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Incidental nanoparticle characterisation in industrial settings to support risk assessment modelling.
Int J Hyg Environ Health
January 2025
Institute of Environmental Assessment and Water Research - Spanish Research council (IDAEA-CSIC), Barcelona, 08034, Spain; Spanish Ministry of Ecological Transition, Pollution Prevention Unit, Pza. San Juan de la Cruz 10, 28071, Madrid, Spain.
Research on nanoparticle (NP) release and potential exposure can be assessed through experimental field campaigns, laboratory simulations, and prediction models. However, risk assessment models are typically designed for manufactured NP (MNP) and have not been adapted for incidental NP (INP) properties. A notable research gap is identifying NP sources and their chemical, physical, and toxicological properties, especially in real-world settings.
View Article and Find Full Text PDFA systematic study on composition and antioxidant of 6 varieties of highbush blueberries by 3 soil matrixes in China.
Food Chem
January 2025
Engineering Center of Genetic Breeding and Innovative Utilization of Small Fruits of Jilin Province, Changchun, Jilin 130118, China; College of Horticulture, Jilin Agricultural University, Changchun, Jilin 130118, China. Electronic address:
Blueberries are the most popular small berries, in order to solve the problem of unbalanced blueberry resources in different regions of China. In this study, 18 blueberries were analyzed by chromatography and mass spectrometry for 9 soil elements, 6 anthocyanins, 7 phenolic acids, 9 organic acids, and 12 flavonoids. The result showed that blueberry physico-chemical indicators were significantly variable across production regions by Wenn and volcano maps, chlorogenic acid, ascorbic acid, citric acid, catechin were the main antioxidant active components, soil pH was significantly correlated with low content of anthocyanins and organic acids, soil elements were not significantly correlated with fruits antioxidant activity by the network correlation analysis.
View Article and Find Full Text PDFDevelopment and Characterization of Lyophilized Chondroitin Sulfate-Loaded Solid Lipid Nanoparticles: Encapsulation Efficiency and Stability.
Pharmaceutics
January 2025
Pharmacy, Pharmaceutical Technology and Physico-Chemical Department, University of Barcelona, Av. Joan XXIII, 27-31, 08028 Barcelona, Spain.
This study explores the development and characterization of lyophilized chondroitin sulfate (CHON)-loaded solid lipid nanoparticles (SLN) as an innovative platform for advanced drug delivery. Solid lipid nanoparticles are increasingly recognized for their biocompatibility, their ability to encapsulate diverse compounds, their capacity to enhance drug stability, their bioavailability, and their therapeutic efficacy. CHON, a naturally occurring glycosaminoglycan with anti-inflammatory and regenerative properties, was integrated into SLN formulations using the hot microemulsion technique.
View Article and Find Full Text PDFOptimisation of Using Low-Grade Kaolinitic Clays in Limestone Calcined Clay Cement Production (LC3).
Materials (Basel)
January 2025
Instituto Universitario de Investigación de Ciencia y Tecnología del Hormigón (ICITECH), Universitat Politècnica de València, 46022 Valencia, Spain.
LC3 (limestone calcined clay cement) is poised to become the construction industry's future as a so-called low-carbon-footprint cement. Research into this subject has determined the minimum kaolinite content in calcined clays to guarantee good mechanical performance. This study examines the use of clay from the Valencian Community (Spain), which has a lower kaolinite content than the recommended amount (around 30%) for use in LC3 and how its performance can be enhanced by replacing part of that clay with metakaolin.
View Article and Find Full Text PDFCholesterol Attenuates the Pore-Forming Capacity of CARC-Containing Amphipathic Peptides.
Int J Mol Sci
January 2025
A. N. Belozersky Institute of Physico-Chemical Biology, M. V. Lomonosov Moscow State University, Leninskie Gory 1, Bld. 40, Moscow 119992, Russia.
Artificial peptides P4, A1 and A4 are homologous to amphipathic α-helical fragments of the influenza virus M1 protein. P4 and A4 contain the cholesterol recognition sequence CARC, which is absent in A1. As shown previously, P4 and A4 but not A1 have cytotoxic effects on some eukaryotic and bacterial cells.
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