In this work, the setting process of reduced graphene (RGO)/carbon nanotubes (CNTs) reinforced calcium phosphate cement (CPC) were conducted in a microwave environment. The introduction of microwave can increase the reaction temperature, speed up the vibration of water molecules and eliminate bubbles from the interface between RGO, CNTs and the substrate. Comparing with CPC without microwave treatment, the final setting time of composites after microwave treatment are almost a half, the flexural strength and the compressive strength are increased by 19.86% and 21.68% respectively, which are 17.38 MPa and 104.52 MPa. Meanwhile, the CPC composites remain the excellent bioactivity.
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http://dx.doi.org/10.1007/s10856-019-6238-6 | DOI Listing |
Perspect Clin Res
August 2024
Department of Nephrology, Seth GS Medical College and KEM Hospital, Mumbai, Maharashtra, India.
Background: Pharmacotherapy of chronic kidney disease (CKD) consists of prescribing myriad of drugs such as antihypertensives, antidiabetics, and phosphate binders to delay disease progression and control the comorbidities, resulting in inherent variability in prescriptions. In addition, tendency to self-medicate may further aggravate the condition. Hence, the present study was planned to assess self-medication practices and variability in prescription patterns in CKD patients.
View Article and Find Full Text PDFJ Hazard Mater
December 2024
State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, South China Agricultural University, Guangzhou 510642, China; Guangdong Provincial Key Laboratory of Plant Molecular Breeding, College of Agriculture, South China Agricultural University, Guangzhou 510642, China. Electronic address:
Cadmium (Cd) toxicity poses major challenges to rice cultivation, affecting plant growth and development. Wild rice and nanoparticles offer promising strategies to enhance Cd tolerance, yet little is known about their combined effects. This study evaluates the single segment substitution line (SG004) from Oryza glumaepatula (wild rice) and its response to Cd stress compared to cultivated rice (HJX74).
View Article and Find Full Text PDFPolymers (Basel)
January 2025
Materials Engineering and Welding Department, Transilvania University of Brasov, 500036 Brasov, Romania.
This review explores the impact of various additives on the mechanical properties of polylactic acid (PLA) filaments used in Fused Deposition Modeling (FDM) 3D printing. While PLA is favored for its biodegradability and ease of use, its inherent limitations in strength and heat resistance necessitate enhancements through additives. The impact of natural and synthetic fibers, inorganic particles, and nanomaterials on the mechanical properties, printability, and overall functionality of PLA composites was examined, indicating that fiber reinforcements, such as carbon and glass fibers, significantly enhance tensile strength and stiffness, while natural fibers contribute to sustainability but may compromise mechanical stability.
View Article and Find Full Text PDFPolymers (Basel)
January 2025
Department of Materials and Applied Chemistry, College of Science and Technology, Nihon University, 1-8-14 Kandasurugadai, Chiyoda-ku, Tokyo 101-8308, Japan.
Calcified tissues in living organisms, such as bone, dentin, and enamel, often require surgical intervention for treatment. However, advances in regenerative medicine have increased the demand for materials to assist in regenerating these tissues. Among the various forms of calcium phosphate (CaP), tricalcium phosphate (TCP)-particularly its α-TCP form-stands out due to its high solubility and efficient calcium release, making it a promising candidate for bone regeneration applications.
View Article and Find Full Text PDFBiomedicines
December 2024
Jean Lamour Institute, Department of Micro and Nanomechanics for Life, University of Lorraine, UMR 7198, 54011 Nancy, France.
Oral implantology faces a multitude of technical challenges in light of current clinical experience, underlining the need for innovation in implantable medical devices in both mechanical and biological terms. This study explores the influence of the thickness factor of calcium-doped zirconia (Ca-SZ) coatings deposited by PVD on their intrinsic mechanical properties and the determinism of the latter on adhesion to the TA6V alloy substrate after mechanical loading for applications in dental implantology. Three separate thicknesses of 250 nm, 450 nm and 850 nm were evaluated in terms of mechanical strength, modulus of elasticity and adhesion to the substrate, in accordance with ISO 20502:2005.
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