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Energy-based scatter estimation in clinical PET.
Med Phys
January 2024
Department of Radiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA.
Background: Scatter correction (SC) is essential in PET for accurate quantitative imaging. The state-of-the-art SC method is single-scatter simulation (SSS). Although this method is usually robust and accurate, it can fail in some situations, for example when there is motion between the CT and PET scans in PET/CT.
View Article and Find Full Text PDFAssessment of Cementitious Ceramic Tile Adhesives in the Light of Repeatability and Reproducibility of the Tensile Adhesion Strength Measurements.
Materials (Basel)
June 2023
Research and Development Center, Atlas sp. z o.o., 2 Kilińskiego St., 91-421 Lodz, Poland.
The paper presents the results of tensile adhesion strength measurements of ceramic tile adhesive (CTA) stored in various conditions performed by ten operators in one laboratory using the same equipment and auxiliary materials. The obtained results allowed the authors to estimate the repeatability and reproducibility of the tensile adhesion strength measurement method using the methodology following ISO 5725-2:1994+AC1:2002. Standard deviations of repeatability ranging from 0.
View Article and Find Full Text PDFValidation of EN ISO standard methods 6888 Part 1 and Part 2: 1999--enumeration of coagulase-positive staphylococci in foods.
Int J Food Microbiol
June 2003
Agence Française de Sécurité Sanitaire des Aliments, Laboratoire d'Etudes et de Recherches sur l'Hygiène et la Qualité des Aliments, 41 Rue du 11 Novembre 1918, 94700, Maisons-Alfort, France.
The methods of European and International Organisations for Standardization for the enumeration of coagulase-positive staphylococci (CPS, Staphylococcus aureus and other species) described in EN ISO 6888 Part 1 and Part 2: 1999 were validated by order of the European Commission (Standards, Measurement and Testing Fourth Framework Programme Project SMT4-CT96-2098). EN ISO 6888-1 prescribes the use of Baird-Parker (BP) agar whereas EN ISO 6888-2 prescribes the use of Rabbit Plasma Fibrinogen Agar (RPFA). The objective was to determine the precision of each method in terms of repeatability (r) and reproducibility (R) using three different food types inoculated with various levels of S.
View Article and Find Full Text PDFNew controller for functional electrical stimulation systems.
Med Eng Phys
July 2001
Phillips, Eindhoven, The Netherlands.
A novel, self-contained controller for functional electrical stimulation systems has been designed. The development was motivated by the need to have a general purpose, easy to use controller capable of stimulating many muscle groups, thus restoring complex motor functions (e.g.
View Article and Find Full Text PDFSimulation of low temperature anaerobic digestion of dairy and swine manure.
Bioresour Technol
June 2001
Biosystems Engineering Department, Auburn University and Alabama Agricultural Experiment Station, 36849-5417, USA.
The data reported by L.M. Safley, P.
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