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Dr. Ratan K. Saha, Assistant Professor
Journal Papers, Conference Papers, Oral Presentations, Poster presentations, Conferences Attended, Talks, Collaborators

Journal Papers

  1. Ratan K Saha, Subhajit Karmakar, Arunabha Adhikari and Michael C. Kolios, Photoacoustic field calculation for nonspherical axisymmetric fluid particles, Biomedical Physics and Engineering Express, 3, 015017, 2017.

  2. Romain de Monchy, Francois Destrempes, Ratan K Saha, Guy Cloutier and Emilie Franceschini, Coherent and incoherent ultrasound backscatter from cell aggregates, The Journal of the Acoustical Society of America, 140(3), 2173-2184, 2016.

  3. Ratan K Saha, A simulation study on the quantitative assessment of tissue microstructure with photoacoustics, IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 62(5), 881-895, 2015.

  4. Subhajit Karmakar, Madhusudan Roy and Ratan K Saha, Photoacoustic imaging of nanoparticle-containing cells using single-element focused transducer: A simulation study, IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 62(3), 463-474, 2015.

  5. Ratan K Saha, Computational modeling of photoacoustic signals from mixtures of melanoma and red blood cells, The Journal of the Acoustical Society of America, 136(4), 2039-2049, 2014.

  6. Ratan K Saha, Madhusudan Roy and Alokmay Datta, Simulation study on the photoacoustics of cells with endocytosed gold nanoparticles, Current Science, 106(11), 1554-1559, 2014.

  7. Ratan K Saha, Subhajit Karmakar and Madhusudan Roy, Photoacoustic examination of red blood cell suspensions, Journal of Pure and Applied Ultrasonics, 35(4), 125-128, 2013.

  8. Emilie Franceschini, Ratan K Saha and Guy Cloutier, Comparison of three scattering models for ultrasound blood characterization, IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 60(11), 2321-2334, 2013.

  9. Ratan K Saha, Subhajit Karmakar and Madhusudan Roy, Photoacoustic response of suspended and hemolyzed red blood cells, Applied Physics Letters, 103(4), 044101, 1-4, 2013.

  10. Ratan K Saha, Subhajit Karmakar and Madhusudan Roy, Assessment of blood oxygen saturation using photoacoustic technique, Journal of Optics, 42(2), 141-147, 2013.

  11. Ratan K Saha, Subhajit Karmakar and Madhusudan Roy, Computational investigation on the photoacoustics of malaria infected red blood cells, PLoS ONE, 7(12), e51774, 1-9, 2012.
    [Featured in Global Medical Discovery Series, ISSN 1929-8536]

  12. Eno Hysi, Ratan K Saha and Michael C Kolios, Photoacoustic ultrasound spectroscopy for assessing red blood cell aggregation and oxygenation, Journal of Biomedical Optics, 17(12), 125006, 1-10, 2012.

  13. Eno Hysi, Ratan K Saha and Michael C Kolios, On the use of photoacoustics to detect red blood cell aggregation, Biomedical Optics Express, 3(9), 2326-2338, 2012.

  14. Ratan K Saha, Subhajit Karmakar, Eno Hysi, Madhusudan Roy and Michael C Kolios, Validity of a theoretical model to examine blood oxygenation dependent optoacoustics, Journal of Biomedical Optics, 17(5), 055002, 1-10, 2012.

  15. Ratan K Saha and Michael C Kolios, Effects of erythrocyte oxygenation on optoacoustic signals, Journal of Biomedical Optics, 16(11), 115003, 1-9, 2011.

  16. Ratan K Saha and Michael C Kolios, Effects of cell spatial organization and size distribution on ultrasound backscattering, IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 58(10), 2118-2131, 2011.

  17. Ratan K Saha and Michael C Kolios, A simulation study on photoacoustic signals from red blood cells, The Journal of the Acoustical Society of America, 129(5), 2935-2943, 2011.
    [Selected for the May 15, 2011 issue of Virtual Journal of Biological Physics Research.]

  18. Ratan K Saha, Emilie Franceschini and Guy Cloutier, Assessment of accuracy of the structure-factor-size-estimator method in determining red blood cell aggregate size from ultrasound spectral backscatter coefficient, The Journal of the Acoustical Society of America, 129(4), 2269-2277, 2011.

  19. Roxana M Vlad, Ratan K Saha, Nehad M Alajez, Shawn Ranieri, Greogory J Czarnota and Michael C Kolios, An increase in cellular size variance contributes to the increase in ultrasound backscatter during cell death, Ultrasound in Medicine and Biology, 36(9), 1546-1558, 2010.

  20. Ratan K Saha, Subodh K Sharma and Michael C Kolios, Single cell size estimation from backscattered spectrum by using some weak acoustic scattering approximations, Canadian Acoustics, 38(2), 31-34, 2010.

  21. Subodh K Sharma and Ratan K Saha, A new approximate formula for scattering of plane acoustic waves by a spherical obstacle, Acta Acustica, 95, 1-6, 2009.

  22. Ratan K Saha and Guy Cloutier, Monte Carlo study on ultrasound backscattering by three-dimensional distributions of red blood cells, Physical Review E, 78, 061919, 1-9, 2008.

  23. Ratan K Saha and Subodh K Sharma, Determination of accuracy of particle size by acoustic scattering using a modified Born approximation, Indian Journal of Pure and Applied Physics, 46, 761-770, 2008.

  24. Anik K Chakravorty, Subhasree Mukherjee, Kuntal Ghosh, Ratan K Saha, Madhusudan Roy and Suparna Mazumdar, Image classification based on textural analysis of ultrasound images of normal human liver, Journal of Pure and Applied Ultrasonics, 28, 105-113, 2006.

  25. Ratan K Saha, Manas K Roy, Subhajit Karmakar, Saibal Saha and Swapan K Sen, Development of an experimental arrangement for precise measurement of angular distribution of ultrasound scattering, Indian Journal of Pure and Applied Physics, 44, 661-669, 2006.

  26. Ratan K Saha, Swapan K Sen, Subodh K Sharma and Binayak Dutta-Roy, Improved Born approximations for acoustic wave back scattering in tissue medium, Journal of Pure and Applied Ultrasonics, 27, 110-118, 2005.

  27. Ratan K Saha and Subodh K Sharma, Validity of a modified Born approximation for a pulsed plane wave in acoustic scattering problems, Physics in Medicine and Biology, 50(12), 2823-2836, 2005.

  28. Ratan K Saha, Swapan K Sen, Subodh K Sharma and Binayak Dutta-Roy, Comments on ‘Free of speckle ultrasonic imaging of soft tissue with account of second harmonic signal’, Physics in Medicine and Biology, 49(15), L11-L13, 2004.

  29. Subodh K Sharma and Ratan K Saha, On the validity of some new acoustic scattering approximations, Waves in Random Media, 14(4), 525-537, 2004.

Conference Proceedings

  1. Ratan K Saha, Muhannad N. Fadhel, Aamna Lawrence, Subhajit Karmakar, Arunava Adhikari and Michael C Kolios, Rapid computation of photoacoustic fields from normal and pathological red blood cells using a Greens function method, Proceedings of the SPIE, 10064, 100644U-1-8, 2017. [DOI: 10.1117/12.2253555, Photons Plus Ultrasound: Imaging and Sensing 2015, SPIE BiOS.]

  2. Romain de Monchy, Francois Destrempes, Ratan K Saha, Guy Cloutier and Emilie Franceschini, Coherent and incoherent ultrasound backscatter from cells in aggregated conformation, Proceedings of the 2016 IEEE International Ultrasonics Symposium, 2016. [10.1109/ULTSYM.2016.7728605]

  3. Subhajit Karmakar, Eno Hysi, Michael C Kolios and Ratan K Saha, Realistic photoacoustic image simulations of collections of solid spheres using linear array transducer, Proceedings of the SPIE, 9323, 932339-1-8, 2015. [DOI: 10.1117/12.2080794, Photons Plus Ultrasound: Imaging and Sensing 2015, SPIE BiOS.]

  4. Subhajit Karmakar and Ratan K Saha, Photoacoustic image simulation of ensemble of light absorbing cells using linear array transducer, Proceedings of the International Symposium on Ultrasonics, International Journal of Science and Research, 326-330, 2015. [ISSN (Online): 2319-7064]

  5. Ratan K Saha, Subhajit Karmakar and Madhusudan Roy, Probing confined and unconfined hemoglobin molecules with photoacoustics, Proceedings of the SPIE, 8943, 89434L-1-6, 2014. [DOI: 10.1117/12.2040403, Photons Plus Ultrasound: Imaging and Sensing 2014, SPIE BiOS.]

  6. Subhajit Karmakar, Ratan K Saha and Madhusudan Roy, Estimation of hematocrit using photoacoustic technique, Proceedings of the DAE BRNS 21st National Laser Symposium, 2013.

  7. Eno Hysi, Ratan K Saha and Michael C Kolios, Photoacoustic Assessment of Oxygen Saturation: Effect of Red Blood Cell Aggregation, Proceedings of the SPIE, 8581, 85813T-1-7, 2013. [DOI: 10.1117/12.2004960, Photons Plus Ultrasound: Imaging and Sensing 2013, SPIE BiOS.]

  8. Ratan K Saha, Subhajit Karmakar and Madhusudan Roy, A Monte Carlo study on intraerythrocytic staging of malaria parasite using photoacoustics, Proceedings of the 2012 IEEE International Ultrasonics Symposium, 2328-2331, 2012. [DOI: 10.1109/ULTSYM.2012.0582]

  9. Eno Hysi, Ratan K Saha and Michael C Kolios, Simultaneous photoacoustic detection of red blood cell aggregation and oxygen saturation, Proceedings of the 2012 IEEE International Ultrasonics Symposium, 1398-1401, 2012. [DOI: 10.1109/ULTSYM.2012.0349]

  10. Eno Hysi, Ratan K Saha and Michael C Kolios, On the potential of using photoacoustic spectroscopy for monitoring red blood cell aggregation, Proceedings of the SPIE, 8222, 82220Q-1-10, 2012. [DOI: 10.1117/12.928257, Dynamics and Fluctuations in Biomedical Photonics IX, SPIE BiOS.]

  11. Eno Hysi, Ratan K Saha, Min Rui and Michael C Kolios, Detection and characterization of red blood cell (RBC) aggregation with photoacoustics, Proceedings of the SPIE, 8223, 82233E-1-10, 2012. [DOI: 10.1117/12.908685, Photons Plus Ultrasound: Imaging and Sensing 2012, SPIE BiOS.]

  12. Ratan K Saha , Subhajit Karmakar and Madhusudan Roy, Photoacoustic Assessment of Blood Oxygen Saturation, proceedings of the Second International Conference on Trends in Optics and Photonics, A. Ghosh and D. Choudhury (Eds.), 426-431, 2011. [ISBN: 978-81-908188-1-0]

  13. Eno Hysi, Ratan K Saha and Michael C Kolios, Characterization of red blood cell aggregation with photoacoustics: A theoretical and experimental study, Proceedings of the 2011 IEEE International Ultrasonics Symposium, 1187-1190, 2011. [DOI: 10.1109/ULTSYM.2011.0292]

  14. Ratan K Saha and Michael C Kolios, A Monte Carlo study on the effects of erythrocyte oxygenation on photoacoustic signals, Proceedings of the 2011 IEEE International Ultrasonics Symposium, 2372-2375, 2011. [DOI: 10.1109/ULTSYM.2011.0589]

  15. Ratan K Saha and Michael C Kolios, A simulation study on ultrasound backscattering by cell aggregates with poly-disperse cells, Proceedings of the 2010 IEEE International Ultrasonics Symposium, 2307-2310, 2010. [DOI: 10.1109/ULTSYM.2010.0582]

  16. Ratan K Saha and Guy Cloutier, Ultrasound backscattering by three dimensional distributions of aggregated red blood cells: A Monte Carlo study, Proceedings of the 2008 IEEE International Ultrasonics Symposium, 1971-1974, 2008. [DOI: 10.1109/ULTSYM.2008.0486]

  17. Subhajit Karmakar, Kuntal Ghosh, Ratan K Saha, Sandip Sarkar and Swapan K Sen, A new design of low pass filter by Gaussian derivative family, Intelligent Sensing and Information Processing, 177-182, 2005. [ISBN: 0-7803-9588-3]

  18. Ratan K Saha, Subhajit Karmakar, Saibal Saha, Manas K Roy, Sandip Sarkar and Swapan K Sen, Application of phased array radar theory to ultrasonic linear array medical imaging system, Proceedings of the International Radar Symposium India, 2003.

Oral Presentations at conference, symposium, workshops

  1. Ratan K Saha, Greens function approach for computation of photoacoustic fields from different nonspherical axisymmetric particles, 21st National Symposium on Ultrasonics, SN Bose National Centre for Basic Sciences, Kolkata, India, Nov. 8-10, 2016.

  2. Ratan K Saha, Significance of shape in single-particle photoacoustic emission, Indigo (India-EU) Policy Lab Linking Program Workshop on Optical and Ultrasound Imaging, IISc Bangalore, Bangalore, Sept. 22-23, 2016.

  3. Romain de Monchy, François Destrempes, Ratan K Saha, Emilie Franceschini and Guy Cloutier, Effective medium model for ultrasound backscattering from aggregating red blood cells, International Congress on Ultrasonics, Metz, France, May 11-14, 2015. (Presented by R De Monchy).

  4. Subhajit Karmakar and Ratan K Saha, Photoacoustic image simulation of ensemble of light absorbing cells using linear array transducer, International Symposium on Ultrasonics, Department of Physics, Rashtrasant Tukadoji Maharaj Nagpur University, Nagpur, Jan. 22-24, 2015.

  5. Romain De Monchy, François Destrempes, Ratan K Saha, Emilie Franceschini and Guy Cloutier, Effective medium theory for ultrasound blood characterization, 9th International Conference on Ultrasonic Biomedical Microscanning, Eddleston, Scotland, Sept. 28-Oct. 1, 2014. (Presented by R De Monchy)

  6. Ratan K Saha, Subhajit Karmakar and Madhusudan Roy, On the red blood cell concentration dependent photoacoustics, 19th National Symposium on Ultrasonics, National Physical Laboratory, New Delhi, India, Oct. 30-31, 2012. [Best paper award]

  7. Ali Traore-Dubuis, Emilie Franceschini, Ratan K Saha, Julien Tripette, Boris Chayer and Guy Cloutier, Validation of the effective medium theory combined with the structure factor model (EMTSFM) for RBC aggregation characterization: A 3D simulation study, 8th International Conference on Ultrasonic Biomedical Microscanning, St-Paulin, Quebec, Canada, Sept. 24-27, 2012. (Presented by A Traore-Dubuis)

  8. Eno Hysi, Ratan K Saha and Michael C Kolios, On the potential of using photoacoustic spectroscopy for monitoring red blood cell aggregation, Photons Plus Ultrasound: Imaging and Sensing 2012, San Francisco, USA, Jan. 21-26, 2012 (SPIE BiOS). (Presented by M C Kolios)

  9. Ratan K Saha Subhajit Karmakar and Madhusudan Roy, Photoacoustic Assessment of Blood Oxygen Saturation, Second International Conference on Trends in Optics and Photonics, Kolkata, India, Dec. 7-9, 2011.
  10. Eno Hysi, Ratan K Saha and Michael C Kolios, Characterization of red blood cell aggregation with photoacoustics: A theoretical and experimental study, IEEE International Ultrasonics Symposium, Orlando, USA, Oct. 18-21, 2011. (Presented by E Hysi)

  11. Ratan K Saha, Eno Hysi and Michael C Kolios, A simulation study on photoacoustic signals from nonaggregating and aggregating erythrocytes, 36th International Symposium on Ultrasonic Imaging and Tissue Characterization, Arlington, USA, June 13-15, 2011. (Abstract available at: Ultrasonic Imaging, 33(4), 29-30, 2011.) (Presented by E Hysi)

  12. Ratan K Saha and Michael C Kolios, A Monte Carlo study on the effects of erythrocyte oxygenation on photoacoustic signals, Ontario Biomedical Photoacoustics Workshop, Sunnybrook Health Sciences Centre, Toronto, Canada, June 8, 2011.

  13. Ratan K Saha and Michael C Kolios, A simulation study on spatial-distribution-dependent ultrasound backscattering of cell aggregates, 35th International Symposium on Ultrasonic Imaging and Tissue Characterization, Arlington, USA, May 17-19, 2010. (Abstract available at: Ultrasonic Imaging, 31, pp-270, 2009.)

  14. Ratan K Saha, Manas K Roy, Subhajit Karmakar, Saibal Saha and Swapan K Sen, Development of an experimental arrangement for precise measurement of angular distribution of ultrasound scattering, 14th National Symposium on Ultrasonics, National Physical Laboratory, New Delhi, India, Feb. 16–18, 2006.

  15. Ratan K Saha, Swapan K Sen and Subodh K Sharma, Scattering of plane acoustic waves by tissue inhomogeneities, Workshop on Fluid Dynamics, Indian Association for the Cultivation of Sciences, Kolkata, India, Dec. 16–19, 2005.

  16. Ratan K Saha, Subhajit Karmakar, Manas K Roy, Kuntal Ghosh, Sandip Sarkar and Swapan K Sen, Simulation of Spatial Impulse Response for Some Theoretical Apodization Functions, 13th National Symposium on Ultrasonics, Bundelkhand, India, Dec. 21–23, 2004.

  17. Ratan K Saha, Swapan K Sen, Subodh K Sharma and Binayak Dutta-Roy, Improved Born Approximations for Acoustic Wave Back Scattering in Tissue Medium, 12th National Symposium on Ultrasonics, Amritswar, India, Nov. 3–5, 2003.

Poster Presentations at conference, symposium, workshops

  1. Ratan K Saha, Muhannad N. Fadhel, Aamna Lawrence, Subhajit Karmakar, Arunava Adhikari and Michael C Kolios, Rapid computation of photoacoustic fields from normal and pathological red blood cells using a Greens function method, Photons Plus Ultrasound: Imaging and Sensing 2017, SPIE BiOS, San Francisco, USA, Jan. 28 - Feb. 2, 2017.

  2. Divakar Badal, Subhajit Karmakar and Ratan K Saha, Preliminary study on optoacoustic tomography using discrete particle approach, Indigo (India-EU) Policy Lab Linking Program Workshop on Optical and Ultrasound Imaging, IISc Bangalore, Bangalore, Sept. 22-23, 2016. [Presented by D Badal.]

  3. Romain de Monchy, Francois Destrempes, Ratan K Saha, Guy Cloutier and Emilie Franceschini, Coherent and incoherent ultrasound backscatter from cells in aggregated conformation, IEEE International Ultrasonics Symposium, Tours, France, Sept. 18-21, 2016. [Presented by R de Monchy.]

  4. Subhajit Karmakar, Eno Hysi, Michael C Kolios and Ratan K Saha, Realistic photoacoustic image simulations of collections of solid spheres using linear array transducer, Photons Plus Ultrasound: Imaging and Sensing 2015, SPIE BiOS, San Francisco, USA, Feb. 7-12, 2015. (Presented by E Hysi.)

  5. Ratan K Saha, Subhajit Karmakar and Madhusudan Roy, Probing confined and unconfined hemoglobin molecules with photoacoustics, Photons Plus Ultrasound: Imaging and Sensing 2014, SPIE BiOS, San Francisco, USA, Feb. 1-6, 2014.

  6. Subhajit Karmakar, Ratan K Saha and Madhusudan Roy, Estimation of hematocrit using photoacoustic technique, DAE BRNS 21st National Laser Symposium, BARC, Mumbai, India, Feb. 6-9, 2013.

  7. Eno Hysi, Ratan K Saha and Michael C Kolios, Photoacoustic Assessment of Oxygen Saturation: Effect of Red Blood Cell Aggregation, Photons Plus Ultrasound: Imaging and Sensing 2013, SPIE BiOS, San Francisco, USA, Feb. 2-7, 2013. (Presented by M C Kolios.)

  8. Eno Hysi, Ratan K Saha and Michael C Kolios, Simultaneous photoacoustic detection of red blood cell aggregation and oxygen saturation, IEEE International Ultrasonics Symposium Dresden, Germany, Oct. 7-10, 2012.

  9. Ratan K Saha, Subhajit Karmakar and Madhusudan Roy, A Monte Carlo study on intraerythrocytic staging of malaria parasite using photoacoustics, IEEE International Ultrasonics Symposium, Dresden, Germany, Oct. 7-10, 2012.

  10. Eno Hysi, Ratan K Saha, Min Rui and Michael C Kolios, Detection and characterization of red blood cell (RBC) aggregation with photoacoustics, Photons Plus Ultrasound: Imaging and Sensing 2012, SPIE BiOS, San Francisco, USA, Jan. 21-26, 2012. (Presented by E Hysi.)

  11. Eno Hysi, Ratan K Saha and Michael C Kolios, Photoacoustic spectral analysis for detecting red blood cell aggregation, Canadian Institutes of Health Research Symposium on Novel Cancer Therapies and Innovations in Treatment Monitoring, Toronto, Canada, Nov. 14-15, 2011. (Presented by E Hysi)

  12. Ratan K Saha and Michael C Kolios, A Monte Carlo study on the effects of erythrocyte oxygenation on photoacoustic signals, IEEE International Ultrasonics Symposium, Orlando, USA, Oct. 18-21, 2011. (Presented by M C Kolios)

  13. Ratan K Saha and Michael C Kolios, A simulation study on ultrasound backscattering by cell aggregates with poly-disperse cells, IEEE International Ultrasonics Symposium, San Diego, USA, Oct. 11-14, 2010.

  14. Ratan K Saha and Guy Cloutier, Ultrasound backscattering by three dimensional distributions of aggregated red blood cells: A Monte Carlo study, IEEE International Ultrasonics Symposium, Beijing, China, Nov. 2-5, 2008. (Presented by G Cloutier)

  15. Ratan K Saha and Guy Cloutier, Simulation of ultrasound backscattering by three dimensional distributions of aggregated red blood cells, 13th International Congress of Biorheology and 6th International Conference on Clinical Hemorheology, State College, Pennsylvania, USA, July 9-13, 2008. (Presented by G Cloutier.)

  16. Swapan K Sen, Ratan K Saha, Subhajit Karmakar and Manas K Roy, Measurement of Transmit Beam Profile and an Optimized Methodology for Acoustic Beam Axis Determination, IEEE Nuclear Science Symposium and Medical Imaging Conference, Rome, Italy, Oct. 19–22, 2004.

  17. Ratan K Saha, Subhajit Karmakar, Saibal Saha, Manas K Roy, Sandip Sarkar and Swapan K Sen, Application of Phased Array Radar Theory to Ultrasonic Linear Array Medical Imaging System, International Radar Symposium India, Bangalore, India, Dec. 2–5, 2003.

Conference/Symposium/Workshop/School/Short-course attended

  1. Advances in Tunable Lasers, Organized by Indian Laser Association during DAE BRNS 21st National Laser Symposium, BARC, Mumbai, India, Feb. 4-5, 2013. (Instructors: Dr. RC Bapana and Dr. AK Ray, Laser and Plasma Technology Division, BARC, India.)

  2. Photoacoustic Imaging and Sensing, IEEE International Ultrasonics Symposium, Dresden, Germany, Oct. 7-10, 2012. (Instructors: Stanislav Emelianov, University of Texas at Austin, and Richard Bouchard, University of Texas MD Anderson Cancer Center, USA.)

  3. Photoacoustic Imaging and Sensing, IEEE International Ultrasonics Symposium, San Diego, USA, Oct. 11-14, 2010. (Instructor: Stanislav Emelianov, University of Texas at Austin, USA.)

  4. Ultrasound for Cancer Therapy Symposium, Sunnybrook Health Sciences Centre, Toronto, Canada, July 7, 2010.

  5. Ontario Photoacoustics Workshop, Sunnybrook Health Sciences Centre, Toronto, Canada, June 2, 2010.

  6. The 2009 annual conference of the Canadian Acoustical Association, Niagra-on-the-Lake, Canada, Oct. 14-16, 2009.

  7. One-day Seminar on Trends in Medical Imaging and Image Processing, Saha Institute of Nuclear Physics, Kolkata, India, Nov. 29, 2002.

Talks Delivered

  1. Forward and inverse problems in biomedical photoacoustics, Riverside Research Institute, Jan. 27, New York, 2017.

  2. Photoacoustics: A new imaging and tissue characterization modality, North Eastern Hill University, Shillong, April 25, 2014.

  3. Studies on biomedical photoacoustics: Theory, experiment and scope of future instrumentation, Indian Institute of Science, Bangalore, Nov. 21, 2013.

  4. Towards tissue characterization with light and sound, Indian Institute of Technology Bhubaneswar, Bhubaneswar, Oct. 25, 2013.

  5. On the phtoacoustic characterization of blood, Tata Institute of Fundamental Research, Mumbai, India, Aug. 7, 2012.

  6. Blood tissue characterization using photoacoustics, West Bengal State University, Barasat, West Bengal, India, Nov. 14, 2011 (invited).

  7. Some studies on ultrasonic and photoacoustic tissue characterizations, Bose Institute, Kolkata, India, Dec. 7, 2010.

  8. Monte Carlo study on ultrasound backscattering by three-dimensional distributions of red blood cells, Ryerson University, Toronto, Canada, June 26, 2009.

  9. Monte Carlo study on ultrasound backscattering by three-dimensional distributions of red blood cells, Saha Institute of Nuclear Physics, Kolkata, India, Jan. 13, 2009.

  10. Monte Carlo study on ultrasound backscattering by three-dimensional distributions of red blood cells, Division of Medical Physics, Thomas Jefferson University, Philadelphia, USA, Dec. 2, 2008.

  11. Some studies on approximate methods in acoustic scattering problems, Laboratory of Biorheology and Medical Ultrasonics, University of Montreal Hospital Research Centre, Montreal, Canada, Feb. 6, 2007.

  12. Progress of 10th Five Year Plan Project (MEDIP), Saha Institute of Nuclear Physics, Kolkata, India, April 28, 2005.

Collaborators

  1. Dr. Subhajit Karmakar University Science Instrumentation Centre The University of Burdwan Golapbag, Burdwan, 713 104, India.

  2. Dr. Madhusudan Roy Surface Physics and Material Science Division Saha Institute of Nuclear Physics 1/AF Bidhannagar, Kolkata 700 064, India.

  3. Dr. Emilie Franceschini Laboratoire de Mécanique et d’Acoustique LMA-CNRS UPR 7051 Aix-Marseille University, Centrale Marseille F-13402 Marseille Cedex 20, France.

  4. Dr. Michael C Kolios Department of Physics Ryerson University 350 Victoria Street, Toronto, Ontario, M5B 2K3, Canada.

  5. Dr. Guy Cloutier LBMU, CRCHUM University of Montreal Pavilion J A de Seve (Room Y-1619) 2099 Alexandre de Seve, Montreal, Quebec, H2L 2W5, Canada.