Publication

Dependence of the most probable and average bond rupture force on the force loading rate: First order correction to the Bell-Evans model

Publications associées (38)

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Silicon microcantilevers with MOSFET detection

Luis Guillermo Villanueva Torrijo

We report the fabrication of silicon microcantilevers with MOSFET detection, to be used in force measurements for biomolecular detection. Thin cantilevers are required for a high force sensitivity. Therefore the source and drain of the transistors have bee ...

2010

Development of a 2-DOF Electrostatic Haptic Joystick for MRI/fMRI Applications

This paper describes the development of a 2-DOF electrostatic haptic joystick designed for neuroscience studies in an MRI/fMRI. The joystick is fabricated using non-magnetic materials and actuated by two high-power electrostatic motor units which produce v ...

2009

Silicon microcantilevers with MOSFET detection

Luis Guillermo Villanueva Torrijo

2009

Physical properties and interactions of biomolecules

Mélanie Favre

The aim of this thesis was to explore the statistical physics and the mechanical properties of individual biomolecules, to study their interactions, and to develop new techniques based on atomic force microscopy (AFM). First, we exploit the high resolution ...

EPFL2008

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

Mechanical characterization of a dielectric elastomer microactuator with ion-implanted electrodes

Herbert Shea, Samuel Rosset, Muhamed Niklaus

We report on the mechanical characterization and modeling of a non-prestretched dielectric elastomer diaphragm microactuator with ion-implanted electrodes under the influence of a distributed load (pressure). Thin polydimethysiloxane (PDMS) membranes (30 u ...

2008

Analytical Force Determination in an Electromagnetic Actuator

Yves Perriard, Marcel Jufer, Miroslav Markovic

We present an original analytical determination of the force acting on the moving coil in an electromagnetic actuator. The actuator magnetic field is solved analytically by Schwarz-Christoffel (SC) mapping. The SC integral is solved analytically using the ...

2008

The role of calcium and magnesium in the concrete tubes of the sandcastle worm

Georg Fantner

Sandcastle worms Phragmatopoma californica build mound-like reefs by sticking together large numbers of sand grains with cement secreted from the building organ. The cement consists of protein plus substantial amounts of calcium and magnesium, which are no ...

2007

Electrostatic Glass Motors

This Master project concerns the electrostatic motors and focus essentially on the transverse force producing the torque. A study of this force is done with a glass sample and an electret sample under different input parameters such as the applied voltage, ...

2006

The Casimir force in the semi-classical regime

The present thesis is devoted to a detailed study of the Casimir force exerting between two parallel metallic plates whose conducting behaviour is described on the microscopic level. In the semi-classical regime, which corresponds to large separations and ...

EPFL2006