Zobrazeno 1 - 10
of 125
pro vyhledávání: '"P.P. Antich"'
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 480:782-787
Anoveltechniquehasbeendevelopedandtestedforthethree-dimensionalmeasurementofpositioninSPECT-PETdetectors.Resultsarepresentedfor2and20mmthickNaI(Tl)planarcrystals.Inaplaneofcrystal,acoordinateresolutionofabout1mm(rmserror)isdemonstrated.Thedepthofinte
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 441:551-557
This study is based on test results of 30 LSO samples produced by the POLUS Research Institute in Moscow, Russia, for the University of Texas Southwestern Medical Center at Dallas. Samples were produced by the Czochralsky and the modified Musatov met
Autor:
Matthew A. Lewis, G. Thambi, Anca Constantinescu, Padmakar V Kulkarni, E. Tsyganov, Gary Arbique, Billy Smith, Amar Raheja, P.P. Antich, Robert W. Parkey, Johann L. Fernando, Thanh D. Nguyen, J. W. Durkee
Publikováno v:
Physics in Medicine and Biology. 43:2949-2974
An electronic collimation technique is developed which utilizes the chi-square goodness-of-fit measure to filter scattered gammas incident upon a medical imaging detector. In this data mining technique, Compton kinematic expressions are used as the c
Autor:
P.P. Antich, Anca Constantinescu, Robert W. Parkey, Ervin J. Fenyves, Johann L. Fernando, Leonard F. Mausner, Roy C. Chaney, John O. Prior, Jon A. Anderson, Padmakar V. Kulkarni, Y. Zhang, N. C. Goomer, S.C. Srivastava
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 79:921-925
A small animal imaging camera was built in our laboratory, using-fast plastic scintillating detectors ( τ = 2–4 ns) and position sensitive photomultipliers (Hamamatsu) digitized using flash ADCs. Pinhole collimators were used for 125 I imaging to
Publikováno v:
Bioorganic & Medicinal Chemistry Letters. 3:187-192
Fluorinated polymeric molecular probes have been synthesized and characterized for non invasive assessment of pH with 19F Magnetic Resonance Spectroscopy (19F MRS). 3-Fluorosalicyl-aldehyde (3-FSA) has been employed as a prototype 19F pH indicator to
Stimulated positron emission analysis techniques for the quantitative assessment of fluorine in bone
Autor:
Padmakar V. Kulkarni, P.P. Antich, Ervin J. Fenyves, Roy C. Chaney, F.H. Tuley, Jon A. Anderson, Robert W. Parkey, John O. Prior
Publikováno v:
IEEE Transactions on Nuclear Science. 38:713-718
The use of nuclear photoactivation in conjunction with positron emission analysis techniques to quantify the spatial distribution of elements in bone is considered. A realistic model of bone composition and a simplified model of bremsstrahlung spectr
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 297:514-520
We report on the initia development and testing of a Compton telescope that is composed of scintillating fibers and position sensitive photomultiphers. Initial tests of the telescope result in a 17.5 mrad (rms) angular resolution for 1.2 MeV photons
Publikováno v:
Journal of Macromolecular Science, Part C. 30:441-490
Modecular transport of drugs through carier polymeric materds has been an active area of research. A number of soluble polymers have been used to deliver the drugs selectively to specific parts of the body. The literature in this area of research is
Publikováno v:
2007 IEEE Dallas Engineering in Medicine and Biology Workshop.
We describe in details the materials and methods used to construct, calibrate and evaluate tissue phantoms and light sources; we describe the method for acquiring the data and present quantitative results for light intensity reconstruction using the
Autor:
A.I. Zinchenko, Nikolai V Slavine, P.P. Antich, Matthew A. Lewis, E. Tsyganov, S. Seliounine, Robert W. Parkey, Ralph P. Mason, Padmakar V. Kulkarni, Orhan K. Öz
Publikováno v:
Small-Animal Spect Imaging ISBN: 9780387251431
A small-animal PET imaging device has been developed at the University of Texas Southwestern Medical Center at Dallas using scintillating 1-mm round BCF10 fibers and small admixture of CsF microcrystals between the fibers [Antich, 1990, Atac, 1991, F
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d8d684bcf646e22114713bcc0b88a5bf
https://doi.org/10.1007/0-387-25294-0_8
https://doi.org/10.1007/0-387-25294-0_8