Overlap is one of the characteristics social networks, in which a person may belong to more than group. For this reason, discovering overlapping structures necessary for realistic analysis. In paper, we present novel, general framework detect and analyze both individual nodes entire communities. framework, exchange labels according dynamic interaction rules. A specific implementation called Speaker-listener Label Propagation Algorithm (SLPA) demonstrates an excellent performance identifying...

Remotely controlled soft continuum robots with active steering capability have broad prospects in medical applications. However, conventional the miniaturization challenge. This paper presents a microscale microrobot and locomotion capabilities based on magnetic field actuation. The magnetically driven is made of NdFeB particles polydimethylsiloxane (PDMS), it can be as small 200 μm diameter. Moreover, hydrogel layer covered surface microrobot, which not only overcomes adhesion force between...

Dielectric capacitors are key devices in pulsed power systems for their high density. To improve the energy density, compact nanocomposite films comprising PVDF polymer and core-shell BaTiO3@TiO2 nanoparticles prepared, which BaTiO3 (d ~ 8 nm) encapsulated by amorphous TiO2 shell layer. Compared to conventional BaTiO3/PVDF nanocomposite, BaTiO3@TiO2/PVDF this report takes advantage of small particle size gradient dielectric design interface, enhances electric displacement as 65% breakdown...

Magnetic soft microrobots have great potential to access narrow spaces and conduct multiple tasks in the biomedical field. Until now, drug delivery, microsurgery, disease diagnosis, dredging blocked blood vessel been realized by magnetic vivo or vitro. However, as become more complex, functional units embedded body of developed microrobots. These with complex designed geometries, mechanisms, orientation are now greatly challenging fabrication In this paper, we propose a new method combining...

Researchers have been working on human face recognition for decades. Face is hard due to different types of variations in images, such as pose, illumination and expression, among which pose variation the hardest one deal with. To improve under variation, this paper presents a geometry assisted probabilistic approach. We approximate head with 3D ellipsoid model, so that any image 2D projection at certain pose. In approach, both training test images are back projected surface ellipsoid,...

Fabricated microscale tissues that replicate in vivo architectures have shown huge potential regenerative medicine and drug discovery. Owing to the spatial organization of cell-encapsulated hydrogel microstructures, three-dimensional (3D) tissue structures been broadly applied as novel pathological or pharmacological models. However, reorganization arbitrary microstructures with tissue-specific shapes into 3D vitro microtissues mimic physiological morphology nutrient diffusion native...

Wearable auxiliary devices for visually impaired people are highly attractive research topics. Although many proposed wearable navigation can assist in obstacle avoidance and navigation, these cannot feedback detailed information about the obstacles or help understand environment. In this paper, we a device by integrating semantic visual SLAM (Simultaneous Localization And Mapping) newly launched powerful mobile computing platform. This system uses an Image-Depth (RGB-D) camera based on...

Magnetic microrobots have gained significant attention in the biomedical field due to their wireless actuation, strong controllability, fast response, and minimal impact on environment. As task complexity keeps increasing clinical applications of magnetic microrobots, more geometric structures magnetization profiles been included designs posing challenges fabrication microrobots. Microassembly is a method that can create convoluted with small‐scale modules. It accurately control position...

Soldering of printed circuit board (PCB)-based surface-mounted assemblies is a critical process, and to enhance the accuracy detecting their multi-targeted soldering defects, we propose an automated sample generation method that combines ControlNet Stable Diffusion Model. This can expand dataset by quickly obtaining images with high quality containing both defects normal detection targets. Meanwhile, Cascade Mask R-CNN model ConvNeXt as backbone, which performs well in dealing multi-target...

Neuropathic pain is characterized by hyperalgesia, allodynia, and inflammation it often resistant to treatment. The formyl peptide receptor 2 (ALX/FPR2), a G-protein-coupled receptor, has been implicated in resolving inflammation, making its agonist, Resolvin D1 (RvD1), potential therapeutic agent. Previous studies suggest that RvD1 alleviates neuropathic via anti-inflammatory effects, but mechanisms remain unclear, particularly relation microglial activation the brain-derived neurotrophic...

Micromanipulation is crucial for operating and analyzing microobjects in advanced biomedical applications. However, safe, low-cost, multifunctional micromanipulation bio-objects across scales modalities remains inaccessible. Here, we propose a versatile method driven by acoustic gas-liquid-solid interactions, named μSonic-hand. The bubble contained at the end of micropipette surrounding liquid form gas-liquid multiphase system susceptible to waves. Driven piezoelectric transducer,...

Abstract A noncontact method that can achieve immobilization, transportation, and rotation in the microscale is desired biological micromanipulation. multifunctional micromanipulation proposed here based on a vibration‐generated whirling flow. Resonance of cantilever structure utilized to extend straight vibration single piezo actuator 2D circular micropipette. The fluids generate flow featured with low pressure core area velocity gradient. immobilize objects nearby transport them together...

Cell stiffness is an essential label-free biomarker used to diagnose and sort cells at the single-cell level. Here, we integrated magnetic tweezers on efficient cell arraying microfluidic device evaluate mechanical properties of single cells. Two motion modes under pulsed electromagnetic fields have been proposed for beads. They were magnetically actuated approach measuring a distance in rotation mode move experimentally with maximal velocity 23 μm s <sup...

The use of vibration and acoustic characteristics for micromanipulation has been prevalent in recent years. Due to high biocompatibility, non-contact operation, relatively low cost, the actuated by vibration-induced wave streaming flow widely applied sorting, translating, rotating, trapping targets at submicron micron scales, especially particles single cells. In this review, facilitate subsequent research, we summarize fundamental theories manipulation driven waves flow. These methods are...

Using multiple parallel folding to aid the DOS into TDN, which can respond epithelial cell adhesion molecules (EpCAM) for a controlled conformational change.

While numerous studies have demonstrated the adverse effects of fine particulate matter (PM) on human health, little attention has been paid to its impact offspring health. The multigenerational toxic Caenorhabditis elegans (C. elegans) were investigated by acute exposure. PM2.5 and PM1 samples collected analysed for their chemical composition (inorganic ions, metals, OM, PAHs) in different seasons from April 2019 January 2020 Lin’an, China. A higher proportion organic carbon components...