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Development of a nano-specific safe-by-design module to identify risk management strategies.
Ann Work Expo Health
December 2024
TNO Research Group Risk Analysis for Prevention, Innovation and Development, Princetonlaan 6, PO Box 80015, Utrecht 3584 CB, The Netherlands.
This article describes the development of a Safe-by-Design (SbD) module and its integration into an easy-to-use tool, named the Nano Exposure Quantifier-Safe-by-Design (NEQ-SbD) tool. The NEQ-SbD tool guides its user to lower the exposure to nanomaterials at the worksite where nanomaterials are manipulated or handled during a wide range of activities. This allows the tool user with an informed decision to assess airborne exposure and to select, compare, and identify appropriate risk management measures (RMM).
View Article and Find Full Text PDFOccupational exposure to carcinogenic wood dust in two Italian biomass power plants.
Arh Hig Rada Toksikol
December 2024
Pio XI Hospital, Clinical Unit of Occupational Health, Desio, Italy.
In this study we monitored exposure to airborne dust in workers performing various tasks at two biomass-fuelled thermal power plants (27 and 46 MW) over six years. The plants are mainly fuelled by forest wood chips and, to a lesser extent, by agro-food products, with annual consumption of about 300 and 450 kt. We focused on inhalable wood dust because of its potential carcinogenicity to humans.
View Article and Find Full Text PDFExposure assessment to fine and ultrafine particulate matter during welding activity in the maintenance shop of a steelmaking factory.
Heliyon
December 2024
Unit of Occupational Health and Industrial Hygiene, Department of Medical and Surgical Specialties, Radiological Sciences and Public Health, University of Brescia, 25121, Brescia, Italy.
Unlabelled: Welding fumes are a main source of occupational exposure to particulate matter (PM), besides gases and ultraviolet radiations, that involves millions of operators worldwide and is related to several health effects, including lung cancer. Our study aims to evaluate the exposure to fine and ultrafine airborne particulate in welding operators working in a steel making factory.In October 2019, air monitoring was performed for four days in five different welding scenarios and in the external area of a steelmaking factory to assess the exposure to airborne particles, ultrafine (UFP) particulate and inhalable fraction, during welding activities.
View Article and Find Full Text PDFSelf-crystal electret poly(lactic acid) nanofibers for high-flow air purification and AI-assisted respiratory diagnosis.
J Hazard Mater
December 2024
School of Materials Science and Physics, China University of Mining and Technology, Xuzhou 221116, China; Jiangsu Engineering Research Center of Dust Control and Occupational Protection, Xuzhou 221008, China; College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Chengdu 610065, China. Electronic address:
Particulate matters (PMs), one of the major airborne pollutants, continue to seriously threaten human health and the environment. Here, a self-crystal-induced electret enhancement (SCIEE) strategy was developed to promote the in-situ electret effect and polarization properties of electrospun poly(L-lactic acid) (PLLA) nanofibers. The strategy specifically involved the elaborate pre-structuring of stereocomplex crystals (SCs) with uniform dimensions (∼300 nm), which were introduced into PLLA electrospinning solution as the electrets and physical cross-linking points of high density.
View Article and Find Full Text PDFZein-based nanostructured coatings: A green approach to enhance virucidal efficacy of protective face masks.
Int J Biol Macromol
December 2024
Institute for Polymers, Composites and Biomaterials (IPCB-CNR), National Research Council, Piazzale E. Fermi 1, 80055 Portici, Naples, Italy.
Face masks represent a valuable tool to prevent the spreading of airborne viruses; however, they show poor comfort and scarce antiviral efficacy. Zein-based coatings are herein exploited to enhance antiviral performance. Zein functionalization is done through acidifying agents (lactic acid, LA).
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