principle of atomic force microscopy pdf

... Ranck J-L (2000) Use of detergents in two-dimensional crystallization of membrane proteins. Biochim Biophys Acta 1508, 112–128. 27 Bahatyrova S (2005) Atomic force microscopy of bacterial photosynthetic ... The inset of Fig. 4A shows a scheme of the packing config- uration of dimers. Such a specific arrangement is exemplified in the inset of Fig. 4B, in which the up and down configuration of LH2’s can ... the formation 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...

Ngày tải lên: 18/02/2014, 18:20

... Mg 2+ as a cofactor, and the binding of Mg 2+ Keywords atomic force microscopy; proton translocation; tonoplast; vacuolar H + -pyrophosphatase; vacuole Correspondence R 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 in model membranes with atomic force microscopy. ... (1990) Direct visualization of phosphory- lase–phosphorylase kinase complexes by scanning tunneling and atomic force microscopy. Biophys J 58, 1437–1448. Adjacent C-termini of dimeric H + -pyrophosphatase...

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... 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 DNA cruciforms. J. Mol. Biol. 280, 61–72. 15. Lyubchenko, Y.L., Jacobs, B.L., Lindsay, S.M. & Stasiak, A. (1995) Atomic- force microscopy of nucleoprotein ... after drying it was imaged with an atomic force microscope in air. Various types of thick protrusions have been observed on pTIR10 DNA. Structural parameters (width and height) of DNA molecules suggest...

Ngày tải lên: 31/03/2014, 23:20

... the adhesive force of the immature 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). The measured adhesion force (352.37 ... 6:455 http://www.nanoscalereslett.com/content/6/1/455 Page 7 of 9 NANO EXPRESS Open Access Comparison of immature and mature bone marrow-derived dendritic cells by atomic force microscopy Feiyue Xing 1* , Jiongkun ... study of immature and mature bone marrow-derived dendritic cells (BMDCs) was first performed through an atomic force microscope (AFM) to clarify differences of their nanostructure and adhesion force. ...

Ngày tải lên: 21/06/2014, 02:20

... on the study of the radial contact resistance between a conductive tip and a si ngle MWCNT, then between this CNT and a metal sub- strate. By means of conductive probe atomic force microscopy (CP-AFM), ... 6:335 http://www.nanoscalereslett.com/content/6/1/335 Page 3 of 10 NANO EXPRESS Open Access Evaluation of the nanotube intrinsic resistance across the tip-carbon nanotube-metal substrate junction by Atomic Force Microscopy Maguy Dominiczak 1,2 , ... CNTs and substrate. Abbreviations AFM: atomic force microscope; AuNPs: gold nanoparticles; CNTs: carbon nanotubes; CP-AFM: conductive probe atomic force microscopy; CVD: chemical vapour deposition;...

Ngày tải lên: 21/06/2014, 04:20

... Characterization by atomic force microscopy of alzheimer paired helical filaments under physiological conditions. Biophys J 2004, 86:517-525. 13. Eaton P, West P: Atomic Force Microscopy New York: ... Access Optimizing atomic force microscopy for characterization of diamond-protein interfaces Bohuslav 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 Sci 1999, 140:400-405. 20. Rezek B, Shin D, Nebel CE: Properties of hybridized DNA arrays...

Ngày tải lên: 21/06/2014, 04:20

... mechanisms of the in-situ electron beam-induced self- organization of gold nanoclusters in SiO 2 . J Phys D 2009, 42:075304. 17. Ruffino F, Grimaldi MG: Atomic force microscopy study of the growth mechanisms ... morphological properties. We report on an atomic force microscopy (AFM) study of the morphology evolution of Au film deposited on mica by room-temperature sputtering as a function of subsequent annealing processes. ... Sarid D: Scanning Force Microscopy with Applications to Electric, Magnetic and Atomic Forces Oxford: Oxford University Press; 1994. 42. Sigsbee RA: Adatom capture and growth rates of nuclei. J Appl...

Ngày tải lên: 21/06/2014, 05:20

... sample of vertical SiNWs on n-type Si wafer with 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 a horizontal Si wire of 400-nm diameter which extends over one hundred of microns. The In catalyst is still visible at the end of the wire. * Correspondence: ... electrical properties of metal surfaces by atomic force microscopy with conducting probes. Appl Phys Lett 1996, 69:1975. 13. Yu L, Rocai Cabarrocas P: Initial nucleation and growth of in-plane solid- liquid-solid...

Ngày tải lên: 21/06/2014, 06:20

... 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 the spreading 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 AFM experiments, the heights of imaged proteins were mea- sured, and the distribution of protein images with height was built. AFM of...

Ngày tải lên: 21/06/2014, 11:20

... room-temperature growth of sputtered Au films on SiO 2 using the atomic force microscopy technique. By the analyses of the dependence of the roughness, r, of the surface roughness power, P(f), and of the correlation length, ... Scanning Probe Microscopy and Spectroscopy (Cambridge University Press, Cambridge, 1994) 10. D. Sarid, Scanning Force Microscopy with Applications to Electric, Magnetic and Atomic Forces (Oxford ... and volume of the Au nanometric grains forming the film can be obtained. The XEI software for the analyses of the AFM images allow to obtain the distribution of the grains radii, R, and of the grains...

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... reduces the scan range of the image and so reduces the number of cuticle steps per image. Analysis of Human Fibroblasts by AFM 53 53 5 Analysis of Human Fibroblasts by Atomic Force Microscopy Gillian ... filament dynamics in living glial cells imaged by atomic force microscopy. Science 257, 1944–1946. 3. Hoh, J. H. and Hansma, P. K. (1992) Atomic force microscopy for high-resolu- tion imaging in cell ... Listing REM********************************************************************** REM*** IMAGE ANALYSIS OF ATOMIC FORCE MICROSCOPY IMAGES *** REM*** OF HUMAN HAIR *** REM*** *** REM*** J.R. SMITH, SPM LABORATORY, *** REM*** UNIVERSITY OF PORTSMOUTH *** REM********************************************************************** DIM...

Ngày tải lên: 11/04/2014, 02:07

... 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 W f data ... 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 on groove size. Jpn J Appl Phys 2008, 47:712-714. 23. Tseng AA: A comparison study of scratch and wear properties using atomic force microscopy. ...

Ngày tải lên: 21/06/2014, 00:20

... creation and characterization of structures, patterns, and devices at the nanometer scale. In particular, atomic force microscopy (AFM) local anodic oxidation [1] is one of the most versatile methods ... the curvature radius of *35 nm, the force constant of 34 N m -1 , and the resonance frequency of 350 kHz, respectively. The sample was a p-GaAs(100) wafer with the resistivity of 10 X cm and root-mean-square surface ... threshold value of *2 9 10 7 Vcm -1 . In addition, results indicate that the height of oxide nanodots is significantly enhanced with an AC voltage for both types of probes. The influence of the AC voltages...

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