Search Results - "Syms, Richard R. A"

A Microelectromechanical Systems-Enabled, Miniature Triple Quadrupole Mass Spectrometer by Wright, Steven, Malcolm, Andrew, Wright, Christopher, O’Prey, Shane, Crichton, Edward, Dash, Neil, Moseley, Richard W, Zaczek, Wojciech, Edwards, Peter, Fussell, Richard J, Syms, Richard R. A

“…Miniaturized mass spectrometers are becoming increasingly capable, enabling the development of many novel field and laboratory applications. However, to date,…”
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MEMS-Based Nanospray-Ionization Mass Spectrometer by Wright, Steven, Syms, Richard R A, Moseley, Richard, Guodong Hong, O'Prey, Shane, Boxford, William E, Dash, Neil, Edwards, Peter

“…An electrospray-ionization mass spectrometer (ESI-MS) whose main components are all fabricated using silicon microelectromechanical systems (MEMS) techniques…”
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Solvent-pumped evaporation concentration on paper in linear and radial geometries by Syms, Richard R. A., Wright, Steven

“…Solvent-pumped evaporation-driven concentration of an initial distribution of solutes on a porous substrate is considered in one and two dimensions…”
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Paper-based evaporation concentrators: Comparison of linear and radial geometries by Syms, Richard R. A., Wright, Steven

“…Paper-based evaporation concentrators with linear and radial geometries are compared. A new method of finding approximate analytic solutions of the…”
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CDMA in Metamaterials Using Polyphase Codes by Syms, Richard R. A., Voronov, Artem

“…Small code sets are required for asynchronous code division multiple access (CDMA) communication in dispersive channels such as metamaterials, for applications…”
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Intraductal magnetic resonance imaging of cholangiocarcinoma - a practical possibility by Syms, Richard R A, Wadsworth, Christopher A, Kardoulaki, Evdokia, Titapun, Attapol, Boonphongsathien, Wuttisak, Sa-Ngiamwibool, Prakasit, Zhang, Shuo, Taylor-Robinson, Simon D, Chamadol, Nittaya, Loilome, Watcharin

“…Intraductal T2 mapping based on a catheter receiver is proposed as a method of visualizing the extent of intraductal and periductal cholangiocarcinoma (CCA)…”
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Optical, thermal, and electrical monitoring of radio-frequency tissue modification by Floume, Timmy, Syms, Richard R. A, Darzi, Ara W, Hanna, George B

“…Radio-frequency (rf) tissue fusion involves the sealing of tissue between two electrodes delivering rf currents. Applications include small bowel fusion…”
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Comparison of Ion Coupling Strategies for a Microengineered Quadrupole Mass Filter by Wright, Steven, Syms, Richard R.A., O'Prey, Shane, Hong, Guodong, Holmes, Andrew S.

“…The limitations of conventional machining and assembly techniques require that designs for quadrupole mass analyzers with rod diameters less than a millimeter…”
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In Vitro Intraductal MRI and T2 Mapping of Cholangiocarcinoma Using Catheter Coils by Khuntikeo, Narong, Titapun, Attapol, Chamadol, Nittaya, Boonphongsathien, Wuttisak, Sa-Ngiamwibool, Prakasit, Taylor-Robinson, Simon D, Wadsworth, Christopher A, Zhang, Shuo, Kardoulaki, Evdokia M, Syms, Richard R A

“…Diagnostic imaging of early-stage cholangiocarcinoma is challenging. A previous in vitro study of fixed-tissue liver resection specimens investigated T2…”
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Miniature Mass Spectrometer Systems Based on a Microengineered Quadrupole Filter by Malcolm, Andrew, Wright, Steven, Syms, Richard R. A, Dash, Neil, Schwab, Marc-André, Finlay, Alan

“…Two miniature mass spectrometer systems based on a microengineered quadrupole mass filter have been developed. One of the instruments has a footprint of 27 cm…”
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NEMS by Sidewall Transfer Lithography by Dixi Liu, Syms, Richard R. A.

“…A batch fabrication process for nanoelectromechanical systems (NEMS) based on sidewall transfer lithography (STL) is demonstrated. The STL is used to form…”
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Real-time optical monitoring of radio-frequency tissue fusion by continuous wave transmission spectroscopy by Floume, Timmy, Syms, Richard R A, Darzi, Ara W, Hanna, George B

“…Radio-frequency (RF) tissue fusion is a novel method of tissue approximation that can seal tissue without the need for sutures or staples, based on the…”
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Magnetic Resonance Imaging Duodenoscope by Syms, Richard R. A., Young, Ian R., Wadsworth, Christopher A., Taylor-Robinson, Simon D., Rea, Marc

“…A side-viewing duodenoscope capable of both optical and magnetic resonance imaging (MRI) is described. The instrument is constructed from MR-compatible…”
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Dark field imaging of high aspect ratio structures – a simple model by Syms, Richard R. A., Kwan, Fu Yee, Sydoruk, Oleksiy

“…A simplified model for dark-field optical imaging of three-dimensional high aspect ratio micro- and nano- structures is proposed, to reduce the time taken to…”
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Waveguide Antenna Topologies for Distributed High-Frequency Near-Field Communication and Localization by Voronov, Artem, Sydoruk, Oleksiy, Syms, Richard R. A.

“…High-frequency (HF) near-field communication (NFC) is an inherently short-range technology. However, the total capture volume can be increased with…”
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SNR in MI Catheter Receivers for MRI by Kardoulaki, Evdokia M., Syms, Richard R. A., Young, Ian R., Rea, Marc

“…Internal coils have a signal-to-noise ratio (SNR) advantage during magnetic resonance imaging. However, coils with continuous cables are generally unsafe, due…”
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Microfabricated Quadrupole Mass Spectrometer With a Brubaker Prefilter by Wright, S., O'Prey, S., Syms, R.R.A., Guodong Hong, Holmes, A.S.

“…Microfabricated quadrupole mass spectrometers with Brubaker prefilters are demonstrated for the first time. Complete filters are assembled from two dies, each…”
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Parametric Amplification of Magnetic Resonance Images by Syms, R. R. A., Floume, T., Young, I. R., Solymar, L., Rea, M.

“…Parametric amplification is considered as a method for the detection of magnetic resonance imaging (MRI) signals. The theory of three-frequency amplifiers is…”
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Periodic Analysis of MR-Safe Transmission Lines by Syms, Richard, Solymar, Laszlo, Young, Ian R

“…In this paper, a theoretical analysis is presented of transmission lines that are periodically interrupted by isolation transformers. Such lines have…”
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Nanospray Dielectrophoresis by Tichem, M., Syms, R. R. A.

“…Self-assembly of nanoparticles into microscale patterns by spray deposition and dielectrophoresis is investigated using microfabricated RF traps and…”
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