applications of atomic force microscopy ppt
Báo cáo hóa học: " Evaluation of the nanotube intrinsic resistance across the tip-carbon nanotube-metal substrate junction by Atomic Force Microscopy" pptx
... on the study of the radial contactresistance between a conductive tip and a si ngleMWCNT, then between this CNT and a metal sub-strate. By means of conductive probe atomic force microscopy (CP-AFM), ... 6:335http://www.nanoscalereslett.com/content/6/1/335Page 3 of 10 NANO EXPRESS Open AccessEvaluation of the nanotube intrinsic resistanceacross the tip-carbon nanotube-metal substratejunction by Atomic Force Microscopy Maguy Dominiczak1,2, ... mechanism.IntroductionSince the official publication of the carbon nanotubes(CNTs)imagesduringtheperiodof1950to1990[1],these allotropes have become very promising candidatesfor various applications because of their...
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Báo cáo khoa học: The proximity between C-termini of dimeric vacuolar H+-pyrophosphatase determined using atomic force microscopy and a gold nanoparticle technique ppt
... Mg2+as a cofactor, and the binding of Mg2+Keywords atomic force microscopy; protontranslocation; tonoplast; vacuolarH+-pyrophosphatase; vacuoleCorrespondenceR L. Pan, Department of Life ... charac-terization of supported lipid films with the atomic force microscope. Biochim Biophys Acta 1509, 14–41.16 Rinia HA & de Kruijff B (2001) Imaging domains inmodel membranes with atomic force microscopy. ... (1990) Direct visualization of phosphory-lase–phosphorylase kinase complexes by scanningtunneling and atomic force microscopy. Biophys J 58,1437–1448.Adjacent C-termini of dimeric H+-pyrophosphatase...
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Báo cáo hóa học: " Conductive-probe atomic force microscopy characterization of silicon nanowire" pptx
... sample of vertical SiNWs on n-type Si waferwith diameters in the range of 50-100 nm. The length of wires after planarization was estimated around 1 μm.Conductive-probe atomic force microscopy Local ... a scanning electron microscopy (SEM) image of ahorizontal Si wire of 400-nm diameter which extendsover one hundred of microns. The In catalyst is stillvisible at the end of the wire.* Correspondence: ... mechanism of single crystalgrowth. Appl Phys Lett 1964, 4:89.12. Houzé F, Meyer R, Schneegans O, Boyer L: Imaging the local electricalproperties of metal surfaces by atomic force microscopy...
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Báo cáo hóa học: " Atomic Force Microscopy Study of the Kinetic Roughening in Nanostructured Gold Films on SiO2" ppt
... room-temperature growth of sputtered Au filmson SiO2using the atomic force microscopy technique. Bythe analyses of the dependence of the roughness, r, of thesurface roughness power, P(f), and of the correlationlength, ... Scanning Probe Microscopy and Spectroscopy(Cambridge University Press, Cambridge, 1994)10. D. Sarid, Scanning Force Microscopy with Applications toElectric, Magnetic and Atomic Forces (Oxford ... and volume of the Au nanometricgrains forming the film can be obtained. The XEI softwarefor the analyses of the AFM images allow to obtain thedistribution of the grains radii, R, and of the grains...
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Tài liệu Báo cáo khoa học: Dimers of light-harvesting complex 2 from Rhodobacter sphaeroides characterized in reconstituted 2D crystals with atomic force microscopy docx
... RanckJ-L (2000) Use of detergents in two-dimensionalcrystallization of membrane proteins. Biochim BiophysActa 1508, 112–128.27 Bahatyrova S (2005) Atomic force microscopy of bacterial photosynthetic ... Theinset of Fig. 4A shows a scheme of the packing config-uration of dimers. Such a specific arrangement isexemplified in the inset of Fig. 4B, in which the upand down configuration of LH2’s can ... theformation of functional photosynthetic domains and membrane curvature.To further investigate in detail the packing effects of like-protein photosyn-thetic complexes, we report an atomic force microscopy...
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Báo cáo Y học: Structural heterogeneity of pyrimidine/purine-biased DNA sequence analyzed by atomic force microscopy potx
... nucleoprotein complexes.Scanning Microscopy 9, 705–727.16. Yang, J., Mou, J., Yuan, J.Y. & Shao, Z. (1996) The effect of deformation on the lateral resolution of atomic force microscopy. J. Microsc. ... and dynamics of supercoil-stabilized DNAcruciforms. J. Mol. Biol. 280, 61–72.15. Lyubchenko, Y.L., Jacobs, B.L., Lindsay, S.M. & Stasiak, A.(1995) Atomic- force microscopy of nucleoprotein ... afterdrying it was imaged with an atomic force microscope in air.Various types of thick protrusions have been observed onpTIR10 DNA. Structural parameters (width and height) of DNA molecules suggest...
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atomic force microscopy, biomedical methods and applications
... reduces the scan range of the image and so reduces the number of cuticle steps per image. Analysis of Human Fibroblasts by AFM 53535Analysis of Human Fibroblasts by Atomic Force Microscopy Gillian ... case of cardiomyocytes (15,16). There is clearly considerable scopefor applications of similar methodologies for investigations of other manifes-tations of cellular dynamics.3.2.4. Analysis of ... range of applied force (lever deflection and z-stage travel being the twomeasurable variables).From: Methods in Molecular Biology, vol. 242: Atomic Force Microscopy: Biomedical Methods and Applications Edited...
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Báo cáo hóa học: "Nanopatterning on silicon surface using atomic force microscopy with diamond-like carbon (DLC)-coated Si probe" pptx
... tip.Figure 4 Eff ects of the number of scratch or scan cycle. (a) The AFM image s of the scratches at 10 μNofappliedforceand1μm/s of scratch speed in the forward scratch. (b) Correlation of d and Wfdata ... metal nanodot arrays. Ultramicroscopy 2010, 110:737-740.18. Chen YJ, Hsu JH, Lin HN: Fabrication of metal nanowires by atomic force microscopy nanoscratching and lift-off process. Nanotechnology ... probe microscopy: influence of scanning parameters ongroove size. Jpn J Appl Phys 2008, 47:712-714.23. Tseng AA: A comparison study of scratch and wear properties using atomic force microscopy. ...
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báo cáo hóa học: " Comparison of immature and mature bone marrow-derived dendritic cells by atomic force microscopy" potx
... the adhesive force of theimmature BMDCs treated with 10.0 μg/L of GM-CSF plus 10.0 μg/L of IL-4 (B a) or the mature BMDCs stimulated with 1.0 mg/L of LPS (B b). Themeasured adhesion force (352.37 ... 6:455http://www.nanoscalereslett.com/content/6/1/455Page 7 of 9 NANO EXPRESS Open AccessComparison of immature and mature bonemarrow-derived dendritic cells by atomic force microscopy Feiyue Xing1*, Jiongkun ... study of immature and mature bone marrow-derived dendritic cells (BMDCs) was first performedthrough an atomic force microscope (AFM) to clarify differences of their nanostructure and adhesion force. ...
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Báo cáo hóa học: " Optimizing atomic force microscopy for characterization of diamond-protein interfaces" docx
... Characterization by atomic force microscopy of alzheimer paired helical filaments underphysiological conditions. Biophys J 2004, 86:517-525.13. Eaton P, West P: Atomic Force Microscopy New York: ... AccessOptimizing atomic force microscopy forcharacterization of diamond-protein interfacesBohuslav Rezek†, Egor Ukraintsev*†and Alexander Kromka†Abstract Atomic force microscopy (AFM) ... Kakai T: Observation of single- and double-stranded DNA using non-contact atomic force microscopy. Appl Surf Sci1999, 140:400-405.20. Rezek B, Shin D, Nebel CE: Properties of hybridized DNA arrays...
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Báo cáo hóa học: " Atomic force microscopy investigation of the kinetic growth mechanisms of sputtered nanostructured Au film on mica: towards a nanoscale morphology control" pot
... mechanisms of the in-situ electron beam-induced self-organization of gold nanoclusters in SiO2. J Phys D 2009, 42:075304.17. Ruffino F, Grimaldi MG: Atomic force microscopy study of the growthmechanisms ... Sarid D: Scanning Force Microscopy with Applications to Electric, Magneticand Atomic Forces Oxford: Oxford University Press; 1994.42. Sigsbee RA: Adatom capture and growth rates of nuclei. J Appl ... evaluated.The results of the present work can be of importance inview of the tuning of the morphological characteris tics of the sputter-deposited Au films on mica for various tech-nological applications...
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Báo cáo hóa học: " Atomic Force Microscopy Study of Protein– Protein Interactions in the Cytochrome CYP11A1 (P450scc)-Containing Steroid Hydroxylase System" docx
... height of P4502B4 from X-ray data (2.5 nm).TheloweredvalueofCYP11A1heightmaybesug-gested to be due to the motility of the CYP11A1 mole-cule under the supersharp probe force or to thespreading of ... (a) and density of distribution with height (b) of Ad; AFM image (c) and density of distribution with height (d) of AdR. Tapping mode. Experimental conditions were as follows: 5 μlof1μM Ad and 1 ... height of AFM-visualized objects. Therefore, in a series of AFMexperiments, the heights of imaged proteins were mea-sured, and the distribution of protein images withheight was built.AFM of...
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Báo cáo hóa học: " Nanoscale Visualization of Elastic Inhomogeneities at TiN Coatings Using Ultrasonic Force Microscopy" pptx
... ultrasonicfrequencies of sufficiently high amplitude. The magnitude of the ultrasonic force, or of the ultrasonic -force- inducedadditional cantilever deflection (UFM signal), is dependenton the details of the ... presence of ultrasonic vibration. Fultisresponsible of the ultrasonic deflection (or UFM response) of the cantilever. In the presence of ultrasound, due to thenonlinearity of the tip-sample force, ... to provide information of high value for theengineering of improved coatings.Keywords PVD nanostructured coatings Á TiN ÁUltrasonic force microscopy Á Scanning probe microscopy ÁNanomechanicsIntroductionThe...
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Atomic Force Microscopy in Cell Biology_Methods in Cell Biology Volume 68 pptx
... view of molecular interactionsin terms of interaction forces and their distance dependence. At the molecular level, animportant aspect in the measurement of forces is the dependence of the force ... Auspices of the American Society for Cell BiologyVOLUME 68 Atomic Force Microscopy in Cell BiologyEdited byBhanu P. JenaDepartment of Physiology and PharmacologyWayne State University School of ... properties of a cell would require loading forces of only a few piconewtons, which is not possible at the current state of the technology.Although it was recently discovered that photonic force microscopy...
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Atomic Force Microscopy: Biomedical Methods and Applications doc
... atomic force microscopy tips be inspected by atomic force microscopy? J. Vac. Sci. Technol. B. 9, 1309–1312.3. Keller, D. and Chou, C. C. (1992) Imaging steep, high structures by scanning force microscopy ... (2000) Adapting atomic force microscopy for cell biology. Ultramicroscopy 82, 289–295.14. Workman, R. K. and Manne, S. (2000) Variable temperature fluid stage for atomic force microscopy. Rev. ... Lewis, M. R., and Bovill, E. G. (1999) Quality assess-ment of atomic force microscopy probes by scanning electron microscopy: Corre-lation of tip structure with rendered images. Microsc. Res. Tech....
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