, µTAS Proceedings (2005) 1, 406-408

J. Regtmeier, T. Duong, R. Eichhorn, D. Anselmetti, P. Reimann, and A. Ros, Novel Migration Phenomena in Structured Microfluidic Devices, µTAS Proceedings (2005) 1, 340-342

W. Hellmich, J. Regtmeier, T. Duong, R. Ros, D. Anselmetti, A. Ros, Poly(oxyethylene) Based Surface Coatings for Poly(dimethylsiloxane) Microchannels, Langmuir (2005) 21, 7551-7557

M. Streek, F. Schmid, T. Duong, D. Anselmetti, A. Ros, Two-state migration of DNA in a structured microchannel, Phys. Rev. E (2005) 71, 011905


M. Streek, F. Schmid, T. Duong, A. Ros, Mechanisms of DNA separation in entropic trap arrays: A Brownian dynamics simulation, J. Biotechnology (2004) 112, 79-89

A. Ros, W. Hellmich, T. Duong, D. Anselmetti, Towards Single Molecule Analysis in PDMS microdevices: From the Detection of Ultra Low Dye Concentrations to Single DNA Molecule Studies, J. Biotechnology (2004) 112, 65-72


R. Eckel, R. Ros, A. Ros, S.-D. Wilking, N. Sewald, D. Anselmetti, Identification of Binding Mechanisms in Single Molecule - DNA Complexes, Biophysical Journal (2003) 85, 1968-1973

T. Duong, M. Streek, R. Ros, F. Schmid, A. Ros, D. Anselmetti, Gel-free Electrophoresis of λ- and T2-DNA in Structured Microfluidic Devices, Proceedings of µTAS (2003) 1, 749-752

T. Duong, G. Kim, R. Ros, M. Streek, F. Schmid, J. Brugger, D. Anselmetti, A. Ros, Size Dependent Free Solution DNA Electrophoresis in Structured Microfluidic Systems, Microelectronic Engineering (2003) 67-68C, 905-912

A. Ros, M. Faupel, H. Mees, J. van Ostrum, R. Ferrigno, F. Reymond, P. Michel, J. S. Rossier, H. H. Girault, Protein Purification by Off-Gel Electrophoresis, Proteomics (2002) 2, 151-156

R. Ros, A. Ros, K. Tönsing, D. Anselmetti, Biomoleküle im Visier, Forschung an der Universität Bielefeld (2002) 24, 3-7

Before 2001

A. Schwarz, O. Bagel, H. H. Girault, A Sensitive Electrochemical Protein Quantification Method, Electroanalysis (2000) 12, 811-815

J. S. Rossier, A. Schwarz, F. Bianchi, F. Reymond, R. Ferrigno, H. H. Girault, Polymer Micro-Structures: Prototyping, Low-Cost Mass Production and Analytical Applications, Proceedings of µTAS (2000), 159-162

J. S. Rossier, P. Bercier, A. Schwarz, S. Loridant, H. H. Girault, Topography, Crystallinity and Wettability of Photoablated PET Surfaces, Langmuir (1999) 15, 5173-5178

J. S. Rossier, A. Schwarz, F. Reymond, R. Ferrigno, F. Bianchi, H.H Girault, Microchannel Networks for Electrophoretic Separations, Electrophoresis (1999) 20, 727-731

A. Schwarz, J. S. Rossier, F. Bianchi, F. Reymond, R. Ferrigno, H. H. Girault, Micro-TAS on Polymer Substrates Micromachined by Laser Photoablation, Proceedings of µTAS (1998), 241-244

A. Schwarz, J. S. Rossier, E. Roulet, N. Mermod, M. A. Roberts, H. H. Girault, Micropatterning of Biomolecules on Polymer Substrates, Langmuir (1998) 14, 5526-5531


A. Ros, J. Rossier, M. D. Faupel, H. H. Girault, New Electrophoresis Method and Apparatus Thereof, UK patent no. 0010957.9 (2000), also WO0186279, US2003104449, EP1281073, EP1281073, DE60112276T

Ros Lab - Department of Chemistry & Biochemistry - Arizona State University - Tempe, Arizona 85287-1604