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Enantiomer-Dependent Supramolecular Antibacterial Therapy for Drug-Resistant Bacterial Keratitis.
Langmuir
January 2025
National Engineering Research Center of Ophthalmology and Optometry, Eye Hospital, Wenzhou Medical University, Wenzhou 325027, China.
Bacteria have the potential to exhibit divergent stereochemical preferences for different levels of chiral structures, including from molecule, supramolecule, to nanomicroscale helical structure. Accordingly, the structure-activity relationship between chirality and bactericidal activity remains uncertain. In this study, we seek to understand the multivalent molecular chirality effect of chiral supramolecular polymers on antibacterial activity.
View Article and Find Full Text PDFAttachment of Hydrogel Patches to Eye Tissue through Gel Transfer using Flexible Foils.
ACS Appl Mater Interfaces
January 2025
Department of Microsystems Engineering (IMTEK), Laboratory for Chemistry & Physics of Interfaces (CPI), Albert Ludwigs Universität Freiburg, Georges Köhler Allee 103, 79110 Freiburg, Germany.
Glaucoma, a leading cause of blindness, demands innovative and effective treatments that surpass the limitations of current drug and surgical interventions to lower intraocular pressure. This study describes the generation of cell-repellent hydrogel patches, their deposition on the ocular surface, and a photoinduced chemical binding between the patches and the collagens of the eye. The hydrophilic and protein-repellent hydrogel patch is composed of a copolymer made from dimethylacrylamide and a comonomer unit with anthraquinone moieties.
View Article and Find Full Text PDFNanosuspension Innovations: Expanding Horizons in Drug Delivery Techniques.
Pharmaceutics
January 2025
Department of Pharmaceutical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa 31982, Saudi Arabia.
Nanosuspensions (NS), with their submicron particle sizes and unique physicochemical properties, provide a versatile solution for enhancing the administration of medications that are not highly soluble in water or lipids. This review highlights recent advancements, future prospects, and challenges in NS-based drug delivery, particularly for oral, ocular, transdermal, pulmonary, and parenteral routes. The conversion of oral NS into powders, pellets, granules, tablets, and capsules, and their incorporation into film dosage forms to address stability concerns is thoroughly reviewed.
View Article and Find Full Text PDFDevelopment and Evaluation of Polymethacrylate-Based Ophthalmic Nanofiber Inserts Containing Dual Drug-Loaded Dorzolamide and Timolol: In Vivo Study in Rabbit's Eye.
Biomedicines
January 2025
School of Life Sciences, University of Sussex, Brighton BN1 9QG, UK.
The aim of the study was to create a nanofiber insert incorporating Timolol (TIM) and Dorzolamide (DOR), targeting the management of glaucoma. This condition encompasses a variety of chronic, advancing ocular disorders typically associated with elevated intraocular pressure (IOP). The insert was made of Eudragite RL100 (EUD) polymer, a biocompatible material with high bioavailability, using the electrospinning method.
View Article and Find Full Text PDFEmerging trends in designing polysaccharide based mucoadhesive network hydrogels as versatile platforms for innovative delivery of therapeutic agents: A review.
Int J Biol Macromol
January 2025
Department of Chemistry, Himachal Pradesh University, Shimla 171005, India. Electronic address:
Introduction: The rapid progress in polymer science has designed innovative materials for biomedical applications. In the case of drug design, for each new therapeutic agent, a drug delivery system (DDS) is required to improve its pharmacokinetic and pharmacodynamic parameters. Therefore, significant research has been carried out to develop drug delivery (DD) carriers for these new therapeutic agents.
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