902 Hits in 5.2 sec

Nanowire-based single-cell endoscopy

Ruoxue Yan, Ji-Ho Park, Yeonho Choi, Chul-Joon Heo, Seung-Man Yang, Luke P. Lee, Peidong Yang
2011 Nature Nanotechnology  
Sirbuly for the nanowire endoscope bending video, H.E. Jeong, J.W. Lee and Q. Pan for cell culturing, and Q. Pan and S. Gweon for discussions. P.Y. thanks the National Science Foundation for the A.  ...  R21 EB007474-03) and Department of Energy (contract no. DE-AC02-05CH11231). The authors thank Z. Huo for transmission electron microscope observations, D.  ...  Fluorescence sensing techniques based on submicrometre tapered optical fibres have been developed for probing living biological specimens [14] [15] [16] [17] , but the requisite large and conical fibres  ... 
doi:10.1038/nnano.2011.226 pmid:22179570 fatcat:tktystqf3ja2dkyc6kiup3ui6a

A compact polymer optical fibre ultrasound detector

Christian Broadway, Daniel Gallego, Andreas Pospori, Michal Zubel, David J. Webb, Kate Sugden, Guillermo Carpintero, Horacio Lamela, Alexander A. Oraevsky, Lihong V. Wang
2016 Photons Plus Ultrasound: Imaging and Sensing 2016  
presents an innovative approach for ultrasonic endoscopic applications.  ...  Keywords: Polymer Optical Fibre Sensors, Fibre Sensors, Polymer Optical Fibre, Endoscopy, Biomedical Applications , Ultrasound Polymer optical fibre (POF) is a relatively new and novel technology that  ...  We acknowledge and thank David Saez Rodriguez, who fabricated the PMMA fibres that were inscribed, connectorised, characterised and implemented in the detector system described in this paper.  ... 
doi:10.1117/12.2212420 fatcat:fkasfpchrzazjf7hsg4w227ehu

Polymer optical fibre sensors for endoscopic optoacoustic imaging

Christian Broadway, Daniel Gallego, Getinet Woyessa, Andreas Pospori, Ole Bang, David J. Webb, Guillermo Carpintero, Horacio Lamela, Vasilis Ntziachristos, Roger Zemp
2015 Opto-Acoustic Methods and Applications in Biophotonics II  
Polymer optical fibre (POF) presents a novel approach for endoscopic applications and has been positively discussed and compared in existing publications.  ...  Opto-acoustic imaging (OAI) shows particular promise for in-vivo biomedical diagnostics. Its applications include cardiovascular, gastrointestinal and urogenital systems imaging.  ...  We acknowledge and thank David Saez Rodriguez, who fabricated the PMMA fibres that were inscribed and characterised in this paper.  ... 
doi:10.1117/12.2183452 fatcat:q4v6kf5rcbcfpl2ptu4i4nsjtq

All-optical endoscopic probe for high resolution 3D photoacoustic tomography

R. Ansari, E. Zhang, A. E. Desjardins, P. C. Beard, Alexander A. Oraevsky, Lihong V. Wang
2017 Photons Plus Ultrasound: Imaging and Sensing 2017  
A novel all-optical forward-viewing photoacoustic probe using a flexible coherent fibre-optic bundle and a Fabry-Pérot (FP) ultrasound sensor has been developed.  ...  Finally, the high resolution 3D imaging capability has been demonstrated using arbitrary shaped phantoms and duck embryo.  ...  ACKNOWLEDGMENTS This work was supported by an Innovative Engineering for Health award by the Wellcome Trust (No. WT101957) and the Engineering and Physical Sciences Research Council (EPSRC) (No.  ... 
doi:10.1117/12.2250617 fatcat:m5v3ihzblzg6vm5zp6owcpm4lq

A Novel Bio-inspired Tactile Tumour Detection Concept for Capsule Endoscopy [chapter]

Benjamin Winstone, Chris Melhuish, Sanja Dogramadzi, Tony Pipe, Mark Callaway
2014 Lecture Notes in Computer Science  
Endoscopes are rigid or flexible tubes that use fibre-optics or cameras to visualise tissues in natural orifices. This can be an uncomfortable and very invasive procedure for the patient.  ...  TACTIP tactile sensing device. Fig. 2 : 2 Tactile sensing capsule endoscope. Fig. 3 : 3 TACTIP demonstrating lump detection.  ... 
doi:10.1007/978-3-319-09435-9_56 fatcat:2yz7vqezrbhuvpupaqt5myjeby

Endomicroscopy for Computer and Robot Assisted Intervention

Siyang Zuo, Guang-Zhong Yang
2017 IEEE Reviews in Biomedical Engineering  
Endomicroscopy is a new technique that allows human tissue to be characterized in vivo, and in situ, circumventing the need for conventional biopsy and histology.  ...  imaging techniques are presented.  ...  It was originally developed for ophthalmology, but now has been extended to endoscopic Endomicroscopy for Computer and Robot Assisted Intervention Siyang Zuo, and Guang-Zhong Yang, Fellow, IEEE applications  ... 
doi:10.1109/rbme.2017.2686483 pmid:28333642 fatcat:4zn3jbfigrd6vi6et2otmehi54

Image computing for fibre-bundle endomicroscopy: A review [article]

Antonios Perperidis, Kevin Dhaliwal, Stephen McLaughlin, Tom Vercauteren
2018 arXiv   pre-print
Yet, the nature of image acquisition though a fibre-bundle gives rise to several inherent characteristics and limitations necessitating novel and effective image pre- and post-processing algorithms, ranging  ...  Miniaturised, flexible fibre-bundles, guided through the working channel of endoscopes, needles and catheters, enable high-resolution imaging across a variety of organ systems.  ...  Professor Dhaliwal is founder and shareholder of Edinburgh Molecular Imaging (Edinburgh, UK) and has in the past received funds for travel and meeting attendance from Mauna Kea Technologies (Paris, France  ... 
arXiv:1809.00604v1 fatcat:blwswhbjczft3lrbln7q5736km

Fibre-optic nonlinear optical microscopy and endoscopy

L. FU, M. GU
2007 Journal of Microscopy  
Optical imaging is suitable for detecting neoplastic changes with sub-cellular resolution in vivo without the need for biopsy.  ...  Declaration I, Ling Fu, declare that this thesis entitled: "Fibre-optic nonlinear microscopy and endoscopy" is my own work and has not been submitted previously, in whole or in part, in respect of any  ...  (PCFs) for nonlinear optical sensing and imaging.  ... 
doi:10.1111/j.1365-2818.2007.01777.x pmid:17535259 fatcat:6cj2ycgdpbdenbd3ldmaw34fgu

Transmission of natural scene images through a multimode fibre

Piergiorgio Caramazza, Oisín Moran, Roderick Murray-Smith, Daniele Faccio
2019 Nature Communications  
Real-time imaging over long fibre lengths opens alternative routes to exploitation for example for secure communication systems, novel remote imaging devices, quantum state control processing and endoscopy  ...  Here we implement a method that statistically reconstructs the inverse transformation matrix for the fibre.  ...  The code has been presented and explained in Supplementary Note 4: Software. Furthermore, a code example is available at the DOI link.  ... 
doi:10.1038/s41467-019-10057-8 pmid:31048712 pmcid:PMC6497636 fatcat:k5246pnajfhtzn4hx27elelqv4

Front Matter: Volume 9323

2015 Photons Plus Ultrasound: Imaging and Sensing 2015  
Publication of record for individual papers is online in the SPIE Digital Library.  ...  Utilization of CIDs allows articles to be fully citable as soon as they are published online, and connects the same identifier to all online, print, and electronic versions of the publication.  ...  Catheter-based photoacoustic endoscope for use in the instrument channel of a clinical video endoscope [9323-33] 9323 0Z Large-field-of-view laser-scanning OR-PAM using a fibre optic sensor [9323  ... 
doi:10.1117/12.2192869 fatcat:thhx2k4sd5ew5mwg4thlzevt4u

A Neurofuzzy Methodology for the Diagnosis of Wireless-Capsule Endoscopic Images [chapter]

Vassilis Kodogiannis, H. S. Chowdrey
2005 Lecture Notes in Computer Science  
The test results support the feasibility of the proposed methodology for this type of endoscopic images.  ...  In this paper schemes have been developed to extract texture features from the texture spectra in the chromatic and achromatic domains for a selected region of interest from each colour component histogram  ...  An approach on extracting texture features from capsule-based endoscopic images using the M2A Given Imaging capsule has been developed.  ... 
doi:10.1007/11550822_100 fatcat:hmxzljh6efhalbmzlxt2ik2axe

Comparative investigation of reusable and single–use flexible endoscopes for urological interventions

Maximilian Eisel, Frank Strittmatter, Stephan Ströbl, Christian Freymüller, Thomas Pongratz, Ronald Sroka
2020 Scientific Reports  
In comparison, the disposable endoscope showed a barrel-shaped image distortion in air of -24.2%, which is in the middle range, but was best under water (-8.6%).  ...  In order to evaluate the technical adaptability of a type of disposable endoscope compared to reusable flexible endoscopes, in vitro and in vivo studies were conducted.  ...  , and novel digital FURS with "chip on the tip" technology 5, 6 .  ... 
doi:10.1038/s41598-020-62657-w pmid:32231344 fatcat:4gb2vwzokrdmtgyrxpxxhfdt5i

Demonstrating the Use of Optical Fibres in Biomedical Sensing: A Collaborative Approach for Engagement and Education

Katjana Ehrlich, Helen E. Parker, Duncan K. McNicholl, Peter Reid, Mark Reynolds, Vincent Bussiere, Graham Crawford, Angela Deighan, Alice Garrett, András Kufcsák, Dominic R. Norberg, Giulia Spennati (+3 others)
2020 Sensors  
With the aim of improving lung disease understanding, new techniques in fibre-based optical endomicroscopy have been recently developed.  ...  Here, we present a novel engagement activity that resembles a bench-to-bedside pathway.  ...  Furthermore, we thank Ahsan Akram for providing the X-Ray and histology image ( Figure 2a Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/s20020402 pmid:31936827 pmcid:PMC7014119 fatcat:ddffycxfvfaklmck2tfkjljdoa

The evolution of lower gastrointestinal endoscopy: where are we now?

Arun Sivananthan, Ben Glover, Lakshmana Ayaru, Kinesh Patel, Ara Darzi, Nisha Patel
2020 Therapeutic Advances in Gastrointestinal Endoscopy  
There are a number of endoscopic platforms under development, which show significant promise.  ...  As our understanding of colorectal cancer and its prevention has improved, endoscopy has progressed with improved diagnostic technologies and advancing endoscopic therapies.  ...  Conflict of interest statement The authors declared no potential conflicts of interest with respect to the research, authorship and/or publication of this article.  ... 
doi:10.1177/2631774520979591 pmid:33426522 pmcid:PMC7754801 fatcat:c44l6ujt7ve3pcwopelibogj6u

Discriminating contact in lumen with a moving flexible digit using fibre Bragg grating sensing elements

B Tam, X Ma, D J Webb, D J Holding, P N Brett
2009 Proceedings of the Institution of mechanical engineers. Part H, journal of engineering in medicine  
The solution is pragmatic, and by virtue of its efficient mechanical construction and a polymer construction, it offers opportunities for a disposable element with suitability for magnetic resonance imaging  ...  In this paper, experimental evidence of the performance of a novel sensing system embedded in an actuated flexible digit element is presented.  ...  Steerable endoscopes are a clinical tool delivery system and are used for tasks in therapy and diagnosis.  ... 
doi:10.1243/09544119jeim676 pmid:20608493 fatcat:6ljzk6pcyjfqxmn4qnfbqc7y7u
« Previous Showing results 1 — 15 out of 902 results