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Background: Effectiveness of restricting healthcare providers (HCPs) from working based on the coronavirus disease 2019 (COVID-19)-like symptoms should be evaluated.
Methods: A total of 495 HCPs in a tertiary care hospital in Tokyo, Japan, participated in this study between June and July in 2020. Analysis of serum anti-severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) antibody to identify infected HCPs, questionnaire surveys, and medical record reviews were conducted to evaluate the appropriateness of symptom-based work restriction for 10 days.
Results: Five participants (1.0%) were identified as infected. Forty-six participants (9.3%) experienced work restriction and all 5 infected participants (10.8%) restricted working, even though the real-time reverse transcription-polymerase chain reaction was positive only in 4 participants (80.0%). There were no unexpectedly infected participants among those who did not experience work restriction. However, only 46 of 110 HCPs with COVID-19-like symptoms (41.8%) restricted themselves from working.
Discussion: Symptom-based work restriction strategy successfully prevented infected HCPs to work, but showed low specificity to identify truly infected HCPs, and their low adherence to the strategy was revealed.
Conclusions: HCPs with COVID-19-like symptoms should restrict working as the first step of infection prevention, but the strategy to identify truly infected HCPs is necessary.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8653401 | PMC |
http://dx.doi.org/10.1016/j.ajic.2021.11.029 | DOI Listing |
Luminescence
September 2025
Beijing Key Laboratory of Energy Conversion and Storage Materials, Beijing, China.
A novel aggregation-induced emission (AIE) system with superior performance was successfully developed through local chemical modification from thiophene to thiophene sulfone. This approach, leveraging easily accessible tetraphenylthiophene precursors, dramatically enhances the photophysical properties in a simple oxidation step. Notably, the representative 2,3,4,5-tetraphenylthiophene sulfone (3c) demonstrates remarkable solid-state emission characteristics with a fluorescence quantum yield of 72% and an AIE factor of 240, substantially outperforming its thiophene analog.
View Article and Find Full Text PDFSex Reprod Health Matters
September 2025
Senior Research Scientist, Guttmacher Institute, New York, United States.
Since the release of the Supreme Court decision in June 2022, researchers have been working to better understand the impact that the growing number of abortion restrictions are having on the provision of and access to abortion services in the United States (US). Less is known about the impact of abortion restrictions on the provision of sexual and reproductive health (SRH) services more broadly, including at clinics that do not directly offer abortion. Between November 2023 and February 2024, we conducted interviews with SRH managers, clinic managers, and other administrators at publicly funded SRH clinics around the US to generate evidence on the effects of state-level abortion restrictions on the provision of abortion and related services, such as pregnancy options counselling and abortion referrals, at facilities providing contraceptive services.
View Article and Find Full Text PDFJ Hazard Mater
August 2025
Univ. Rennes, CNRS, Géosciences Rennes - UMR 6118, F-, Rennes 35000, France.
The increasing presence of nanoplastics (NPs) in terrestrial environments raises concerns about their bioavailability and potential impacts on crops. This study investigates the uptake and translocation of environmentally relevant polystyrene nanoplastics (eNPs-PS) in Hordeum vulgare L. via soil.
View Article and Find Full Text PDFAnal Chim Acta
November 2025
Laser Spectroscopy Lab, Department of Physics, University of Agriculture Faisalabad, 38090, Pakistan. Electronic address:
Background: Classification of rose species and verities is a challenging task. Rose is used worldwide for various applications, including but not restricted to skincare, medicine, cosmetics, and fragrance. This study explores the potential of Laser-Induced Breakdown Spectroscopy (LIBS) for species and variety classification of rose flowers, leveraging its advantages such as minimal sample preparation, real-time analysis, and remote sensing.
View Article and Find Full Text PDFAnal Chim Acta
November 2025
College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao, 266109, China. Electronic address:
Background: The separation of structural isomers is always a challenging task for liquid chromatography because of their similar physicochemical property. Research has found that materials with regular microporous structures exhibit excellent isomer separation performance. However, as the most easily available chromatographic material, silica stationary phases with regular and small mesopore structure have not yet been prepared, and it remains to be confirmed whether narrow pores in silica materials have the enhancing effect on shape selectivity in the separation of structural isomers.
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