Journal Publications

*   H. Ra, W. Piyawattanametha, E. González-González, M. J. Mandella, G. S. Kino, O. Solgaard, D. Leake, R. L. Kaspar, A. Oro, and C. H. Contag, “In vivo imaging of human and mouse skin with a handheld dual-axis confocal fluorescence microscope,” Journal of Investigative Dermatology, Advanced Online Publication(link)

*   H. Ra, E. González-González, B. R. Smith, S. S. Gambhir, G.S. Kino, O. Solgaard, R. L. Kaspar, and C. H. Contag, “Assessing delivery and quantifying efficacy of siRNA therapeutics in the skin using a dual-axis confocal microscope,” Journal of Biomedical Optics 15, 036027 (2010).    (pdf)

*   E. González-González, H. Ra, R. Spitler, R. P. Hickerson, C. H. Contag and R. L. Kaspar, "Increased interstitial pressure improves nucleic acid delivery to skin enabling a comparative analysis of constitutive promoters," Gene Therapy 17, 1270-1278 (2010). (pdf)

*  J. T. C. Liu, M. J. Mandella, N. O. Loewke, H. Haeberle, H. Ra, W. Piyawattanametha, O. Solgaard, G. S. Kino, and C. H. Contag, “A dual-axis confocal microscope utilizing a gradient-index relay lens and unstable Lissajous scanning for image-guidance during surgery,” Journal of Biomedical Optics 15, 026029 (2010). (pdf)

*   W. Piyawattanametha, E. D. Cocker, L. D. Burns, R. P. J. Barretto, J. C. Jung, H. Ra, O. Solgaard, and M. J. Schnitzer, "In vivo brain imaging using a portable 2.9 g two-photon microscope based on a microelectromechanical systems scanning mirror," Optics Letters 34, 2309-2311 (2009). (pdf)

*   W. Piyawattanametha, H. Ra, M. J. Mandella, K. Loewke, T. D. Wang, G. S. Kino, O. Solgaard, and C. H. Contag,  "3-D Near Infrared Fluorescence Imaging using a MEMS-based Miniature Dual-Axes Confocal Microscope," The IEEE Journal of Selected Topics in Quantum Electronics (JSTQE) 15, 1344-1350 (2009). (pdf)

*   E. González-González, H. Ra, R. Hickerson, Q. Wang, W. Piyawattanametha, M. Mandella, G.S. Kino, D. Leake, A. Avilion, O. Solgaard, T. Doyle, C.H. Contag, R. Kaspar, “siRNA silencing of keratinocyte-specific GFP expression in a transgenic mouse skin model,”Gene Therapy 16, 963-972 (2009). (pdf)

*   C. L. Hoy, N. J. Durr, P. Chen, W. Piyawattanametha, H. Ra, O. Solgaard, and A. Ben-Yakar, “Miniaturized probe for femtosecond laser microsurgery and two-photon imaging,” Optics Express 16, 9996-10005 (2008). (pdf)

* H. Ra, W. Piyawattanametha, M. J. Mandella, P. Hsiung, J. Hardy, T. D. Wang, C. H. Contag, G. S. Kino, and O. Solgaard, “Three-dimensional in vivo imaging by a handheld dual-axes confocal microscope,” Optics Express 16, 7224-7232 (2008). (pdf)

*   H. Ra, W. Piyawattanametha, Y. Taguchi, D. Lee, M. J. Mandella, O. Solgaard, “Two-Dimensional MEMS Scanner for Dual-Axes Confocal Microscopy,” Journal of Microelectromechanical Systems 16 (4), pp. 969-976 (2007)(pdf)

*   H. J. Shin, M. C. Pierce, D. Lee, H. Ra, O. Solgaard, and R. Richards-Kortum, “Fiber-optic confocal microscope using a MEMS scanner and miniature objective lens,” Optics Express 15 (15), 9113-9122 (2007). (pdf)

*   J. T. C. Liu, M. J. Mandella, H. Ra, L. K. Wong, P. Hsiung, T. D. Wang, G. S. Kino, W. Piyawattanametha, C. H. Contag, and O. Solgaard, “A miniature near-infrared dual-axes confocal microscope utilizing a two-dimensional MEMS scanner,” Optics Letters 32 (3), 256-258 (2007).              (pdf)

*   K. C. Maitland, H. J. Shin, H. Ra, D. Lee, O. Solgaard, and R. Richards-Kortum, “Single fiber confocal microscope with a two-axis gimbaled MEMS scanner for cellular imaging,” Optics Express 14, 8604-8612 (2006). (pdf)

* W. Piyawattanametha, R. P. J. Barretto, T. H. Ko, B. A. Flusberg, E. D. Cocker, H. Ra, D. Lee, O. Solgaard, and M. J. Schnitzer, “Fast-scanning two-photon fluorescence imaging based on a microelectromechanical systems two-dimensional scanning mirror,” Optics Letters 31(13), 2018-2020 (2006). (pdf)

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