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Growth and metabolic functions of Schizolobium amazonicum subjected to nickel doses.
Braz J Biol
January 2025
Universidade Federal Rural da Amazônia - UFRA, Belém, PA, Brasil.
Anthropic activities such as industries, agriculture and mining has generated public concern for its numerous irregular disposals of its waste, the incorrect deposition of heavy metals such as nickel (Ni) has caused the degradation and contamination of groundwater and water. Studies that point out cheap and efficient solutions have been an obstacle to the advancement of solutions for degraded area recovery programs. For this, a vegetable home experiment was developed, with an entirely randomized design with 5 treatments being a control (no metal) and 4 nickel concentrations (200 μM/L; 400 μM/L; 600 μM/L and 800 μM/L) with 6 repetitions.
View Article and Find Full Text PDFReconstructing prehistoric lifeways using multi-Isotope analyses of human enamel, dentine, and bone from Legaire Sur, Spain.
PLoS One
January 2025
Archaeology, Environmental Changes and Geo-Chemistry, Vrije Universiteit Brussel, Belgium.
Megalithism has been repetitively tied to specialised herding economies in Iberia, particularly in the mountainous areas of the Basque Country. Legaire Sur, in the uplands of Álava region, is a recently excavated passage tomb (megalithic monument) that held a minimum number of 25 individuals. This study analysed the carbon, nitrogen, oxygen, and strontium isotope ratios of 18 individuals, in a multi-tissue sampling study (successional tooth enamel sampling, incremental dentine sampling, and bulk bone collagen sampling).
View Article and Find Full Text PDFModeling of parameters affecting the removal of chromium using polysulfone/graphene oxide membrane via response surface methodology.
Environ Monit Assess
January 2025
School of Metallurgy and Environment, Central South University, Changsha, 410083, Hunan, China.
In this study, an efficient membrane composed of polysulfone and graphene oxide was developed and evaluated for its efficacy in chromium adsorption. Characterization of the synthesized membrane involved comprehensive analyses including scanning electron microscopy (SEM), transmission electron microscopy (TEM), thermogravimetric analysis (TGA) and Fourier-transform infrared spectroscopy (FTIR) to assess its structural properties. Subsequently, the membrane's performance in removing chromium from aqueous solutions was scrutinized, considering key operational parameters.
View Article and Find Full Text PDFModelling host-pathogen interactions: as a platform to study response to host-imposed zinc starvation.
Microbiology (Reading)
January 2025
Department of Biology, Tor Vergata University of Rome, Rome, Italy.
Nutritional immunity, a key component of the vertebrate innate immune response, involves the modulation of zinc availability to limit the growth of pathogens. counteracts host-imposed zinc starvation through metabolic adaptations, including reprogramming of gene expression and activating efficient metal uptake systems. To unravel how zinc shortage contributes to the complexity of bacterial adaptation to the host environment, it is critical to use model systems that mimic fundamental features of -related diseases in humans.
View Article and Find Full Text PDFA cross-sectional study on improving clinical efficiency through centralized digital impression.
Hua Xi Kou Qiang Yi Xue Za Zhi
February 2025
Center of Stomatology, Peking University Shenzhen Hospital, Shenzhen 518036, China.
Objectives: This study aims to explore the effect of improving clinical efficiency by replacing traditional impression workflow with centralized digital impression workflow.
Methods: The department of prosthodontics in Center of Stomatology, Peking University Shenzhen Hospital has improved the clinical workflow by replacing the traditional impression made by doctors using impression materials for each patient with a centralized digital impression made by one technician for all patients in the department. This cross-sectional study recorded the chairside time required for impression taking in patients undergoing single posterior zirconia full crown restoration before clinical process improvement; the time required for centralized digital impression production; the comfort level of patients; and the adjacency relationship, occlusal contact relationship, and time required for prostheses adjusting (i.
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