Selected journal articles, conference papers, books, and theses from the Pennathur Lab. For a complete, up-to-date list, see Google Scholar.
Journal Articles (2017–present)
2026
MacKenzie, S., Eden, A., Curtis, P., & Pennathur, S. (2026). Programmable multistable MEMS electrostatic zipping actuators. Smart Materials and Structures, 35(5), 055035. doi:10.1088/1361-665X/ae65ec
2025
Chou, K.-H., Eden, A., Huber, D. E., Pennathur, S., & Fygenson, D. K. (2025). Electrokinetic nanofluidic sensing of DNA nanostar condensate. Biosensors and Bioelectronics, 287, 117600. doi:10.1016/j.bios.2025.117600
MacKenzie, S., Eden, A., Huber, D. E., & Pennathur, S. (2025). Individualized defocusing particle tracking for dynamic surface profilometry. Measurement Science and Technology, 36(5), 056005. doi:10.1088/1361-6501/adcceb
2024
Eden, A., & Pennathur, S. (2024). Coupling charge-regulated interfacial chemistry to electrokinetic ion transport in bipolar SiO2–Al2O3 nanofluidic diodes. Advanced Materials Interfaces, 11(35). doi:10.1002/admi.202400495
Wang, B., Eden, A., Chen, Y.-M., Kim, H., Queenan, B. N., Bazan, G. C., & Pennathur, S. (2024). Auto recalibration based on dual-mode sensing for robust optical continuous glucose monitoring. Sensors and Actuators B: Chemical, 418, 136277. doi:10.1016/j.snb.2024.136277
Abrams, A. S., Eden, A., Coy, B. C., Huber, D. E., & Pennathur, S. (2024). Electrokinetic transport of CTAB induces multiphasic behavior during capillary adsorption and desorption. Electrophoresis, 45(15–16), 1307. doi:10.1002/elps.202300214
2023
Zhou, L., Eden, A., Chou, K.-H., Huber, D. E., & Pennathur, S. (2023). Nanofluidic diodes based on asymmetric bio-inspired surface coatings in straight glass nanochannels. Faraday Discussions, 246, 356. doi:10.1039/D3FD00074E
2022
Zhou, L., Huber, D. E., Van Antwerp, B., & Pennathur, S. (2022). Electrooxidation of phenol on polyelectrolyte modified carbon electrodes for use in insulin pump infusion sets. Journal of Diabetes Science and Technology, 18(3), 625. doi:10.1177/19322968221123083
Flores-Galicia, F., Eden, A., Pallandre, A., Pennathur, S., & Haghiri-Gosnet, A.-M. (2022). Predicting ion concentration polarization and analyte stacking/focusing at nanofluidic interfaces. Electrophoresis, 43(5–6), 741. doi:10.1002/elps.202100297
2021
Abrams, A. S., Eden, A., Zhou, L., Wang, B., Huber, D. E., & Pennathur, S. (2021). Real-time zeta potential analysis of microchannel surfaces during aminosilane deposition and exposure using current monitoring. Analytical Chemistry, 93(49), 16512. doi:10.1021/acs.analchem.1c03628
2020
Kim, H., Cohen, D., Wang, B., Queenan, B. N., Bazan, G. C., & Pennathur, S. (2020). Integration of buried dual-junction photodetection with ratiometric FRET-based biosensing: Results and design considerations. Sensors and Actuators A: Physical, 315, 112364. doi:10.1016/j.sna.2020.112364
Eden, A., Scida, K., Arroyo-Currás, N., Eijkel, J. C. T., Meinhart, C. D., & Pennathur, S. (2020). Discharging behavior of confined bipolar electrodes: Coupled electrokinetic and electrochemical dynamics. Electrochimica Acta, 330, 135275. doi:10.1016/j.electacta.2019.135275
2019
Wang, B., Chou, K.-H., Queenan, B. N., Pennathur, S., & Bazan, G. C. (2019). Molecular design of a new diboronic acid for the electrohydrodynamic monitoring of glucose. Angewandte Chemie International Edition, 58(31), 10612. doi:10.1002/anie.201904595
Garcia, M., & Pennathur, S. (2019). A model for inertial particles in curvilinear flows. Microfluidics and Nanofluidics, 23(5). doi:10.1007/s10404-019-2234-x
Scida, K., Eden, A., Arroyo-Currás, N., MacKenzie, S., Satik, Y., Meinhart, C. D., Eijkel, J. C. T., & Pennathur, S. (2019). Fluorescence-based observation of transient electrochemical and electrokinetic effects at nanoconfined bipolar electrodes. ACS Applied Materials & Interfaces, 11(14), 13777. doi:10.1021/acsami.9b01339
Eden, A., Scida, K., Arroyo-Currás, N., Eijkel, J. C. T., Meinhart, C. D., & Pennathur, S. (2019). Modeling Faradaic reactions and electrokinetic phenomena at a nanochannel-confined bipolar electrode. The Journal of Physical Chemistry C, 123(9), 5353. doi:10.1021/acs.jpcc.8b10473
Downs, A. M., McCallum, C., & Pennathur, S. (2019). Confinement effects on DNA hybridization in electrokinetic micro- and nanofluidic systems. Electrophoresis, 40(5), 792. doi:10.1002/elps.201800356
Garcia, M., Ganapathysubramanian, B., & Pennathur, S. (2019). A linearised model for calculating inertial forces on a particle in the presence of a permeate flow. Journal of Fluid Mechanics, 861, 253. doi:10.1017/jfm.2018.843
2018
Conner, C. R., de Visser, T., Loessberg, J., Sherman, S. M., Smith, A. M., Ma, S., Napoli, M. T., Pennathur, S., & Weld, D. (2018). Energy harvesting with a liquid-metal microfluidic influence machine. Physical Review Applied, 9(4), 044008. doi:10.1103/PhysRevApplied.9.044008
Kim, H., Theogarajan, L. S., & Pennathur, S. (2018). A repeatable and scalable fabrication method for sharp, hollow silicon microneedles. Journal of Micromechanics and Microengineering, 28(3), 035007. doi:10.1088/1361-6439/aaa6a8
Chou, K.-H., McCallum, C., Gillespie, D., & Pennathur, S. (2018). An experimental approach to systematically probe charge inversion in nanofluidic channels. Nano Letters, 18(2), 1191. doi:10.1021/acs.nanolett.7b04736
Del Bonis-O'Donnell, J. T., Thakrar, A. U., Hirschberg, J. W., Vong, D., Queenan, B. N., Fygenson, D. K., & Pennathur, S. (2018). DNA-stabilized silver nanoclusters as specific, ratiometric fluorescent dopamine sensors. ACS Chemical Neuroscience, 9(4), 849. doi:10.1021/acschemneuro.7b00444
2017
Eden, A., McCallum, C., Storey, B. D., Pennathur, S., & Meinhart, C. D. (2017). Analyte preconcentration in nanofluidic channels with nonuniform zeta potential. Physical Review Fluids, 2(12), 124203. doi:10.1103/PhysRevFluids.2.124203
McCallum, C., Pennathur, S., & Gillespie, D. (2017). Two-dimensional electric double layer structure with heterogeneous surface charge. Langmuir, 33(23), 5642. doi:10.1021/acs.langmuir.7b00731
Boden, S., Karam, P. R., Schmidt, A., & Pennathur, S. (2017). A process to fabricate fused silica nanofluidic devices with embedded electrodes using an optimized room temperature bonding technique. Applied Physics Letters, 110(18). doi:10.1063/1.4982968
Garcia, M., & Pennathur, S. (2017). Inertial particle dynamics in the presence of a secondary flow. Physical Review Fluids, 2(4), 042201. doi:10.1103/PhysRevFluids.2.042201
Karam, P. R., Dukhin, A. S., & Pennathur, S. (2017). Optimal MEMS device for mobility and zeta potential measurements using DC electrophoresis. Electrophoresis, 38(9–10), 1245. doi:10.1002/elps.201700029
McIntosh, C., Scida, K., & Pennathur, S. (2017). Microfluidic detection with acoustic spectroscopy (MIDAS) for analysis of insulin formulation stability. Analytical Methods, 9(43), 6124. doi:10.1039/C7AY01846K
Conference Papers and Abstracts (2017–present)
Maillard, D., MacKenzie, S., Eden, A., & Pennathur, S. (2024). Innovative MEMS electrostatic zipper pump to improve drug delivery accuracy. IEEE BioSensors and Nano Medicine (BNM) 2024. doi:10.1109/BNM62684.2024.11643673
Aarts, M., et al. (incl. Pennathur, S.) (2023). Iontronic microscopy: general discussion. Faraday Discussions, 246, 466. doi:10.1039/D3FD90033A
Pennathur, S., Zhou, L., Lorestani, F., Eden, A., & Huber, D. (2021). Increasing the longevity of an insulin pump by removal of phenolic excipients within the cannula through electrooxidation (705-P). Diabetes, 70 (Suppl. 1). doi:10.2337/db21-705-P
Pennathur, S., Kim, H., Wang, B., Queenan, B. N., & Huber, D. E. (2020). Putting the pieces together: Building a nonenzymatic wearable glucose sensor using silicon microneedle arrays (896-P). Diabetes, 69 (Suppl. 1). doi:10.2337/db20-896-P
Kim, H., Wang, B., Cohen, D., Queenan, B. N., & Pennathur, S. (2019). Enhanced ratiometric detection using a buried dual junction diode for wearable optofluidic biosensing application. IEEE Transducers 2019, 2274. doi:10.1109/TRANSDUCERS.2019.8808592
Hui, E. E., Di Carlo, D., & Pennathur, S. (2019). Guest editorial: Special section on IEEE EMBS Conference on Micro and Nanotechnology in Medicine. IEEE Transactions on NanoBioscience, 18(2), 214. doi:10.1109/TNB.2019.2905732
Wang, B., Pennathur, S., & Chou, K.-H. (2019). Continuous, quantitative, selective, nonenzymatic glucose monitoring using conductimetric analysis (934-P). Diabetes, 68 (Suppl. 1). doi:10.2337/db19-934-P
Pennathur, S. (2019). Toward a novel tiny continuous glucose monitor (CGM): Step 3, building an enhanced ratiometric detector using a buried dual junction diode (940-P). Diabetes, 68 (Suppl. 1). doi:10.2337/db19-940-P
Wang, B., Bazan, G. C., Pennathur, S., Queenan, B. N., & Scida, K. (2018). A novel, nonenzymatic strategy for stable, optical glucose detection in small volumes of fluid (945-P). Diabetes, 67 (Suppl. 1). doi:10.2337/db18-945-P
Journal Articles (2005–2016)
de Rutte, J. M., Janssen, K. G. H., Tas, N. R., Eijkel, J. C. T., & Pennathur, S. (2016). Numerical investigation of micro- and nanochannel deformation due to discontinuous electroosmotic flow. Microfluidics and Nanofluidics, 20(11), 150. Paper
McIntosh, C., Sherman, S., Napoli, M. T., Turner, K., Bamieh, B., & Pennathur, S. (2016). Olive oil density characterization through microfluidic detection using acoustic signatures (MIDAS). Anal. Methods, 0, 1–5. Paper
Del Bonis-O'Donnell, J. T., Vong, D., Pennathur, S., & Fygenson, D. K. (2016). A universal design for a DNA probe providing ratiometric fluorescence detection by generation of silver nanoclusters. Nanoscale. Paper
Loessberg-Zahl, J., Janssen, K. G., McCallum, C., Gillespie, D., & Pennathur, S. (2016). (Almost) Stationary Isotachophoretic Concentration Boundary in a Nanofluidic Channel Using Charge Inversion. Analytical chemistry. Paper
Williams, S., Venkateswaran, N., O’Donnell, T. D. B., Crisalli, P., & Helmy, S. (2016). Assessing Stability, Durability, and Protein Adsorption Behavior of Hydrophilic Silane Coatings in Glass Microchannels. J Anal Bioanal Tech, 7(318), 2. Paper
Rajan, N. K., Rajauria, S., Ray, T., Pennathur, S., & Cleland, A. N. (2016). A simple microfluidic aggregation analyzer for the specific, sensitive and multiplexed quantification of proteins in a serum environment. Biosensors and Bioelectronics, 77, 1062-1069. Paper
McCallum, C., & Pennathur, S. (2016). Accounting for electric double layer and pressure gradient-induced dispersion effects in microfluidic current monitoring. Microfluidics and Nanofluidics, 20(1), 1-9. Paper
Liu, Y. W., Pennathur, S., & Meinhart, C. D. (2016). Electrophoretic mobility of spherical particles in bounded domain. Journal of colloid and interface science, 461, 32-38. Paper
Del Bonis-O'Donnell, J. T., Pennathur, S., & Fygenson, D. K. (2015). Changes in spectra and conformation of hairpin DNA-stabilized silver nanoclusters induced by stem sequence perturbations. Langmuir. Paper
Venkateswaran, N., Kogot, J. M., & Pennathur, S. (2015). Interplay between Peptide Length, Ionic Strength and pH in Electrophoretic Separations of Polyglutamate. J Anal Bioanal Tech S, 13, 2. Paper
Janssen, K. G., & Pennathur, S. (2015). Electrocavitation in nanofluidics: unique phenomenon and fundamental platform. Lab on a Chip, 15(20), 3980-3983. Paper
Ray, T. R., Lettiere, B., de Rutte, J., & Pennathur, S. (2015). Quantitative Characterization of the Colloidal Stability of Metallic Nanoparticles using UV-Vis Absorbance Spectroscopy. Langmuir. Paper
Wynne, T.M., McCallum, C., Del Bonis O’Donnell, J.T., Crisalli, P., and Pennathur, S., (2015) “Hybridization Thermodynamics of DNA Oligonucleotides during Microchip Capillary Electrophoresis” Analytical Chemistry 87.5 2811-2818. Paper
Del Bonis O-Donnell, J.T., Fygenson. D., and Penanthur, S., (2015) “Fluorescent silver nanocluster DNA probes for multiplexed detection using microfluidic capillary electrophoresis” The Analyst, DOI: 10.1039/C4AN1735H. Paper
Crisalli, P., McCallum C., and Pennathur. S. (2015) “Label Free detection of nucleic acids by modulating nanochannel surfaces” Chemical Communications, 51, 2335-2338. Paper
Liu, Y-W., Pennathur S., and Meinhart, C.D., (2014) “Electrophoretic mobility of a spherical nanoparticle in a nanochannel”, Physics of Fluids, 26, 112002. Paper
Russell, A., Wynne, T. M, O’Donnell, J.T.D., Napoli, M., and Pennathur, S. (2013) “Separation behavior of short single and double stranded DNA in 1 micron and 100nm glass channels”, Electrophoresis, 35, 2-3, 412-418. Paper
Gillespie, D., and Pennathur, S. (2013) “Separation of Ions in Nanofluidic Channels with Combined Pressure-Driven and Electro-osmotic Flow” Analytical Chemistry, 85, 2991-2998. Paper
Wynne, T.M., Dixon, A.H., and Pennathur, S., "Electrokinetic characterization of individual nanoparticles in nanofluidic channels," 2012, Microfluidics and Nanofluidics,12, 1-4, 411-421. Paper
F. Bonotto, A. Lenzi, F. Viola, M. Napoli, J. Frey, S. Pennathur, "Method to determine the effective zeta potential in a microchannels with an embedded electrode." 2011,Electrophoresis, 32, 22,3295-2204. Paper
Driehorst, T., O'Neill, P., Goodwin, P., and Pennathur S., Fygenson, D., "Distinct Conformations of DNA-Stabilized Fluorescent Silver Nanoclusters Revealed by Electrophoretic Mobility and Diffusivity Measurements", Langmuir, 2011 27 (14), 8923-8933. Paper
Jensen, K.L., Kristensen, J.T., Crumrine, A.M., Andersen, M.B., Bruus, H., and Pennathur, S., "Hydronium-dominated ion transport in carbon-dioxide-saturated electrolytes at low salt concentrations in nanochannels," 2011, Phys. Review E., 83, 056307. Paper
Andersen, M.B., Bruus, H., Bardhan, J., and Pennathur, S., "Dissolution in Fused Silica Nanochannels", 2011, Journal of Colloid and Interface Science, doi:10.1016/j.jcis.2011.04.011. Paper
"Efficiently accounting or ion correlations in electrokinteic nanofluidic devices using density functional theory" D. Gillespie, A. Khair, J. P. Bardhan, and S. Pennathur, 2011, Journal of Colloid and Interface Science, doi: 10.1016/j.jcis.2011.03.088. Paper
Andersen, M.B., Frey, J., Bruus, H., and Pennathur, S., "Wall deprotonation during capillary filling of silica nanochannels coated with hydrophilic 3-cyanoproplydimethlychlorosilane", 2011, Journal of Colloid and Interface Science, vol: 353, issue: 1, pages: 301-310. Paper
Sustarich, J., Storey, B, and Pennathur, S., "Field-Amplified Sample Focusing in Nanoscale Channels", 2010, Physics of Fluids, 22, 112003. Paper
Napoli, M.T., Atzberger, P., and Pennathur, S., "Experimental study of the separation behavior of nanoparticles in micro and nano-channels." Journal of Microfluidics and Nanofluidics, Volume 10, Issue 1 (2011), Page 69. Paper
Napoli, M.T., Pennathur, S., and Eijkel, J.C.T., "Nanofluidic technology for biomolecule applications: a critical review", Lab Chip, 2010, 10, 957-985. Paper
Huang, X.T., Gupta, C., and Pennathur, S., "A novel fabrication method for centimeter-long surface-micromachined nanochannels", J. Micromech. Microeng. 2010, 20, 125142. Paper
Huber, D., Markel, M., Pennathur, S., and Patel, K., "Oligonucleotide hybridization and free-solution electrokinetic separation in a nanofluidic device", Lab Chip 2009, 9, Issue 20, p. 2933-2940. Paper
Horowitz, V., and Awschalom, D., and Pennathur, S., "Optofluidics: Field or Technique?", Lab Chip 2008, 8, Issue 11, p. 1856-1863. Paper
Boy, D., Gibou, F., and Pennathur, S., "Simulation Tools for Lab on a Chip Research: Advantages, Challenges, and Thoughts for the Future", Lab Chip 2008, 8, Issue 9, p.1424-1431. Paper
Shui, L., and Pennathur, S., "Multiphase flow in lab on chip devices: A real tool for the future?", Lab Chip 2008, 8, Issue 7, p.1010-1014. Paper
Pennathur, S. and Fygenson, D., "Improving Fluorescence Detection in Lab on Chip Devices", Lab Chip 2008, 8, Issue 5, p. 649-652. Paper
Pennathur, S. and Huber D., "Microfluidic Design Guidelines for Glass Micro- and nano-fluidic devices", Lab Chip online access, 2008. Paper
Pennathur, S., "Flow control in microfluidics: are the workhorse flows adequate?", Lab Chip, 2008, 8, Issue 3, p. 383-387. Paper
Rogers, B., Pennathur, S., and Adams, J.A., "Shedding Light on Nanophotonics", Small Times, January, 2008.
Pennathur, S., Meinhart, C., Soh, T., "How to Effectively Utilize the Powerful Tool of Microfluidics", Lab Chip, 2008, 8, Issue 1, p. 20-22. Paper
Pennathur, S, Eijkel, J.C.T. and van de Berg, A., "Energy Conversion in Microsystems: Is there a role for micro/nanofluidics?", Lab Chip, 2007, 7, p. 1234-1237. Paper
Pennathur, S., Baldessari, F , Kattah, M., Steinman, J., Utz, PJ, and Santiago, JG. "Free-Solution Oligonucleotide separation in Nanoscale Channels", Analytical Chemistry, 2007, 79, no. 21, p.8316-8322. Paper
Pennathur, S, and Santiago, JG. "Electrokinetic Transport in Nanochannels: 1. Theory", Analytical Chemistry, 2005, 77, no. 21, p.6772-6781. Paper
Pennathur, S, and Santiago, JG. "Electrokinetic Transport in Nanochannels: 2. Experiments", Analytical Chemistry, 2005, 77, no. 21, p.6782-6789. Paper
Conference Proceedings (2002–2016)
Refereed Conference Proceedings
J. De Rutte, K. G.H. Janssen, N. R. Tas, J.C.T. Eijkel, and S. Pennathur (2016), "Channel deformation in electrokinetic Micro/Nanofluidic Systems," Proceedings of the 20th International Conference on Miniaturized Chemical and Biochemical Analysis Systems (µTAS 2016), Dublin, Ireland, October 9-13th.
M. Garcia and S. Pennathur (2016), "In-Situ Particle Separation using Inertial Microfluidics combined with Tangential Flow Filtration," Proceedings of the 20th International Conference on Miniaturized Chemical and Biochemical Analysis Systems (µTAS 2016), Dublin, Ireland, October 9-13th.
C. McCallum, Y. Lin, J. de Rutte, I. Chen, and S. Pennathur (2016), "Confinement Effects on Non-Equilibrium DNA Hybridization in Micro and Nanofluidics channels," Proceedings of the 20th International Conference on Miniaturized Chemical and Biochemical Analysis Systems (µTAS 2016), Dublin, Ireland, October 9-13th.
S. Sherman, T. Simone, C. McIntosh, M. Napoli. B. Bamieh, K.L. Turner, and S. Pennathur (2016), "MIDAS: Microfluidics detection using Acoustic Spectroscopy," Proceedings of the 20th International Conference on Miniaturized Chemical and Biochemical Analysis Systems (µTAS 2016), Dublin, Ireland, October 9-13th.
K.G.H. Janssen, K.A. Tsia, S. Boden, K.W. Plaxco, and S. Pennathur (2016), "Nanofluidic Conductivity Sensing for Real-Time DNA Quantification," Proceedings of the 20th International Conference on Miniaturized Chemical and Biochemical Analysis Systems (µTAS 2016), Dublin, Ireland, October 9-13th.
A. Smith, S. Sherman, J. Loessberg-Zahl, M. Napoli. D. Weld, and S. Pennathur (2016), "LIMMPET: Liquid Metal Microfluidic Portable Energy Transducer," Proceedings of the 20th International Conference on Miniaturized Chemical and Biochemical Analysis Systems (µTAS 2016), Dublin, Ireland, October 9-13th.
Liu, Y.-W., Pennathur, S., and Meinhart, C.D. (2014) “Electrophoretic mobility of nanoparticles confined in nanochannels” AiCHE 2008 Annual Meeting, AES division, November 16th-21st, 2014 Atlanta, GA.
O-Donnell, J.T., Fygenson. D., and Penanthur, S., (2014) “Microfluidic based detection of HepA, HepB, and HepC Using Flourescent Silver Nanocluster Probes (AgNC-DNA)”, presented at the EMBS Micro and Nanotechnology in Medicine Conference, Ka'anapali, Hawaii, December 3-7th.
Crisalli, P., and Pennathur, S., (2013) “Low Temperature Fabrication and Surface Modification Methods for Fused Silica Micro- and Nanochannels” 2013 MRS Fall Meeting Proceedings, December 1st-5th, 2013, Boston, Massachusetts.
Wynne, T. M, and Pennathur, S. (2013) “Facile microfluidic based method to determine equilibrium constants (KD) of reacting biomolecules,” Proceedings, of the 17th International Conference on Miniaturized Chemical and BioChemical Analysis Systems (µTAS 2013), October 27nd-Nov 1stth, Friborg, Germany.
O’Donnell, J.T.D., Fygenson, D.K., and Pennathur, S. (2013) “Tuning the mobility of fluorescent, DNA-templated, silver nanoclusters for electrophoretic separations in microchannels,” Proceedings of the 17th International Conference on Miniaturized Chemical and BioChemical Analysis Systems (µTAS 2013), October 27nd-Nov 1stth, Friborg, Germany.
O’Donnell, J.T.D., Fygenson, D.K., and Pennathur, S. (2013) “DNA conformation dependence of silver-DNA nanocluster formation” Proceedings of the 16th annual European conference on Micro & Nanoscale Technologies for the Bioscience (Nanobiotech-montreux), November 17-19th, 2013.
Russell, A., O'Donnell, J.T.D., Napoli, M., Pennathur, S. (2012) "Nanofluidic-based devices for DNA separation and detection", to be presented at the EMBS Micro and Nanotechnology in Medicine Conference, Ka'anapali, Hawaii, December 3-7th.
Venkateswaran, N., Kogot, J.M., and Pennathur, S. (2012) "Analysis of Protective Anigen-Antibody kinetics and KLK7 degradation using a novel Nanofluidic-based platform", to be presented at the EMBS Micro and Nanotechnology in Medicine Conference, Ka'anapali, Hawaii, December 3-7th.
Venkateswaran, N., Kogot, J.M., and Pennathur, S. (2012) "Analysis of Protein Kinetics using a Novel Nanofluidic-based Platform", to be presented at NanoBioTech-montreux, November 12-14th.
Paden,B.E., Eovino, B., and Pennathur, S., (2012) "Transfer-function models for electroosmotic actuators," to be presented at ASME Dynamic Systems and Control Conference, Fort Lauderdale, Florida, October 17-19th.
Ray, T.R., and Pennathur, S. (2012) "A Microfluidic-based Separation Device for the Accurate Characterization of Metallic Nanoparticles." 27th International Symposium on MicroScale Bioseparations and Analyses, Geneva, Switzerland, February 13th-16th.
Pennathur, S. (2011) "Electrokinetic surface characterization in micro and nano-fluidic channels", presented at the 48th Annual Technical Conference of Society of Engineering Sciences, Northwestern University, Evanston, Illinois, October 12th-14th.
Pennathur, S. (2011) "Determining Zeta Potential Through the Solution Displacement Method, Presented at AiCHE 2011 Annual Meeting, October 16th-21st, Minneapolis, MN.
Gillespie, D., and Pennathur, S. (2011) "Efficiently Accounting for Ion Correlations in Electrokinetic Nanofluidic Devices Using Density Functional Theory." AiCHE 2011 Annual Meeting, October 16th-21st, Minneapolis, MN.
Guelat, B.T., Homsy, A., Pennathur, S., and Rooij, N.F. (2011) "Modeling and validation of acoustophoresis designs for efficicent separations of milk lipids." Proceedings of the Fifteenth International Conference on Miniaturized Chemical and BioChemical Analysis Systems (µTAS 2011), October 2nd-6th, Seattle, WA.
Wynne, T. M., Huang, X.T., and Pennathur, S. (2011) "A fabrication method of intergrating electrodes into nanofluidic channels." presented in Proceedings of Technologies for future micro and nano manufacturing (MFG2011), August 8-9th, Napa Valley, CA.
Bonotto, R., Lenzi, A., Viola, F., Napoli, M., Frey, J., and Pennathur, S., "Experimentally-validated theory for the effective zeta potential in microchannel with gate electrodes", in Proceedings of the Nanotech 2011 Conference and Expo (Nanotech 2011), June 13-16th, Boston, Ma., 2011.
Wynne, T., Huang, X.T., and Pennathur, S., "Novel Low Temperature Fabrication Method of Label-Free Electronic Sensing of Biomolecules in Nanofluidic Channels with Integrated Electrodes", in Proceedings of the Nanotech 2011 Conference and Expo (Nanotech 2011), June 13-16th, Boston, Ma., 2011.
Atzberger, P.J., Gibou, F., and Pennathur, S., "Capillary Electrophoresis in Nanofluidic Channels" in Proceedings of the Nanotech 2011 Conference and Expo (Nanotech 2011), June 13-16th, Boston, Ma., 2011.
Crumrine, A.M., Shah, D., Andersen, M.B., Bruus, H., and Pennathur, S., "Nanofluidic Carbon-Dioxide Sensor Using Hydronium-Dominated Ion Transport Theory", in Proceedings of the 24rd IEEE International Conference on Micro Electro Mechanical Systems (MEMS 2011), January, Cancun, Mexico, 2011.
Andersen, M.B., Frey, J., Bruus, H., and Pennathur, S., "Concentration Dependence of Stern Layer Capacitances and Surface Equilibrium Constants in Silica-Based Nanofluidic Channels", Proceedings of the Fourteenth International Conference on Miniaturized Systems on Miniaturized Chemical and BioChemical Analysis Systems (µTAS2010), Groningen, The Netherlands, October 3rd-7th, 2010.
Wynne, T. and Pennathur, S., "Three-Dimensional Time Resolved Measurements of Charged Quantum Dots in Nanoconfined Channels using Total Internal Reflection Fluorescence Microscopy (TIRFM)", Proceedings of the Fifteenth in the series of Hilton Head Workshops on science and technology of solid-state sensors, actuators, and microsystems (Hilton Head 2010), Hilton Head Island, SC, USA, June 6th-10th, 2010.
Andersen, M.B., Frey, J., Bruus, H., and Pennathur, S., "Investigation of the solid/liquid interface of coated silica nanochannels during capillary filling", Proceedings of the ninth annual ELKIN (International Electrokinetics) conference (ELKIN 2010), Turku, Finland, June 6th-10th, 2010.
Sustarich, J., Storey, B., and Pennathur, S., "Scalability of Field Amplified Sample Stacking (FASS) for Nanofluidic Separations", Proceedings of the Thirteenth International Conference on Miniaturized Systems on Miniaturized Chemical and BioChemical Analysis Systems (µTAS2009), Jeju, Korea, November 1st-5th, 2009.
Driehorst, T., O'Neill, P., Fygenson, D.K., and Pennathur, S., "Characterization of Ag:DNA Nanoclusters by Capillary Electrophoresis in Microfluidic Channels," Proceedings of the Thirteenth International Conference on Miniaturized Systems on Miniaturized Chemical and BioChemical Analysis Systems (µTAS2009), Jeju, Korea, November 1st-5th, 2009.
Huang, X.T., Gupta, C., Squires, T., and Pennathur S., "A Novel Side-Released Nanofluidic Channel Fabrication Method," Proceedings of the Thirteenth International Conference on Miniaturized Systems on Miniaturized Chemical and BioChemical Analysis Systems (µTAS2009), Jeju, Korea, November 1st-5th, 2009.
Andersen, M.B., Gregersen, M.M., Wolfcale, T., Pennathur, S., and Bruus, H., "Microchannel Electrokinetics of Charged Analytes in Buffered Solutions Near Floating Electrodes", GAMM 2009, The 80th Annual Meeting of the International Association of Applied Mathematics and Mechanics., Gdansk, Poland, February 9th - 13th, 2009.
Sustarich, J., and Pennathur, S., "Field Amplified Sample Stacking in Nanofluidic Channels", Presented at Molecular BioSeparations (MSB) Conference, Boston, MA, February 1-5th, 2009.
Napoli, M., and Penathur, S., "Towards Understanding Biomolecule Behavior in Nanofluidic Channels, Presented at Molecular BioSeparations (MSB) Conference, Boston, MA, February 1-5th, 2009.
Boy, D., Napoli, M., Gibou, F., Mezic, I., and Pennathur, S., "Diffusivity Effects in Charged Particles Transport in Nanochannels", AiCHE 2008 Annual Meeting, Philadelpha, PA, November 16th-21st, 2008.
Van der Wouden, E.J., Pennathur, S., and ven den Berg, A., "AC Field Effect Flow Control of EOF in Complex Microfluidic Systems with Integrated Electrodes", Proceedings of the Twelfth International Conference on Miniaturized Systems on Miniaturized Chemical and BioChemical Analysis Systems (µTAS2008), San Diego, CA. October 12-16th, 2008.
Van der Wouden, E.J., Bomer, J.,Pennathur, S., Eijkel, J.C.T., ven den Berg, A., "Fabrication of a Nanofluidic Field Effect Transistor for Controlled Cavitation in Nanochannels" XXII ICTAM, August 25th -29th, 2008, Adelaide, Austrailia.
Patel, K.D., Huber, D.E., Markel, M.L., Bartsch, M. and Pennathur, S., "Coupled free-solution separation and on-chip hybridization of oligonucleotides for the detection of single nucleotide polymorphisms in a nanofluidic device", ISCCE 2007, 31st International Symposium on Capillary Chromatography and Electrophoresis, Albuquerque, NM, Nov. 28th-30th, 2007.
Rhieu, S., Huber, D., and Pennathur, S, "The Measurement Of Diffusion Coefficients Using Nanofluidic Channels," published in the Proceedings of the International Mechanical Engineering Conference and Exposition, Seattle, WA, IMECE2007-42562, November 11-15, 2007.
Huber, D, Markel, M.L., Pennathur, S., and Patel, K., "Coupled Free-solution Separation and on-chip Hybridization of Oligonucleotides in a Nanofluidic Device," published in Proceedings of the Eleventh International Conference on Miniaturized Systems on Miniaturized Chemical and BioChemical Analysis Systems (µTAS2007), Paris, France. October 7-11th, 2007.
Pennathur, S., Huber, D, Rhieu, S., and Patel, K., "Diffusion-Based Free Solution DNA Hybridization and Transport in a Nanofluidic Device," Proceedings of the Tenth International Conference on Miniaturized Systems on Miniaturized Chemical and BioChemical Analysis Systems (µTAS2006), Tokyo, Japan. November 5-9, 2006.
Pennathur, S., Kattah, M., Baldessari, F., Steinman, J., Utz, PJ, and Santiago, JG, "Electrophoresis in Nanochannels," published in the Proceeding of the 2nd Joint US - European Fluids Engineering Summer Meeting, Miami, FL, FEDSM2006-98558, July 17-20th, 2006.
Pennathur, S. and J.G. Santiago, "1.5d Electrophoresis in Nanochannels," published in the Proceedings of the Ninth International Conference on Miniaturized Systems on Miniaturized Chemical and BioChemical Analysis Systems (µTAS2005), Boston, MA, No. 0724, October 9-14, 2005.
Pennathur, S. and J.G. Santiago, "Separation and Dispersion Mechanisms in Electrokinetic Nanochannels," published in the Proceedings of the International Mechanical Engineering Conference and Exposition, Anaheim, CA, IMECE2004-61356, November 13-19, 2004.
Pennathur, S. and J.G. Santiago, "Electrokinetic Transport and Dispersion in Nanoscale Channels," published in the Proceedings of the Eighth International Conference on Miniaturized Systems on Miniaturized Chemical and BioChemical Analysis Systems (µTAS2004), Malmo, Sweden, No. A30340, September 26-30, 2004.
Pennathur, S., Peles, Y., Epstein, A., "Cavitation at Micro-scale in MEMS Turbomachinery," Proceedings of the International Mechanical Engineering Congress and Exposition, Seventh Micro-Fluidic Symposium, New Orleans, Louisiana, IMECE 2002-33556, November 17-22, 2002.
Published Abstracts and Non-Refereed Proceedings
McCallum, C., & Pennathur, S. (2015). Modelling nanofluidic field amplified sample stacking with inhomogeneous surface charge. Bulletin of the American Physical Society, 60.
Garcia, M., & Pennathur, S. (2015). Particle Dynamics in Tangential Flow Filtration. Bulletin of the American Physical Society, 60.
Del Bonis-O'Donnell, J.T., Fygenson,D.K., and Pennathur, S. "Resolving distinct conformations of spectrally similar silver-DNA nanoclusters using electrokinetic flows", Presented at American Physical Society - Division of Fluid Dynamics (APS-DFD), San Diego, CA, Nov. 18th-20th, 2012.
Shelton, E., Baum, M., Morse, D., and Pennathur, S., "Nanofluidic electrokinetic separation for characterizing PEG-dendrimers and KLH-protein," Presented at American Physical Society - Division of Fluid Dynamics (APS-DFD), San Diego, CA, Nov. 18th-20th, 2012.
Del Bonis-O'Donnell, J.T., Fygenson, D.K., and Pennathur, S. "Resolving Distinct Conformations of Spectrally Similar SilverDNA Nanoclusters Using Electrokinetic Flows", CeNS Workshop 2012 (Center for Nanoscience, Ludwig Maximilians University), Venice International University, San Servolo, Italy, Sept 17th-21st, 2012.
Gillespie, D., and Pennathur, S., "Charged Species Transport and Separation in Nanochannels with Combine Pressure-Driven and Electrokinetic Flow", presented at the ICREA Symposium 2012 of Nanofluidics, Colloids and Membranes, July 16-18th, 2012.
Ray, T and Pennathur S. "Microfluidic-based device for accurate characterization of metallic nanoparticles." Presented at SoCal Fluids Symposium, Santa Barbara, California, April 14, 2012.
Eovino, B., Paden, B.E., and Pennathur, S., "A frequency response model for electroosmotic actuators", Presented at SoCal Fluids Symposium, Santa Barbara, California, April 14, 2012.
Wynne, T.M. and Pennathur, S., "Electrokinetic Characterization of Individual Nanoparticles in Nanofluidic Channels", Presented at SoCal Fluids Symposium, Santa Barbara, CA, USA, April 14, 2012.
Del Bonis-O'Donnell, J.T., Fygenson, D., and Pennathur, S., "Resolving distinct conformations of spectrally similar silver-DNA nanoclusters using electrokinetic flows", Presented at SoCal Fluids Symposium, Santa Barbara, California, April 14th, 2012.
Russell, A., Handa, S., "Electrokinetic Energy Conversion in pnc-Si Membranes", Presented at SoCal Fluids Symposium, Santa Barbara, California, 14 April, 2012.
Shelton, E., Baum, M., Morse, D., and Pennathur, S., "Nanofluidic electrokinetic separation for characterizing PEG-dendrimers and KLH-protein," Presented at SoCal Fluids Symposium, Santa Barbara, California, 14 April, 2012.
Ray T.R., and Pennathur, S., "Nanofluidic-based Characterization of Gold Nanoparticles." Physics and Chemistry of Microfluidics, Gordon Conference, Waterville Valley, New Hampshire, June 26th-July1st, 2011.
Wynne, T.M. and Pennathur, S. "Label-Free Detection in Micro and Nanofluidic Systems using Surface Plasmon Resonance," Poster presented at the Gordon Research Conference: Physics & Chemistry of Microfluidics, Waterville Valley, NH, USA, June 25th-30th, 2011.
Wynne, T.M., Chen, S., Shah, .D, Napoli, M.T., Kogot, J., and Pennathur, S., "Nanofluidics for Bioanalytical Applications", Poster presented at the 2012 ICB Army-Industry Collaboration Conference, Santa Barbara, CA, USA, February 28-29th, 2012
Wynne, T.M., Dixon, A.H., and Pennathur, S., "Nanoparticle Characterization Tool Using Frustrated Total Internal Reflectance Microscopy (fTIRFM)", Presented at the 2011 ICB Army-Industry Collaboration Conference, Santa Barbara, CA, February 8-9th, 2011.
Boy, D., Gibou, F., Mezic, I., and Pennathur, S., "Diffusivity Effects on Chraged Species Separation in Nanochannels", Presented at American Physics Society - Division of Fluid Dynamics (APS-DFD), San Antonio, TX, Nov. 22-24th, 2008.
Andersen, M.B., Frey, J., Bruus, H., and Pennathur, S., "Electrochemical surface properties of bare- and silane-coated silica nanochannels", Presented at American Physics Society – Division of Fluid Dynamics (APS-DFD), Los Angeles, CA, Nov. 21-23th, 2010.
Pennathur, S., Jensen, K., Kristensen, J., Crumrine, A., Andersen, M., and Bruus, H., "Hydronium-dominated ion transport in carbon-dioxide-saturated electrolytes at low salt concentration in nanochannels", Presented at American Physics Society - Division of Fluid Dynamics (APS-DFD), Los Angeles, CA, Nov. 21-23th, 2010.
Storey, B., Sustarich, J., and Pennathur, S., "Field Amplified Sample Stacking in Nanofluidic Channels," Presented at American Physics Society - Division of Fluid Dynamics (APS-DFD), Los Angeles, CA, Nov. 21-23th, 2010.
Khair, A., Huang, T., Pennathur, S., and Squires, T., "Nanoscale Ion Manipulation Using Flows & Fields For Sample Pretreatment and Energy Harvesting" Presented at the 2011 ICB Army-Industry Collaboration Conference, Santa Barbara, CA, March 6th-7th, 2010.
Boy, D., Atzberger, P.J., Gibou, F., and Pennathur, S. "Particle Separation by Capillary Electrophoresis in Nanochannels", presented at IMA Microfluidics: Electrokinetic and Interfacial Phenomena, December 7th-11th, 2009.
Andersen, M.B., Frey, J., Pennathur, S., and Bruus, H., "Concentration polarization effects in nanochannel induced-charge electro-osmosis" 62nd Annual Meeting of the American Physical Society's Division of Fluid Dynamics, Minneapolis, Minnesota, USA, 22-24 November 2009.
Andersen, M.B., Wolfcale, T., Pennathur, S., and Bruus, H., "Electrokinetically induced ion-depletion near polarizable objects in nanochannels" FLUID-DTU summer school, Krogerup Hojskole, Denmark, 19 August 2009.
Frey, J., Andersen, M.B., Bruus, H., and Pennathur, S., "Experimental Study of the Solid-Liquid Interface in Nanofluidic Systems", FLUID-DTU summer school, Krogerup Hojskole, Denmark, 19 August 2009.
Andersen, M.B., Wolfcale, T., Pennathur, S., and Bruus, "Numerical analysis of analyte transport across un-biased electrodes in nanochannels" Gordon Research Conference on the Physics and Chemistry of Microfluidics, Barga, Italy, 28 June-3 July 2009.
Andersen, M.B., Wolfcale, T., Pennathur, S., and Bruus,H. Annual meeting of the Danish Physical Society Nordic Meeting, Technical University of Denmark, Denmark, 16-18 June 2009.
Napoli, M.N. and Pennathur, S., "Nanofluidic-based Portable Devices for Biomolecule Analysis", Presented at the 2009 ICB Army-Industry Collaboration Conference, Santa Barbara, CA, February 28-29th, 2009.
Huang, X.T., Gupta, C., Squires, T., and Pennathur S., "A Novel Side-Released Nanofluidic Channel Fabrication Method," Presented at the 2009 ICB Army-Industry Collaboration Conference, Santa Barbara, CA, February 28-29th, 2009.
Gupta, C., Huang, T., and Pennathur, S., "Towards Electrokinetic Energy Generation", Presented at CNID Final Review, Riverside, CA, July 12th, 2008.
Pennathur, S., "An Experimental Investigation of Electrokinetic Nanofluidic Separation in Planar Channels", Presented at Molecular BioSeparations (MSB) Conference, Berlin, Germany, March 9th-13th 2008.
Boy, D., Huber, D.E., Rhieu, S., Mezic, I., and Pennathur, S., "Towards Rapid, Portable DNA fingerprinting for Biometric Detection", Presented at the 2008 ICB Army-Industry Collaboration Conference, Santa Barbara, CA, February 12-13th, 2008.
Pennathur S, Vermier, S., Wijnperle, D., Eijkel, J., van de Berg, A., "Nonlinear capacitive electrokinetic effects around a floating electrode in a nanofluidic channel," Physics and Chemistry of Microfluidics, Gordon Conference, Waterville Valley, New Hampshire, July 15-20th, 2007.
Huber, D, Markel, M.L., Pennathur, S., and Patel, K., "Coupled Free-solution Separation and on-chip Hybridization of Oligonucleotides in a Nanofluidic Device," Physics and Chemistry of Microfluidics, Gordon Conference, Waterville Valley, New Hampshire, July 15-20th, 2007.
Pennathur, S., Wijnperle, D., Eijkel, J., van de Berg, A., "Electric field dependant analyte concentration using a floating gold electrode in a nanofluidic channel," NanoNED Meeting, Bad Boeklo, the Netherlands, April 12-13th, 2007.
Pennathur, S., Kattah, M., Baldessari, F., Steinman, J., Utz, PJ, and Santiago, JG. "Free-Solution Oligonucleotide separation in Nanoscale Channels," National Heart, Lung, and Blood Institute (NHLBI) Proteomics Meeting, Washington, DC, November 18-29th, 2006.
Pennathur, S., and Santiago, JG., "DNA separation in Nanoscale Channels," presented at the 9th annual European conference on Micro & Nanoscale Technologies for the Bioscience (Nanotech-montreux), November 15-17th, 2005.
Huber, D., Pennathur, S., Santiago, J.G., and Utz, P.J., "Temperature Gradient Focusing for Proteomic Applications," National Heart, Lung, and Blood Institute (NHLBI) Proteomics Meeting, Washington, DC, September 28-29th, 2005.
Pennathur S, and Santiago, J.G., "Electrokinetic Separation by Ion Valence," Physics and Chemistry of Microfluidics, Gordon Conference, Oxford, England, August 21-26, 2005.
Santiago, J.G. and S. Pennathur, "Electrophoretic Separations in Nanochannels," Microfluidics Workshop, Banff International Research Station, Banff, Canada, April 30-May 3, 2005.
Pennathur, S., Huber, D., Santiago, J.G., and Utz, P.J., "Microfluidic eTag Separation for Proteomic Applications," National Heart, Lung, and Blood Institute (NHLBI) Proteomics Meeting, Washington, DC, November 18-29th, 2004.
Pennathur, S., Santiago, J.G., and Utz, P.J., "Microfluidic eTag Separations," Bio-X Interdisciplinary Initiatives Symposium, Stanford University, CA, July 31, 2003.
Pennathur, S., Santiago, J.G., and Utz, P.J., "Microfluidic eTag Separation for Proteomic Applications," Stanford Graduate Fellowship Research Symposium, April 22, 2003.
Books
Rogers, B., Adams, J., and Pennathur, S. Nanotechnology: The Whole Story. New York: CRC Press.
Rogers, B., Adams, J., and Pennathur, S. Nanotechnology (Mechanical Engineering), 2nd Edition. New York: CRC Press, 2011.
Rogers, B., Adams, J., and Pennathur, S. Nanotechnology (Mechanical Engineering). New York: CRC Press, 2007.
Theses
Pennathur, S., "Nanoscale Electrokinetic Transport," Ph.D. Thesis, Department of Mechanical Engineering, Stanford University, 2006.
Pennathur, S., "Microscale Turbopump Cavitation," M.S. Thesis, Department of Aeronautics and Astronautics, MIT, 2001.