Results 91 to 100 of about 50,958 (240)

Number of foci of functioning thyroid tissue remaining after thyroidectomy for differentiated thyroid cancer: Institutional experience

World Journal of Nuclear Medicine, 2017
Radioiodine imaging of the neck with a pinhole collimator (PinC) is frequently performed in differentiated thyroid cancer (DTC) patients for visualizing individual, and a total number of foci (NOF) of functioning residual thyroid tissue (FRTT) within the
Kanchan Kulkarni, Gauri Khorjekar, Mihriye Mete, Douglas Van Nostrand   +3 more
doaj   +1 more source

Monte Carlo evaluation of scattering correction methods in ¹³¹I studies using pinhole collimator

Nucleus, 2017
Scattering is quite important for image activity quantification. In order to study the scattering factors and the efficacy of 3 multiple window energy scatter correction methods during 131I thyroid studies with a pinhole collimator (5 mm hole) a Monte ...
Adlin López Díaz, Sunay Rodríguez Pérez, Angelina Díaz García, Aley Palau San Pedro, Juan Miguel Martín Escuela   +4 more
doaj  

Performance assessment of the single photon emission microscope: high spatial resolution SPECT imaging of small animal organs

Brazilian Journal of Medical and Biological Research, 2013
The single photon emission microscope (SPEM) is an instrument developed to obtain high spatial resolution single photon emission computed tomography (SPECT) images of small structures inside the mouse brain.
J. Mejia, M.A. Reis, A.C.C. Miranda, I.R. Batista, M.R.F. Barboza, M.C. Shih, G. Fu, C.T. Chen, L.J. Meng, R.A. Bressan, E. Amaro Jr   +10 more
doaj   +1 more source

A Geant4-based Monte Carlo study of a benchtop multi-pinhole X-ray fluorescence computed tomography imaging

International Journal of Nanomedicine, 2018
Luzhen Deng,1,2 Biao Wei,1 Peng He,1,3 Yi Zhang,4 Peng Feng1,3 1Key Laboratory of Optoelectronics Technology and System, Chongqing University, Ministry of Education, Chongqing 400044, China; 2Department of Radiation Physics, The University of Texas MD ...
Deng L, Wei B, He P, Zhang Y, Feng P
doaj  

Neutron instrument concepts for a high intensity moderator at the European spallation source

Scientific Reports
In the course of the Horizon 2020 project HighNESS, a second moderator concept has been developed for the European Spallation Source, which complements the currently built moderator and is optimized for high intensity with a large viewable surface area ...
Stavros Samothrakitis, Mads Bertelsen, Peter K. Willendrup, Erik B. Knudsen, Camilla B. Larsen, Nicola Rizzi, Luca Zanini, Valentina Santoro, Markus Strobl   +8 more
doaj   +1 more source

Three-Dimensional Visualization of the Scattered Radiation Sources and Evaluation of Radiation Protection Measures in Cardiac Angiography

Applied Sciences
Physicians performing cardiac angiography are exposed to scattered radiation originating from the patient, and visualizing scattered radiation sources could help optimize radiation protection strategies.
Natsumi Kamochi, Toshioh Fujibuchi, Donghee Han, Hitoshi Miyazaki   +3 more
doaj   +1 more source

MOXE: An X-ray all-sky monitor for Soviet Spectrum-X-Gamma Mission [PDF]

, 1989
A Monitoring Monitoring X-Ray Equipment (MOXE) is being developed for the Soviet Spectrum-X-Gamma Mission. MOXE is an X-ray all-sky monitor based on array of pinhole cameras, to be provided via a collaboration between Goddard Space Flight Center and Los ...
Fenimore, E. E., Holt, S. S., Kelley, R. L., Moss, C. E., Priedhorsky, W.   +4 more
core   +1 more source

Precision stellar radial velocity measurements with FIDEOS at the ESO 1-m telescope of La Silla

, 2018
We present results from the commissioning and early science programs of FIDEOS, the new high-resolution echelle spectrograph developed at the Centre of Astro Engineering of Pontificia Universidad Catolica de Chile, and recently installed at the ESO 1m ...
Brahm, R., Espinoza, N., Flores, M., Jones, M., Jordan, A., Pinto, M. Tala, Ramirez, S., Ropert, S., Rukdee, S., Shen, T., Suc, V., Vanzi, L., Zapata, A.   +12 more
core   +1 more source

Scientific tradeoffs in pinhole/occulter facility accommodation [PDF]

The Pinhole/Occulter Facility (P/OF) consists of state-of-the-art instruments for the study of particle acceleration in the solar corona, and uses a large structure to obtain very high angular resolution.
Hudson, Hugh S.
core   +1 more source

Recent Development of SANS BATAN Spectrometer (SMARTer) in Serpong for Simultaneous and Automatic Measurements

Atom Indonesia, 2013
The 36 meter SANS BATAN spectrometer (SMARTer) in Serpong Indonesia has been developed for simultaneous and automatic measurements. The existing motor controller of ISA (Industry Standard Architecture) interface was replaced by the programmable motor ...
E.G.R. Putra, Bharoto, N. Suparno, Sairun, E. Santoso   +4 more
doaj