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Tissue Sources Influence the Morphological and Morphometric Characteristics of Collagen Membranes for Guided Bone Regeneration.
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December 2024
Research Center in Dental Sciences (CICO-UFRO), Dental School, Faculty of Dentistry, Universidad de La Frontera, Temuco 4780000, Chile.
(1) Background: Collagen, a natural polymer, is widely used in the fabrication of membranes for guided bone regeneration (GBR). These membranes are sourced from various tissues, such as skin, pericardium, peritoneum, and tendons, which exhibit differences in regenerative outcomes. Therefore, this study aimed to evaluate the morphological and chemical properties of porcine collagen membranes from five different tissue sources: skin, pericardium, dermis, tendons, and peritoneum.
View Article and Find Full Text PDFBiodegradation Assessment of Bioplastic Carrier Bags Under Industrial-Scale Composting Conditions.
Polymers (Basel)
December 2024
Institute of Environmental Sciences, Hungarian University of Agriculture and Life Sciences, Páter Károly u. 1, H-2100 Gödöllő, Hungary.
In recent years, the environmental impacts of plastic production and consumption have become increasingly significant, particularly due to their petroleum-based origins and the substantial waste management challenges they pose. Currently, global plastic waste production has reached 413.8 million metric tons across 192 countries, contributing notably to greenhouse gas emissions.
View Article and Find Full Text PDFRITA Temporary Immersion System (TIS) for Biomass Growth Improvement and Ex Situ Conservation of Erben & Raimondo.
Plants (Basel)
December 2024
Department of Biological and Environmental Sciences and Technologies (Di.S.Te.B.A.), University of Salento, Campus Ecotekne, 73100 Lecce, Italy.
Erben & Raimondo is a rare and endangered taxon, endemic to a limited area on Mount Pizzuta in northwestern Sicily, Italy. Its population is significantly threatened by anthropogenic activities, including fires, overgrazing, and habitat alterations. Temporary immersion systems (TISs) have proven effective for large-scale propagation in various protected species, offering potential for ex situ conservation and population reinforcement of .
View Article and Find Full Text PDFEnhancement of Thermochemical Energy Storage by Alkali Metal Chloride Salts-Doped Ca-Based Sorbents: A Combined DFT and Experimental Study.
Molecules
December 2024
School of Energy and Power Engineering, Northeast Electric Power University, Jilin 132012, China.
In this paper, the enhancement of thermochemical energy storage by alkali metal chloride salts-doped Ca-based sorbents is revealed by experiments and DFT calculations. The results indicate that NaCl and KCl doping increases the reaction rate and cycle stability. Compared to CaO, the conversion of NaCl-CaO and KCl-CaO after one cycle is increased by 59.
View Article and Find Full Text PDFAnalysis of Plasticizer Contamination Throughout Olive Oil Production.
Molecules
December 2024
LAQV/REQUIMTE, Department of Chemistry, NOVA School of Science and Technology, NOVA University Lisbon, 2829-516 Caparica, Portugal.
This study monitored the contamination of 32 plasticizers in olive oil throughout the production and storage process. Samples were collected at different stages of production from three olive oil production lines in distinct regions of Portugal and analyzed for 23 phthalates and 9 phthalates substitutes to identify contamination sources. The developed analytical method employed liquid-liquid extraction with hexane/methanol (1:4, /), followed by centrifugation, extract removal, and freezing as a clean-up step.
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