biological applications of atomic force microscopy
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
Ngày tải lên :
18/02/2014, 18:20
... 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...
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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
Ngày tải lên :
16/03/2014, 02:20
... 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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Báo cáo Y học: Structural heterogeneity of pyrimidine/purine-biased DNA sequence analyzed by atomic force microscopy potx
Ngày tải lên :
31/03/2014, 23:20
... 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 ... on the theme of an intra-
molecular triplex. The biological relevance of the structural
features within Pyr/Pur stretches is discussed.
Keywords: alternative DNA structure; atomic force micros-
copy...
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atomic force microscopy, biomedical methods and applications
Ngày tải lên :
11/04/2014, 02:07
... 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 ... case of cardiomyocytes (15,16). There is clearly considerable scope
for 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 two
measurable variables).
From:
Methods in Molecular Biology, vol. 242: Atomic Force Microscopy: Biomedical Methods and Applications
Edited...
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báo cáo hóa học: " Comparison of immature and mature bone marrow-derived dendritic cells by atomic force microscopy" potx
Ngày tải lên :
21/06/2014, 02:20
... 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. ...
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Báo cáo hóa học: " Evaluation of the nanotube intrinsic resistance across the tip-carbon nanotube-metal substrate junction by Atomic Force Microscopy" pptx
Ngày tải lên :
21/06/2014, 04:20
... 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
, ... mechanism.
Introduction
Since the official publication of the carbon nanotubes
(CNTs)imagesduringtheperiodof1950to1990[1],
these allotropes have become very promising candidates
for various applications because of their...
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Báo cáo hóa học: " Optimizing atomic force microscopy for characterization of diamond-protein interfaces" docx
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...
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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
Ngày tải lên :
21/06/2014, 05:20
... 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 ... 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 ... [14-17].
In this framework, the study of the surface morphology
of Au deposited on mica is crucial [18-39] in view of the
fabrication of flat Au films for applications in biological,
electronic, optical...
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Báo cáo hóa học: " Conductive-probe atomic force microscopy characterization of silicon nanowire" pptx
Ngày tải lên :
21/06/2014, 06:20
... 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: ... mechanism of single crystal
growth. Appl Phys Lett 1964, 4:89.
12. Houzé F, Meyer R, Schneegans O, Boyer L: Imaging the local electrical
properties of metal surfaces by atomic force microscopy...
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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
Ngày tải lên :
21/06/2014, 11:20
... 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...
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Báo cáo hóa học: " Atomic Force Microscopy Study of the Kinetic Roughening in Nanostructured Gold Films on SiO2" ppt
Ngày tải lên :
22/06/2014, 01:20
... 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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Atomic Force Microscopy: Biomedical Methods and Applications doc
Ngày tải lên :
27/06/2014, 08:20
... 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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Báo cáo hóa học: "Nanopatterning on silicon surface using atomic force microscopy with diamond-like carbon (DLC)-coated Si probe" pptx
Ngày tải lên :
21/06/2014, 00:20
... 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. ...
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Báo cáo hóa học: "Scanned Probe Oxidation on p-GaAs(100) Surface with an Atomic Force Microscopy" doc
Ngày tải lên :
22/06/2014, 01:20
... 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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Atomic Force Microscopy in Cell Biology_Methods in Cell Biology Volume 68 pptx
Ngày tải lên :
27/06/2014, 08:20
... view of molecular interactions
in terms of interaction forces and their distance dependence. At the molecular level, an
important aspect in the measurement of forces is the dependence of the force ... Department of Molecular Physiology and Biological Physics, Uni-
versity of Virginia School of Medicine, Charlottesville, Virg inia 22908
John C. Sitko (213), Department of Physics, University of California, ... Department of Biochemistry, University of Bologna, 40126
Bologna, Italy
Zhifeng Shao (231, 243), Department of Molecular Physiology and Biological Physics,
University of Virginia School of Medicine,...
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