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Finite element investigation for improving chest wall reconstruction process using ceramic and polymeric implants.
Sci Rep
January 2025
Biomedical Engineering Department, Faculty of Engineering, Helwan University, Cairo, Egypt.
Car accidents, infections caused by bacteria or viruses, metastatic lesions, tumors, and malignancies are the most frequent causes of chest wall damage, leading to the removal of the affected area. After excision, artificial bone or synthetic materials are used in chest wall reconstruction to restore the skeletal structure of the chest. Chest implants have traditionally been made from metallic materials like titanium alloys due to their biocompatibility and durability.
View Article and Find Full Text PDFMelatonin attenuates BDE-209-caused spatial memory deficits in juvenile rats through NMDAR-CaMKⅡγ-mediated synapse-to-nucleus signaling.
Food Chem Toxicol
January 2025
Department of Occupational and Environmental Health, School of Public Health, Jinzhou Medical University, Jinzhou, Liaoning, PR China. Electronic address:
Flame retardant polybrominated diphenyl ethers (PBDEs) accumulate in human bodies through food and dust ingestion, and cause neurobehavioral deficits with obscure mechanism. We aimed to investigate NMDAR-CaMKⅡγ-mediated synapse-to-nuclear communication involved in BDE-209-induced cognitive impairment, and alleviation from exogenous melatonin. Decreased NMDAR subunits GluN2A and 2B, autophosphorylation of CaMKⅡα, and postsynaptic GluA1 trafficking were observed in the hippocampus of juvenile rats after maternal BDE-209 exposure.
View Article and Find Full Text PDFComparative toxicity study of hyaluronic acid fillers crosslinked with 1,4-butanediol diglycidyl ether or poly (ethylene glycol) diglycidyl ether.
Int J Biol Macromol
January 2025
Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea. Electronic address:
Dermal fillers comprising injectable hyaluronic acid (HA) are widely used for soft tissue augmentation, often using crosslinking agents such as 1,4-butanediol diglycidyl ether (BDDE) or poly (ethylene glycol) diglycidyl ether (PEGDE). Here, we assessed the physical properties, toxicity, and inflammatory reactions of HA fillers crosslinked with either BDDE (HA-BDDE filler) or PEGDE (HA-PEGDE filler) in in vitro and in vivo investigations. The HA-PEGDE filler exhibited higher G', tan δ, G*, and complex viscosity values compared to the HA-BDDE filler, while maintaining similar cohesivity.
View Article and Find Full Text PDFLithium complexing strategy based on host-guest recognition for efficient Mg/Li separation.
Water Res
January 2025
College of Environmental Science and Engineering, Donghua University, Shanghai 201620, China; Shanghai Institution Pollution Control & Ecology Security, Shanghai 200092, China. Electronic address:
Ion selective membranes with precise Mg/Li separation have attracted extensive interest in lithium extraction to circumvent the lithium supply shortage. However, realizing this target remains a significant challenge mainly due to a high concentration ratio of Mg/Li as well as the relatively close ionic hydration radius and chemical. Herein, inspired by the host-guest recognition between alkali-metal ions and crown ether (CE), a novel approach was proposed to regulate the membrane internal structure by introducing CE to strengthen the complexation between Li and CE.
View Article and Find Full Text PDFGrowth performance, carcass traits, meat composition, digestibility coefficients and caecal microbiota of growing rabbits fed diets supplemented with a herbal mixture.
Trop Anim Health Prod
January 2025
Animal and Poultry Production Department, Faculty of Technology and Development, Zagazig University, Zagazig, 44519, Egypt.
The study investigates the effect of dietary herbal mixture (HM) levels on growing New Zealand White (NZW) rabbits' performance, carcass characteristics, blood biochemicals, and microbiological characteristics from 5 to 13 weeks of age. In this study, 96 New Zealand White rabbits (male and female ratio 1:1) were used, and they were five weeks old. The rabbits were at random allocated into four experimental groups (n = 24 each) comprising 12 replicates, each with two rabbits.
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