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Synthesis and Characterization of Antibacterial Poly{2-[(methacryloyloxy)ethyl]trimethylammonium Chloride}/Chitosan Semi-Interpenetrating Networks for Papain Release.
Macromol Biosci
January 2025
Universidade Estadual de Campinas (UNICAMP), School of Chemical Engineering (FEQ), Albert Einstein Avenue, 500, Campinas, São Paulo, 13083-852, Brazil.
Annually, thousands of individuals suffer from skin injuries resulting from trauma, surgeries, or diabetes. Inadequate wound treatment can delay healing and increase the risk of severe infections. In this context, a promising synthetic polymer with potent antimicrobial properties, Poly{2-[(methacryloyloxy)ethyl]trimethylammonium chloride} (PMETAC), is synthesized and crosslinked with N,N'-Methylenebis(acrylamide) (BIS) in the presence of Chitosan (CH), a natural, biocompatible polysaccharide that promotes cell regeneration and provides additional beneficial properties.
View Article and Find Full Text PDFMicrostructural Assessment of Molybdenum Disulfide Coatings Using Nanoindentation Hardness.
ACS Appl Mater Interfaces
January 2025
Material, Physical and Chemical Sciences Center, Sandia National Laboratories, Albuquerque, New Mexico 87123, United States.
MoS coatings are used extensively in aerospace and defense applications due to their ultralow friction and high wear resistance. Burnished and resin-bonded MoS coatings are commonly used in these applications due to simplicity in deposition and history of use, despite issues with consistency in coating properties and performance. Physical vapor deposition (PVD) of MoS thin films has emerged as a process alternative in the past 50 years, promising far greater control over film structure and composition but at a greater cost.
View Article and Find Full Text PDFBoosting Carrier Mobility in 2D Layered Perovskites for High-Performance UV Photodetector.
Small Methods
January 2025
Wuhan National Laboratory for Optoelectronics, School of Optical and Electronic Information, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan, Hubei, 430074, P. R. China.
2D hybrid perovskites have attracted great interest due to their promising potential in photodetectors. The phase structure, dielectric, and excitonic properties in 2D perovskites play a pivotal role in the performance of the corresponding optoelectronic device. Here a lattice anchoring method is demonstrated to boost carrier mobility in 2D perovskites by tailoring large organic spacer cation layers.
View Article and Find Full Text PDFEnhancement of anti-sarcoma immunity by NK cells engineered with mRNA for expression of a EphA2-targeted CAR.
Clin Transl Med
January 2025
Frazer Institute, Faculty of Medicine, The University of Queensland, Woolloongabba, Queensland, Australia.
Background: Paediatric sarcomas, including rhabdomyosarcoma, Ewing sarcoma and osteosarcoma, represent a group of malignancies that significantly contribute to cancer-related morbidity and mortality in children and young adults. These cancers share common challenges, including high rates of metastasis, recurrence or treatment resistance, leading to a 5-year survival rate of approximately 20% for patients with advanced disease stages. Despite the critical need, therapeutic advancements have been limited over the past three decades.
View Article and Find Full Text PDFOptimized preparation of alginate/nanocellulose/polypyrrole composite hydrogel via in-situ polymerization for high-efficiency solar desalination and wastewater purification.
Chemosphere
January 2025
School of Mechanical Engineering, Korea University of Technology and Education, Cheonan, Chungnam, 31253, Republic of Korea; Advanced Technology Research Centre, Korea University of Technology and Education, Cheonan, Chungnam, 31253, Republic of Korea; Future Convergence Engineering, Korea University of Technology and Education, Cheonan, Chungnam, 31253, Republic of Korea. Electronic address:
In the field of solar steam generation, hydrogels with interfacial evaporation configurations stand as a promising candidate for solar evaporators. Hydrogel-based photothermal materials provide excellent hydration channels for supplying water to an evaporative layer due to their porous structure and hydrophilic nature. This work proposed a facile and in-situ fabrication of sodium alginate hydrogel incorporated with cellulose nanocrystals and polypyrrole as an effective photothermal material.
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