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A novel trimesoyl chloride/hyper branched polyethyleneimine/MOF (MIL-303)/P84 co-polyimide nanocomposite mixed matrix membranes with an ultra-thin surface cross linking layer for removing toxic heavy metal ions from wastewater.
J Hazard Mater
December 2024
Graduate Institute of Applied Science and Technology, Advanced Membrane Materials Research Center, National Taiwan University of Science and Technology, Taipei 10607, Taiwan; R&D Center for Membrane Technology, Chung Yuan University, Chung-Li 32023, Taiwan; Department of Chemical Engineering and Materials Science, Yuan Ze University, Chungli, Taoyuan 32003, Taiwan.
In this study, a positively charged nanofiltration (NF) nanocomposite mixed matrix membrane (MMM) was developed by incorporating metal-organic frameworks (MOFs) (MIL-303) into P84 co-polyimide and cross-linking with hyperbranched polyethyleneimine (HPEI). A very thin selective layer was subsequently formed on the cross-linked membrane surface using trimesoyl chloride (TMC). The incorporation of MIL-303 introduced specific water channels, enhancing the permeance of the nanocomposite MMMs.
View Article and Find Full Text PDFNeural Network-Based Surrogate Modeling for Buckling Performance Optimization of Lightweight-Composite Collapsible Tubular Masts.
Biomimetics (Basel)
August 2024
Department of Astronautical Electrical and Energy Engineering, Sapienza University of Rome, Via Salaria 851-881, 00138 Rome, Italy.
The collapsible tubular mast (CTM) can be compactly folded for transport and deployed in orbit to serve as a key structural element. Once deployed, the CTM is vulnerable to buckling under axial load and bending moments, compromising its load-bearing capacity. The intricate relationship between the CTM's cross-section and its buckling behavior poses a significant challenge for designers.
View Article and Find Full Text PDFComparative effect of ivermectin and amitraz on cellular architecture of ovaries, synganglion and Gené's organ of Rhipicephalus microplus (Acari: Ixodidae).
Parasitol Res
August 2024
Entomology Laboratory, Division of Parasitology, ICAR- Indian Veterinary Research Institute, Bareilly, Uttar Pradesh, 243122, India.
Article Synopsis
- * Findings showed severe deformities in the ovaries, including damaged oocytes and significant vacuolation, which likely hinder reproductive functions and overall survival of the ticks.
- * The results indicate that both drugs affect not just the nervous system but also other critical organs, suggesting potential routes for improving tick control strategies.
A new eye lens structure associated with capsule/basement membrane growth.
MicroPubl Biol
July 2024
Holy Cross Seminary, Auckland, New Zealand.
Eye lens capsules contained a previously overlooked structure possibly derived from the Zonule of Zinn or lens epithelium. Sheep lens capsule inner surface revealed periodic stripes spaced at about 8µm over an area of more than 200µm long and wide. Ultra thin sections of a similar area revealed the periodic insertion of cell feet into the lens capsule with numerous vesicles.
View Article and Find Full Text PDFMaternal exposure to low-dose bisphenol A and its potential neurotoxic impact on male pups: A histological, immunohistochemical, and ultrastructural study.
Tissue Cell
October 2024
Human Anatomy and Embryology, Faculty of Medicine, Zagazig University, 44519, Egypt. Electronic address:
Background: Bisphenol A (BPA) is a widely used chemical with a harmful effect on animal and human. The neonatal and juvenile period is a highly risky neurodevelopmental period.
Aim: This study aimed to determine how male albino rat pups' cerebral cortex was altered by low doses of BPA given to mothers and the role of the oxidative stress.
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