Zobrazeno 1 - 10
of 55
pro vyhledávání: '"Erwin J. Alles"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-11 (2024)
Abstract Freehand optical ultrasound (OpUS) imaging is an emerging ultrasound imaging paradigm that uses an array of fibre-optic, photoacoustic ultrasound sources and a single fibre-optic ultrasound detector to perform ultrasound imaging without the
Externí odkaz:
https://doaj.org/article/26fc060505634ca2ba59110ab93f1367
Autor:
Fraser T. Watt, Vivek Muthurangu, Jennifer Steeden, Eleanor C. Mackle, Adrien E. Desjardins, Edward Z. Zhang, Paul C. Beard, Erwin J. Alles
Publikováno v:
APL Photonics, Vol 9, Iss 9, Pp 096103-096103-11 (2024)
Optical ultrasound (OpUS) imaging is an ultrasound modality that utilizes fiber-optic ultrasound sources and detectors to perform pulse-echo ultrasound imaging. These probes can be constructed entirely from glass optical fibers and plastic components
Externí odkaz:
https://doaj.org/article/63b27646ed3f4c76a134cd15d5cc5334
Autor:
Semyon Bodian, Esra Aytac‐Kipergil, Shaoyan Zhang, India Lewis‐Thompson, Sanjayan Sathasivam, Sunish J. Mathews, Erwin J. Alles, Edward Z. Zhang, Paul C. Beard, Ross J. Gordon, Paul Collier, Ivan P. Parkin, Adrien E. Desjardins, Richard J. Colchester, Sacha Noimark
Publikováno v:
Advanced Materials Interfaces, Vol 10, Iss 9, Pp n/a-n/a (2023)
Abstract Candle‐soot nanoparticles (CSNPs) have shown great promise for fabricating optical ultrasound (OpUS) transmitters. They have a facile, inexpensive synthesis whilst their unique, porous structure enables a fast heat diffusion rate which aid
Externí odkaz:
https://doaj.org/article/778848012d7240d2b6d502ac161930ed
Autor:
Erwin J. Alles, Nora Fook Sheung, Sacha Noimark, Edward Z. Zhang, Paul C. Beard, Adrien E. Desjardins
Publikováno v:
Scientific Reports, Vol 7, Iss 1, Pp 1-9 (2017)
Abstract A miniature all-optical ultrasound imaging system is presented that generates three-dimensional images using a stationary, real acoustic source aperture. Discrete acoustic sources were sequentially addressed by scanning a focussed optical be
Externí odkaz:
https://doaj.org/article/25bdbca81cd44fc28f22db7a5815c159
Autor:
Eli Elyas, Efthymia Papaevangelou, Erwin J. Alles, Janine T. Erler, Thomas R. Cox, Simon P. Robinson, Jeffrey C. Bamber
Publikováno v:
Scientific Reports, Vol 7, Iss 1, Pp 1-9 (2017)
Abstract The objective of this study was to evaluate the potential value of ultrasound (US) shear wave elastography (SWE) in assessing the relative change in elastic modulus in colorectal adenocarcinoma xenograft models in vivo and investigate any co
Externí odkaz:
https://doaj.org/article/2b5b5ae4b7ec44cb881df9534cba1f9f
Autor:
Efthymios Maneas, Andreas Hauptmann, Erwin J. Alles, Wenfeng Xia, Sacha Noimark, Anna L. David, Simon Arridge, Adrien E. Desjardins
Publikováno v:
International Journal of Computer Assisted Radiology and Surgery. 18:395-399
Purpose: Instrumented ultrasonic tracking provides needle localisation during ultrasound-guided minimally invasive percutaneous procedures. Here, a post-processing framework based on a convolutional neural network (CNN) is proposed to improve the spa
Autor:
Richard J. Colchester, Erwin J. Alles, Adrien E. Desjardins, Keshav Iyengar, George Dwyer, Danail Stoyanov
Publikováno v:
IEEE Transactions on Medical Robotics and Bionics. 3:948-958
Optical ultrasound, where ultrasound is both generated and received using light, can be integrated in very small diameter instruments making it ideally suited to minimally invasive interventions. One-dimensional information can be obtained using a si
Publikováno v:
2022 IEEE International Ultrasonics Symposium (IUS).
Autor:
Sacha Noimark, Bradley E. Treeby, Esra Aytac-Kipergil, Ivan P. Parkin, Erwin J. Alles, Adrien E. Desjardins
Publikováno v:
The Journal of the Acoustical Society of America
Laser-generated focused ultrasound (LGFU) transducers used for ultrasound therapy commonly have large diameters (6–15 mm), but smaller lateral dimensions (
Publikováno v:
Optics Letters
A versatile and scalable fabrication method for laser-generated focused ultrasound transducers is proposed. The method is based on stamping a coated negative mold onto polydimethylsiloxane, and it can be adapted to include different optical absorbers