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Compound Optimal Design for Online Item Calibration Under the Two-Parameter Logistic Model.
Appl Psychol Meas
January 2025
School of Computer and Information Engineering, Jiangxi Normal University, Nanchang, China.
Under the theory of sequential design, compound optimal design with two optimality criteria can be used to solve the problem of efficient calibration of item parameters of item response theory model. In order to efficiently calibrate item parameters in computerized testing, a compound optimal design is proposed for the simultaneous estimation of item difficulty and discrimination parameters under the two-parameter logistic model, which adaptively focuses on optimizing the parameter which is difficult to estimate. The compound optimal design using the acceptance probability can provide ability design points to optimize the item difficulty and discrimination parameters, respectively.
View Article and Find Full Text PDFTwo-stage diffuse fluorescence tomography for monitoring of drug distribution in photodynamic therapy of tumors.
J Biomed Opt
January 2025
Lund University, Department of Physics, Lund, Sweden.
Significance: The spatial distribution of the photosensitizing drug concentration is an important parameter for predicting the photodynamic therapy (PDT) outcome. Current diffuse fluorescence tomography methods lack accuracy in quantifying drug concentration. The development of accurate methods for monitoring the temporal evolution of the drug distribution in tissue can advance the real-time light dosimetry in PDT of tumors, leading to better treatment outcomes.
View Article and Find Full Text PDFGlobal infectious disease surveillance: bridge a 30-metre gap between the International Civil Aviation Organization and the World Anti-Doping Agency.
J Glob Health
January 2025
Department of Flight Standards, Civil Aviation Administration of China, Beijing, China.
The global aviation industry faced unprecedented challenges during the COVID-19 pandemic. As a result, the international civil aviation industry now has strong incentives to prevent and control future pandemics. It is almost unbelievable that the headquarters of the International Civil Aviation Organization (ICAO) is located right next to the headquarters of the World Anti-Doping Agency (WADA).
View Article and Find Full Text PDFIs Bone Cement Implantation Syndrome Actually Caused by Cement? A Systematic Review of the Literature Using the Bradford-Hill Criteria.
J Arthroplasty
January 2025
Department of Orthopaedic Surgery, University of Virginia, 2280 Ivy Road, Charlottesville, VA, 22903, United States of America.
Introduction: Debate surrounding the use of cemented femoral components in hip arthroplasty persists. A proposed risk of cement fixation is bone cement implantation syndrome (BCIS), a phenomenon characterized by intraoperative hypotension, hypoxia, and/or cardiovascular collapse. The purpose of this study was to analyze the literature to determine if enough evidence exists to support a causal relationship between cement and BCIS.
View Article and Find Full Text PDFMagnetic beads-based double-stranded DNA fluorescent aptasensor biosensor for deoxynivalenol detection.
Food Chem
January 2025
Institute for Agro-food Standards and Testing Technology, Shanghai Academy of Agricultural Sciences, 1000 Jingqi Road, Shanghai 201403, China. Electronic address:
Deoxynivalenol (DON) is one of the most harmful mycotoxins that poses great health threats to human and animals. Herein, a simple and sensitive magnetic beads-based fluorescent biosensor was successfully prepared for detection of DON in cereals. A stable double-stranded DNA (dsDNA, biotin-sDNA+FAM-cDNA/AP) was formed on the surface of streptavidin-coated magnetic beads (SMBs).
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