Browsing by Subject "Atomic force microscopy"
Now showing items 1-20 of 31
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Article
Atomic Force Microscopy Probing of Cancer Cells and Tumor Microenvironment Components
(2016)Cancer cells have different characteristics from normal cells in terms of morphology, cell–cell interactions, cytoskeleton organization, cell growth rates, and cell-extracellular matrix interactions. Although the clarification ...
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Cationic telechelic polyelectrolytes: Synthesis by group transfer polymerization and self-organization in aqueous media
(2006)ABA triblock copolymers comprising a relative long poly(2-(dimethylamino) ethyl methacrylate) end-capped by short poly(methyl methacrylate) blocks (PMMA-b-PDMAEMA-b-PMMA) were synthesized using group transfer polymerization ...
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Deposition and nanotribological characterization of Sub-100-nm thick protective Ti-based coatings for miniature applications
(2011)Ti-based protective thin films with thicknesses below 100 nm, intended for miniature applications were deposited using physical vapor deposition magnetron sputtering. X-ray diffraction (XRD), scanning electron microscopy, ...
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Article
Effect of pigment dispersion on optical properties and durability of a TiO2 pigmented epoxy coating
(2009)The effect of pigment dispersion on (i) surface morphology and appearance, and (ii) the weathering durability of a TiO2 pigmented epoxy coating was investigated. The microstructure and dispersion of pigmented epoxy coatings ...
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Empirical bayes approach to wavelet regression using ε-contaminated priors
(2004)We consider an empirical Bayes approach to standard nonparametric regression estimation using a nonlinear wavelet methodology. Instead of specifying a single prior distribution on the parameter space of wavelet coefficients, ...
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Article
Enhancing the nanoscratch resistance of pulsed laser deposited DLC films through molybdenum-doping
(2017)Pulsed laser deposition was used to grow DLC and molybdenum-doped DLC (DLC:Mo) films, with metal contents up to 3.2 at.%, on silicon substrates. The microstructural details of the films were investigated using X-ray ...
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Article
Growth and structural characterization of orthorhombic and tetragonal SrCuO2 thin films
(2013)Epitaxial SrCuO2 thin films were grown on (0 0 1) SrTiO 3 substrates by pulsed laser deposition using a stoichiometric target. X-ray diffraction indicated that the SrCuO2 films undergo a structural phase transition as a ...
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Identification of Ras suppressor-1 (RSU-1) as a potential breast cancer metastasis biomarker using a three-dimensional in vitro approach
(2017)Breast cancer (BC) is the most common malignant disease in women, with most patients dying from metastasis to distant organs, making discovery of novel metastasis biomarkers and therapeutic targets imperative. Extracellular ...
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Measurement of liquid crystal film thickness using interferometry
(2010)Thickness measurements of thin films having thickness less than 1 µm are difficult to obtain by an interferometer. These difficulties arise from the overlap of the fringes from the upper and lower surfaces of the thin ...
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Microstructure and nanomechanical properties of pulsed excimer laser deposited DLC:Ag films: Enhanced nanotribological response
(2017)Diamond-like carbon:silver (DLC:Ag) thin films, with metal contents as high as 16.8 at.%, have been deposited on silicon substrates using pulsed excimer laser deposition
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MRI-based morphological modeling, synthesis and characterization of cardiac tissue-mimicking materials
(2012)This study uses standard synthetic methodologies to produce tissue-mimicking materials that match the morphology and emulate the in vivo murine and human cardiac mechanical and imaging characteristics, with dynamic mechanical ...
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Conference Object
Nanophase separated anionic amphiphilic model conetworks based on methacrylic acid
(2007)Two series of model amphiphilic polymer conetworks were synthesized by group transfer polymerization (GTP). The first one contained methyl methacrylate (MMA) and the second one 2-butyl-l-octyl methacrylate (BOMA) as ...
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Article
Numerical modelling for atomic-force-microscopy-based impedance imaging
(2005)This paper is motivated by the pioneering work of O'Hayre et al. and of Kalinin and Bonnell who brought together the imaging modalities of atomic force microscopy (AFM) and electrical impedance spectroscopy. With the ...
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Article
Optically thin palladium films on silicon-based substrates and nanostructure formation: effects of hydrogen
(2000)Optically thin palladium films evaporated on different silicon-based substrates are investigated following exposure to different concentrations of hydrogen gas in air. Laser modulated reflectance off the palladium surface ...
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PLD of Fe3O4 thin films: Influence of background gas on surface morphology and magnetic properties
(2006)Ablation of Fe3O4 targets has been performed using a pulsed UV laser (KrF, λ = 248 nm, 30 ns pulse duration) onto Si(100) substrates, in reactive atmospheres of O2 and/or Ar, with different oxygen partial pressures. The ...
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Article
Properties of Si-doped GaN and AlGaN/GaN heterostructures grown by RF-MBE on high resistivity Fe-doped GaN
(2006)Silicon-doped GaN epilayers and AlGaN/GaN heterostructures were developed by nitrogen plasma-assisted molecular beam epitaxy on high resistivity iron-doped GaN (0001) templates and their properties were investigated by ...
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Article
A Prototype Device for 3D Regional, Passive Elasticity Measurements of the Murine Myocardium Using AFM
(2016)This study presents the design and implementation of a prototype device that interfaces with commercial atomic force microscopy (AFM) instruments to accurately measure ex vivo, regional, passive elasticity measurements of ...
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Article
Pulsed laser deposition of highly textured La 5Ca 9Cu 24O 41 films on SrLaAlO 4 (1 0 0) and Gd 3Ga 5O 12 (1 0 0) substrates
(2012)The growth of La 5Ca 9Cu 24O 41 thin films on SrLaAlO 4 (1 0 0) and Gd 3Ga 5O 12 (1 0 0) substrates by pulsed laser deposition is reported in this paper. The influence of deposition process parameters, such as oxygen ...
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Article
Pulsed-laser deposition of NiMnSb thin films at moderate temperatures
(2002)Thin films of the half-Heusler alloy NiMnSb, which is predicted by band-structure calculations to be a half-metallic ferromagnet, were grown on various substrates (Si and InAs) using pulsed-laser deposition. The growth ...
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Article
Regional elastic modulus measurements of the ex-vivo murine heart using atomic force microscopy
(2013)Stiffness is an important mechanical index for characterisation of human and animal cells, tissues and intact organs. This study presents efforts for passive mechanical characterisation of the ex-vivo C57BL/6 murine heart ...