Sylvia Jeney

Cette personne a quitté l’EPFL

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Publications associées (27)

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Upconversion Particle as a Local Luminescent Brownian Probe: A Photonic Force Microscopy Study

László Forró, Andrzej Sienkiewicz, Sylvia Jeney, Flavio Maurizio Mor

Near-infrared (NIR) light sensitive lanthanide-doped NaYF4 upconversion particles (UCPs) are gaining increasing attention as local probes in biomedical applications. Here, we implemented a photonic force microscope (PFM) to manipulate and study the optical ...

Amer Chemical Soc2014

Exploiting the color of Brownian motion for high-frequency microrheology of Newtonian fluids

László Forró, Sylvia Jeney, Flavio Maurizio Mor

Einstein's stochastic description of the random movement of small objects in a fluid, i.e. Brownian motion, reveals to be quite different, when observed on short timescales. The limitations of Einstein's theory with respect to particle inertia and hydrodyn ...

Spie-Int Soc Optical Engineering2013

Accounting for inertia effects to access the high-frequency microrheology of viscoelastic fluids

László Forró, Sylvia Jeney, Elena Bertseva

We study the Brownian motion of microbeads immersed in water and in a viscoelastic wormlike micelles solution by optical trapping interferometry and diffusing wave spectroscopy. Through the mean-square displacement obtained from both techniques, we deduce ...

Amer Physical Soc2014

Selective transport control on molecular velcro made from intrinsically disordered proteins

Sylvia Jeney

The selectivity and speed of many biological transport processes(1) transpire from a 'reduction of dimensionality'(2) that confines diffusion to one or two dimensions instead of three(3). This behaviour remains highly sought after on polymeric surfaces(4) ...

Nature Publishing Group2014

Friction force microscopy as an alternative method to probe molecular interactions

László Forró, Andrzej Kulik, Sylvia Jeney

2005

Three-dimensional force measurements in optical tweezers formed with high-NA micromirrors

René Salathé, László Forró, Sylvia Jeney, Fabrice Merenda

The three-dimensional trap stiffness of optical tweezers formed with high-NA micromirrors is investigated by back-focal-plane interferometry and power spectrum analysis. Normalized stiffness values of kappa(xy)/P-trap =1.2(mu N/m)/mW and kappa(z)/P-trap = ...

Optical Society of America2009

Catalytically grown carbon nanotubes of small diameter have a high Young's modulus

László Forró, Andras Kis, Andrzej Kulik, Jin Won Seo, Sylvia Jeney, Branimir Lukic

American Chemical Society2005