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Experimental Investigation of Durability Properties of Polymer Coated Pumice Aggregate Lightweight Concretes.
Polymers (Basel)
January 2025
Department of Architecture, Art, Design and Architecture Faculty, Düzce University, 81620 Düzce, Türkiye.
Pumice aggregates with low density and high porosity are widely used in lightweight concrete. The high water retention ability of pumice aggregates adversely affects the properties of fresh concrete. Additionally, pumice aggregates' inadequate mechanical strength and durability hinder concrete performance.
View Article and Find Full Text PDF3D printed clear resin stir bar sorptive extraction coupled with high performance liquid chromatography for trace chlorophenols analysis in environmental water samples.
J Chromatogr A
January 2025
Department of Chemistry, Wuhan University, Wuhan 430072, China. Electronic address:
3D printing is an additive manufacturing technology based on digital model files. 3D printing has become a popular manufacturing tool in various fields. Stereolithography offers a series of advantages compared to its counterparts, such as smooth prints, appropriate resolution in all the axes, acceptable organic solvent compatibility and sufficient tightness to the flowing of solutions/solvents at moderate/high pressure.
View Article and Find Full Text PDFEco-Friendly and Green Biochar Sorbent-Extraction Techniques for Pharmaceuticals, Environmental, and Food Analysis-A Review.
J Sep Sci
January 2025
Department of Chemistry, Faculty of Sciences, Erciyes University, Kayseri, Türkiye.
The most important aspect of sorbent-based approaches is the use of a sustainable, readily available, and cost-effective sorbent material for sample analysis. Biochar is an emerging and prominent sorbent material for various applications in sorbent-based techniques due to its availability, affordability, eco-friendly nature, porosity, pore structure, abundance of aliphatic and aromatic carbon structures, and abundant oxygen-containing functional groups. On the basis of the numerous benefits of biochar, this review discusses why biochar is the preferred sorbent in sorptive-based techniques.
View Article and Find Full Text PDFSimple and sensitive monitoring of polycyclic aromatic hydrocarbons in edible oils by polydimethylsiloxane/pyrazine-based hyper-crosslinked polymer coated stir bar sorptive extraction followed by gas chromatography-mass spectrometry detection.
Anal Chim Acta
February 2025
Food Laboratory of Zhongyuan, Luohe, 462000, Henan Province, PR China.
Background: Edible oils are susceptible to contamination with polycyclic aromatic hydrocarbons (PAHs) throughout production, storage, and transportation processes due to their lipophilic nature. The necessity of quantifying PAHs present in complex oil matrices at trace levels, which bind strongly to impurities in oil matrices, poses a major challenge to the accurate quantification of these contaminants. Therefore, the development of straightforward and effective methods for the separation and enrichment of PAHs in oil samples prior to instrumental analysis is paramount to guaranteeing food safety.
View Article and Find Full Text PDFCorrelating Microbial Dynamics with Key Metabolomic Profiles in Three Submerged Culture-Produced Vinegars.
Foods
December 2024
Department of Agricultural Chemistry, Edaphology, and Microbiology, Microbiology Area, Agrifood Campus of International Excellence ceiA3, University of Córdoba, 14014 Córdoba, Spain.
Although vinegar is a product obtained by a well-known bioprocess from a technical point of view, the complex microbiota responsible for its production and their involvement in the organoleptic profiles are not clear yet. In this work, three acetification profiles in submerged culture using both synthetic and raw materials from Andalusia (Spain) were characterized by metagenomic (16S rRNA amplicon sequencing) and metabolomic tools (stir-bar sorptive extraction with thermo-desorption coupled to gas chromatography-mass spectrometry (SBSE-TD-GC-MS) and high-performance liquid chromatography (HPLC)). A total of 29 phyla, 208 families, and many more genera were identified, comprising bacteria and archaea as well as 75 metabolites, including minor volatile compounds, amino acids, biogenic amines, and other nitrogenous compounds.
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