Elly Martin

Position: Postdoctoral Research Associate
Email: elly.martin@ucl.ac.uk
Phone: +44 (0) 20 3549 5759
Extension: 65759
Room: Wolfson House, 2.09
Address: Department of Medical Physics and Biomedical Engineering
University College London
Wolfson House, 2-10 Stephenson Way
London, NW1 2HE

About

My research

I joined the Biomedical Ultrasound Group at UCL as a postdoctoral research associate in November 2014. My research is concerned with the measurement of acoustic fields, particularly therapeutic ultrasound fields, and with the measurement of the acoustic properties of materials.

High intensity focused ultrasound therapy works by inducing high temperatures, cavitation and boiling to destroy diseased tissues. Measurement of the ultrasound fields is challenging under these extreme conditions as the sensitive devices often used to measure acoustic pressure are easily damaged. My recent work, in collaboration with the Photoacoustic Imaging Group at UCL, uses a robust sensor, which can withstand these conditions and measure the pressures generated at the focus of therapeutic fields.
Another aspect of my work is concerned with making comparisons between accurate hydrophone measurements and simulations of acoustic fields made using the k-Wave toolbox.
These simulations also require knowledge of the acoustic properties of the tissues that the ultrasound travels through, so I am also interested in measuring the speed of sound and attenuation coefficient of biological and tissue like materials over the broad frequency and temperature ranges which occur during focused ultrasound therapy.

Education and Experience

Postdoctoral Research Associate
Biomedical Ultrasound Group, Department of Medical Physics and Biomedical Engineering, University College London, UK


Higher Research Scientist
Ultrasonics, Acoustics Group, National Physical Laboratory, Teddington, UK


PhD Physics
Biomedical Physics Group, School of Physics, University of Exeter, Exeter, UK


Trainee Medical Physicist
University Hospitals Bristol NHS Trust, Bristol, UK


MSc Medical Physics (Pass with Merit)
School of Physics, University of Exeter, Exeter, UK


MSci Physics with Astrophysics (1st class honours)
School of Physics, University of Bristol, Bristol, UK

2014 –
 


2011 – 2014
 


2007 – 2010
 


2004 – 2006
 


2004 – 2006
 


2000 – 2004

Journal Publications

1.E. Martin, E. Z. Zhang, J. A. Guggenheim, P. C. Beard, B. E. Treeby (2017): Rapid spatial mapping of focused ultrasound fields using a planar Fabry-Perot sensor. In: IEEE Trans. Ultrason. Ferroelectr. Freq. Control, 64 (11), pp. 1711-1722, 2017. (Type: Journal Article | Links | BibTeX)
2.J. L. Robertson, E. Martin, B. T. Cox, B. E. Treeby (2017): Sensitivity of simulated transcranial ultrasound fields to acoustic medium property maps. In: Phys. Med. Biol., 62 (7), pp. 2559-2580, 2017. (Type: Journal Article | Links | BibTeX)
3.E. Martin, Y. T. Ling, B. E. Treeby (2016): Simulating focused ultrasound transducers using discrete sources on regular cartesian grids. In: IEEE Trans. Ultrason. Ferroelectr. Freq. Control, 63 (10), pp. 1535–1542, 2016. (Type: Journal Article | Links | BibTeX)
4.A. Shaw, E. Martin, J. Haller, G. ter Haar (2016): Equipment, measurement and dose - a survey for therapeutic ultrasound. In: J. Ther. Ultrasound, 4 , pp. 7, 2016. (Type: Journal Article | Links | BibTeX)
5.E. Martin, A. Shaw, C. Lees (2015): Survey of current practice in clinical transvaginal ultrasound scanning in the UK. In: Ultrasound, 23 (3), pp. 138–148, 2015. (Type: Journal Article | Links | BibTeX)
6.V. A. Khokhlova, S. M. Shmeleva, L. R. Gavrilov, E. Martin, N. Sadhoo, A. Shaw (2013): Infrared mapping of ultrasound fields generated by medical transducers: Feasibility of determining absolute intensity levels. In: J. Acoust. Soc. Am., 134 (2), pp. 1586–1597, 2013. (Type: Journal Article | Links | BibTeX)
7.J. Haller, K.-V. Jenderka, F. Seifert, T. Klepsch, E. Martin, A. Shaw, G. Durando, C. Guglielmone, F. Girard (2012): A comparison of three different types of temperature measurement in HITU fields. In: Metrologia, 49 (5), pp. S279–S281, 2012. (Type: Journal Article | Links | BibTeX)
8.E. Martin, F. A. Duck, C. P. Winlove (2012): Thermally-mediated ultrasound-induced contraction of equine muscular arteries in vitro and an investigation of the associated cellular mechanisms. In: Ultrasound Med. Biol., 38 (1), pp. 152–161, 2012. (Type: Journal Article | Links | BibTeX)
9.E. Martin, F. A. Duck, R. E. Ellis, C. P. Winlove (2010): Ultrasound-induced contraction of the carotid artery in vitro. In: Ultrasound Med. Biol., 36 (1), pp. 166–172, 2010. (Type: Journal Article | Links | BibTeX)
10.E. Martin (2009): The cellular bioeffects of low intensity ultrasound. In: Ultrasound, 17 (4), pp. 214–219 , 2009. (Type: Journal Article | Links | BibTeX)

Conference Publications

1.D. R. Ramasawmy, E. Martin, J. A. Guggenheim, B. T. Cox, B. E. Treeby (2017): Directivity of a planar hard-dielectric Fabry-Perot optical ultrasound sensor. Directivity of a Planar Hard-Dielectric Fabry-Pe ́rot Optical Ultrasound Sensor, 2017. (Type: Conference | Links | BibTeX)
2.M. D. Brown, E. Martin, B. T. Cox, B. E. Treeby (2016): Single pulse illumination of multi-layer photoacoustic holograms for patterned ultrasound field generation. IEEE International Ultrasonics Symposium, 2016. (Type: Conference | Links | BibTeX)
3.E. Martin, E. Z. Zhang, P. C. Beard, B. E. Treeby (2015): Rapid spatial mapping of the acoustic pressure in high intensity focused ultrasound fields at clinical intensities using a novel planar Fabry-Perot interferometer. IEEE International Ultrasonics Symposium, 2015. (Type: Conference | Links | BibTeX)
4.Y. T. Ling, E. Martin, B. E. Treeby (2015): Discrete source model for simulating bowl-shaped focused ultrasound transducers on regular grids: Design and experimental validation. IEEE International Ultrasonics Symposium, 2015. (Type: Conference | Links | BibTeX)
5.E. Martin, B. E. Treeby (2015): Experimental validation of computational models for large-scale nonlinear ultrasound simulations in heterogeneous, absorbing fluid media. International Symposium on Nonlinear Acoustics (AIP Conference Proceedings), 1685 , 2015. (Type: Conference | Links | BibTeX)
6.G. Durando, C. Guglielmone, J. Haller, O. Georg, A. Shaw, E. Martin, B. Karaboce (2015): Towards comparison of ultrasound dose measurements - current capabilities and open challenges. Proceedings of the 2015 ICU International Congress on Ultrasonics, 70 , 2015. (Type: Conference | Links | BibTeX)

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