Zobrazeno 1 - 10
of 23
pro vyhledávání: '"James Proffitt"'
Publikováno v:
IEEE Transactions on Nuclear Science. 61:2433-2438
Recent advances in the development of silicon photomultipliers (SiPM) offer new opportunities for medical imaging applications. Specifically, novel imaging devices for positron emission (PET) and single photoemission computed tomography (SPECT) are b
Autor:
John McKisson, James Proffitt, S. Lee, Andrew G. Weisenberger, Kosta Popovic, J. E. McKisson, Mark B. Williams, Alexander Stolin, Stan Majewski, Brian Kross
Publikováno v:
IEEE Transactions on Nuclear Science. 61:1084-1091
This paper describes the development of a hand-held gamma camera for intraoperative surgical guidance that is based on silicon photomultiplier (SiPM) technology. The camera incorporates a cerium doped lanthanum bromide ( ${\hbox{LaBr}}_{3}:{\hbox{Ce}
Autor:
James Proffitt
When the Marblehead Lighthouse first lit its flame in 1822, it drew on whale oil. The beacon flickered through lard, kerosene and LED lights over the next two centuries, while the tower weathered razing and reorganization. Despite the advent of GPS,
Autor:
James Proffitt, Patricia G. Judy, Stan Majewski, Nicole L Dinion, M.J. More, Mark B. Williams, Zongyi Gong, Doug Kieper, John McKisson, Torre St. Saviour, Brian Kross, Alexander Stolin, B. Welch
Publikováno v:
IEEE Transactions on Nuclear Science. 57:1146-1154
The main objective of the present study was to determine if combining the two images from a conjugate counting system might improve the contrast and signal-to-noise ratio (SNR) of small lesions in all regions of the breast compared to images from a s
Autor:
Michael V. Green, James Proffitt, Jurgen Seidel, Wenze Xi, Thomas J. Pohida, John W. Kakareka, Diane E. Milenic, Andrew G. Weisenberger, Stan Majewski, Peter L. Choyke
Publikováno v:
Nuclear Medicine and Biology. 37:245-253
We describe a compact, portable dual-gamma camera system (named "MONICA" for MObile Nuclear Imaging CAmeras) for visualizing and analyzing the whole-body biodistribution of putative diagnostic and therapeutic single photon emitting radiotracers in an
Autor:
James Proffitt, Stan Majewski, Mark F. Smith, Andrew G. Weisenberger, Brian Kross, Randolph Wojcik, Raymond R. Raylman, Vladimir Popov
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 569:291-295
Dedicated positron emission mammography breast imaging systems have shown great promise for the detection of small, radiotracer-avid lesions. Our group (a collaboration consisting of West Virginia University, Jefferson Lab and the University of Washi
Autor:
Antonio González, Albert Aguilar, Alexander Stolin, Stan Majewski, Liczandro Hernandez, Pablo Conde, Jose M. Benlloch, James Proffitt, Filomeno Sanchez
Publikováno v:
2014 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC).
Gamma ray detectors merging continuous and pixelated crystal arrays are described. We show a pilot study about the detector performance of an innovative scintillation design that simultaneously uses both a continuous and a crystal array. This novel i
Autor:
James Proffitt, Julie A. Brefczynski-Lewis, Christopher E. Bauer, Janusz H. Hankiewicz, Peter Martone, Ray Raylman, Alexander Stolin, James W. Lewis, Stan Majewski
Publikováno v:
2013 IEEE Nuclear Science Symposium and Medical Imaging Conference (2013 NSS/MIC).
Our research group constructed a 12-module PET detection ring composed of Hamamatsu multi-pixel photon counter (MMPC) silicon photomultiplier (SiPM) detectors placed in a ring that is fully MRI compatible. This brain imager can be placed around the h
Autor:
Andrew G. Weisenberger, Stanislaw Majewski, Alexander Stolin, R. Wojcik, Wenze Xi, James Proffitt, Julie A. Brefczynski-Lewis
Publikováno v:
2011 IEEE Nuclear Science Symposium Conference Record.
We are developing the HelmetPET, a wearable human PET brain imager which has the potential application of evaluating brain function utilizing PET based radiopharmaceuticals in standing, balancing or moving patients. The HelmetPET is composed of two r
Publikováno v:
2011 IEEE Nuclear Science Symposium Conference Record.
We are developing a dedicated high resolution (sub-mm), high efficiency, and very fast (with live reconstruction) prostate PET imager composed of an endorectal PET probe and two PET panel modules placed close to the patient on the opposite side of th