Srirang Manohar

Summary

Affiliation: University of Twente
Country: The Netherlands

Publications

  1. ncbi request reprint Photoacoustic mammography laboratory prototype: imaging of breast tissue phantoms
    Srirang Manohar
    University of Twente, Biophysical Engineering Group, Faculty of Science and Technology, P B 217, 7500AE Enschede, The Netherlands
    J Biomed Opt 9:1172-81. 2004
  2. ncbi request reprint The Twente Photoacoustic Mammoscope: system overview and performance
    Srirang Manohar
    Biophysical Engineering Group, Faculty of Science and Technology, University of Twente, PO Box 217, 7500AE Enschede, The Netherlands
    Phys Med Biol 50:2543-57. 2005
  3. doi request reprint Light interactions with gold nanorods and cells: implications for photothermal nanotherapeutics
    Constantin Ungureanu
    Biomedical Photonic Imaging Group, MIRA Institute for Biomedical Technology and Technical Medicine, Faculty of Science and Technology, University of Twente, P O Box 217, 7500 AE Enschede, The Netherlands
    Nano Lett 11:1887-94. 2011
  4. doi request reprint Poly(vinyl alcohol) gels as photoacoustic breast phantoms revisited
    Wenfeng Xia
    University of Twente, Biomedical Photonic Imaging Group, MIRA Institute for Biomedical Technology and Technical Medicine, P O Box 217, 7500AE Enschede, The Netherlands
    J Biomed Opt 16:075002. 2011
  5. doi request reprint Passive element enriched photoacoustic computed tomography (PER PACT) for simultaneous imaging of acoustic propagation properties and light absorption
    Jithin Jose
    Biomedical Photonic Imaging Group, MIRA Institute for Biomedical Technology and Technical Medicine, University of Twente, PO Box 217, 7500 AE Enschede, Netherlands
    Opt Express 19:2093-104. 2011
  6. doi request reprint Multiple passive element enriched photoacoustic computed tomography
    Steffen Resink
    Biomedical Photonic Imaging Group, MIRA Institute, Faculty of Science and Technology, University of Twente, PB 217, 7500AE, Enschede, The Netherlands
    Opt Lett 36:2809-11. 2011
  7. ncbi request reprint Poly(vinyl alcohol) gels for use as tissue phantoms in photoacoustic mammography
    Alexei Kharine
    Biophysical Techniques Group, Faculty of Applied Physics, University of Twente, PO Box 217, 7500AE Enschede, The Netherlands
    Phys Med Biol 48:357-70. 2003
  8. doi request reprint Evaluation of superparamagnetic iron oxide nanoparticles (EndoremĀ®) as a photoacoustic contrast agent for intra-operative nodal staging
    Diederik J Grootendorst
    Biomedical Photonic Imaging Group, MIRA Institute, University of Twente, AE, Enschede, The Netherlands
    Contrast Media Mol Imaging 8:83-91. 2013
  9. doi request reprint An optimized ultrasound detector for photoacoustic breast tomography
    Wenfeng Xia
    Biomedical Photonic Imaging Group, MIRA Institute for Biomedical Technology and Technical Medicine, University of Twente, Enschede, The Netherlands
    Med Phys 40:032901. 2013
  10. doi request reprint Intra-operative ex vivo photoacoustic nodal staging in a rat model using a clinical superparamagnetic iron oxide nanoparticle dispersion
    Diederik J Grootendorst
    Biomedical Photonic Imaging Group, MIRA Institute for Biomedical Technology and Technical Medicine, Faculty of Science and Technology, University of Twente, The Netherlands
    J Biophotonics 6:493-504. 2013

Collaborators

Detail Information

Publications19

  1. ncbi request reprint Photoacoustic mammography laboratory prototype: imaging of breast tissue phantoms
    Srirang Manohar
    University of Twente, Biophysical Engineering Group, Faculty of Science and Technology, P B 217, 7500AE Enschede, The Netherlands
    J Biomed Opt 9:1172-81. 2004
    ..The results of these studies provide an insight into the capabilities of the prototype. Various recommendations that will guide the evolving of our laboratory prototype into a clinical version are also discussed...
  2. ncbi request reprint The Twente Photoacoustic Mammoscope: system overview and performance
    Srirang Manohar
    Biophysical Engineering Group, Faculty of Science and Technology, University of Twente, PO Box 217, 7500AE Enschede, The Netherlands
    Phys Med Biol 50:2543-57. 2005
    ..Details of the patient-instrument interface are provided. Finally some imaging results on well-characterized breast tissue phantoms with embedded tumour simulating inserts are shown...
  3. doi request reprint Light interactions with gold nanorods and cells: implications for photothermal nanotherapeutics
    Constantin Ungureanu
    Biomedical Photonic Imaging Group, MIRA Institute for Biomedical Technology and Technical Medicine, Faculty of Science and Technology, University of Twente, P O Box 217, 7500 AE Enschede, The Netherlands
    Nano Lett 11:1887-94. 2011
    ..Both effects create sufficiently high optical absorption at 532 nm, which otherwise would have been present at the LP peak. We discuss implications of these finding on the application of these particles in biomedicine...
  4. doi request reprint Poly(vinyl alcohol) gels as photoacoustic breast phantoms revisited
    Wenfeng Xia
    University of Twente, Biomedical Photonic Imaging Group, MIRA Institute for Biomedical Technology and Technical Medicine, P O Box 217, 7500AE Enschede, The Netherlands
    J Biomed Opt 16:075002. 2011
    ..We conclude that large PVA samples prepared using the standard recipe make excellent breast tissue phantoms...
  5. doi request reprint Passive element enriched photoacoustic computed tomography (PER PACT) for simultaneous imaging of acoustic propagation properties and light absorption
    Jithin Jose
    Biomedical Photonic Imaging Group, MIRA Institute for Biomedical Technology and Technical Medicine, University of Twente, PO Box 217, 7500 AE Enschede, Netherlands
    Opt Express 19:2093-104. 2011
    ..We validate the method on specially designed phantoms and biological specimens. The obtained images are quantitative in terms of the shape, size, location, and acoustic properties of the examined heterogeneities...
  6. doi request reprint Multiple passive element enriched photoacoustic computed tomography
    Steffen Resink
    Biomedical Photonic Imaging Group, MIRA Institute, Faculty of Science and Technology, University of Twente, PB 217, 7500AE, Enschede, The Netherlands
    Opt Lett 36:2809-11. 2011
    ..The approach brings the concept of hybrid imaging of ultrasound transmission parameters together with photoacoustic imaging, into the realm of practical application...
  7. ncbi request reprint Poly(vinyl alcohol) gels for use as tissue phantoms in photoacoustic mammography
    Alexei Kharine
    Biophysical Techniques Group, Faculty of Applied Physics, University of Twente, PO Box 217, 7500AE Enschede, The Netherlands
    Phys Med Biol 48:357-70. 2003
    ..A breast phantom embedded with such 'tumours' was developed for studying the applicability of photoacoustics in mammography...
  8. doi request reprint Evaluation of superparamagnetic iron oxide nanoparticles (EndoremĀ®) as a photoacoustic contrast agent for intra-operative nodal staging
    Diederik J Grootendorst
    Biomedical Photonic Imaging Group, MIRA Institute, University of Twente, AE, Enschede, The Netherlands
    Contrast Media Mol Imaging 8:83-91. 2013
    ..This opens up possibilities for intra-operative nodal staging for patients undergoing nodal resections for metastatic malignancies...
  9. doi request reprint An optimized ultrasound detector for photoacoustic breast tomography
    Wenfeng Xia
    Biomedical Photonic Imaging Group, MIRA Institute for Biomedical Technology and Technical Medicine, University of Twente, Enschede, The Netherlands
    Med Phys 40:032901. 2013
    ..In this study, we design and evaluate a specialized ultrasound detector for photoacoustic mammography...
  10. doi request reprint Intra-operative ex vivo photoacoustic nodal staging in a rat model using a clinical superparamagnetic iron oxide nanoparticle dispersion
    Diederik J Grootendorst
    Biomedical Photonic Imaging Group, MIRA Institute for Biomedical Technology and Technical Medicine, Faculty of Science and Technology, University of Twente, The Netherlands
    J Biophotonics 6:493-504. 2013
    ..The results show that a PA based imaging technique may be valuable for nodal staging in the field of surgical oncology...
  11. doi request reprint Speed-of-sound compensated photoacoustic tomography for accurate imaging
    Jithin Jose
    University of Twente, AE Enschede, The Netherlands
    Med Phys 39:7262-71. 2012
    ....
  12. doi request reprint Gold nanorods as molecular contrast agents in photoacoustic imaging: the promises and the caveats
    Srirang Manohar
    Biomedical Photonic Imaging Group, MIRA Institute for Biomedical Technology and Technical Medicine, University of Twente, Enschede, The Netherlands
    Contrast Media Mol Imaging 6:389-400. 2011
    ....
  13. doi request reprint Differential pathlength spectroscopy for the quantitation of optical properties of gold nanoparticles
    Constantin Ungureanu
    Biomedical Photonic Imaging Group, MIRA Institute for Biomedical Technology and Technical Medicine, Faculty of Science and Technology, University of Twente, P O Box 217, 7500 AE Enschede, The Netherlands
    ACS Nano 4:4081-9. 2010
    ..We also briefly touch upon the dilemma of the choice of the appropriate dielectric function for gold at the nanoscale...
  14. pmc Synthesis and bioconjugation of gold nanoparticles as potential molecular probes for light-based imaging techniques
    Raja Gopal Rayavarapu
    Biophysical Engineering Group, Institute for Biomedical Technology BMTI, Faculty of Science and Technology, University of Twente, P O Box 217, 7500 AE Enschede, The Netherlands
    Int J Biomed Imaging 2007:29817. 2007
    ..Some proposed applications of these potential molecular probes in the field of biomedical imaging are also discussed...
  15. doi request reprint Imaging of tumor vasculature using Twente photoacoustic systems
    Jithin Jose
    MIRA Institute for Biomedical Technology and Technical Medicine, Biophysical Engineering Group, Faculty of Science and Technology, University of Twente, P O Box 217, 7500AE Enschede, The Netherlands
    J Biophotonics 2:701-17. 2009
    ..Further, we present clinical results using a photoacoustic mammoscope of breast cancer imaging based on angiogenesis-driven optical absorption contrast...
  16. doi request reprint In vitro toxicity studies of polymer-coated gold nanorods
    Raja G Rayavarapu
    Biomedical Photonic Imaging Group, MIRA Institute for Biomedical Technology and Technical Medicine, Faculty of Science and Technology, University of Twente, Enschede, The Netherlands
    Nanotechnology 21:145101. 2010
    ..In the case of the PSS particles, toxicity correlated with surface area across the two sizes of nanorods studied...
  17. doi request reprint The 'nanobig rod' class of gold nanorods: optimized dimensions for improved in vivo therapeutic and imaging efficacy
    Constantin Ungureanu
    Biomedical Photonic and Imaging Group, MIRA Institute for Biomedical Technology and Technical Medicine, Faculty of Science and Technology, University of Twente, PO Box 217, 7500AE Enschede, The Netherlands
    Nanotechnology 24:215102. 2013
    ....
  18. doi request reprint Photoacoustic needle: minimally invasive guidance to biopsy
    Daniele Piras
    Biomedical Photonic Imaging Group, MIRA Institute, University of Twente, P O Box 217, 7500AE Enschede, The Netherland
    J Biomed Opt 18:070502. 2013
    ..This allows navigation of those regions for optical characterization and direct biopsy in a subsequent step. The concept is explored on simple phantoms and biological specimens...
  19. doi request reprint Iodide impurities in hexadecyltrimethylammonium bromide (CTAB) products: lot-lot variations and influence on gold nanorod synthesis
    Raja Gopal Rayavarapu
    Biomedical Photonic Imaging, Faculty of Science and Technology, Mira Institute of Biomedical Technology and Technical Medicine, University of Twente, Postbox 217, 7500AE Enschede, The Netherlands
    Langmuir 26:5050-5. 2010
    ..Conversely, labeling a CTAB product, identified by a product number or supplier name, as one whose use precludes the formation of nanorods, is also hasty...