FORCE MICROSCOPY
Effect of oxidizing and reducing atmospheres on Ba(Ti0.90 Zr0.10)O3:2V ceramics as characterized by piezoresponse force microscopy
... The effect of annealing atmospheres (At amb , N 2 and O 2 ) on the electrical properties of Ba(Ti 0.90 Zr 0.10 )O 3 :2V (BZT10:2V) ceramics obtained by the mixed oxide method was investigated. X-ray photoelectron ...
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Atomic force microscopy evidences of bacterial cell damage caused by propolis extracts on E. coli and S. aureus
... The interaction of the aqueous extract of green propolis with the bacterial envelope was investigated using atomic force microscopy on E. coli and S. aureus, as Gram-negative and Gram-positive model ...
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Deciphering the structure, growth and assembly of amyloid-like fibrils using high-speed atomic force microscopy.
... electron microscopy (EM), and atomic force microscopy (AFM), it was proposed that lithostathine is first assembled via lateral hydrophobic interactions as a ...
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Piezoelectricity and ferroelectricity in biomaterials: Molecular modeling and piezoresponse force microscopy measurements
... The studies of the piezoelectric and ferroelectric proper- ties of biomaterials at the nanoscale have become possible only recently thanks to the fast developments of Scanning Probe Microscopy including ...
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Identification of microcistin LR at the molecular level using atomic force microscopy.
... atomic force microscope, after surface functionalization using 3-aminopropyltriethoxysilane and ...tips. Force versus distance curves were successfully used to measure the speciic antibody-antigen ...
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Effect of the Insertion and Polymerization Technique in Composite Resin Restorations: Analysis of Marginal Gap by Atomic Force Microscopy
... Abstract: This in vitro study evaluated the marginal gap at the composite tooth/resin interface in class V cavities under the influence of two insertion techniques and a curing system by means of atomic force ...
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Study of the effects of the antifungal defensin Psd1 in Candida albicans using atomic force microscopy and flow cytometry
... fungal-specific membrane components [1]. Candida albicans is an important human pathogen, causing oral, genital and systemic opportunistic infections, which are especially relevant clinically in immunocompromised ...
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Model-based traction force microscopy reveals differential tension in cellular actin bundles.
... traction force microscopy (TFM) on soft elastic substrates [8–10], pillar arrays [11,12], and fluo- rescent force sensors ...traction force field can be reconstructed (Fig 1C) and correlated ...
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Resolving structure and mechanical properties at the nanoscale of viruses with frequency modulation atomic force microscopy.
... Atomic force microscopy (AFM) fulfills these requirements providing images of individual virus particles under physiological conditions, along with the characterization of a variety of properties including ...
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Atomic force microscopy study of the antibacterial effects of chitosans on Escherichia coli and Staphylococcus aureus
... Chitosan has been reported to be a non-toxic, biodegradable antibacterial agent. The aim of this work was to elucidate the relationship between the molecular weight of chitosan and its antimicrobial activity upon two ...
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Subsurface nanodomains with in-plane polarization in uniaxial ferroelectrics via scanning force microscopy
... can be performed using a scanning force microscope (SFM) in the contact mode and applying sufficient direct current voltage between the sharp conducting tip and bottom electrode. 5 , 6 The same setup allows the ...
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Atomic force microscopy assisted with electron and ion beam microscopy for the direct measurement of biostructures and DNA samples
... The objective of this dissertation and, by extension, the laboratory worked developed with it, was beyond acquiring the skills needed for atomic force microscopy operation and preparation, especially ...
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Calculation of Intracellular Pressure of Red Blood Cells at Jaundice According to Atomic Force Microscopy Data
... However, to compare the calculated data with ex- perimental data obtained by AFM, these models need to be supplemented for several reasons [7-18]. The erythrocyte shape does not change and its volume at 95-99 % filled ...
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Atomic force microscopy study of nano-physiological response of ladybird beetles to photostimuli.
... Methodology/Principal Findings: Here we applied an atomic force microscopy (AFM) method to study stimulation of ladybird beetles with light. This method allows for measuring of the internal physiological ...
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Modes of Escherichia coli Dps Interaction with DNA as Revealed by Atomic Force Microscopy.
... atomic force microscopy that Dps predominantly occupies thermodynamically unstable ends of linear double-stranded DNA fragments and has high affinity to the central part of the branched DNA molecule ...
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Release profiles and morphological characterization by atomic force microscopy and photon correlation spectroscopy of
... Several classes of antifungal have been employed in candidiasis treatment, but patients with advanced immunodeficiency can present unsatis- factory results after therapy. In these cases, high doses of drugs or the use of ...
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Influence of a quaternary ammonium compound on the cell structure of bacteria using atomic force microscopy
... atomic force microscopy (AFM) belongs to the broad family of scanning probe microscopes (SPM), in which a probe is used for investigating surface topography and properties with sub-nanometer ...
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Preface to Special Topic: Selected Papers from the Piezoresponse Force Microscopy Workshop Series: Part of the Joint ISAF-ECAPD-PFM 2012 Conference
... Piezoresponse Force Microscopy (PFM) and Nanoscale Phenomena in Polar Materials held in Aveiro, Portugal on July 9 13, 2012, in conjunction with the 21st IEEE International Symposium on Applications of ...
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Atomic force microscopy applied to immunoassays.
... (“Atomic Force Microscopy” - AFM), também conhecido como SFM (“Scanning Force Microscopy”), que pode produzir imagens de superfícies não condutoras e condutoras 16-18 ...
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Nanoparticles charge response from electrostatic force microscopy
... Humboldt Universit€ at zu Berlin, Institut f€ ur Chemie, Brook Taylor Str. 2, 12489 Berlin, Germany (Received 5 September 2012; accepted 21 January 2013; published online 6 February 2013) Electrostatic force ...
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