Sonia Grego | Scholars@Duke

Sonia Grego
Associate Research Professor in theDepartment of Electrical and Computer Engineering

Current Appointments & Affiliations

Associate Research Professor in theDepartment of Electrical and Computer Engineering, Electrical and Computer Engineering, Pratt School of Engineering 2019

Contact Information

701 W.Main Street, Durham, NC 27708
701 W.Main Street, Durham, NC 27708
sonia.grego@duke.edu (919) 660-5353
Smart Toilet Lab

Background
Education, Training, & Certifications
- Ph.D., University of North Carolina at Chapel Hill 2001
- Ph.D., University of Copenhagen 1999
Recognition
In the News
- FEB 3, 2020 Bass Connections
  
  Smart Toilet Saves Vital Health Data from Getting Flushed
Research
Selected Grants
Publications & Artistic Works
Selected Publications
- Academic Articles
  - Welling, C. M., S. Sasidaran, P. Kachoria, S. Hennessy, B. J. Lynch, S. Teleski, H. Chaudhari, et al. “Field testing of a household-scale onsite blackwater treatment system in Coimbatore, India.” Science of the Total Environment 713 (April 15, 2020). https://doi.org/10.1016/j.scitotenv.2020.136706.
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  - Sahondo, Tapuwa, Sarah Hennessy, Rebecca C. Sindall, Hitendra Chaudhari, Stephanie Teleski, Brendon J. Lynch, Katelyn L. Sellgren, Brian R. Stoner, Sonia Grego, and Brian T. Hawkins. “Field testing of a household-scale onsite blackwater treatment system in South Africa.” The Science of the Total Environment 703 (February 2020): 135469. https://doi.org/10.1016/j.scitotenv.2019.135469.
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  - Heathers, James A. J., Kristin H. Gilchrist, Meghan Hegarty-Craver, Sonia Grego, and Matthew S. Goodwin. “An analysis of stereotypical motor movements and cardiovascular coupling in individuals on the autism spectrum.” Biological Psychology 142 (March 2019): 90–99. https://doi.org/10.1016/j.biopsycho.2019.01.004.
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  - Gilchrist, Kristin H., Meghan Hegarty-Craver, Robert B. Christian, Sonia Grego, Ashley C. Kies, and Anne C. Wheeler. “Automated Detection of Repetitive Motor Behaviors as an Outcome Measurement in Intellectual and Developmental Disabilities.” Journal of Autism and Developmental Disorders 48, no. 5 (May 2018): 1458–66. https://doi.org/10.1007/s10803-017-3408-6.
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  - Amsden, Jason J., Philip J. Herr, David M. W. Landry, William Kim, Raul Vyas, Charles B. Parker, Matthew P. Kirley, et al. “Proof of Concept Coded Aperture Miniature Mass Spectrometer Using a Cycloidal Sector Mass Analyzer, a Carbon Nanotube (CNT) Field Emission Electron Ionization Source, and an Array Detector.” Journal of the American Society for Mass Spectrometry 29, no. 2 (February 2018): 360–72. https://doi.org/10.1007/s13361-017-1820-y.
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  - Grego, Sonia, Viswa Barani, Meghan Hegarty-Craver, Antony Raj, Prasanna Perumal, Adrian B. Berg, and Colleen Archer. “Soil-transmitted helminth eggs assessment in wastewater in an urban area in India.” Journal of Water and Health 16, no. 1 (February 2018): 34–43. https://doi.org/10.2166/wh.2017.147.
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  - Radauscher, E. J., C. B. Parker, K. H. Gilchrist, S. Di Dona, Z. E. Russell, S. D. Hall, J. B. Carlson, et al. “A miniature electron ionization source fabricated using microelectromechanical systems (MEMS) with integrated carbon nanotube (CNT) field emission cathodes and low-temperature co-fired ceramics (LTCC).” International Journal of Mass Spectrometry 422 (November 1, 2017): 162–69. https://doi.org/10.1016/j.ijms.2016.10.021.
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  - Behrsing, Holger, Erin Hill, Hans Raabe, Raymond Tice, Suzanne Fitzpatrick, Robert Devlin, Kent Pinkerton, et al. “In vitro exposure systems and dosimetry assessment tools for inhaled tobacco products: Workshop proceedings, conclusions and paths forward for in vitro model use.” Alternatives to Laboratory Animals : Atla 45, no. 3 (July 2017): 117–58. https://doi.org/10.1177/026119291704500305.
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  - Sellgren, K. L., B. T. Hawkins, and S. Grego. “An optically transparent membrane supports shear stress studies in a three-dimensional microfluidic neurovascular unit model.” Biomicrofluidics 9, no. 6 (November 1, 2015). https://doi.org/10.1063/1.4935594.
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  - Gilchrist, Kristin H., Gregory F. Lewis, Elaine A. Gay, Katelyn L. Sellgren, and Sonia Grego. “High-throughput cardiac safety evaluation and multi-parameter arrhythmia profiling of cardiomyocytes using microelectrode arrays.” Toxicology and Applied Pharmacology 288, no. 2 (October 2015): 249–57. https://doi.org/10.1016/j.taap.2015.07.024.
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  - Hawkins, Brian T., Sonia Grego, and Katelyn L. Sellgren. “Three-dimensional culture conditions differentially affect astrocyte modulation of brain endothelial barrier function in response to transforming growth factor β1.” Brain Research 1608 (May 2015): 167–76. https://doi.org/10.1016/j.brainres.2015.02.025.
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  - Sellgren, Katelyn L., Elizabeth J. Butala, Brian P. Gilmour, Scott H. Randell, and Sonia Grego. “A biomimetic multicellular model of the airways using primary human cells.” Lab on a Chip 14, no. 17 (September 2014): 3349–58. https://doi.org/10.1039/c4lc00552j.
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  - Gregory, C. W., K. L. Sellgren, K. H. Gilchrist, and S. Grego. “Publisher's Note: "High yield fabrication of multilayer polydimethylsiloxane devices with freestanding micropillar arrays" [Biomicrofluidics 7, 056503 (2013)].” Biomicrofluidics 7, no. 6 (November 1, 2013). https://doi.org/10.1063/1.4829778.
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  - Scobey, Trevor, Boyd L. Yount, Amy C. Sims, Eric F. Donaldson, Sudhakar S. Agnihothram, Vineet D. Menachery, Rachel L. Graham, et al. “Reverse genetics with a full-length infectious cDNA of the Middle East respiratory syndrome coronavirus.” Proceedings of the National Academy of Sciences of the United States of America 110, no. 40 (October 2013): 16157–62. https://doi.org/10.1073/pnas.1311542110.
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  - Gregory, C. W., K. L. Sellgren, K. H. Gilchrist, and S. Grego. “High yield fabrication of multilayer polydimethylsiloxane devices with freestanding micropillar arrays.” Biomicrofluidics 7, no. 5 (September 6, 2013). https://doi.org/10.1063/1.4827600.
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  - Kim, J. Y., M. K. Kwon, L. Vj, S. Grego, and M. Saif Islam. “Postgrowth in situ chlorine passivation for suppressing surface-dominant transport in silicon nanowire devices.” Ieee Transactions on Nanotechnology 11, no. 4 (July 17, 2012): 782–87. https://doi.org/10.1109/TNANO.2012.2197683.
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  - Gilchrist, K. H., D. E. Dausch, and S. Grego. “Electromechanical performance of piezoelectric scanning mirrors for medical endoscopy.” Sensors and Actuators, A: Physical 178 (May 1, 2012): 193–201. https://doi.org/10.1016/j.sna.2012.02.029.
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  - Grego, S., K. H. Gilchrist, J. B. Carlson, and B. R. Stoner. “A compact and multichannel optical biosensor based on a wavelength interrogated input grating coupler.” Sensors and Actuators, B: Chemical 161, no. 1 (January 3, 2012): 721–27. https://doi.org/10.1016/j.snb.2011.11.020.
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  - Grego, S., K. H. Gilchrist, J. Y. Kim, M. K. Kwon, and M. S. Islam. “Nanowire-based devices combining light guiding and photodetection.” Applied Physics A: Materials Science and Processing 105, no. 2 (November 1, 2011): 311–16. https://doi.org/10.1007/s00339-011-6623-6.
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  - Vj, L., J. Oh, A. P. Nayak, A. M. Katzenmeyer, K. H. Gilchrist, S. Grego, N. P. Kobayashi, et al. “A perspective on nanowire photodetectors: Current status, future challenges, and opportunities.” Ieee Journal on Selected Topics in Quantum Electronics 17, no. 4 (July 1, 2011): 1002–32. https://doi.org/10.1109/JSTQE.2010.2093508.
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  - Melvin, E. M., B. R. Moore, K. H. Gilchrist, S. Grego, and O. D. Velev. “On-chip collection of particles and cells by AC electroosmotic pumping and dielectrophoresis using asymmetric microelectrodes.” Biomicrofluidics 5, no. 3 (January 1, 2011). https://doi.org/10.1063/1.3620419.
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  - Grego, S., A. Huffman, M. Lueck, B. R. Stoner, and J. Lannon. “Nanoimprint lithography fabrication of waveguide-integrated optical gratings with inexpensive stamps.” Microelectronic Engineering 87, no. 10 (January 1, 2010): 1846–51. https://doi.org/10.1016/j.mee.2009.11.003.
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  - Gilchrist, K. H., R. P. McNabb, J. A. Izatt, and S. Grego. “Piezoelectric scanning mirrors for endoscopic optical coherence tomography.” Journal of Micromechanics and Microengineering 19, no. 9 (November 9, 2009). https://doi.org/10.1088/0960-1317/19/9/095012.
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  - Piascik, J. R., E. J. Swift, J. Y. Thompson, S. Grego, and B. R. Stoner. “Surface modification for enhanced silanation of zirconia ceramics.” Dental Materials : Official Publication of the Academy of Dental Materials 25, no. 9 (September 2009): 1116–21. https://doi.org/10.1016/j.dental.2009.03.008.
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  - Grego, S., J. R. McDaniel, and B. R. Stoner. “Wavelength interrogation of grating-based optical biosensors in the input coupler configuration.” Sensors and Actuators, B: Chemical 131, no. 2 (May 14, 2008): 347–55. https://doi.org/10.1016/j.snb.2007.11.053.
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  - Bhagat, S. K., H. Han, Y. Zoo, J. Lewis, S. Grego, K. Lee, S. Iyer, and T. L. Alford. “Effects of deposition parameters on the electrical and mechanical properties of indium tin oxide films on polyethylene napthalate substrates deposited by radio frequency magnetron sputtering.” Thin Solid Films 516, no. 12 (April 30, 2008): 4064–69. https://doi.org/10.1016/j.tsf.2007.12.146.
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  - Grego, S., J. Lewis, E. Vick, and D. Temple. “A method to evaluate mechanical performance of thin transparent films for flexible displays.” Thin Solid Films 515, no. 11 (April 9, 2007): 4745–52. https://doi.org/10.1016/j.tsf.2006.11.034.
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  - Lamvik, M., and S. Grego. “A multiaxis stage configured for rapid observations of plane samples at multiple angles.” Review of Scientific Instruments 76, no. 12 (December 1, 2005): 1–3. https://doi.org/10.1063/1.2140444.
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  - Bhatt, K. H., S. Grego, and O. D. Velev. “An AC electrokinetic technique for collection and concentration of particles and cells on patterned electrodes.” Langmuir 21, no. 14 (July 5, 2005): 6603–12. https://doi.org/10.1021/la050658w.
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  - Grego, S., J. Lewis, E. Vick, and D. Temple. “Development and evaluation of bend-testing techniques for flexible-display applications.” Journal of the Society for Information Display 13, no. 7 (July 1, 2005): 575–81. https://doi.org/10.1889/1.2001215.
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  - Grego, S., T. W. Jarvis, B. R. Stoner, and J. S. Lewis. “Template-directed assembly on an ordered microsphere array.” Langmuir 21, no. 11 (May 24, 2005): 4971–75. https://doi.org/10.1021/la0468850.
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  - Lewis, J., S. Grego, B. Chalamala, E. Vick, and D. Temple. “Highly flexible transparent electrodes for organic light-emitting diode-based displays.” Applied Physics Letters 85, no. 16 (October 18, 2004): 3450–52. https://doi.org/10.1063/1.1806559.
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  - Foulger, S. H., P. Jiang, A. Lattam, D. W. Smith, J. Ballato, D. E. Dausch, S. Grego, and B. R. Stoner. “Photonic crystal composites with reversible high-frequency stop band shifts.” Advanced Materials 15, no. 9 (May 2, 2003): 685–89. https://doi.org/10.1002/adma.200304566.
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  - Oddershede, Lene, Jakob Kisbye Dreyer, Sonia Grego, Stanley Brown, and Kirstine Berg-Sørensen. “The motion of a single molecule, the lambda-receptor, in the bacterial outer membrane.” Biophysical Journal 83, no. 6 (December 2002): 3152–61. https://doi.org/10.1016/s0006-3495(02)75318-6.
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  - Tirnauer, Jennifer S., Sonia Grego, E. D. Salmon, and Timothy J. Mitchison. “EB1-microtubule interactions in Xenopus egg extracts: role of EB1 in microtubule stabilization and mechanisms of targeting to microtubules.” Molecular Biology of the Cell 13, no. 10 (October 2002): 3614–26. https://doi.org/10.1091/mbc.E02-04-0210.
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  - Dowek, D., I. Reiser, S. Grego, N. Andersen, A. Dubois, J. C. Houver, S. E. Nielsen, et al. “P-state-to-P-state transitions in optically prepared atomic collisions: III. A complete analysis of Li⁺ + Na(3p) → Li(2p) + Na⁺ differential scattering.” Journal of Physics B: Atomic, Molecular and Optical Physics 35, no. 9 (May 14, 2002): 2051–68. https://doi.org/10.1088/0953-4075/35/9/304.
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  - Grego, S., J. Salgado, P. Borel, S. E. Nielsen, and N. Andersen. “P-state-to-P-state transitions in optically prepared atomic collisions: II. Alignment propensity for Na(3p) → Li(2p) electron transfer.” Journal of Physics B: Atomic, Molecular and Optical Physics 35, no. 9 (May 14, 2002): 2035–50. https://doi.org/10.1088/0953-4075/35/9/303.
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  - Sidky, E. Y., S. Grego, D. Dowek, and N. Andersen. “P-state-to-P-state transitions in optically prepared atomic collisions: I. Theory of measurement in terms of Stokes parameters.” Journal of Physics B: Atomic, Molecular and Optical Physics 35, no. 9 (May 14, 2002): 2005–33. https://doi.org/10.1088/0953-4075/35/9/302.
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  - Oddershede, L., S. Grego, S. F. Nørrelykke, and K. Berg-Sørensen. “Optical tweezers: Probing biological surfaces.” Probe Microscopy 2, no. 2 (December 1, 2001): 129–37.
  - Grego, S., V. Cantillana, and E. D. Salmon. “Microtubule treadmilling in vitro investigated by fluorescence speckle and confocal microscopy.” Biophysical Journal 81, no. 1 (July 2001): 66–78. https://doi.org/10.1016/s0006-3495(01)75680-9.
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  - Grego, S., J. Salgado, J. W. Thomsen, M. Machholm, S. E. Nielsen, and N. Andersen. “Final state alignment for Li⁺ + Na(3s) → Li (2p) + Na⁺ electron transfer.” Journal of Physics B: Atomic, Molecular and Optical Physics 31, no. 15 (August 14, 1998): 3419–28. https://doi.org/10.1088/0953-4075/31/15/013.
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  - Grego, S., E. Arimondo, and C. Frediani. “Optical tweezers based on near infrared diode laser.” Journal of Biomedical Optics 2, no. 3 (January 1, 1997): 332–39. https://doi.org/10.1117/12.275449.
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  - Grego, S., M. Colla, A. Fioretti, J. H. Müller, P. Verkerk, and E. Arimondo. “A cesium magneto-optical trap for cold collisions studies.” Optics Communications 132, no. 5–6 (December 15, 1996): 519–26. https://doi.org/10.1016/0030-4018(96)00417-8.
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- Conference Papers
  - Zhou, J., C. M. Welling, S. Kawadiya, M. A. Deshusses, S. Grego, and K. Chakrabarty. “Sensor-Array optimization based on mutual information for sanitation-related malodor alerts.” In Biocas 2019 Biomedical Circuits and Systems Conference, Proceedings, 2019. https://doi.org/10.1109/BIOCAS.2019.8919132.
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  - Grego, Sonia, Edward R. Dougherty, Francis J. Alexander, Scott S. Auerbach, Brian R. Berridge, Michael L. Bittner, Warren Casey, et al. “Systems biology for organotypic cell cultures.” In Altex, 34:301–10, 2017. https://doi.org/10.14573/altex.1608221.
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  - Grego, S., K. H. Gilchrist, and B. R. Stoner. “Tunable wavelength interrogated sensor platform (TWIST) for point-of-care diagnostics of infectious diseases.” In Proceedings of Spie the International Society for Optical Engineering, Vol. 8029, 2011. https://doi.org/10.1117/12.886880.
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  - Kim, J. Y., M. K. Kwon, V. J. Logeeswaran, S. Grego, and M. S. Islam. “In-situ chlorine passivation to suppress surface-dominant transport in silicon nanowire devices.” In Proceedings of Spie the International Society for Optical Engineering, Vol. 7768, 2010. https://doi.org/10.1117/12.861607.
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  - Grego, S., K. H. Gilchrist, J. Y. Kim, M. K. Kwon, and M. S. Islam. “Waveguide-integrated nanowire photoconductors on a non-single crystal surface.” In Proceedings of Spie the International Society for Optical Engineering, Vol. 7406, 2009. https://doi.org/10.1117/12.825260.
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  - Bandaru, P. R., S. Grego, and I. Kinloch. “Materials Research Society Symposium Proceedings: Preface.” In Materials Research Society Symposium Proceedings, Vol. 1142, 2009.
  - Grego, S., and B. R. Stoner. “Wavelength interrogation of optical waveguide biosensors in the input grating coupler configuration.” In Proceedings of Spie the International Society for Optical Engineering, Vol. 7218, 2009. https://doi.org/10.1117/12.808428.
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  - Bhagat, S., Y. Zoo, H. Han, J. Lewis, S. Grego, K. Lee, S. Iyer, and T. L. Alford. “Mechanical properties of indium tin oxide on polyethylene napthalate substrate.” In Materials Research Society Symposium Proceedings, 1012:401–6, 2007.
  - Lannon, J., S. Grego, and S. Solomon. “Multicolor IR emissive pixels.” In Proceedings of Spie the International Society for Optical Engineering, Vol. 6544, 2007. https://doi.org/10.1117/12.727588.
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  - Grego, S., C. Yang, C. A. Bower, B. R. Stoner, and T. J. Suleski. “Optical waveguide biosensor based on two-dimensional diffractive elements obtained by nano-imprint lithography.” In Proceedings of Spie the International Society for Optical Engineering, Vol. 6475, 2007. https://doi.org/10.1117/12.700616.
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  - Grego, S., A. M. Patel, B. R. Stoner, Y. Cao, and T. J. Suleski. “Novel grating-based optical waveguide device for sensor applications.” In Proceedings of Spie the International Society for Optical Engineering, Vol. 6218, 2006. https://doi.org/10.1117/12.665504.
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  - Grego, S., S. Naskar, A. M. Patel, A. Huffman, C. A. Bower, and B. R. Stoner. “Novel optical-waveguide sensing platform based on input grating coupler.” In Proceedings of Spie the International Society for Optical Engineering, Vol. 6123, 2006. https://doi.org/10.1117/12.646302.
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  - Lamvik, M., and S. Grego. “Plano-eucentric photometry system for micro-display metrology.” In Digest of Technical Papers Sid International Symposium, 36:542–45, 2005. https://doi.org/10.1889/1.2036495.
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  - Lewis, J. S., S. Grego, E. Vick, and D. Temple. “Evaluating and improving mechanical performance of thin films for flexible displays.” In Proceedings of Spie the International Society for Optical Engineering, 5801:249–60, 2005. https://doi.org/10.1117/12.600717.
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  - Grego, S., J. Lewis, E. Vick, B. Chalamala, and D. Temple. “Mechanical evaluation of permeation barriers for flexible OLED displays.” In Conference Proceedings Lasers and Electro Optics Society Annual Meeting Leos, 1:340–41, 2004.
  - Grego, S., T. Jarvis, B. Stoner, and J. Lewis. “Investigation of the layer-by-layer assembly of colloid crystals on a templated substrate.” In Materials Research Society Symposium Proceedings, 820:345–50, 2004.
  - Lamvik, M., S. Grego, R. Labennett, and D. Temple. “Polymer light guide arrays for tiling large-scale displays.” In Proceedings of Spie the International Society for Optical Engineering, 5443:196–204, 2004. https://doi.org/10.1117/12.561286.
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  - Lewis, J., S. Grego, E. Vick, B. Chalamala, and D. Temple. “Mechanical performance of thin films in flexible displays.” In Materials Research Society Symposium Proceedings, 814:189–98, 2004.
  - Lamvik, M., S. Grego, E. Martin, and D. Fox. “Methods of automatic seamless tiling for rapid deployment of projection displays.” In Proceedings of Spie the International Society for Optical Engineering, 5080:272–79, 2003. https://doi.org/10.1117/12.500956.
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  - Lamvik, M., S. Grego, E. Martin, and D. Fox. “Rapid automatic alignment of a tiled digital projection system.” In Proceedings of Spie the International Society for Optical Engineering, 5002:7–14, 2003. https://doi.org/10.1117/12.473853.
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  - Foulger, S. H., A. C. Lattam, P. Jiang, J. Ballato, D. E. Dausch, S. Grego, and B. R. Stoner. “Integration of photonic bandgap composites with piezoelectric actuators for rejection wavelength tuning.” In Proceedings of Spie the International Society for Optical Engineering, 4809:40–50, 2002. https://doi.org/10.1117/12.451667.
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  - Frediani, C., S. Grego, L. Guidoni, and E. Arimondo. “Compact microscope-based 850-nm optical tweezers.” In Proceedings of Spie the International Society for Optical Engineering, 2629:56–61, 1996.

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Education, Training, & Certifications

In the News

Selected Grants

Selected Publications

Academic Articles

Conference Papers