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Microdifferential Pressure Measurement Device for Cellular Microenvironments.
Bioengineering (Basel)
December 2024
Fusion Oriented Research for Disruptive Science and Technology, Japan Science and Technology Agency, 5-3, Yonbancho, Chiyoda-ku, Tokyo 102-8666, Japan.
Mechanical forces influence cellular proliferation, differentiation, tissue morphogenesis, and functional expression within the body. To comprehend the impact of these forces on living organisms, their quantification is essential. This study introduces a novel microdifferential pressure measurement device tailored for cellular-scale pressure assessments.
View Article and Find Full Text PDFQuantitative Assessment of Microbial Transmission onto Environmental Surfaces Using Thermoresponsive Gelatin Hydrogels as a Finger Mimetic under In Situ-Mimicking Conditions.
Adv Healthc Mater
January 2025
Laboratory for Biointerfaces, Empa, Swiss Federal Laboratories for Materials and Technology, Lerchenfeldstrasse 5, St. Gallen, 9014, Switzerland.
Surface-mediated transmission of pathogens plays a key role in healthcare-associated infections. However, proper techniques for its quantitative analysis are lacking, making it challenging to develop novel antimicrobial and anti-fouling surfaces to reduce pathogen spread via environmental surfaces. This study demonstrates a gelatin hydrogel-based touch transfer test, the HydroTouch test, to evaluate pathogen transmission on high-touch surfaces under semi-dry conditions.
View Article and Find Full Text PDFBioinspired Antiwear Poly(urea-imide) Composites: Influence of Tribology on Polymer Crystal Structure.
Small
January 2025
State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, China.
Polymer composite materials encounter considerable challenges in sustaining superior tribological properties at high rotational speeds. Inspired by the microstructure of dragonfly wings, a novel thermally stable and ambient pressure curing poly(urea-imide) resin (PURI) with excellent tribological properties has been eco-friendly synthesis using bio-based greener solvents. Furthermore, The PURI composites enhanced with polyether ether ketone (PEEK) and Polytetrafluoroethylene (PTFE) blended fabrics demonstrate excellent mechanical, with tensile strengths exceeding 175 MPa.
View Article and Find Full Text PDFFloatable artificial leaf to couple oxygen-tolerant CO conversion with water purification.
Nat Commun
January 2025
Key Laboratory of Photochemistry, Institute of Chemistry Chinese Academy of Sciences, Beijing National Laboratory for Molecular Sciences, Beijing, PR China.
To enable open environment application of artificial photosynthesis, the direct utilization of environmental CO via an oxygen-tolerant reductive procedure is necessary. Herein, we introduce an in situ growth strategy for fabricating two-dimensional heterojunctions between indium porphyrin metal-organic framework (In-MOF) and single-layer graphene oxide (GO). Upon illumination, the In-MOF/GO heterostructure facilitates a tandem CO capture and photocatalytic reduction on its hydroxylated In-node, prioritizing the reduction of dilute CO even in the presence of air-level O.
View Article and Find Full Text PDFHistological Evaluation of Photobiomodulation and Calcium Aluminosilicate on Direct Pulp Capping of Dogs' Permanent Teeth.
J Lasers Med Sci
October 2024
Medical Biochemistry and Molecular Biology Department, Faculty of Medicine, Cairo University, Giza, Egypt.
Photobiomodulation (PBM) is beneficial to biological tissues; depending on the optical dose that is absorbed by tissues, it can function as a biostimulative, analgesic, and anti-inflammatory mediator. Thus, the current research aimed to assess the impacts of PBM and Calcium aluminosilicate-based material on direct pulp capping (DPC) of dogs' permanent teeth through histological analysis. To study DPC of dogs' teeth, we separated 24 canines and premolars obtained from mature, healthy mongrel dogs into four equal groups: group 1, which served as the control (exposed pulp was covered with a sterile polytetrafluoroethylene, Teflon tape); group 2, which received PBM treatment using a 980 nm diode laser with a 100 mw output power for one minute; group 3: Calcium aluminosilicate-based material; group 4: Calcium aluminosilicate+PBM.
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