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Sandor Kasas

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Publications associées (77)

A Role for Septins in the Interaction between the Listeria monocytogenes Invasion Protein InlB and the Met Receptor

Charles Roduit, Sandor Kasas

Septins are conserved GTPases that form filaments and are required for cell division. During interphase, septin filaments associate with cellular membrane and cytoskeleton networks, yet the functional significance of these associations have, to our knowled ...

Elsevier2011

Human topoisomerase II-DNA interaction study by using atomic force microscopy

Charles Roduit, Giovanni Dietler, Sandor Kasas, Livan Bladimir Alonso Sarduy

AFM; DNA topology; Human topoisomerase II; Binding geometry; Time-lapse imaging; Protein–DNA interaction ...

Elsevier2011

Atomic Force Microscopy Imaging of Living Cells

Charles Roduit, Sandor Kasas

Cambridge, Cambridge University Press2010

Microcontroller-driven fluid-injection system for atomic force microscopy

Giovanni Dietler, Sandor Kasas, Livan Bladimir Alonso Sarduy

We present a programmable microcontroller-driven injection system for the exchange of imaging medium during atomic force microscopy. Using this low-noise system, high-resolution imaging can be performed during this process of injection without disturbance. ...

American Institute of Physics2010

Stiffness Tomography by Atomic Force Microscopy

Charles Roduit, Giovanni Dietler, Sandor Kasas, Serguei Sekatski

The atomic force microscope is a convenient tool to probe living samples at the nanometric scale. Among its numerous capabilities, the instrument can be operated as a namo-indenter to gather information about the mechanical properties of the sample. In thi ...

2009

Elastic membrane heterogeneity of living cells revealed by stiff nanoscale membrane domains

Charles Roduit, Giovanni Dietler, Paolo De Los Rios, Sandor Kasas, Pascal Steiner, Alexandre Yersin, Françoise Gisou van der Goot Grunberg

Many approaches have been developed to characterize the heterogeneity of membranes in living cells. In this study, the elastic properties of specific membrane domains in living cells are characterized by atomic force microscopy. Our data reveal the existen ...

Elsevier2008

Temperature-Dependent Elasticity of Microtubules

László Forró, Andrzej Kulik, Andras Kis, Sandor Kasas

Central to the biological function of microtubules. is their ability to modify their length which occurs by addition and removal of subunits at the ends of the polymer, both in vivo and in vitro. This dynamic behavior is strongly influenced by temperature. ...

American Chemical Society2008

Probing nanomechanical properties from biomolecules to living cells

Giovanni Dietler, Sandor Kasas

Atomic force microscopy is being increasingly used to explore the physical properties of biological structures. This technique involves the application of a force to the sample and a monitoring of the ensuing deformation process. The available experimental ...

Springer-Verlag2008

Persisting atypical and cystic forms of Borrelia burgdorferi and local inflammation in Lyme neuroborreliosis

Sandor Kasas

Background: The long latent stage seen in syphilis, followed by chronic central nervous system infection and inflammation, can be explained by the persistence of atypical cystic and granular forms of Treponema pallidum. We investigated whether a similar si ...

2008

Characterization of MAP1B heavy chain interaction with actin

Giovanni Dietler, Sandor Kasas

2007

Stiffness tomography by atomic force microscopy

Charles Roduit, Sandor Kasas

A method of analyzing a sample with a probe based measurement instrument using stiffness tomography. Stiffness or elastic modulus data obtained through contact measurement with the sample as a function of depth is used in the detection of features, particu ...

2007

Techniques for measuring microtubule stiffness

Giovanni Dietler, Sandor Kasas

2007

Cellular toxicity of carbon-based nanomaterials

László Forró, Sandor Kasas, Jin Won Seo, Arnaud Magrez

The cellular toxicity of carbon-based nanomaterials was studied as a function of their aspect ratio and surface chemistry. These structures were multiwalled carbon nanotubes, carbon nanofibers, and carbon nanoparticles. Their toxicity was tested in vitro o ...

2006

Singlet oxygen ((1)Delta(g))-mediated oxidation of cellular and subcellular components: ESR and AFM assays

László Forró, Andrzej Kulik, Andrzej Sienkiewicz, Sandor Kasas

We report a comprehensive in vitro study of the photo-oxidative stress on different biomolecular and cellular targets generated in the presence of fullerol C-60(OH)(n), a novel, fullerene-based and water-soluble sensitizer of singlet oxygen ((1)Delta(g)). ...

Institute of Physics2005

Gradient of Rigidity in the Lamellipodia of Migrating Cells Revealed by Atomic Force Microscopy

Jean-Jacques Meister, Giovanni Dietler, Alexander Verkhovskiy, Sandor Kasas, Alexandre Yersin

Changes in mechanical properties of the cytoplasm have been implicated in cell motility, but there is little information about these properties in specific regions of the cell at specific stages of the cell migration process. Fish epidermal keratocytes wit ...

2005

Interactions between NEEP21, GRIP1 and GluR2 regulate sorting and recycling of the glutamate receptor subunit GluR2

Giovanni Dietler, Harald Hirling, Sandor Kasas, Juan-Carlos Sarria, Pascal Steiner, Alexandre Yersin, Karina Kulangara

2005

Superficial and deep changes of cellular mechanical properties following cytoskeleton disassembly

László Forró, Giovanni Dietler, Harald Hirling, Sandor Kasas, Alexandre Yersin, Gabriele Grenningloh, Xiao Wang

2005

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