Publications by Christian Santschi

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Cell membrane receptors and ion channels are essential in many different cellular processes. To analyse the activity of membrane proteins in vesicles and biological cells, we fabricated micro- nanostructured chips, enabling the application of electrophysio ...

Applications of thin SixNy membranes may be found in miscellaneous fields such as MEMS and NEMS as well as biotechnology. FIB is an excellent tool in order to realize nano-structures on membranes achieving the ultimate limits and rapid prototyping.

Pressing adhering live cells onto the nanostructured SiN substrate and subsequent removal, planar cell membrane sheets (CMSs) were transferred in a well-defined orientation onto the SiN support. Using perforated thin SiN membranes both, extracellular and intracellular surfaces of CMSs become simultaneously accessible by targeting membrane constituents side-specifically with fluorescent markers. The perforation of the membranes has been performed using FIB technique.

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 ...

The use of interdigitated electrodes of nanometer scale establishes a broad field of new applications particularly in biotechnology. It allows to create electric field gradients at submicrometer scale. The goal of the project is the fabrication and characterization of nanoelectrodes in a sub 100 nm range using FIB-technology.

The authors present a method for spreading large (> 100 mm2) cell membrane fragments across nanoapertures in planar supports. Electron-beam and focused-ion-beam lithog. were used to fabricate arrays of 50-600 nm diam. holes in free-standing silicon nitride ...

We have fabricated metasurfaces that combine silicon resonators with aluminium disks. While the latter produce strong near-field enhancement, the former support optical resonances that can be used to obtain well-controlled far-field signatures. ...

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 ...

Christian Santschi

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Micro- and nanostructured devices for investigating biomolecular interactions

Measuring the optical absorption of 10 nm gold nanoparticles using multiscattering-enhanced absorption spectroscopy in a dielectric metamaterials

NANOINGENEERING OF SIN MEMBRANES USING FIB

Extending the limits of conventional plasmonics with low temperature alloying of noble metals

FABRICATION OF NANOPORES IN SIN MEMBRANES USING FIB

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

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

INTERDIGITATED NANOELECTRODES FABRICATED USING FIB

Cell Membranes Suspended Across Nanoaperture Arrays

Hybrid Metallodielectric Metasurfaces for Sensing

Optical method and device for identifying and quantifying analytes

Controlling light at the nanoscale with plasmonic antennas

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

Using human cells to synthesize plasmonic nanoparticles

A Zeptoliter Volume Meter for Analysis of Single Protein Molecules

Biosensing based on plasmon resonance energy transfer

Let nature do it: Using human cells to synthesize plasmonic nanoparticles

A new fabrication method for aluminium and silver plasmonic nanostructures

Highly Improved Fabrication of Ag and Al Nanostructures for UV and Nonlinear Plasmonics

Design and fabrication strategies of complex plasmonic structures for trapping and sensing applications