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Bacterial contamination of new dental unit waterlines and efficacy of shock disinfection.
BMC Microbiol
December 2024
Université de Lorraine, Faculté d'odontologie, 54500, Vandœuvre-Lès-Nancy, France.
Background: Bacterial contamination of outlet water from dental unit waterlines (DUWLs) may lead to healthcare-associated infection. The aim of this study was to evaluate the contamination of DUWLs from new dental chairs before and after their initial shock disinfection with ICX Renew® and to determine the efficacy of this method of shock disinfection.
Methods: The microbiological quality of water samples obtained from the DUWLs of 17 new dental chairs installed at the University Hospital of Nancy, France, was assessed.
Surface activity, kinetics, thermodynamics and comparative study of adsorption of selected cationic and anionic dyes onto HPO-functionalized bagasse from aqueous stream.
Environ Sci Pollut Res Int
October 2023
Surface Science Laboratory, Department of Chemistry, School of Physical and Decision Science, Babasaheb Bhimrao Ambedkar University (A Central University), Lucknow, Uttar Pradesh, 226025, India.
The discharge of dyes into the water body creates toxicity to aquatic organisms because of their aromatic structure and difficult degradation. So, the treatment of dye-contaminated wastewater is required before releasing it. In the present study, thermally treated (600 °C) and HPO (55%)-functionalized bagasse, henceforth called thermochemically activated bagasse (TCAB), was synthesized as potential adsorbent for the effective removal of selected cationic and anionic dyes from their aqueous stream.
View Article and Find Full Text PDFPrevention of mother-to-child transmission of hepatitis B virus: protocol for a one-arm, open-label intervention study to estimate the optimal timing of tenofovir in pregnancy.
BMJ Open
September 2020
Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.
Introduction: Hepatitis B virus (HBV) remains a public health threat and the main route of transmission is from mother to child (MTCT). Tenofovir disoproxil fumarate (TDF) treatment can reduce MTCT of HBV although the optimal timing to attain undetectable HBV DNA concentrations at delivery is unknown. This protocol describes the procedures following early initiation of maternal TDF prior to 20 weeks gestation to determine efficacy, safety and feasibility of this approach in a limited-resource setting.
View Article and Find Full Text PDFEngaging Frontline Staff in Performance Improvement: The American Organization of Nurse Executives Implementation of Transforming Care at the Bedside Collaborative.
Jt Comm J Qual Patient Saf
February 2016
Armstrong Institute for Patient Safety and Quality, Johns Hopkins Medicine, USA.
Background: Process improvement stresses the importance of engaging frontline staff in implementing new processes and methods. Yet questions remain on how to incorporate these activities into the workday of hospital staff or how to create and maintain its commitment. In a 15-month American Organization of Nurse Executives collaborative involving frontline medical/surgical staff from 67 hospitals, Transforming Care at the Bedside (TCAB) was evaluated to assess whether participating units successfully implemented recommended change processes, engaged staff, implemented innovations, and generated support from hospital leadership and staff.
View Article and Find Full Text PDFDevelopmental neurotoxicity of 3,3',4,4'-tetrachloroazobenzene with thyroxine deficit: Sensitivity of glia and dentate granule neurons in the absence of behavioral changes.
Toxics
September 2014
Department of Pathology & Cell Biology, University of South Florida School of Medicine, Tampa, FL ; Stereology Resource Center, Tampa, FL.
Thyroid hormones (TH) regulate biological processes implicated in neurodevelopmental disorders and can be altered with environmental exposures. Developmental exposure to the dioxin-like compound, 3,3',4,4'-tetrachloroazobenzene (TCAB), induced a dose response deficit in serum T4 levels with no change in 3,5,3'- triiodothyronine or thyroid stimulating hormone. Female Sprague-Dawley rats were orally gavaged (corn oil, 0.
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