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Christian Santschi

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Related publications (71)

Sensing the dynamics of oxidative stress using enhanced absorption in protein-loaded random media

Christian Santschi, Olivier Martin, Guillaume Suarez

Reactive oxygen species play a key role in cell signalling and oxidative stress mechanisms, therefore, sensing their production by living organisms is of fundamental interest. Here we describe a novel biosensing method for extracellular detection of endoge ...

Nature Publishing Group2013

Optical method and device for identifying and quantifying analytes

Christian Santschi, Olivier Martin, Guillaume Suarez

A method for analysing a metalloprotein and/or the interaction with its environment comprising the following steps : (a) Providing a medium that enhances the detection of the electromagnetic cross-section signal of metalloproteins, (b) Incorporating a meta ...

2013

High yield and high quality nanofabrication of silver and aluminium plasmonic nanostructures

Christian Santschi, Olivier Martin, Krishnan Thyagarajan

2013

A portable microfluidic-based biophotonic sensor for extracellular H2O2 measurements

Christian Santschi, Jürgen Brugger, Olivier Martin, Victor Javier Cadarso Busto, Guillaume Suarez, Volodymyr Koman, Nadia Rachel Von Moos

2013

Byosinthesis of gold nanoparticles in human cells

Christian Santschi, Olivier Martin, Andrea Lovera, Guillaume Suarez, Shourya Dutta Gupta

2012

A microfluidic probe for optical detection of extracellular H2O2

Christian Santschi, Jürgen Brugger, Olivier Martin, Victor Javier Cadarso Busto, Guillaume Suarez, Volodymyr Koman

2012

Detecting oxidative stress in cells based on intracellular biosynthesis of gold nanoparticles

Christian Santschi, Olivier Martin, Andrea Lovera, Guillaume Suarez, Shourya Dutta Gupta

2012

Biophotonic tool for sensing the dynamics of H2O2 extracellular release in stressed cells

Christian Santschi, Olivier Martin, Shourya Dutta Gupta

Hydrogen peroxide (H2O2) is known to play a multifaceted role in cell physiology mechanisms involving oxidative stress and intracellular signal transduction. Therefore, the development of analytical tools providing information on the dynamics of H2O2 gener ...

Spie-Int Soc Optical Engineering, Po Box 10, Bellingham, Wa 98227-0010 Usa2012

Fast three-dimensional imaging of gold nanoparticles in living cells with photothermal optical lock-in Optical Coherence Microscopy

Christian Santschi, Theo Lasser, Martin Villiger, Corinne Berclaz, Christophe Pache, Matthew Gibson, Joan Goulley, Noelia Laura Bocchio, Arno Pino Bouwens

We introduce photothermal optical lock-in Optical Coherence Microscopy (poli-OCM), a volumetric imaging technique, which combines the depth sectioning of OCM with the high sensitivity of photothermal microscopy while maintaining the fast acquisition speed ...

Optical Society of America2012

Ultrasensititve system for the real time detection of H2O2 based on strong coupling in a bio-plasmonic system

Christian Santschi, Olivier Martin, Shourya Dutta Gupta

We theoretically investigate the dependence of the different parameters of an optical biosensor for the detection of Hydrogen peroxide (H2O2) based on absorption enhancement of Cytochrome c molecules near gold nanoparticles. H2O2 is a major reactive oxygen ...

Spie-Int Soc Optical Engineering, Po Box 10, Bellingham, Wa 98227-0010 Usa2012

A Zeptoliter Volume Meter for Analysis of Single Protein Molecules

Horst Vogel, Christian Santschi, Cédric Deluz, Olivier Martin, Romain Wyss, Ghérici Hassaïne

American Chemical Society (ACS)2012

Fabrication of Free-Standing Plasmonic Nanoantennas with Application for Optical Break Junctions

Christian Santschi, Olivier Martin, Banafsheh Abasahl

We report the fabrication of plasmonic nanoantennas with dimensions in the 200 - 300 nm range, suspended across a nano-undercut, which will be used for the investigation of the optical properties of break junctions. Nanochannels, fabricated using e-beam li ...

Ieee2012

Biophotonic Tool for Sensing the Dynamics of Oxidative Stress in Living Cells

Christian Santschi, Olivier Martin, Guillaume Suarez, Shourya Dutta Gupta

2012

Plasmonic break junctions: Controlling optical nanostructures with dimensions between atomic contact and a few Agstroms

Christian Santschi, Olivier Martin, Banafsheh Abasahl

2012

Optical detection of extracellular H2O2 using multiscattering matrices

Christian Santschi, Jürgen Brugger, Olivier Martin, Victor Javier Cadarso Busto, Guillaume Suarez, Volodymyr Koman

2012

Biosensing based on plasmon resonance energy transfer

Christian Santschi, Olivier Martin, Guillaume Suarez, Shourya Dutta Gupta

2011

Biosensing based on plasmon resonance energy transfer

Christian Santschi, Olivier Martin, Guillaume Suarez, Shourya Dutta Gupta

2011

Optical trapping in the near-field of plasmonic nanostructures

Christian Santschi, Olivier Martin, Lina Huang, Andrea Lovera

2010

Trapping and Sensing 10 nm Metal Nanoparticles Using Plasmonic Dipole Antennas

Christian Santschi, Olivier Martin, Lina Huang

The Optical trapping of Au nanoparticles with dimensions as small as 10 nm in the gap of plasmonic dipole antennas is demonstrated. Single nanoparticle trapping events are recorded in real time by monitoring the Rayleigh scattering spectra of individual pl ...

American Chemical Society (ACS)2010

Controlling light at the nanoscale with plasmonic antennas

Christian Santschi, Theo Lasser, Thomas Schmid, Olivier Martin, Holger Fischer, Andreas Kern

2009

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