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Influence of Tacticity on the Self-Assembly of Poly(ethylene glycol)--poly(lactic acid) Block Copolymers.
ACS Macro Lett
January 2025
Institute for Molecules and Materials, Radboud University, Heyendaalseweg 135 6525 AJ, Nijmegen, The Netherlands.
Lactide, possessing two stereocenters and thus three distinct configurations (DD, DL, and LL), serves as a captivating building block for polymers and self-assembly. Notably, polylactide (PLA) exhibits stereocomplexation, displaying heightened interactions between different configurations compared with interactions within the same configuration. This characteristic renders PLA an intriguing subject for investigating self-assembly behavior.
View Article and Find Full Text PDFPEG-PLGA nanoparticles deposited in and .
J Pharm Anal
December 2024
Institute of Infectious Disease and Infection Control, Jena University Hospital, Jena, 07747, Germany.
In our prior research, polymer nanoparticles (NPs) containing tobramycin displayed robust antibacterial efficacy against biofilm-embedded () and (. ) cells, critical pathogens in cystic fibrosis. In the current study, we investigated the deposition of a nanoparticulate carrier composed of poly(d,l-lactic--glycolic acid) (PLGA) and poly(ethylene glycol)--PLGA (PEG-PLGA) that was either covalently bonded with cyanine-5-amine (Cy5) or noncovalently bound with freely embedded cationic rhodamine B (RhB), which served as a drug surrogate.
View Article and Find Full Text PDFNeutrophil Extracellular Traps Drive Kidney Stone Formation.
Kidney Dis (Basel)
November 2024
Department of Geriatric Urology, Xiangya International Medical Center, Xiangya Hospital, Central South University, Changsha, PR China.
Introduction: This study aims to explore the contribution of neutrophil extracellular traps (NETs) to kidney stones.
Methods: The microarray data from GSE73680 and bioinformatic analysis were applied to identify differentially expressed genes in patients with kidney stones. A rat model of kidney stones was established through ethylene glycol and ammonium chloride administration.
Photo-crosslinked Diels-Alder and thiol-ene polymer networks.
RSC Adv
January 2025
Dept. of Chemical Engineering, McGill University 3610 Rue Universite Montreal QC H3A 0C5 Canada
Compositions of ethylene glycol dicyclopentenyl ether methacrylate (EGDEMA), a vegetable oil based alkyl methacrylate (C13MA), and furfuryl methacrylate (FMA) were terpolymerized for dual-crosslinked networks with tailored mechanical and thermal properties. Specifically, initiators for continuous activator regeneration (ICAR) atom transfer radical polymerization (ATRP) afforded materials with tailored glass transition temperature ( ) and incorporation of furan and norbornene functionalities within a single chain. The terpolymer with high furan and norbornene functionality (Ter2: = 0.
View Article and Find Full Text PDFOptimization of operating conditions for the catalytic alcoholysis of waste PET for the synthesis of BHET by sunflower seed husk matrix materials.
RSC Adv
January 2025
School of Petrochemical Engineering, Shenyang University of Technology Liaoyang 111003 China
A sunflower seed shell matrix catalyst (SMS-750) was prepared from sunflower seed shell waste by pretreatment and pyrolytic carbonization. A series of characterization analyses showed that the prepared catalyst was rich in Ca, Mg, K, and other mineral elements and mainly existed in the form of metal oxides. SMS-750 was used to catalyze the glycolysis of waste PET, and the main factors affecting the BHET yield were screened out by a one-way experimental design, and then the BHET yield was used as the response value, and the response surface method was used to design and analyze the effects of the respective variables and their interactions on the degradation of PET according to the principle of Box-Behnken central combinatorial design.
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