Islamic Azad University Medical Branch of Tehran

Analytical determination of contamination depth of 137 Cs point sources in reactor building walls

Abstract The presence of radioactive contamination in concrete structures poses a silent yet serious threat to both environmental safety and public health. Such contamination, if not properly localized, can lead to prolonged radiation exposure, difficulties in decommissioning, an...

Plasma p-tau217 as a two-cutoff approach to improve tau-PET screening and trial recruitment in Alzheimer’s disease

Abstract Blood-based biomarkers could broaden access to Alzheimer’s disease diagnostics, but their ability to approximate tau PET, and to address gray-zone results, remains uncertain. We evaluated plasma p-tau217 against tau PET using a harmonized ADNI baseline cohort and an inde...