PEER-REVIEWED PUBLICATIONS

Submitted Articles

  1. Peng Shao, Ronald B. Moore, and R.J. Zemp, Monitoring photodynamic therapy with photoacoustic microscopy, Submitted to Biomed. Opt. Expr. 2014

  2. R. Chee, A. Sampaleanu, P. Zhang, A. Kshirsagar, W. Moussa, R.J. Zemp, “Multi-Frequency CMUT Arrays”, Submitted to IEEE Trans. Ultrasonics Ferroelectrics and Freq. Contr, 2013.

  3. Mohamed Elgendi, Prashant Bobhate, Shreepal Jain, Jennifer Rutledge, Yashu Coe, R.J. Zemp, Dale Schuurmans, Ian Adatia, Detection of the First and Second Heart Sounds In Children Using Daubechies Wavelets, Submitted to IEEE Trans. Biomed. Eng. 2014

  4. M. Elgendi, P. Bobhate, S. Jain, L. Guo, J. Rutledge, Y. Coe, R.J. Zemp, D. Schuurmans, I. Adatia, Sinewave heart sounds Analysis/Synthesis in children with and without pulmonary artery hypertension

  5. Mohamed Elgendi, Dale Schuurmans, R.J. Zemp, Prashant Bobhate, Ian Adatia, Shreepal Jain. Casual Influence in Heart Sounds with Pulmonary Hypertension

  6. Mohamed Elgendi, Yashu Coe, Prashant Bobhate, Roger Zemp, Dale Schuurmans, Shreepal Jain, Ian Adatia, The voice of the heart: towards understanding the heart sound signature of children with pulmonary artery hypertension, Submitted to International Journal of Cardiology, 2014



Published or Accepted for Publication

  1. P. Hajireza, J. Sorge, M. Brett, R.J. Zemp, In vivo optical resolution photoacoustic microscopy using glancing angle deposited nanostructured Fabry-Perot etalons, Accepted with minor revision, Optics Letters, 2015

  2. R. Chee, A. Sampaleanu, A. Kshirsagar, R.J. Zemp, Feasibility of Modulation-Encoded TOBE CMUT 2D Arrays, Accepted, IEEE UFFC. 2014.

  3. T.J. Harrison, P. Shao, R. Moore, and R.J. Zemp, Structured Illumination S-Sequence-Encoded Multiple-Illumination Photoacoustic Tomography, Accepted, J. Biomed. Opt. 2014.

  4. P. Shao, T.J. Harrison, and R.J. Zemp, A consecutive reconstruction strategy for estimating absorption and scattering coefficient distribution in multiple-illumination photoacoustic tomography (MI-PAT), Accepted, J. Biomed. Opt., 2014.

  5. M. Elgendi, P. Bobhate, J. Rutledge, Y. Coe, R.J. Zemp, D. Schuurmans, I. Adatia, Time-domain analysis of heart sound intensity in children with and without pulmonary artery hypertension: a pilot study using a digital stethoscope, Accepted, Pulmonary Circulation, 2014.

  6. R. Paproski, A. Heinmiller, K. Wachovicz, R.J. Zemp, “Multi-wavelength photoacoustic imaging of inducible tyrosinase reporter gene expression in xenograft tumors”,  Scientific Reports, 4, 5329, June 2014.

  7. W. Shi, R. Paproski, R. Moore, and R.J. Zemp, Magnetic Trapping and Low-Background Detection of Circulating Tumor Cells using Magnetic and Multiplexable SERS Nanoparticles. Accepted, J. Biomed. Opt. 2014 .

  8. Ryan K. W. Chee, Deepak Rishi, Alexander Sampaleanu, and R.J. Zemp, Top Orthogonal to Bottom Electrode (TOBE) 2D CMUT Arrays for 3D Photoacoustic Imaging, Accepted, IEEE Ultrason. Ferroelectr. Freq. Contr. 2014.

  9. M. Elgendi, P. Bobhate, J. Rutledge, Y. Coe, R.J. Zemp, D. Schuurmans, I. Adatia, Spectral analysis of the heart sounds in children with and without pulmonary artery hypertension, International J. Cardiology, Vol. 73, 2014, pp. 92-99.

  10. A. Forbrich, R. Paproski, and R.J. Zemp, “Comparing Efficiency of micro-RNA and mRNA Biomarker Liberation with Microbubble-Enhanced Sonoporation”, Ultrasound in Medicine and Biology, Vol. 40. No. 9, 2014, pp 2207-2216.

  11. R.J. Paproski, A. Forbrich, M. Hitt, and R.J. Zemp, “RNA Biomarker Release with Ultrasound and Phase-Change Nanodroplets,” Ultrasound in Medicine and Biology, Vol. 40, No. 8, 2014, pp. 1847-1856.

  12. T. Harrison, A. Sampaleanu, R.J. Zemp, S-sequence spatially-encoded synthetic aperture ultrasound imaging, IEEE Ultrason. Ferroelectr. Freq. Control., Vol. 16, No. 5, May 2014.

  13. P. Hajireza, A. Forbrich, R.J. Zemp, Stimulated Raman Scattering  Multi-wavelength Pulsed Fiber-Laser Source for Optical-Resolution Photoacoustic Microscopy, J. Biomed. Opt. Express, 5(2) Feb 2014, pp 539-546.

  14. J. Ranasinghesagara, Y. Jiang, R.J. Zemp, Reflection-Mode Multiple Illumination Photoacoustic Sensing, Photoacoustics, Vol. 2, 2014, pp. 33-38.

  15. A. Sampaleanu, P. Zhang, W. Moussa, R.J. Zemp, “Top-Orthogonal-to-Bottom-Electrode (TOBE) 2D CMUT Arrays”, IEEE Trans. Ultrason. Ferroelectr. Freq. Contr. Vol. 61, No. 2, Feb 2014.

  16. P. Hajireza, T. Harrison, and R.J. Zemp, Optical-resolution photoacoustic micro-endoscopy with an array transducer, J. Biomed. Opt. Vol. 18, No. 9, Sept 2013.

  17. T. Harrison, P. Shao, and R.J. Zemp, Linear Least-Squares Fixed Point Iteration Quantitative Reconstruction for Multiple Illumination Photoacoustic Tomography, Accepted, Biomed. Opt. Expr. 4(10), Oct 2013, pp 2224-2230.

  18. P. Hajireza, A. Forbrich, and R.J. Zemp, Multi-focus optical-resolution photoacoustic microscopy using stimulated Raman scattering and chromatic aberration, Optics Letters, 38(15):2711-3, 2013.

  19. P. Hajireza, K. Krause, M. Brett, and R. Zemp, Sensitive All-Optical Ultrasound Detection using Glancing Angle Deposited (GLAD) Nanostructured Film-Based Etalons, Accepted, Optics Express, 2013.

  20. R. Zemp, Phase-Function Corrected Diffusion Model for Diffuse Reflectance of a Pencil Beam Obliquely Incident on a Semi-Infinite Turbid Medium, Accepted, J. Biomed. Opt. 2013

  21. R.J. Paproski, S.Y.M. Yao, N. Favis, D. Evans, J.D. Young, C.E. Cass, R.J. Zemp, “Enhancing Gemcitabine Transport in Pancreatic Tumor Cells via Transfection of Nucleoside Transporters using Lipid-Stabilized Microbubbles and Ultrasound”, PLoS ONE 8(2): e56423.

  22. W. Shi, P. Shao, P. Hajireza, R.J. Zemp, “Imaging of Dynamic Processes using Realtime Reflection-Mode Optical-Resolution Photoacoustic Microscopy”, J. Biomed. Opt., 18(2):26001, Feb. 2013

  23. P. Hajireza, W. Shi, and R.J. Zemp, Label-Free in vivo GRIN-lens Optical Resolution Photoacoustic Micro-Endoscopy, Laser Physics Letters, Vol. 10(5), 055603, 2013 (Impact factor 9.97).

  24. P. Shao, W. Shi, R. Chee, R.J. Zemp, Mosaic Acquisition and Processing for Photoacoustic Microscopy, J. Biomed. Opt. 17(8), 080503, July, 2012

  25. P. Shao, T. Harrison, and R.J. Zemp, Multiple-Illumination Photoacoustic Tomography Image Reconstruction using Transducer Channel Data, Biomedical Optics Express, 3(12): 3240–3249, Dec. 2012.

  26. A. Forbrich, R. Paproski, and R.J. Zemp, “Microbubble-Aided Release of mRNA Biomarker Mammaglobin Using Ultrasound”, Accepted, Ultrasound in Medicine and Biology, 2012.

  27. P. Shao, P. Hajireza, W. Shi, R.J. Zemp, “Integrated micro-endoscopy system for simultaneous fluorescence and optical-resolution photoacoustic imaging”, J. Biomed. Opt. 17(7):076024, Jul 2012.

  28. P.Y. Zhang, G. Fitzpatrick, W. Moussa, R.J. Zemp, “Double SOI Wafer-Bonded CMUTs with Improved Electrical Safety and Minimal Roughness of Dielectric and Electrode Surfaces, JMEMS, Vol. 21, No. 3, June 2012.

  29. Y. Jiang, A. Forbrich, R.J. Zemp, “Blood Oxygen Flux Estimation with a Combined Photoacoustic and High-Frequency Ultrasound Microscopy System: a Phantom Study”, J. Biomed. Opt. 17(3):036012, Mar, 2012.

  30. P. Hajireza, W. Shi, R.J. Zemp, Real-time Handheld Optical-Resolution Photoacoustic Microscopy, Optics Express, Vol. 19, Issue 21, pp. 20097-20102, Oct 2011.

  31. P. Hajireza, W. Shi, P. Shao, S. Kerr, R.J. Zemp, Label-Free in vivo Fiber-Based Optical Resolution Photoacoustic Microscopy, Optics Letters, Vol. 36, Issue 20, pp. 4107-4109  Oct. 2011.

  32. W. Shi, P. Hajieza, P. Shao, A. Forbrich, R.J. Zemp, In vivo near-realtime volumetric optical-resolution photoacoustic microscopy using a high-repetition-rate nanosecond fiber-laser”, Optics Express, Vol. 19, Issue 18, pp. 17143-17150 (2011)

  33. T.J. Harrison, R.J. Zemp, “Coregistered photoacoustic-ultrasound imaging applied to brachytherapy”, J. Biomed. Opt. 16, pp. 080502, 2011

  34. T.J. Harrison and R.J. Zemp, On the applicability of ultrasound dynamic-receive beamformers to photoacoustic imaging, IEEE Trans. Ultrason. Ferroelectr. Freq. Contr., 58(10):2259-63 Oct. 2011

  35. P. Shao, B. Cox, R.J. Zemp, “Estimating Optical Absorption and Scattering Distributions with Multiple-Illumination Photoacoustic Tomography” Applied Optics, Vol. 50, Issue 19, pp. 3145-3154 (2011)

  36. R. Paproski, A. Forbrich, K. Wachowicz, M. Hitt, R.J. Zemp, “Multi-modality photoacoustic and magnetic resonance imaging of tyrosinase gene expression using an inducible system”, Biomed Opt Express. 2(4), pp. 771–780 (Apr. 2011).

  37. W. Shi, S. Kerr, I. Utkin, J. Ranasinghesagara, L. Pan, Y. Godwal, R.J. Zemp, R. Fedosejevs, “Passively Q-Switched Microchip and Fiber Lasers for Optical-Resolution Photoacoustic Microscopy”, J. Biomed. Opt. Vol. 15 No. 5, pp. 056017, 2010.

  38. Y. Jiang, T. Harrison, J. Ranasinghesagara, R.J. Zemp, “Photoacoustic and High-Frequency Power Doppler Ultrasound Biomicroscopy: A Comparative Study”, J. Biomed Opt. 15(5), pp. 056008, 2010.

  39. Janaka C. Ranasinghesagara, Roger J. Zemp, “Combined Oblique Incidence Reflectometry and Photoacoustic Microscopy for Quantitative Photoacoustic Imaging”, J Biomed Opt. Jul-Aug;15(4), pp. 046016 (2010)

  40. R.J. Zemp, “Quantitative Photoacoustic Tomography with Multiple Optical Sources”, Applied Optics, Vol. 49, Issue 18, pp. 3566-3572 (2010)

  41. Tyler Harrison, Janaka C. Ranasinghesagara, Huihong Lu, Kory Mathewson, Andrew Walsh, Roger J. Zemp, “Combined Photoacoustic and Ultrasound Biomicroscopy”, Optics Express, Vol. 17, Issue 24, pp. 22041-22046 (2009)

  42. R.J. Zemp, “Nanomedicine: Detecting Rare Cancer Cells”, Nature Nanotechnology 4, 798 - 799 (2009)

  43. Janaka C. Ranasinghesagara, Yan Jiang, Kory Mathewson, Xuhui Chen, Roger J. Zemp, “A Photoacoustic Method for Measuring Optical properties in Turbid Media”, J. Biomed. Opt. Vol. 14, 040504 (2009).

  44. R. Bitton, R. J. Zemp, J. Yen, L. V. Wang, and K. Kirk Shung, “A 3D high frequency array based 16 channel photoacoustic microscopy system for in-vivo micro-vascular imaging,” IEEE Transactions on Medical Imaging, Vol 28, No 8, pp. 1190-1197, (2009).

  45. R.J. Zemp, L. Song, R. Bitton, K.K. Shung, L.V. Wang, ‘Realtime photoacoustic imaging of cardiac and respiratory dynamics in mice’, Optics Express, Vol. 16, No. 22, 2008.

  46. L. Li, H. Zhang, R.J. Zemp, K. Maslov, L.V. Wang, Simultaneous imaging of a lacZ-marked tumor and microvasculature morphology in vivo by dual-wavelength photoacoustic microscopy, Journal of Innovative Optical Health Sciences, Vol. 1, No. 2 (2008) 207–215

  47. R.J. Zemp, L. Song, R. Bitton, K.K. Shung, and L.V. Wang, “In Vivo Realtime Photoacoustic Microscopy with a 30-MHz Ultrasound Array Transducer”, Optics Express, Vol. 16, No. 11, 26 May 2008

  48. R.J. Zemp, M.F. Insana, “Imaging with unfocused regions of focused ultrasound beams”, J. Acoust. Soc. Am., Vol. 121, No. 3, pp. 1491-1498, March 2007.

  49. L. Li, R.J. Zemp, (equal contribution) G. Lungu, G. Stoica, L.V. Wang, “Photoacoustic imaging of gene expression”, J. Biomed. Optics, Vol. 12, No. 2, pp. 020504, March/April 2007.

  50. R.J. Zemp, M.L. Li, R. Bitton, K.K. Shung, G. Stoica, and L.V. Wang, “Photoacoustic Imaging of the Microvasculature with a High-Frequency Ultrasound Array Transducer”, J. Biomed. Optics,Vol. 12(1), pp. 010501, Jan./Feb. 2007

  51. R.J. Zemp, C.H. Kim, L.V. Wang, “Ultrasound-modulated optical tomography with intense acoustic bursts”, Applied Optics, Vol. 46 No. 10, pp. 1615-23 April 2007

  52. R. Williams, E. Cherin, T.Y.J. Lam, J. Tavakkoli, R.J. Zemp and F.S. Foster, “Nonlinear ultrasound propagation through layered liquid and tissue-equivalent media: computational and experimental results at high frequency”, Phys. Med. Biol. Vol. 51, pp. 5809–5824, 2006

  53. R.J. Zemp, S. Sakadzic, L.V. Wang, “Stochastic explanation of speckle contrast detection in ultrasound-modulated optical tomography: theory and experiment”, Phys Rev E, Vol. 73, No. 6 Pt 1, pp. 061920, June 2006

  54. C.H. Kim, R.J. Zemp, L.V. Wang, “Intense acoustic bursts as a signal-enhancement mechanism in ultrasound-modulated optical tomography”, Opt Lett. Vol. 31, No. 16, pp.2423-2425, Aug 2006.

  55. C.K. Abbey, R.J. Zemp, J. Liu, K.K. Lindfors, M.F. Insana, “Observer efficiency in discrimination tasks simulating malignant and benign breast lesions with ultrasound”, IEEE Trans. Med. Imag., Vol. 25, No. 2, pp. 198-209, Feb. 2006

  56. R.J. Zemp, M.D. Parry, C.K. Abbey, and M.F. Insana, “Detection performance theory for ultrasound imaging systems”, IEEE Trans. Med. Imag., Vol. 24, No. 3, pp. 300-310, Mar. 2005

  57. R.J. Zemp, C.K. Abbey, and M.F. Insana, “Ideal observer model for detection of blood perfusion and flow using ultrasound,” Information Processing in Medical Imaging, 2003, Lecture Notes in Computer Science 2732, pp. 318-329, Springer-Verlag Berlin Heidelberg 2003

  58. R.J. Zemp, C.K. Abbey, M.F. Insana, “Linear system models for ultrasonic imaging: Application to signal statistics” IEEE. Trans. Ultrason. Ferroelectr. Freq. Contr. Vol. 50, No. 6, pp. 642-654, June 2003

  59. R.J. Zemp, J. Tavakkoli, and R.S.C. Cobbold, ‘Computationally efficient modeling of nonlinear ultrasound propagation’, J. Acoust. Soc. of Am., Vol. 113, No. 1, pp. 139-152, Jan. 2003

Book Chapters

59)  R.J. Zemp, L.Li, L.V. Wang, “Photoacoustic Imaging of Gene Expression” in Photoacoustic Imaging and Spectroscopy, Edited by Lihong V. Wang, Taylor & Francis Group/CRC press, 2009.

CONFERENCE PROCEEDINGS

Submitted:

  1. Tarek Kaddoura, Prashant Bobhate, Mohammed Elgendi, Long Guo, Shreepal Jain, Shine Kumar, Daniel Kim, Dylan Taylor, Wayne Tymchak, Jennifer Rutledge, James Coe, Dale Schuurmans, Roger J. Zemp, Ian Adatia, Automated measurement of electro-mechanical activation time differentiates pulmonary hypertensive patients with and without right ventricular failure, Submitted to ACC (American College of Cardiology) Annual Conference, San Diego, 2015.

  2. Mohamed Elgendi, Shine Kumar, Prashant Bobhate, Long Guo, Jennifer Rutledge, Yashu Coe, Roger J. Zemp, Dale Schuurmans, Ian Adatia, The Unique Heart Sound Signature Of Pulmonary Artery Hypertension, Submitted to ACC (American College of Cardiology) Annual Conference, San Diego, 2015.

  3. Prashant Bobhate, Tarek Kaddoura, Mohammed Elgendi, Long Guo, Shreepal Jain, Daniel Kim, Dylan Taylor, Wayne Tymchak, Schuurmans, Roger J. Zemp, Ian Adatia, Electro-mechanical activation time differentiates pulmonary hypertensive patients with and without right ventricular failure.

  4. Alexander Forbric, Yan Li, Robert. E. Cambell, and Roger J. Zemp, Directed Evolution of Chromoproteins for Photoacoutic FRET Imaging of Protein-Protein Interactions, Submitted to OSA/SPIE European Conferences on Biomedical Optics, Munich 2015

  5. Robert Paproski, John D. Lewis, and Roger J. Zemp, Nanodroplets as a platform for multi-modality imaging and drug delivery, Submitted to OSA/SPIE European Conferences on Biomedical Optics, Munich 2015

  6. Parsin Hajireza, Wei Shi, and Roger J. Zemp, Common-Path Interferometric Photoacoustic Remote Sensing Microscopy, Submitted to OSA/SPIE European Conferences on Biomedical Optics, Munich 2015

Accepted or Published

  1. W. Shi, R. Paproski, and R.J. Zemp, Multimodal Raman-Photoacoustic imaging for detection and multiplex biomarker assessment of magnetically-trapped circulating tumor cells with single-cell detection capabilities, Submitted to SPIE Photonics West 2015

  2. M.S. Mahmud, A. Fobrich, P. Shao, W. Shi, R.J. Zemp, A tunable MOPA laser for real-time optical resolution photoacoustic microscopy, Submitted to SPIE Photonics West 2015

  3. R.J. Zemp, A. Forbrich, P. Shao, and W. Shi, Lifetime-Weighted Photoacoustic Imaging, Submitted to SPIE Photonics West 2015

  4. T. McIntyre and R.J. Zemp, A Non-Stochastic Iterative Computational Method to Model Light Propagation in Turbid Media, Submitted to SPIE Photonics West 2015

  5. Robert J. Paproski, Li Yan, Quinn Barber, John D. Lewis, Robert Campbell, R.J. Zemp, Validating tyrosinase homologue MelA as a photoacoustic reporter gene for imaging Escherichia coli, Submitted to SPIE Photonics West 2015

  6. Robert J. Paproski, Andrew Heinmiller, Keith Wachowicz, R.J. Zemp, Longitudinal multi-wavelength photoacoustic imaging of MCF-7 xenograft tumors with inducible tyrosinase expression, Submitted to SPIE Photonics West 2015

  7. Quinn Barber, Tyler Harrison, and R.J. Zemp, Comparing Blanket Illumination vs Scanned-Mosaicing Imaging Schemes for Wide-Area Photoacoustic Tomography, Submitted to SPIE Photonics West 2015

  8. P. Hajireza and R.J. Zemp, In Vivo Optical-Resolution Photoacoustic Remote Sensing Microscopy, Submitted to SPIE Photonics West 2015

  9. R. Chee, A. Sampaleanu, and R.J. Zemp, Comparing Pre-Collapse and Collapse-Mode Operation in Top Orthogonal to Bottom Electrode (TOBE) 2D CMUT Arrays, MUT Workshop, 2014, Copenhagen Denmark.

  10. R. Chee and R.J. Zemp, Modulation Encoding in Top Orthogonal to Bottom Electrode (TOBE) 2D CMUT Arrays, MUT Workshop, 2014, Copenhagen Denmark.

  11. R.J. Zemp, T. Kaddoura, Tri-State Hadamard Non-Repeating Interval Codes for Parallel Synthetic Aperture Imaging and SNR Enhancement, IEEE International Ultrasonics Symposium, 2014

  12. R. Chee and R.J. Zemp, Modulation Encoding in Top Orthogonal to Bottom Electrode (TOBE) 2D CMUT Arrays, IEEE International Ultrasonics Symposium, 2014

  13. Yan Li, A. Forbrich, R.J. Zemp, and R.E. Campbell, Genetically-Encoded Chromoproteins for Photoacoustic Imaging, 2014 Volcano Conference in Chemical Biology, 2014. (abstract & poster)

  14. R. Chee, D. Rishi, A. Sampaleanu, and R.J. Zemp, Photoacoustic imaging with TOBE CMUTs, SPIE Photonics West 2014

  15. T. Harrison, D. Jeffrey. E. Wiebe, and R.J. Zemp, First-in-human photoacoustic-ultrasound imaging of the neck (Tyler), SPIE Photonics West 2014

  16. T. Harrison, R.J. Zemp, S-Sequence-Encoded MIPAT, Accepted, SPIE Photonics West 2014

  17. P. Shao, T. Harrison, and R.J. Zemp, Fixed-Point Iteration Least-Squares MIPAT for reconstructing absorption/scattering, SPIE Photonics West 2014

  18. P. Hajireza, J. Sorge, M. Brett, and R.J. Zemp, GLAD Fabry-Perot Etalons for OR-PAM, Photonics West 2014

  19. P. Hajireza, R.J. Zemp, All optical photoacoustic micro-endoscopy, SPIE Photonics West 2014

  20. P. Shao, R. Moore, R.J. Zemp, Photoacoustic imaging of RCC tumor models for evaluating anti-angiogenic therapy efficacy, Submitted to SPIE Photonics West 2014

  21. R. Paproski, G. Zheng, and R.J. Zemp, Phase-Change Porphysome Nanodroplets for multi-modality photoacoustic and ultrasound imaging, SPIE Photonics West 2014

  22. P. Hajireza, A. Sampaleanu, R. Chee, R.J. Zemp, Optical Resolution-Photoacoustic Microscopy with CMUTs, Accepted, SPIE Photonics West 2014

  23. R. Chee, A. Sampaleanu, R.J. Zemp, Feasibility of Modulation-Encoded TOBE CMUTs for single-shot 3D photoacoustic imaging, SPIE Photonics West 2014

  24. W. Shi, P. Shao, R.J. Zemp, Multimodality Photoacoustic Imaging and Raman Spectroscopy of Magnetically Trapped Circulating Tumor Cells Targeted with Magnetic and Surface-Enhanced Raman-Scattering Nanoparticles, Accepted, SPIE Photonics West 2014.

  25. Y. Jiang, P. Shao, and R.J. Zemp, In vivo Cerebral Oxygen Consumption Estimation using Combined Photoacoustic and Doppler Ultrasound Imaging, Accepted, 2013 World Molecular Imaging Congress, 2013.

  26. R.J. Paproski, D. Sosnowski, K.C. Simmen, D. Pink, J.D. Lewis, R.J. Zemp, Ultrasound-mediated release of biomarker-bearing extracellular nanovesicles from human carcinoma cells, 2013 World Molecular Imaging Congress, 2013.

  27. R.J. Paproski, D. Pink, K.C. Simmen, J.D. Lewis, R.J. Zemp, Optimizing phase-change nanodroplet formulation and synthesis for enhanced biodistribution and cell targeting, 2013 World Molecular Imaging Congress, 2013.

  28. W. Shi, R. Paproski, R.J. Zemp, Trapping and detection of circulating tumor cells using targeted magnetic and surface-enhanced-Raman-scattering nanoparticles, , 2013 World Molecular Imaging Congress, 2013.

  29. R.J. Zemp, A. Heinmiller, R. Paproski, T. Harrison, M. Lakshman, D. Bates, A. Needles, C. Theodoropoulos, Longitudinal Photoacoustic Imaging of Inducible Tyrosinase Reporter Gene Expression in Xenograft Tumors, Accepted, 2013 World Molecular Imaging Congress, 2013.

  30. A. Forbrich, Y. Li, J. Wu, R.E. Campbell, and R.J. Zemp, Genetically-Encoded Chromoproteins for Photoacoustic Imaging, Accepted, 2013 World Molecular Imaging Congress, 2013.

  31. W. Shi, P. Shao, R.J. Zemp, Investigation of photoacoustic signal strength as a function of scan-speed and laser-repetition-rate, IEEE International Ultrasonics Symposium 2013.

  32. R.J. Paproski, R.J. Zemp, Comparing nanodroplets and microbubbles for enhancing ultrasound-mediated gene transfection, IEEE International Ultrasonics Symposium 2013

  33. A. Sampaleanu, R.J. Zemp, S-Sequence Encoded Synthetic Aperture B-Scan Ultrasound Imaging, IEEE International Ultrasonics Symposium 2013

  34. A. Kshirsagar, A. Sampaleanu, R.J. Zemp, Multi-Frequency CMUT Arrays for Imaging-Therapy Applications, IEEE International Ultrasonics Symposium 2013.

  35. A. Kshirsagar, A. Sampaleanu, R.J. Zemp, Pre-Charged CMUTs with Efficient Zero-Bias Voltage Operation for Medical Applications, IEEE International Ultrasonics Symposium 2013.

  36. P. Hajireza, A. Forbrich, R.J. Zemp, Multi-focus Optical Resolution Photoacoustic Microscopy, IEEE International Ultrasonics Symposium 2013.

  37. R.J. Zemp, Full Synthetic Aperture 3D Ultrasound Imaging Schemes with Top Orthogonal to Bottom Electrode (TOBE) 2D CMUT Arrays, IEEE International Ultrasonics Symposium 2013.

  38. R.J. Zemp, 3D Photoacoustic Imaging with Aperture-Encoded Top Othogonal to Bottom Electrode (TOBE) 2D CMUT Arrays, IEEE International Ultrasonics Symposium 2013.

  39. A. Kshirsagar, A. Sampaleanu, R.J. Zemp, Pre-Charged CMUTs with Efficient Zero-Bias Voltage Operation for Medical Applications, MUT Workshop 2013, Side Turkey

  40. A. Sampaleanu, P. Zhang, A. Kshirsagar, R.J. Zemp, Top-Orthogonal-to-Bottom-Electrode (TOBE) 2D CMUT Arrays: Experimental and Theoretical Advances in 3D Imaging Capabilities, MUT Workshop 2013, Side Turkey

  41. Andrew Heinmiller, Minalini Lakshman, Dave Bates, Andrew Needles, Catherine Theodoropoulos, Robert Paproski, Roger J. Zemp, In vivo tyrosinase reporter gene imaging with multispectral photoacoustic technology, American Association for Cancer Research, Annual Meeting, Apr. 6-10, 2013.

  42. R.J. Zemp, Efficient Green’s function and Jacobian matrix calculations for optical tomography problems near boundaries using phase-function-corrected diffusion theory approximations, SPIE Photonics West 2013

  43. R.J. Zemp, Analytic Phase-Function Corrected Diffusion Model for Diffuse Reflectance of an Oblique Pencil Beam Incident on a Semi-Infinite Turbid Medium, SPIE Photonics West 2013

  44. P. Hajireza, K. Krause, M. Brett, R.J. Zemp, All-Optical Ultrasound Detection using Glancing Angle Deposited (GLAD) Nanostructured Films, SPIE Photonics West 2013 (Presentation Only)

  45. T. Harrison, P. Hajireza, R.J. Zemp, Optical- resolution photoacoustic micro-endoscopy with ultrasound array system detection, SPIE Photonics West, 2013

  46. P. Hajireza, A. Forbrich, W. Shi, R.J. Zemp, In-Vivo Multi-Wavelength Optical-Resolution Photoacoustic Microscopy with Stimulated Raman Scattering Fiber-Laser Source, SPIE Photonics West 2013

  47. P. Zhang, R. Chee, A. Sampaleanu, A. Kshirsagar, W. Moussa, and R.J. Zemp, A Comparison Between Sacrificial-Release and Double-SOI Wafer-Bonded CMUTs: Dielectric Charging and Performance Characterization, IEEE International Ultrasonics Symposium, 2012.

  48. A. Sampaleanu, P. Zhang, A. Kshirsagar, W. Moussa, R.J. Zemp, Top-Orthogonal-to-Bottom Electrode (TOBE) 2D Capacitive Micromachined Transducer Arrays: Towards Low-Channel-Count 3D Imaging, IEEE International Ultrasonics Symposium, 2012.

  49. R. Paproski, A. Forbrich, R.J. Zemp, Sonication of perfluorocarbon nanodroplets increases RNA biomarker release from breast cancer cells, IEEE International Ultrasonics Symposium, 2012.

  50. A. Forbrich, T. Harrison, R. Paproski, and R.J. Zemp, Realtime Flash-Difference Ultrasound Imaging of Phase-Change Perfluorocarbon Nanodroplet Activation, IEEE International Ultrasonics Symposium, 2012.

  51. R.J. Zemp, P. Shao, “Iterative Algorithm for Multiple Illumination Photoacoustic Tomography using Transducer Channel Data”, OSA Topical Meeting on Biomedical Optics, Miami, FL, 2012.

  52. R.J. Zemp, W. Shi, P. Shao, P. Hajireza, “Fiber Laser Based Realtime Optical-Resolution Photoacoustic Microscopy and Microendoscopy”, OSA Topical Meeting on Biomedical Optics, Miami, FL, 2012.

  53. P. Shao, P. Hajireza, W. Shi, R.J. Zemp, “Combined Optical-resolution Photoacoustic and Fluorescence Micro-Endoscopy”, SPIE Photonics West, San Francisco, Jan 2012

  54. P. Shao, R. Chee, A. Forbrich, R.J. Zemp, “Mosaicing for Fast Wide-Field-of-View-of-view Optical-resolution Photoacoustic Microscopy”, SPIE Photonics West, San Francisco, Jan 2012

  55. W. Shi, P. Shao, P. Hajireza, A. Forbrich, R.J. Zemp, “Imaging Dynamic Processes Using Fiber Laser Optical-Resolution Photoacoustic Microscopy”, SPIE Photonics West, San Francisco, Jan 2012

  56. P. Hajireza, W. Shi, P. Shao, R.J. Zemp, “In Vivo Imaging with Real-time Fiber-Laser & GRIN-Lens Optical Resolution Photoacoustic Micro-Endoscopy”, SPIE Photonics West, San Francisco, Jan 2012

  57. R. Paproski, R.J. Zemp, “Inducible expression of photoacoustic reporter gene tyrosinase in cells using a single plasmid”, SPIE Photonics West, San Francisco, Jan 2012

  58. Y. Jiang, R.J. Zemp, “In vivo Combined Photoacoustic and Doppler Ultrasound Imaging”, SPIE Photonics West, San Francisco, Jan 2012

  59. T. Harrison, R. Paproski, R.J. Zemp, “In vivo imaging of inducible tyrosinase gene expression with an ultrasound array-based photoacoustic system”, SPIE Photonics West, San Francisco, Jan 2012

  60. P. Hajireza, W. Shi, R.J. Zemp, “Label-Free Real-Time Handheld Optical Resolution Photoacoustic Microscopy”, 2011 IEEE International Ultrasonics Symposium, Orlando, FL. Best Student Paper Award out of ~1000 papers.

  61. P. Zhang, W. Zheng, W. Moussa, R.J. Zemp, “CMUTs with interlaced high- and low-frequency elements for combined imaging and therapy”, 2011 IEEE International Ultrasonics Symposium, Orlando, FL

  62. R.J. Zemp, W. Zheng, P. Zhang, W. Moussa, “Feasibility of 2D CMUT Arrays with Orthogonal Transmit and Receive Strips for Low-Channel-Count 3D Imaging”, 2011 IEEE International Ultrasonics Symposium, Orlando, FL

  63. W. Zheng, P. Zhang, G. Fitzpatrick, W. Moussa, R.J. Zemp, “Empirical Model for Dielectric Charging in Double-SOI-Wafer-Bonded CMUTs: Theory and Experiment”, 2011 IEEE International Ultrasonics Symposium, Orlando, FL

  64. T.J. Harrison, R.J. Zemp, “Applying ultrasound beamformers to photoacoustic imaging”, 2011 IEEE International Ultrasonics Symposium, Orlando, FL

  65. R. Paproski, A. Tessier, K. Wachowicz, R.J. Zemp, “In Vivo Imaging of Tyrosinase Expression with Magnetic Resonance Imaging”, 2011 World Molecular Imaging Congress, San Diego, CA. Selected for walkthrough in best poster competition.

  66. R. Paproski, C. Cass, R.J. Zemp, “Combating Gemcitabine Chemotherapy Resistance with Microbubble- and Ultrasound-Assisted Transfection of DNA Encoding Human Concentrative Nucleoside Transporter 3”, 2011 World Molecular Imaging Congress, San Diego, CA.

  67. Y. Jiang, T. Harrison, A. Forbrich, R.J. Zemp, “Oxygen Consumption Estimation using Combined Photoacoustic and Color Doppler Ultrasound Imaging”, 2011 World Molecular Imaging Congress, San Diego, CA. 1 of 12 best poster awards out of ~1700 papers.

  68. T.J. Harrison, R. Paproski, A. Forbrich, M. Hitt, R.J. Zemp, “Realtime Deep Tissue Photoacoustic Imaging of Tyrosinase Gene Expression with an Ultrasound Array”, 2011 World Molecular Imaging Congress, San Diego, CA.

  69. A. Forbrich, R. Paproski, M. Hitt, R.J. Zemp, “Microbubble Assisted Blood-Biomarker Amplification using Ultrasound”, 2011 World Molecular Imaging Congress, San Diego, CA

  70. P. Hajireza, W. Shi, R.J. Zemp, “Real-time in vivo Micro-Endoscopy Based on Optical Resolution Photoacoustic Microscopy”, 2011 World Molecular Imaging Congress, San Diego, CA. 1 of 6 semifinalists in the Young Investigator Award Competition out of ~1700 papers.

  71. R. Paproski, A. Fobrich, K. Wachowicz, M. Hitt, R.J. Zemp, “Photoacoustic Imaging of Gene Expression using Tyrosinase as a Reporter Gene”, SPIE Photonics West, 2011, Proc. SPIE 78991H. (7pgs)

  72. Y. Jiang, T.J. Harrison, A. Forbrich, and R.J. Zemp, “Oxygen consumption estimation with combined ultrasound color Doppler and photoacoustic bio-microscopy: a phantom study”, SPIE Photonics West, 2011, Proc. SPIE 789942 (6pgs)

  73. Y. Jiang, T.J. Harrison and R.J. Zemp “Photoacoustic and Doppler Ultrasound for Oxygen Consumption Estimation: Implementation on a Clinical Array System”, SPIE Photonics West, 2011, Proc. SPIE 789941 (7pgs)

  74. T. Harrison, R.J. Zemp, “Photoacoustic imaging of brachytherapy seeds using a channel-domain ultrasound array system”, SPIE Photonics West, 2011, Proc. SPIE, 78990H. (7pgs)

  75. P. Shao, B. Cox, and R.J. Zemp, “Multiple-Illumination Photoacoustic Tomography: Reconstructing Absorption, Scattering, and Grueneisen Coefficient Distributions”, SPIE Photonics West, 2011, Proc. SPIE 78993Z. (10pgs)

  76. W. Shi, P. Hajireza, P. Shao, S. Kerr, and R.J. Zemp*, “Realtime Optical-Resolution Photoacoustic Microscopy using Fiber-Laser Technology”, SPIE Photonics West 2011, Proc. SPIE 789939. (6pgs)

  77. P. Hajireza, W. Shi, P. Shao, S. Kerr, and R.J. Zemp*, “Optical-Resolution Photoacoustic Micro-Endoscopy using Image-Guide Fibers and Fiber-Laser Technology”, SPIE Photonics West 2011, Proc. SPIE 78990P. (6pgs)

  78. T. Harrison and R.J. Zemp “Can an Ultrasound Beamformer be used for Photoacoustic Imaging?”, SPIE Photonics West 2011, Proc. SPIE 78993M. (10pgs)

  79. H. Lu, P. Shao, J. Ranasinghesagara, T. DeWolf, T. Harrison, W. Gibson, and R.J. Zemp, “Improved depth-of field photoacoustic microscopy with a custom high-frequency annular array transducer”, SPIE Photonics West 2011. Proc. SPIE, 78993R.

  80. P. Zhang, G. Fitzpatrick, W. Moussa, R.J. Zemp*, “CMUTs with Improved Electrical Safety & Minimal Dielectric Surface Charging”, 2010 IEEE Ultrasonics Symposium, pp. 1881 – 1885.

  81. R.J. Zemp, “Multiple Illumination Photoacoustic Tomography”, Invited Talk, Inverse Transport & Tomography Workshop, Banff International Research Station, Banff, Alberta, May 16-21, 2010.

  82. R.J. Zemp, Multiple Illumination Photoacoustic Tomography”, Optical Society of America Topical Meeting on Biomedical Optics, Miami, Florida, USA, April 2010

  83. Y. Jiang, T. Harrison, J. Ranasinghesagara, R.J. Zemp, Combined photoacoustic and high-frequency power Doppler ultrasound imaging, SPIE Photonics West 2010, Proc. SPIE, 756404 (2010).

  84. J. Ranasinghesagara, R.J. Zemp, Monte Carlo modeling for photoacoustic-based transport-regime optical property estimation, SPIE Photonics West 2010, Proc. SPIE. 75640F (2010)

  85. W. Shi, I. Utkin, J. Ranasinghesagara, L. Pan, Y. Godwal, R.J. Zemp, R. Fedosejevs, High repetition rate passively Q-switched fiber and microchip lasers for optical resolution photoacoustic imaging, SPIE Photonics West 2010, Proc. SPIE 75640X

  86. T. Harrison, H. Lu, J. Ranasinghesagara, R.J. Zemp, Fast-scanning ultrasonic-photoacoustic biomicroscope: in vivo performance, SPIE Photonics West 2010, Proc. SPIE 75641X

  87. J. Ranasinghesagara, R.J. Zemp, Integrated photoacoustic and oblique incidence diffuse reflectance for quantitative optical sensing in turbid media, SPIE Photonics West 2010, Proc. SPIE 756421

  88. J. Ranasinghesagara, R.J. Zemp, A Photoacoustic Technique to Estimate Laser Fluence for Quantitative Molecular Imaging, World Molecular Imaging Congress 2009. Abstract  Published in Molecular Imaging and Biology 2009.

  89. J. Ranasinghesagara, T. Harrison, H. Lu, R.J. Zemp, Dual mode fast scanning ultrasound-photoacoustic system for preclinical molecular imaging, World Molecular Imaging Congress 2009. Abstract Published in Molecular Imaging and Biology 2009.

  90. X. Chen, K. Mathewson, H. Lu, Y. Jiang, R.J. Zemp, ‘A new photoacoustic method for measuring optical scattering coefficients of biological tissue’, 9th Annual Alberta Biomedical Engineering Conference, Banff Alberta, 2008

  91. K. Mathewson, X. Chen, H. Lu, Y. Jiang, A. Walsh, R.J. Zemp, ‘Imaging microvasculature with a fast-scanning combined ultrasound-photoacoustic biomicroscope and real-time display’9th Annual Alberta Biomedical Engineering Conference, Banff Alberta, 2008

  92. R.J. Zemp, J. Ranasinghesagara, Y. Jiang, X. Chen, K. Mathewson, ‘Laminar photoacoustic microscopy for optical scattering measurements’, SPIE Photonics West, 2009

  93. R.J. Zemp, H. Lu, K. Mathewson, J. Ranasinghesagara, X. Chen, Y. Jiang, A. Walsh, ‘A fast-scanning combined ultrasound-photoacoustic biomicroscope with realtime display’, SPIE Photonics West, 2009

  94. R.J. Zemp, L. Song, L.V. Wang, ‘Embracing the era of multicore processors and GPU-computing for realtime ultrasonic and photoacoustic imaging’, IEEE Ultrasonics Symposium, Bejing China, 2008

  95. R.J. Zemp, ‘Photoacoustic measurement of optical-transport Green functions in turbid media using progressive optical-source acoustic focus separations’, IEEE Ultrasonics Symposium, Bejing China, 2008

  96. R.J. Zemp, ‘Probing Microvascular Morphology, Blood Oxygenation, & Gene Expression with In Vivo Functional & Molecular Photoacoustic Imaging: Current Progress and Future Prospects’, Invited Talk at the 2008 World Molecular Imaging Congress in Niece France, 11-13 September 2008.

  97. R.J. Zemp, L. Song, R. Bitton, K.K. Shung, L.V. Wang, ‘Realtime photoacoustic imaging of cardiac and respiratory dynamics in mice’, SPIE Photonics West 2008.

  98. R. R. Bitton, R. Zemp, J. Yen, J. Connata, L. V. Wang, K. K. Shung, “Design of a High Frequency Array Based Photoacoustic Microscopy System for Micro-Vascular Imaging,” Accepted for presentation at Engineering in Medicine and Biology Conference, Lyon, France from 23rd - 26th August, 2007.

  99. R.J. Zemp, K. Maslov, R. Bitton, K.K. Shung, G. Stoica, and L.V. Wang, “Realtime Photoacoustic Microscopy”, SPIE Photonics West, 2007

  100. R.J. Zemp, S. Sakadzic, L.V. Wang, “Laser Speckle Statistics in Ultrasound-Modulated Optical Tomography”, Photonics West, 2007

  101. R. R. Bitton, R. Zemp, M.-L. Li, J. Yen, J. Connata, K. K. Shung, L. V. Wang, “Photoacoustic microscopy with a 30MHz linear array and receive system,” IEEE Ultrasonics Symposium, Vancouver, Canada, October 3-6, 2006.

  102. L.Li, R.J. Zemp, G. Lungu, G. Stoica, L.V. Wang, “Imaging of gene expression in vivo with photoacoustic tomography” Proc. SPIE, Vol. 6086, pp. 608608-1, Photonics West, Conference on Biomedical Optics, San Jose, CA, 2006 (oral presentation).

  103. R.J. Zemp, L.Li, L.V. Wang, “Fundamental considerations for multiwavelength photoacoustic molecular imaging”, Proc. SPIE, Vol. 6086, pp. 60861L-1, Photonics West, Conference on Biomedical Optics, San Jose, CA, 2006 (oral presentation).

  104. C.H. Kim, R.J. Zemp, L.V. Wang, “High SNR ultrasound-modulated optical tomography with intense acoustic bursts”,  Proc. SPIE, Vol. 6086, pp. 608617-1, Photonics West, Conference on Biomedical Optics, San Jose, CA, 2006 (oral presentation).

  105. C. K. Abbey, R. J. Zemp, J. Liu, M.F. Insana, “Observer efficiency in discrimination tasks simulating malignant and benign breast lesions with ultrasound,“ Asilomar Conference on Signals, Systems and Computers, Vol. 1,  pp. 183 – 189, Nov. 2004 (oral presentation).

  106. J. Liu, H. Du, R.J. Zemp, M.F. Insana, “Practical error bounds for ultrasonic strain estimation using coded excitation”, Asilomar Conference on Signals, Systems and Computers, Vol.1, pp. 158 – 162, Nov. 2004 (oral presentation).

  107. R.J. Zemp, M.F. Insana, “Spatial coding with curved wavefronts”, Proc. IEEE Ultrasonics Symposium, pp. 1258-1261, 2004 (oral presentation)

  108. R. Williams, E. Cherin, J. Tavakkoli, R.J. Zemp, F.S. Foster, “Theoretical and experimental high-frequency nonlinear ultrasound propagation through multilayered media,” Proc. IEEE Ultrasonics Symposium, 2004 (poster)

  109. R.J. Zemp, M.F. Insana, “Nearfield lateral coded excitation for ultrasonic imaging,” Ultrasonic Imaging and Tissue Characterization, Arlington, Virginia 2004 (oral presentation). Abstract published in Ultrasonics.

  110. R.J. Zemp, C.K. Abbey, M.F. Insana, “Experimental validation of a Power Doppler performance model”, Proc. IEEE Ultrasonics Symposium, pp. 861-864, Honalulu, Hawaii, Oct. 2003 (presentation)

  111. R.J. Zemp, C.K. Abbey, M.F. Insana, “Generalized NEQ for assessment of ultrasound image quality,” Proc. SPIE, 5030, pp. 391-402, San Diego 2003 (presentation)

  112. C.K. Abbey, R.J. Zemp, M.F. Insana, “Pre-envelope deconvolution for increased lesion detection efficiency in ultrasonic imaging,” Proc. SPIE 5034, San Diego 2003 (presentation)

  113. R.J. Zemp, C.K. Abbey, M.F. Insana, ‘Fundamental performance metrics and optimal processing schemes for ultrasonic imaging’, Proc. IEEE Ultrasonics Symposium, Vol. 2, pp. 1769 - 1772, Munich, Oct. 2002 (poster)

  114. R.J. Zemp, J. Tavakkoli, and R.S.C. Cobbold, ‘Modeling nonlinear ultrasound propagation from array transducers,’ Proc. IEEE Ultrasonics Symposium, Vol. 2, pp. 1741-1744, Munich, Oct. 2002 (poster)

  115. R.J. Zemp, J. Tavakkoli, and R.S.C. Cobbold, 'Developments in tissue harmonic imaging: A new nonlinear propagation model', Proceedings of the Conference of the Canadian Medical and Biological Engineering Society, pp. 32-33, 24-26 June 1999 (presentation)