Results 41 to 50 of about 17,573 (244)

Early Postoperative Inflammatory Response After Total Hip Arthroplasty: Standard Cement, Pre-Chilled Cement, and Cementless Fixation

open access: yesApplied Sciences
Background: This non-randomized, observational study compared early postoperative inflammation in total hip arthroplasty using standard polymethyl methacrylate cement, pre-chilled polymethyl methacrylate cement, and cementless fixation.
Gergo Tamas Szoradi   +4 more
doaj   +1 more source

Experience of using polymethyl methacrylate membranes for anti-HLA antibodies’ elimination by hemodialysis in renal transplant recipients

open access: yesТрансплантология (Москва), 2019
Introduction. In recipients with pre-existing sensitization with incompatible antigens of the main histocompatibility complex, the kidney graft survival after retransplantations directly depends on the level of anti-HLA antibodies.
E. I. Pervakova   +4 more
doaj   +1 more source

Oxygen Vacancy‐Enriched Platinum Single‐Atom Nanozyme Wrapped in Nanoislands: Unlocking Catalytic Activity and Reprogramming Redox Microenvironment for Osteonecrosis Repair

open access: yesAdvanced Science, EarlyView.
CeO2‐x/Pt single‐atom nano‐island is constructed via low‐temperature reduction, featuring abundant oxygen vacancies and an island–sea structure. It delivers outstanding multi‐enzyme‐mimetic activity and ROS‐scavenging efficiency. Density functional theory reveals optimized electronic structures and reaction pathways.
Yang Zhu   +12 more
wiley   +1 more source

Strain‐Preserving Transfer of Freestanding Oxide Membranes for Tunable Magnetic Anisotropy

open access: yesAdvanced Science, EarlyView.
An epoxy‐assisted exfoliation and transfer strategy circumvents the trade‐off between structural flexibility and strain tunability in freestanding oxide membranes. Epitaxial strain is effectively preserved, enabling versatile and robust control of magnetic anisotropy without sacrificing flexibility.
Jinfeng Zhang   +13 more
wiley   +1 more source

Engineered Exosomal miR‐146a‐5p Reprograms BMSC Fate and Restores Mitochondrial Homeostasis in Glucocorticoid‐Induced Osteonecrosis of Femoral Head

open access: yesAdvanced Science, EarlyView.
Exosomal miR‐146a‐5p is identified as a pivotal regulator in steroid‐induced osteonecrosis. Its reduction activates NF‐κB signaling, compromises mitophagy, and disrupts mitochondrial bioenergetics, resulting in autophagic disequilibrium. Engineered exosomes delivering miR‐146a‐5p reinstate mitochondrial function, augment oxidative phosphorylation and ...
Zehui Lv   +13 more
wiley   +1 more source

The effect of microwave processing and use of antimicrobial agent on porosity of conventional heat cured denture base resin: An in vitro study

open access: yesThe Journal of Indian Prosthodontic Society, 2015
Statement of Problem: The occurrence porosity in polymethyl methacrylate, the most commonly used denture base material is a problem. The occurrence of oral candidiasis and other infections has also been reported in denture users.
U K Kartika   +4 more
doaj   +1 more source

Supercritical CO2‐Induced Porous MXene Films for Electromagnetic Interference Shielding and Infrared Stealth

open access: yesAdvanced Science, EarlyView.
The phase transition of supercritical CO2 induces the foaming of dense MXene film without compromise inherent structure of MXene nanosheet. The foamed porous MXene film manifests remarkable EMI shielding and infrared thermal camouflage performances. Moreover, the foaming strategy is broadly adaptable and can be extended to other two‐dimensional films ...
Hui Zhao   +7 more
wiley   +1 more source

HEAT TREATMENT OF POLYMETHYL METHACRYLATE DENTURE BASE [PDF]

open access: yesJournal of the Egyptian Society of Tribology
It is known that fracture of the polymethyl methacrylate (PMMA) denture base is critical clinical problems. It is essential to develop the mechanical properties of the denture base.
A. S. Ali   +4 more
doaj   +1 more source

A structural polymer for highly efficient all-day passive radiative cooling

open access: yesNature Communications, 2021
There still remains a big challenge in fabricating highly efficient and low-cost radiative coolers for all-day and all-climates. Here, the authors report a hierarchically structured polymethyl methacrylate film with a micropore array combined with random
Tong Wang   +5 more
doaj   +1 more source

Machine‐Learning‐Enhanced Printed Vertical Magnetoresistive Sensors for Transparent, Flexible, Multimodal Interactive Magnetoelectronics

open access: yesAdvanced Science, EarlyView.
This study presents printed magnetoresistive sensors with a vertically aligned architecture that enables high optical transparency and mechanical flexibility. By integrating deep learning for the analysis of complex spatiotemporal signal patterns, the system further achieves intelligent multimodal interaction capabilities.
Rui Xu   +11 more
wiley   +1 more source

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