Articles tagged with Micromachining
A novel drug delivery system developed by Osaka Metropolitan University improves Paclitaxel absorption by binding to the lipocalin-type prostaglandin D synthase enzyme, enabling selective delivery to cancer tissues. The system demonstrates significant tumor suppression effects even after administration cessation.
Scientists at Tsinghua University introduce a new technique to carve complex shapes on material surfaces, enabling more design freedom and efficiency in surface design. The method uses high-speed vibrations to create convex microstructures that can change how a surface interacts with its environment.
Researchers used molecular dynamics simulations to investigate how polyamides adhere to alumina surfaces, finding that adhesion strength depends on polymer chemistry and surface termination. The study offers practical design guidelines for selecting surface treatments and polymer types, enabling the creation of stronger, lighter joints.
Researchers developed a new scattering-type scanning near-field optical microscopy (S-SNOM) technique achieving 1-nm resolution, enabling atomic-scale imaging of materials. This enables studying of atomic defects and nanoscale structures with unprecedented precision.
A portable and highly sensitive ethanol sensor has been developed using a copper-based metal–organic framework thin film, enabling precise optical measurements without complex lab equipment. The sensor can visually detect varying ethanol levels, even at low concentrations, and can be integrated with a smartphone app for easy use.
Researchers successfully integrated femtosecond-pulse VSFG spectroscopy with scanning tunneling microscopy (STM) to detect VSFG signals from molecules in nanoscale gaps. Phase analysis revealed molecular orientation, and the technique's spatial confinement enabled detection of signals from a limited number of molecules.
A new THz metasurface device can continuously manipulate polarization states on different output planes over a relatively long propagation distance. It achieves this by decomposing incident polarized THz waves into two orthogonal circularly polarized components, which then recombine to produce linearly polarized waves.
Researchers at Osaka Metropolitan University developed new formulas to calculate key quantum informative quantities, including entanglement entropy and mutual information. These simplified expressions offer fresh perspectives into quantum behaviors in materials with different physical characteristics.
Researchers developed a 7-axis synchronization algorithm for freeform surface laser texturing, achieving high efficiency and accuracy without stitching errors. The approach improves processing efficiency by up to 559% and reduces errors by 60%, making it suitable for industrial applications.
Researchers have developed a novel exosome-based drug delivery system that targets ovarian cancer cells, combining miRNA-regulated autophagy inhibition with coumarin anticancer drugs. The approach shows promising prospects for effective treatment in vitro and clinical applications.
Researchers investigate interfacial hydrogen bond structure and dynamics to maximize catalytic activity in photocatalytic hydrogen evolution. Depositing three water layers in a water vapor environment is optimal for photocatalytic hydrogen evolution, according to the study.
Researchers used O K-edge X-ray absorption spectroscopy to analyze isolated water molecules in aqueous acetonitrile solutions. The study found that these molecules exhibited distinct electronic and structural properties compared to small water clusters.
Scientists have discovered a way to control site-specific nonlinear optics using plasmonic nanocavities. The study found that the broadening of nonlinear optical responses can be achieved by manipulating both nanometer- and micrometer-scale structures in tip-substrate nanocavities.
Scientists have developed BiBurst mode, which groups femtosecond laser pulses in MHz envelopes to increase ablation speed and improve throughput. The technique achieves 23 times faster ablation of silicon without compromising quality.
Researchers at CELIA have developed a laser drilling method that creates elongated, crack-free micro-holes in glass. This breakthrough allows for high-aspect ratio holes with smooth inner walls, enabling new applications in microelectronics.
Researchers developed a new technique using femtosecond laser pulses to fabricate precision ultrathin mirrors for space telescopes. The method can help correct errors in mirror fabrication and enable sharper images of astronomical x-rays.
Researchers at Osaka Metropolitan University have developed a new positive electrode material for all-solid-state sodium batteries, enabling high energy storage capacity and long lifespan. The Na2FeS2 material uses inexpensive elements and achieves high reversibility during charging and discharging.
Metal-organic framework (MOF) nanosheet research has made significant advances in gas recovery and sensing materials. Professor Makiura's review article summarizes the development of MOF nanosheets on water surfaces, showcasing their potential for separation membranes and sensor miniaturization.
Researchers developed a novel ion-beam system that neutralizes positive ions using plasma, enabling precise material shaping. The combined beam allows for multiple species of ions to be accelerated and used in various applications, such as producing sound suppressors for jet engines.