Combined task and motion planning system for the service robot using hierarchical action decomposition

Intelligent Service Robotics - A service robot needs integration of symbolic reasoning for high-level task planning and geometric computation for low-level motion planning to provide services in an...     

Characterization of a novel glutamate decarboxylase (GAD) from Latilactobacillus curvatus K285 isolated from Gat -Kimchi

Food Science and Biotechnology - A lactic acid bacteria (LAB) producing γ-aminobutyric acid (GABA) was isolated from Gat-Kimchi, a Korean vegetable food. The isolate, K285, was identified as...     

Object panorama construction using large-parallax images

Multimedia Tools and Applications - Conventional panorama techniques create a wide-angle image by stitching images taken from the same viewpoint. In contrast, the method proposed in this work...     

Network Functions Virtualization for Mobile Core and Heterogeneous Cellular Networks

Wireless Personal Communications - Network Functions Virtualization (NFV) is a network architecture concept to improve network performance. This concept empowers the network capacities and reduces...     

Thermo-Responsive Microcapsules with Tunable Molecular Permeability for Controlled Encapsulation and Release

Microcapsules with regulated transmembrane transport are of great importance for various applications. The membranes with a tunable cut-off threshold of permeation provide advanced functionality. Here, thermo-responsive microcapsules are designed, whose hydrogel membrane shows a tunable cut-off threshold of permeation with temperature. To produce the microcapsules, water-in-oil-in-water (W/O/W) double-emulsion droplets are microfluidically produced, whose oil shell contains oil-soluble hydrogel precursor of poly(N, N-diethylacrylamide) copolymerized with benzophenone (PDEAM-BP). The PDEAM hydrogels, crosslinked by BP, show volume-phase transition around 34 °C, which makes the microcapsules with the PDEAM hydrogel membrane thermo-responsive. The microcapsules show temperature-dependent changes in radius and membrane thickness. More importantly, the cut-off threshold of permeation can be reversibly adjusted by temperature control as the degree of swelling decreases with temperature. This enables the molecule-selective encapsulation and the controlled release of the encapsulants in a programmed manner by adjusting the temperature. The microcapsules can be rendered to be photo-responsive by encapsulating photothermal polydopamine nanoparticles during the microfluidic operation, which allows the control of the degree of swelling with near-infrared (NIR) irradiation. The thermo- and photo-responsive microcapsules with a tunable cut-off threshold are appealing as a new platform for drug carriers, microreactors, and microsensors.     

Lightweight refined networks for single image super-resolution

Multimedia Tools and Applications - Recently, software architectures applied to physical agents have become a boost from the emerging Artificial Intelligence(AI). In these smart physical agents,...     

QRS detection of ECG signal using U-Net and DBSCAN

Multimedia Tools and Applications - QRS detection is a crucial task for ECG signal analysis, which is the preliminary and essential step to further recognition and diagnosis. This paper proposes a...     

Effects of packaging parameters on the microbial decontamination of Korean steamed rice cakes using in-package atmospheric cold plasma treatment

Food Science and Biotechnology - The effects of packaging materials, package shape, and secondary packaging on the inactivation of indigenous mesophilic aerobic bacteria in Korean steamed rice...     

Effect of liquid phase plasma on photocatalysis of water for hydrogen evolution

This study examined the effects of liquid phase plasma irradiation on the photocatalytic decomposition of water for hydrogen evolution. TiO₂ and metal-loaded TiO₂ nanocrystallites were introduced as photocatalysts. Na-Y zeolite was applied as a support for the TiO₂ nanocrystallites. The photocatalytic activities of the photocatalysts were estimated for hydrogen production from water. Hydrogen evolution appeared in the photodecomposition of water without photocatalysts. This was caused by the decomposition of water by plasma irradiation in water directly. The hydrogen evolution efficiency improved with increasing conductivity of water. The rate of hydrogen evolution was increased by the metal loading (Ni, Co, Fe) on the TiO₂ surface. Na-Y zeolite can be used as an efficient photocatalytic support for the fixation of TiO₂. The TiO₂ nanocrystallites were incorporated above 40 wt% on Na-Y support.