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Steam washing for MSWI-FA treatment.
Waste Manag
January 2025
Earth Sciences Department, University of Turin 10125 Turin, Italy.
This study investigates steam washing (SW) as an innovative pretreatment for municipal solid waste incineration fly ash (MSWI-FA) dechlorination, useful for a more effective stabilization in cementitious matrix. By using a detailed analytical approach (XRPD, XRF, ICP-MS, IRMS, SEM) and geochemical modeling, great focus is dedicated on pollutant leaching reduction and changes in ash physicochemical characteristics as a function of exposure time. The research demonstrates that SW removes up to 70 % cadmium, 17 % zinc, and 10 % lead, primarily by dissolving the soluble and carbonate/hydroxide fractions and promoting the reprecipitation and adsorption of heavy metals into more stable compounds.
View Article and Find Full Text PDFOxylipin dynamics in dairy cows during clinical ketosis and after treatment with niacin and flunixin meglumine.
JDS Commun
January 2025
Department of Large Animal Clinical Sciences, College of Veterinary Medicine, Michigan State University, East Lansing, MI 48824.
Dairy cows with clinical ketosis (CK) exhibit metabolic changes, including intense adipose tissue (AT) lipolysis and systemic insulin resistance, that increase plasma BHB and free fatty acids (FFA). Cows with CK also have systemic inflammation, predisposing them to inflammatory and infectious diseases. This inflammatory process is modulated in part by oxidized fatty acids (oxylipins) that regulate all aspects of inflammation.
View Article and Find Full Text PDFChewing-Activated TRPV4/PIEZO1--Zn Axes in a Rat Periodontal Complex.
J Dent Res
January 2025
Department of Preventive and Restorative Dental Sciences, School of Dentistry, University of California, San Francisco, CA, USA.
The upstream mechanobiological pathways that regulate the downstream mineralization rates in periodontal tissues are limitedly understood. Herein, we spatially colocalized and correlated compression and tension strain profiles with the expressions of mechanosensory ion channels (MS-ion) TRPV4 and PIEZO1, biometal zinc, mitochondrial function marker (), cell senescence indicator (), and oxygen status marker hypoxia-inducible factor-1α () in rats fed hard and soft foods. The observed zinc and related cellular homeostasis in vivo were ascertained by TRPV4 and PIEZO1 agonists and antagonists on human periodontal ligament fibroblasts ex vivo.
View Article and Find Full Text PDFThe effect of single versus group culture on cumulus-oocyte complexes from early antral follicles.
J Assist Reprod Genet
January 2025
Department of Veterinary Medicine, University of Sassari, Via Vienna 2, Sassari, Italy.
Purpose: This study aimed to evaluate the effectiveness of single versus group culture strategies for cumulus-oocyte complexes (COCs) derived from early antral follicles (EAFs), with the goal of optimizing culture conditions to increase oocyte availability for assisted reproductive technologies.
Methods: COCs isolated from EAFs (350-450 µm) from sheep ovaries were cultured in TCM199 medium supplemented with 0.15 µg/mL Zn as zinc sulfate, 10 IU/mL FSH, 10 ng/mL estradiol, 50 ng/mL testosterone, 50 ng/mL progesterone, and 5 µM Cilostamide.
Geochemical signatures and nanomechanical properties of echinoid tests from nearshore habitats of Florida: environmental and physiological controls on echinoid biomineralization.
PeerJ
January 2025
Florida Museum of Natural History, University of Florida, Gainesville, FL, United States of America.
The mechanisms that regulate minor and trace element biomineralization in the echinoid skeleton can be primarily controlled biologically (, by the organism and its vital effects) or by extrinsic environmental factors. Assessing the relative role of those controls is essential for understanding echinoid biomineralization, taphonomy, diagenesis, and their potential as geochemical archives. In this study, we (1) contrast geochemical signatures of specimens collected across multiple taxa and environmental settings to assess the effects of environmental and physiological factors on skeletal biomineralogy; and (2) analyze the nanomechanical properties of the echinoid skeleton to assess potential linkages between magnesium/calcium (Mg/Ca) ratios and skeletal nanohardness.
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