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Papers in (Sub-)Surface Sensing Technologies and Systems

(Sub-)Surface Sensing Technologies and Systems papers in Electrical and Electronic Engineering, I

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Papers 1 - 20 of 158 in (Sub-)Surface Sensing Technologies and Systems, I
  1. The miniaturized calorimetric devices furnish a reduced working flat surface and permits measurements with extremely low-mass quantities. The experimental sensitivity shows relevant position dependence with x-y surface coordinates and with…
  2. The miniaturization of the calorimetric devices to 'nano-sized' scale reduces progressively the available surface of the heat flux detectors with an increase in systematic uncertainty. By means of several Joule and laser signals, the positional…
  3. Micro-calorimetric devices using Si-based sensors are very useful for the study of gas-solid reactions, in which very low mass of reactants are necessary. But in fact the consequence of using flat detectors is an increase of the uncertainty in the…
  4. Identification of energy-dissipation processes at the nanoscale is demonstrated by using amplitude-modulation atomic force microscopy. The variation of the energy dissipated on a surface by a vibrating tip as a function of its oscillation amplitude…
  5. The crystal structure of RNA polymerase II in the act of transcription was determined at 3.3 A resolution. Duplex DNA is seen entering the main cleft of the enzyme and unwinding before the active site. Nine base pairs of DNA-RNA hybrid extend from…
  6. We address the image denoising problem, where zero-mean white and homogeneous Gaussian additive noise is to be removed from a given image. The approach taken is based on sparse and redundant representations over trained dictionaries. Using the K-SVD…
  7. This paper aims to present a review of recent as well as classic image registration methods. Image registration is the process of overlaying images (two or more) of the same scene taken at different times, from different viewpoints, and/or by…
  8. We study the role of surface plasmons in the near-field focusing of a finite-linewidth point dipole by a planar silver film using three-dimensional finite element calculations. We find that the intensity distribution in the image plane at a distance…
  9. We assess the usefulness of electrical resistivity tomography (ERT) in imaging and characterising subsurface solute transport in heterogeneous unconfined aquifers. A field tracer experiment was conducted at the Krauthausen test site, Germany. The…
  10. Parkinson disease (PD) is associated with nigral degeneration and striatal dopamine deficiency. Demonstrating midbrain structural abnormalities with transcranial sonography or diffusion-weighted MRI or showing striatal dopamine terminal dysfunction…
  11. Proteins provide the building blocks for multicomponent molecular units, or pathways, from which higher cellular functions emerge. These units consist of either assemblies of physically interacting proteins or dispersed biochemical activities…
  12. Voltage-contrast scanning electron microscopy is demonstrated as a new technique to locate and characterize defects in single-walled carbon nanotubes. This method images the surface potential along and surrounding a nanotube in device configuration…
  13. Commercial rectangular atomic force microscope cantilever beams made of silicon were set into vibration, using a piezoelectric ultrasonic transducer coupled to the chip of a cantilever. The transducer was excited with continuous rf in the frequency…
  14. The feasibility of employing fluorescent contrast agents to perform optical imaging in tissues and other scattering media has been examined through computational studies. Fluorescence lifetime and yield can give crucial information about local…
  15. Physical properties of metallic foams are a direct consequence of their micro-/macro-structure. To improve these materials, it is necessary to understand exactly how the microstructure determines these properties. In this study we consider a range…
  16. We report an easily visualized liquid crystal (LC)-based system to study the molecular interactions between protein-coated gold nanoparticles (AuNPs) and supported phospholipid monolayer self-assembled at the aqueous-LC interface. Protein-coated…
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