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Conjugation of PDLA onto MgO microspheres: comparison between solution grafting and melt grafting methods.
J Mater Chem B
January 2025
Engineering Research Centre for Biomedical Materials of Ministry of Education, Key Laboratory for Ultrafine Materials of Ministry of Education, Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai, 200237, China.
Magnesium oxide (MgO) is known for its bioactivity and osteoconductivity when incorporated into biodegradable poly(lactic acid) (PLA), whereas the weak interfacial bonding between MgO microspheres (mMPs) and PLA often leads to suboptimal composite properties with uncontrollable functionality. Conjugation of mMPs with PLA may offer a good way to enhance their compatibility. In this study, we systematically investigated two grafting techniques, solution grafting (Sol) and melt grafting (Mel), to decorate poly (D-lactic acid) (PDLA) on mMPs pre-treated by prioritized hydration to obtain Sol MPs and Mel MPs, in order to optimize the grafting efficiency and improve their controllability in the properties including the crystal structure and surface morphology.
View Article and Find Full Text PDFSevere phlebitis and cutaneous necrosis following peripheral administration of high-concentration potassium chloride: A case report and vascular access management implications.
Sci Prog
January 2025
Department of Hepatobiliary Surgery, Liaoning Cancer Hospital & Institute, Cancer Hospital of China Medical University, Shenyang, China.
Electrolyte imbalance management is crucial in diverse clinical scenarios, with intravenous potassium repletion often required. High-concentration infusions can pose severe complications if extravasation occurs, leading to phlebitis, local tissue damage, or in severe cases, cutaneous necrosis. This risk is elevated in geriatric patients due to factors like reduced tissue elasticity and sensitivity.
View Article and Find Full Text PDFA novel nomogram for predicting mortality risk in young and middle-aged patients undergoing maintenance hemodialysis: a retrospective study.
Front Med (Lausanne)
January 2025
Department of Nephrology, Chaohu Hospital of Anhui Medical University, Hefei, China.
Objectives: The annual growth in the population of maintenance hemodialysis (MHD) patients is accompanied by a trend towards younger age groups among new cases. Despite the escalating mortality risk observed in MHD patients, there remains a dearth of research focused on young and middle-aged individuals in this cohort, leading to a deficiency in specialized predictive instruments for this demographic. This research seeks to explore the critical determinants impacting mortality risk in young and middle-aged MHD patients and to construct a prediction model accordingly.
View Article and Find Full Text PDFGelatin/Poly (Lactic-Co-Glycolic Acid)/Attapulgite Composite Scaffold Equipped with Teriparatide Microspheres for Osteogenesis in vitro and in vivo.
Int J Nanomedicine
January 2025
Department of Orthopedics, the First Hospital of Lanzhou University, Lanzhou, People's Republic of China.
Background: Given the risks associated with autologous bone transplantation and the limitations of allogeneic bone transplantation, scaffolds in bone tissue engineering that incorporate bioactive peptides are highly recommended. Teriparatide (TPTD) plays a significant role in bone defect repair, although achieving controlled release of TPTD within a bone tissue engineering scaffold remains challenging. This work reports a new approach for treatment of teriparatide using a water-in-oil-in-water (w/o/w) microspheres be equipped on gelatin (GEL)/Poly lactic-glycolic acid (PLGA)/attapulgite (ATP) scaffold.
View Article and Find Full Text PDFToward high-performance rechargeable magnesium batteries with a CuSe-CTAB nanoparticle cathode and Mg[B(HFIP)]/DME electrolyte.
Chem Commun (Camb)
January 2025
College of Materials Science and Engineering, Nanjing Tech University, 30 South Puzhu Road, Nanjing 211816, P. R. China.
Developing advanced cathode materials effectively enhances the electrochemical performance of rechargeable magnesium batteries (RMBs). Herein, we designed a CTAB-assisted hydrothermal method to construct CuSe nanoparticles as the cathode and Mg[B(HFIP)]/DME as the electrolyte shows high specific capacity and great cycling performance in RMBs.
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