Publications associées à Ressort moteur

3D printed fiber-optic nanomechanical bioprobe

Sandor Kasas, Jiangtao Zhou, Yiping Wang, Yuguang Chen

Ultrasensitive nanomechanical instruments, e.g. atomic force microscopy (AFM), can be used to perform delicate biomechanical measurements and reveal the complex mechanical environment of biological processes. However, these instruments are limited because ...

IOP Publishing Ltd2023

Flexure Variable Stiffness Actuators

Jamie Paik, Mustafa Mete, Frédéric Henri Vaskin Giraud

Series elastic actuators (SEAs) and variable elastic actuators (VSAs) provide shock resistance, energy storage, and stable force control. However, they usually require extra springs, mechanical parts, and transmissions, increasing size, weight, number of m ...

WILEY2022

Gravity-Insensitive Flexure Pivot Oscillators

Simon Nessim Henein, Ilan Vardi, Etienne Frédéric Gabriel Thalmann, Lennart Rubbert, Mohammad Hussein Kahrobaiyan

Classical mechanical watch plain bearing pivots have frictional losses limiting the quality factor of the hairspring-balance wheel oscillator. Replacement by flexure pivots leads to a drastic reduction in friction and an order of magnitude increase in qual ...

2018

Apparatus for treating excess intraocular fluid

Nikolaos Stergiopoulos, Constantinos Stergiopulos

Apparatus and methods are provided for treating diseases that produce elevated intraocular pressures, such as glaucoma, wherein the device operates on the principles of a Starling resistor, and includes a housing, a deformable structure and a spring mounte ...

2017

Gravity insensitive flexure pivots for watch oscillators

Simon Nessim Henein, Ilan Vardi, Lennart Rubbert, Mohammad Hussein Kahrobaiyan

Classical pivots have frictional losses leading to the limited quality factor of oscillators used as time bases in mechanical watches. Flexure pivots address these issues by greatly reducing friction. However, they have drawbacks such as gravity sensitivit ...

2016

Structure of the T4 baseplate and its function in triggering sheath contraction

Henning Paul-Julius Stahlberg, Petr Leiman, Ricardo Cesar Guerrero Ferreira, Christopher Browning, Nikolai Prokhorov

Several systems, including contractile tail bacteriophages, the type VI secretion system and R-type pyocins, use a multiprotein tubular apparatus to attach to and penetrate host cell membranes. This macromolecular machine resembles a stretched, coiled spri ...

Nature Publishing Group2016

Ultra-soft cantilevers and 3-D micro-patterned substrates for contractile bundle tension measurement in living cells

Jean-Jacques Meister, Niccolo Piacentini, Chiara Gabella, Benoît Vianay

Actin-myosin microfilament bundles or stress-fibers are the principal tension-generating structures in the cell. Their mechanical properties are critical for cell shape, motion, and interaction with other cells and extracellular matrix, but were so far dif ...

Royal Society of Chemistry2014

Two-dimensional cantilever array with varying spring constants and tip radii for life-science applications

Nico de Rooij, Terunobu Akiyama, Sebastian Gautsch, Peter Vettiger, Frédéric Loizeau, André Meister

A fabrication process for realising two-dimensional cantilever arrays for parallel force spectroscopy of biological samples is presented. The parallel optical atomic force microscopy readout system has been developed and presented elsewhere. The arrays are ...

2012

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Ressort moteur

3D printed fiber-optic nanomechanical bioprobe

Resonant Transducers Consisting of Graphene Ribbons with Attached Proof Masses for NEMS Sensors

Flexure Variable Stiffness Actuators

Gravity-Insensitive Flexure Pivot Oscillators

Apparatus for treating excess intraocular fluid

Gravity insensitive flexure pivots for watch oscillators

Ultrasonic driving method

Structure of the T4 baseplate and its function in triggering sheath contraction

Ultra-soft cantilevers and 3-D micro-patterned substrates for contractile bundle tension measurement in living cells

Two-dimensional cantilever array with varying spring constants and tip radii for life-science applications

Graph Chatbot

Chattez avec Graph Search

Flexure Variable Stiffness Actuators

Resonant Transducers Consisting of Graphene Ribbons with Attached Proof Masses for NEMS Sensors

Apparatus for treating excess intraocular fluid

Gravity insensitive flexure pivots for watch oscillators

Two-dimensional cantilever array with varying spring constants and tip radii for life-science applications

3D printed fiber-optic nanomechanical bioprobe

Structure of the T4 baseplate and its function in triggering sheath contraction

Ultrasonic driving method

Ultra-soft cantilevers and 3-D micro-patterned substrates for contractile bundle tension measurement in living cells

Gravity-Insensitive Flexure Pivot Oscillators