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Ultrasound Elasticity Imaging Laboratory

Columbia University

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Fotis Vlachos, Ph.D. (Former Postdoctoral Research Scientist)

Academic Qualifications

  • Ph.D., Biomedical Engineering, University of Patras (Patras, Greece), 2009
  • M.S., Biomedical Engineering, University of Patras (Patras, Greece), 2005
  • Dipl.Eng., Electrical and Computer Engineering, National Technical University of Athens (Athens, Greece), 2002

Biography

Fotis Vlachos was born in 1980 in Athens, Greece. He received his M.S. and Ph.D. degrees from the medical school of the University of Patras (Patras, Greece). For his M.S., he worked on the construction of a medical phantom for human MRSI experiments. For his Ph.D., he worked on the simulation, design and construction of a phased array coil for human prostate MR imaging.

Dr. Vlachos's research interests include MRI pulse sequence optimization and programming. He is currently working on permeability mapping in the blood-brain barrier.

Publications

To obtain a bibliography of all of Dr. Vlachos's publications, click here to download the complete list (in BibTeX format).

Journal Articles

  • Ultrasound-induced blood-brain barrier opening
  • Elisa E. Konofagou, Yao-Sheng Tung, James J. Choi, Thomas Deffieux, Jameel A. Feshitan, Mark A. Borden, Babak Baseri, Fotis Vlachos
  • Current Pharmaceutical Biotechnology, September 2012
  • Invited Contribution
  • Download Citation (BibTeX)
  • A quantitative pressure and microbubble-size dependence study of focused ultrasound-induced blood-brain barrier opening reversibility in vivo using MRI
  • Gesthimani Samiotaki, Fotis Vlachos, Yao-Sheng Tung, Elisa E. Konofagou
  • Magnetic Resonance in Medicine, Volume 67, Number 3, Pages 769-777, March 2012
  • Digital Object Identifier: 10.1002/mrm.23063
  • Download Full Text (PDF) | Download Citation (BibTeX)
  • Theranostic Gd(III)-lipid microbubbles for MRI-guided focused ultrasound surgery
  • Jameel A. Feshitan, Fotis Vlachos, S. R. Sirsi, Elisa E. Konofagou, Mark A. Borden
  • Biomaterials, Volume 33, Number 1, Pages 247-255, January 2012
  • Digital Object Identifier: 10.1016/j.biomaterials.2011.09.026
  • Download Full Text (PDF) | Download Citation (BibTeX)
  • The mechanism of interaction between focused ultrasound and microbubbles in blood-brain barrier opening in mice
  • Yao-Sheng Tung, Fotis Vlachos, Jameel A. Feshitan, Mark A. Borden, Elisa E. Konofagou
  • Journal of the Acoustical Society of America, Volume 130, Number 5, Pages 3059-3067, November 2011
  • Digital Object Identifier: 10.1121/1.3646905
  • Download Full Text (PDF) | Download Citation (BibTeX)
  • Noninvasive and localized neuronal delivery using short ultrasonic pulses and microbubbles
  • James J. Choi, Kirsten Selert, Fotis Vlachos, Anna Wong, Elisa E. Konofagou
  • Proceedings of the National Academy of Sciences of the USA, Volume 108, Number 40, Pages 16539-16544, October 2011
  • Digital Object Identifier: 10.1073/pnas.1105116108
  • Download Full Text (PDF) | Download Citation (BibTeX)
  • Permeability dependence study of the focused ultrasound-induced blood-brain barrier opening at distinct pressures and microbubble diameters using DCE-MRI
  • Fotis Vlachos, Yao-Sheng Tung, Elisa E. Konofagou
  • Magnetic Resonance in Medicine, Volume 66, Pages 821-830, April 2011
  • Digital Object Identifier: 10.1002/mrm.22848
  • Download Full Text (PDF) | Download Citation (BibTeX)
  • In vivo transcranial cavitation threshold detection during ultrasound-induced blood-brain barrier opening
  • Yao-Sheng Tung, Fotis Vlachos, James J. Choi, Thomas Deffieux, Kirsten Selert, Elisa E. Konofagou
  • Physics in Medicine and Biology, Volume 55, Number 20, Pages 6141-6155, October 2010
  • Digital Object Identifier: 10.1088/0031-9155/55/20/007
  • Download Full Text (PDF) | Download Citation (BibTeX)
  • Permeability assessment of the focused ultrasound-induced blood-brain barrier opening using dynamic contrast-enhanced MRI
  • Fotis Vlachos, Yao-Sheng Tung, Elisa E. Konofagou
  • Physics in Medicine and Biology, Volume 55, Number 18, Pages 5451-5466, September 2010
  • Digital Object Identifier: 10.1088/0031-9155/55/18/012
  • Download Full Text (PDF) | Download Citation (BibTeX)

Conference Papers and Presentations

  • Permeability and reversibility timeline study of the focused-ultrasound induced blood-brain barrier opening at distinct pressures and microbubble sizes in vivo
  • Gesthimani Samiotaki, Fotis Vlachos, Yao-Sheng Tung, Elisa E. Konofagou
  • IEEE International Ultrasonics Symposium (Orlando, FL, USA), October 18 to 21, 2011
  • Download Citation (BibTeX)
  • Bubble dependence of the mechanism for FUS-induced blood-brain barrier opening in mice in vivo
  • Yao-Sheng Tung, Fotis Vlachos, Kirsten Selert, Elisa E. Konofagou
  • 161st Meeting of the Acoustical Society of America (Seattle, WA, USA), May 23 to 27, 2011
  • Shortlisted for the Best Student Paper Competition
  • Download Citation (BibTeX)
  • Pressure and microbubble-size dependence of the FUS-induced blood brain barrier opening reversibility in vivo
  • Gesthimani Samiotaki, Fotis Vlachos, Yao-Sheng Tung, Elisa E. Konofagou
  • Annual Meeting of the International Society for Magnetic Resonance in Medicine (Montreal, QC, Canada), May 7 to 13, 2011
  • Download Citation (BibTeX)
  • In vivo identification of the mechanism behind ultrasound-induced blood-brain barrier opening
  • Yao-Sheng Tung, Fotis Vlachos, Kirsten Selert, Elisa E. Konofagou
  • American Institute of Ultrasound in Medicine Annual Convention (New York, NY, USA), April 14 to 17, 2011
  • Download Citation (BibTeX)
  • Feasibility of a simple transcranial focused ultrasound system for blood-brain barrier opening
  • Fabrice Marquet, Yao-Sheng Tung, Fotis Vlachos, Elisa E. Konofagou
  • American Institute of Ultrasound in Medicine Annual Convention (New York, NY, USA), April 14 to 17, 2011
  • Download Citation (BibTeX)
  • The bubble-dependent mechanism of FUS-induced blood-brain barrier opening in mice in vivo
  • Yao-Sheng Tung, Fotis Vlachos, Jameel A. Feshitan, Mark A. Borden, Elisa E. Konofagou
  • 11th International Symposium on Therapeutic Ultrasound (New York, NY, USA), April 11 to 13, 2011
  • Winner of the Best Student Paper Competition
  • Download Citation (BibTeX)
  • Pressure and microbubble size dependence study of focused ultrasound-induced blood-brain barrier opening reversibility in vivo
  • Gesthimani Samiotaki, Fotis Vlachos, Yao-Sheng Tung, Elisa E. Konofagou
  • 11th International Symposium on Therapeutic Ultrasound (New York, NY, USA), April 11 to 13, 2011
  • Download Citation (BibTeX)
  • Feasibility of a single-element transcranial focused ultrasound system for blood-brain barrier opening
  • Fabrice Marquet, Yao-Sheng Tung, Fotis Vlachos, Elisa E. Konofagou
  • 11th International Symposium on Therapeutic Ultrasound (New York, NY, USA), April 11 to 13, 2011
  • Download Citation (BibTeX)
  • In-vivo quantitative permeability assessment of the focused-ultrasound-induced blood-brain barrier opening using dynamic contrast-enhanced MRI
  • Fotis Vlachos, Yao-Sheng Tung, Elisa E. Konofagou
  • IEEE International Ultrasonics Symposium (San Diego, CA, USA), October 11 to 14, 2010
  • Download Citation (BibTeX)
  • In vivo transcranial cavitation detection during ultrasound-induced blood-brain barrier opening
  • Yao-Sheng Tung, Fotis Vlachos, Thomas Deffieux, James J. Choi, Kirsten Selert, Elisa E. Konofagou
  • IEEE International Ultrasonics Symposium (San Diego, CA, USA), October 11 to 14, 2010
  • Shortlisted for the Best Student Paper Competition
  • Download Citation (BibTeX)
  • MR-based pharmacokinetics of the focused-ultrasound-induced blood-brain barrier Opening
  • Fotis Vlachos, Yao-Sheng Tung, Elisa E. Konofagou
  • Biomedical Engineering Society Annual Meeting (Austin, TX, USA), October 6 to 9, 2010
  • Download Citation (BibTeX)
  • Noninvasive in vivo cavitation threshold detection during blood-brain barrier opening using focused ultrasound and Definity
  • Yao-Sheng Tung, Fotis Vlachos, Thomas Deffieux, James J. Choi, Elisa E. Konofagou
  • 159th Meeting of the Acoustical Society of America (Baltimore, MD, USA), April 19 to 23, 2010
  • Download Citation (BibTeX)
  • Quantitative assessment of in vivo focused ultrasound induced blood-brain barrier opening using Magnetic Resonance Imaging
  • Gesthimani Samiotaki, Fotis Vlachos, Yao-Sheng Tung, Elisa E. Konofagou
  • Northeast Bioengineering Conference (New York, NY, USA), March 26 to 28, 2010
  • Download Citation (BibTeX)

From the website of the Ultrasound Elasticity Imaging Laboratory at Columbia University.
Source: orion.bme.columbia.edu/ueil/person.php
Date: May 25, 2013 at 1:25 PM
Copyright © 2013 Columbia University.

Results

images/results/bbb/2012-samiotaki-bbb-reversibility-fig2.jpg

Reversible blood-brain barrier opening using focused ultrasound. More… »

images/results/ewi/2012-konofagou-ewi-3d-in-vivo-fig8.jpg

EWI isochrones of a normal sinus rhythm obtained noninvasively in a normal human subject. More… »

images/results/pwi/2010-vappou-pwi-quantitative-fig4a.gif

An example of pulse wave propagation in a human aorta. More… »

images/results/mye/2011-luo-wall-motion-fig4b.jpg

M-mode of wall velocity and blood velocity in infarcted hearts. More… »

images/results/bbb/2010-deffieux-bbb-transcranial-fig8.jpg

Maximum pressure field at 500 kHz when targeting the putamen through the human skull. More… »

images/results/hmi/2010-maleke-hmi-real-time-fig5b.jpg

M-mode of a tumor during ablation with HMIFU. More… »

images/results/mye/2009-luo-mye-performance-fig2ab.jpg

Radial and circumferential strains from finite-element solution and from elastographic estimation. More… »

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Recent Papers

  • Pulse Wave Imaging (PWI) in normal, hypertensive and aneurysmal human aortas in vivo: a feasibility study (Physics in Medicine and Biology)
  • Mapping the longitudinal wall stiffness heterogeneities within intact canine aortas using Pulse Wave Imaging (PWI) ex vivo (Journal of Biomechanics)
  • An Experimental Study on the Stiffness of Size-Isolated Microbubbles Using Atomic Force Microscopy (IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control)

View all papers… »

Upcoming Presentations

  • 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (Osaka, Japan; July 3 to 7, 2013)
  • IEEE International Ultrasonics Symposium (Prague, Czech Republic; July 21 to 25, 2013)

View all presentations… »


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Columbia University Medical Campus
630 West 168th Street
Physicians & Surgeons 19-418
New York, NY, USA 10032

Phone: +1 212 342 0863
Fax: +1 212 342 1648

The mission of the UEIL is to develop new ultrasound-based
techniques for both imaging and therapeutic applications.

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