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Not All Antiseptic Solutions Are Equivalent in Removing Biofilm: A Comparison Across Different Orthopaedic Surfaces.
J Bone Joint Surg Am
January 2025
Adult Reconstruction and Joint Replacement, Hospital for Special Surgery, New York, NY.
Background: Antiseptic solutions are commonly utilized during total joint arthroplasty (TJA) to prevent and treat periprosthetic joint infection (PJI). The purpose of this study was to investigate which antiseptic solution is most effective against methicillin-sensitive Staphylococcus aureus (MSSA) and Escherichia coli biofilms established in vitro on orthopaedic surfaces commonly utilized in total knee arthroplasty: cobalt-chromium (CC), oxidized zirconium (OxZr), and polymethylmethacrylate (PMMA).
Methods: MSSA and E.
Designing Microparticles of Luteolin and Naringenin in Different Carriers via Supercritical Antisolvent Process.
Polymers (Basel)
December 2024
Department of Industrial Engineering, University of Salerno, Via Giovanni Paolo II, 132, 84084 Fisciano, Salerno, Italy.
Antioxidants are contained in fruits and vegetables and are commonly obtained through food. However, it is frequently necessary to supplement the diet with substances that are often poorly soluble in water and sensitive to light and oxygen. For this reason, in this work, luteolin (LUT) and naringenin (NAR), two compounds with antioxidant activity and potential health benefits, were precipitated through the supercritical antisolvent technique using polyvinylpyrrolidone and β-cyclodextrin as the carriers.
View Article and Find Full Text PDFEnteric Microcapsules Encapsulation of Roxithromycin-PVP Composite Core Particles to Inhibit Drug Crystallization upon Fluidized Bed Method for Oral Administration.
Chem Pharm Bull (Tokyo)
December 2024
School of Traditional Chinese Medicines, Shenyang Pharmaceutical University.
Enteric-coated microcapsules can protect roxithromycin (ROX) from acid hydrolysis enhancing efficacy, solubility, and dissolution rate, representing a promising oral formulation for children and patients with swallowing difficulties. ROX-layered core particles were obtained with polyvinylpyrrolidone (PVP) K30 as the binder and Eudragit L30 D-55 as the coating material using the Wurster process in a fluidized bed processor. The enteric-coated microcapsules were characterized using powder X-ray diffraction, differential scanning calorimetry, and polarized optical microscopy.
View Article and Find Full Text PDFFabrication of Oro-Dispersible Sodium Valproate-Loaded Nanofibrous Patches for Immediate Epileptic Innervation.
ACS Biomater Sci Eng
December 2024
Department of Pharmacology, Faculty of Pharmacy, Istanbul Kent University, Istanbul 34406, Türkiye.
Epilepsy is one of the oldest neurological disorders discovered by mankind. This condition is firmly coupled with unprovoked seizures stimulated by irrepressible neuroelectrical blasts. Orally taken valproate family has been employed for prophylactic management; however, oral administration is not applicable for critical scenarios, thus calling for medication routes fulfilling necessities of immediate innervation.
View Article and Find Full Text PDFHijacking endogenous iron to amplify lysosomal-mitochondrial cascade damage for boosting anti-tumor immunotherapy.
Biomaterials
May 2025
Center for Molecular Imaging and Nuclear Medicine, State Key Laboratory of Radiation Medicine and Protection, School of Radiation Medicine and Protection, Collaborative Innovation Center of Radiological Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou 215123, China. Electronic address:
The cross-talk between lysosomes and mitochondria is crucial for keeping intracellular homeostasis and metabolic function, providing a promising approach for tumor therapy. Herein, we employed polyvinylpyrrolidone (PVP)-modified Cu-gallic acid (CuGA) complex nano-boosters for amplifying lysosomes-mitochondria cascaded damage, and thereby effectively inducing cuproptosis and pyroptosis of breast tumor cells to boost anti-tumor immunotherapy. The CuGA nano-boosters could hijack lysosomal iron to form a bimetallic catalyst Cu(Fe)GA in situ through ion-exchange reaction, and cause the release of Cu and metal ion dysregulation (i.
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