Research on spatial prediction technology for mitigating tunnel inrush disasters under complex geological conditions in China's Hengduan Mountain Range.

The proportion of railway high-altitude buried tunnels in complex and dangerous mountainous areas in southwest China is exceptionally high. With the characteristics of suddenness, intermittency, instantaneousness, and destruction, inrushinrushing and collapse is one of the main risks in the tunnel construction process. Therefore, in the design and construction process of tunnels in Hengduan Mountain area, it is very important to identify the mechanism of sudden s inrushing and collapse risks, predict the spatial location and scale of possible inrushing and collapse, and formulate corresponding tunnel design and construction response measures.

An Experimental Study of the Acoustic Signal Characteristics of Locked-Segment Damage Evolution in a Landslide Model.

Three-section landslides are renowned for their immense size, concealed development process, and devastating impact. This study conducted physical model tests to simulate one special geological structure called a three-section-within landslide. The failure process and precursory characteristics of the tested samples were meticulously analyzed using video imagery, micro-seismic (MS) signals, and acoustic emission (AE) signals, with a focus on event activity, intensity, and frequency.

A Novel Pedicle Screw Placement Surgery Based on Integration of Surgical Guides and Augmented Reality.

Background:  Augmented reality is a new technology that, when applied to spinal surgery, offers the potential for efficient, safe, and accurate placement of pedicle screws. This study investigated whether augmented reality combined with a guide board improved the safety and accuracy of pedicle screw placement compared to traditional freehand screw placement.

Methods:  Four trainers were divided into augmented reality navigation and freehand groups.

A "signal-off" electrochemiluminescence biosensing platform based on high efficiency quenching effect of functionalized copper oxide toward glutathione-gold nanoclusters.

A "signal-off" Electrochemiluminescence (ECL) biosensing platform based on Glutathione-Au nanoclusters covered reduced graphene oxide (GSH-Au NCs@rGO) and Au nanoparticles functionalized copper oxide (Au@CuO) was fabricated. The GSH ligand protected Au NCs were spontaneously adsorbed on the rGO surface via Van der Waals force. As ECL emitters, GSH-Au NCs@rGO not only support more luminophores and immobilization of bioreceptor units also facilitates mass transfer, accelerating ECL excitation to obtain a higher ECL signal intensity.

An electrochemical amplification strategy based on the ferrocene functionalized cuprous oxide superparticles for the detection of NSE.

A sandwich-type electrochemical immunosensor was designed utilizing ferrocene-functionalized cuprous oxide superparticles (Au/Fc@CuO SPs) as the signal label and graphene supported by hollow carbon balls (HCNs-GR) as the substrate. The CuO SPs possess a superparticle structure with synergistic properties of isotropy and promising catalytic activity. Ferrocene (Fc) was deposited on the CuO SPs to act as the electronic transmission medium.