Publications by authors named "V P Aristov"

Signal loss models are frequently utilized by wireless communication researchers and engineers to predict received signal strength, optimize system parameters, and conduct feasibility studies. However, novel communication methods such as Body-Coupled Communication (BCC) that are suitable for Body Area Networks formed by wearable devices currently lack readily available signal propagation models. In this data article, we present a galvanic-coupled BCC signal loss and bioimpedance dataset, which serves as a foundation for building such models.

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Article Synopsis
  • - The text examines the aging and degradation of biological organisms through the lens of statistical physics, focusing on two key timescales: metabolic processes and life cycles.
  • - It proposes a kinetic equation to explain short-term processes in these systems and emphasizes the need for a constant input of negative entropy to keep biological systems stable.
  • - The study includes an analysis of epithelial aging and discusses the relationship between this approach and information theory, including the concept of cooperons and their evolution over time.
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  • * It highlights how cooperation among different parts of an organism reduces entropy, indicating that multicellular organisms have lower entropy compared to colonies of unicellular organisms.
  • * A kinetic model of metabolism, aligning with Schrödinger's idea of "negentropy feeding," is introduced to calculate and compare local nonequilibrium entropy with equilibrium entropy found in non-living systems.
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We present the fabrication and investigation of the properties of nanocomposite structures consisting of two-dimensional (2D) and three-dimensional (3D) metallic nano-objects self-organized on the surface and inside of organic molecular thin-film copper tetrafluorophthalocyanine (CuPcF). Metallic atoms, deposited under ultrahigh vacuum (UHV) conditions onto the organic ultrathin film, diffuse along the surface and self-assemble into a system of 2D metallic overlayers. At the same time, the majority of the metal atoms diffuse into the organic matrix and self-organize into 3D nanoparticles (NPs) in a well-defined manner.

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The mechanism of few-layer graphene growth on the technologically relevant cubic-SiC/Si(001) substrate is uncovered using high-resolution core-level and angle-resolved photoelectron spectroscopy, low-energy electron microscopy, and microspot low-energy electron diffraction. The thickness of the graphitic overlayer supported on the silicon carbide substrate and related changes in the surface structure are precisely controlled by monitoring the progress of the surface graphitization in situ during high-temperature graphene synthesis, using a combination of microspectroscopic techniques. The experimental data reveal gradual changes in the preferential graphene lattice orientations at the initial stages of the few-layer graphene growth on SiC(001) and can act as reference data for controllable growth of single-, double-, and triple-layer graphene on silicon carbide substrates.

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