Researchers investigated how platelet size, organic surface modification, and loading affect MgAl- and ZnAl-LDH nanofillers dispersed in transparent PMMA through emulsion polymerization. The strongest formulations retained high visible transparency while improving thermal stability, stiffness, and UV blocking, with nanoscale dispersion and interfacial compatibility playing a larger role than intercalation level alone.
Periodontitis is a chronic inflammatory disease driven by pathogenic microbial communities and an unbalanced host immune response, leading to progressive destruction of periodontal soft and hard tissues.
PI (Physik Instrumente), a global leader in precision motion control and nanopositioning, offers the N-332 family of high-force piezoelectric linear stages for applications requiring nanometer-level precision motion, high drive force, and stable position holding, even without continuous power consumption.
Researchers compared the transcriptomic effects of free manganese oxide nanoparticles with pristine and degraded graphene-MnO? composites in A549 human lung cells after 24 hours of exposure. Free MnO? triggered much broader changes in gene expression, including pathways linked to cellular stress and apoptosis, while the graphene-bound forms produced much smaller transcriptional responses.
Researchers tested hierarchical hollow carbon nanospheres (HCNSs) as flow-electrode materials for capacitive deionization and compared them with commercial activated carbon and hollow mesoporous carbon nanospheres. Under the selected conditions, HCNS-based electrodes removed salt faster, with high charge efficiency and low energy consumption, and the authors attributed these results to their hollow geometry, hierarchical pore structure, low slurry viscosity, and favorable ion transport.
Researchers developed a PLZ4-targeted, transformable peptide nanoparticle that carries the doxorubicin prodrug Leu-DOX and releases it in response to MMP9 in the tumor microenvironment. In cell studies and mouse models of bladder cancer, the platform increased tumor drug retention and produced stronger antitumor effects with fewer measured signs of doxorubicin toxicity, supporting further preclinical investigation.
Researchers used plasma-engineered, (111)-textured TiN electrodes with nitrogen-rich, oxidation-resistant surfaces to reduce interfacial oxidation and lower the switching voltage of 5 nm Hf0.5Zr0.5O2 ferroelectric capacitors. The devices achieved saturated switching at 0.6 V, doubled remanent polarization to 31.5 µC/cm², showed no hard electrical breakdown through 10^12 bipolar cycles, and yielded sub-ns to low-ns switching when the measured area dependence was extrapolated to DRAM-relevant footprints.
Maintaining wafer geometry is critical to semiconductor processes involving precision handling, inspection, metrology, and bonding.
Researchers combined thermal, optical, mechanical, and spectroscopic measurements to map the transformation of two-photon polymerization-printed POSS/acrylate microstructures into silica glass during thermolysis. The material progresses from a rubber-like organic-inorganic network to dense fused silica, with about 40% linear shrinkage and tensile strength reaching 5.94 ± 0.45 GPa after treatment at 1000 °C.
Researchers developed hydro/nano-bFGF, a two-stage delivery system that combines an enzyme-responsive, cartilage-adhesive hydrogel with bFGF-loaded nanocapsules to improve drug retention, cartilage penetration, and growth factor release near chondrocytes. In human osteoarthritic cartilage explants and rodent models, the system improved matrix regeneration, cartilage structure, and joint function, while long-term safety and clinical effectiveness remain to be determined in future studies.
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