An accurate, rapid, and quantitative method for analyzing variety of biomolecules, such as DNA and proteins, is necessary in many biomedical applications and could help address several scientific issues in molecular biology. Recent experiments have…
Papers in (Sub-)Surface Sensing Technologies and Systems
(Sub-)Surface Sensing Technologies and Systems papers in Electrical and Electronic Engineering, A
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Autonomous navigation of a flying object requires the measurement of velocity and position in absolute or relative means. A possible approach is to measure the air flow velocity on the object. Measurement on a flying object requires low-power and…
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Aβ (amyloid-β peptide) assembles to form amyloid fibres that accumulate in senile plaques associated with AD (Alzheimer's disease). The major constituent, a 42-residue Aβ, has the propensity to assemble and form soluble and potentially cytotoxic…
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This paper explores a Bayesian theoretic approach to constructing multiscale complex-phase-order representations. We formulate the construction of complex-phase-order representations at different structural scales based on the scale-space theory.…
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One of the major pathological features of Alzheimer's disease (AD) is the presence of extracellular amyloid plaques that are composed predominantly of the amyloid-beta peptide (Abeta). Diffuse plaques associated with AD are composed predominantly of…
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Clarification of the molecular and cellular mechanisms underlying the assembly of amyloid beta-protein (Abeta) into insoluble fibrils in the brain has been one of the biggest challenges in the research on Alzheimer disease (AD). We previously…
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Computational and biological systems are often distributed so that processors (cells) jointly solve a task, without any of them receiving all inputs or observing all outputs. Maximal independent set (MIS) selection is a fundamental distributed…
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We report on a micromachined silicon chip that is capable of providing a high-throughput functional assay based on calorimetry. A prototype twin microcalorimeter based on the Seebeck effect has been fabricated by using IC technology process steps in…
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The immobilization efficiency of molecular detectors is of great importance with regard to the performances of biosensors such as the sensitivity, stability, and reproducibility. This paper presents a biomimetic olfactory receptor-based biosensor…
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Blue InGaN micro-size light emitting diodes (LEDs) with diameters from 3 to 70 mu m have been fabricated. An ion implantation technique and a 12 mu m electro-ridge were used to simplify the fabrication processes. The 3-70 mu m LEDs exhibiting a…
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The development of a medical surgical tool packaged with micro sensors for transmission of Supermedia information over the Internet is described in this paper. We define Supermedia as a set of communication media, which encompasses acoustic, force,…
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The authors sought to develop and test a breath-controlled video game using a digital spirometer that, by providing visual breath biofeedback, could promote awareness of breathing techniques in children with cystic fibrosis (CF). To assess…
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This paper presents a simple model for such processes as spin diffusion or conduction in the "impurity band." These processes involve transport in a lattice which is in some sense random, and in them diffusion is expected to take place via quantum…
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We calculate an effect of spinless impurities on the spin Hall effect of the Luttinger model representing p-type semiconductors. The self-energy in the Born approximation becomes diagonal in the helicity basis and its value is independent of the…
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The simulation results of absorption enhancement in an amorphous-Si (a-Si) solar cell by depositing metal nanoparticles (NPs) on the device top and embedding metal NPs in a layer above the Al back-reflector are demonstrated. The absorption increase…
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Absorption losses at a nanorough silver back reflector of a solar cell were measured with high accuracy by photothermal deflection spectroscopy. Roughness was characterized by atomic force microscopy. The observed increase of absorption, compared to…
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The heat flux of animal cells growing in vitro is a direct measurement of their specific metabolic activity because the majority of the substrate Gibbs energy is dissipated as heat with only a small quantity being dissipated as entropy conserved in…
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We present quantitative and qualitative detection of analyte vapors using a microfabricated silicon cantilever array. To observe transduction of physical and chemical processes into nanomechanical motion of the cantilever, swelling of a polymer…
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In this paper, we have proposed and demonstrated a dual mode proximity sensor which can detect not only proximity but also touch of an object for robot assistant applications. The sensor operates in two modes: proximity mode and tactile mode.…
Papers in associated sub-disciplines
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