Concept

Molecular recognition

Publications associées (114)

Ion Beam Deposition and STM Analysis of Macromolecules on Solid Surfaces in UHV

Organic and biological macromolecules have attracted great interest within nanotechnology research due to properties that can be useful in future devices. Interesting functionalities such as optical activity, host-guest binding and molecular recognition ar ...

EPFL2011

2D Cantilever Array with Fixed Geometries and Varying Spring Constants for Life Science Applications

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

We present 2D cantilever arrays for parallel AFM and their fabrication process using a silicon nitride cantilever with molded tip as the base element of the array. They are designed either for (i) force indentation onto living cells and stiffness mapping, ...

Elsevier Science, Reg Sales Off, Customer Support Dept, 655 Ave Of The Americas, New York, Ny 10010 Usa2011

Characterization of Hydrophobic Forces for in Liquid Self-Assembly of Micron-Sized Functional Building Blocks

Jürgen Brugger, Laure Aeschimann, Rosario Maurizio Gullo, Loïc Jacot-Descombes

This paper presents the experimental and numerical study of hydrophobic interaction forces at nanometer scale in the scope of engineering micron-sized building blocks for self-assembly in liquid. The hydrophobic force distance relation of carbon, Teflon an ...

2011 Materials Research Society2011

The Single-Molecule Mechanics of the Latent TGF-beta 1 Complex

Jean-Jacques Meister, Boris Hinz, Lara Buscemi Estefanell, Aurélie Formey de Saint Louvent, Josiane Angèle Charlotte Smith-Clerc, David Ramonet Jimenez

Background: TGF-beta 1 controls many pathophysiological processes including tissue homeostasis, fibrosis, and cancer progression. Together with its latency-associated peptide (LAP), TGF-beta 1 binds to the latent TGF-beta 1-binding protein-1 (LTBP-1), whic ...

Elsevier2011

Porphyrin-Sensitized Solar Cells with Cobalt (II/III)-Based Redox Electrolyte Exceed 12 Percent Efficiency

Michael Graetzel, Mohammad Khaja Nazeeruddin, Shaik Mohammed Zakeeruddin, Chenyi Yi, Aswani Yella, Aravind Kumar Chandiran, Hoi Nok Tsao

The iodide/triiodide redox shuttle has limited the efficiencies accessible in dye-sensitized solar cells. Here, we report mesoscopic solar cells that incorporate a Co((II/III))tris(bipyridyl)-based redox electrolyte in conjunction with a custom synthesized ...

2011

Reinforcing multiwall carbon nanotubes by electron beam irradiation

László Forró, Arnaud Magrez, Marijana Mionic Ebersold, Jin Won Seo, Martial Duchamp, Rita Smajda, Bo Song, Richard Meunier

We study the effect of electron beam irradiation on the bending modulus of multiwall carbon nanotubes grown by chemical vapor deposition. Atomic force microscopy observations of the nanotube deflection in the suspended-beam geometry suggest an internal, re ...

2010

Polymer–protein conjugates: an enzymatic activity perspective

Harm-Anton Klok, Marc Gauthier

Proteins have been modified with polymers in diverse manners over the past 30 years. However, while proteins have been used to prepare many functional constructs, they are sensitive biomolecules and their bioactivity can be either positively or negatively ...

2010

Tertiary Chiral Domains Assembled by Achiral Metal-Organic Complexes on Cu(110)

Klaus Kern, Giovanni Costantini

We report on the formation of chiral domains self-assembled from terephthalic acid (TPA) and iron on a Cu(110) surface. Using scanning tunnelling microscopy, we observe that the supramolecular structures are organized on successive hierarchical levels. Chi ...

2010

Substrate effect on supramolecular self-assembly: from semiconductors to metals

Klaus Kern, Theresa Lutz, Giovanni Costantini, Dietmar Payer

Terephthalic acid (TPA) deposited on Si(111)-7 x 7, Si(111)-root 3 x root 3-Ag and Ag(111) has been studied as a model system to understand how much passivated semiconductor surfaces differ from semiconductor and metal surfaces in respect of supramolecular ...

2009

Self-assembly of multiligand supramolecular architectures at metal surfaces

Alexander Langner

Self-assembly of organic molecules represents an efficient and convenient bottom-up approach for the structural functionalization of surfaces at the nanometer scale. The great potential of assembling supramolecular architectures from organic molecules lies ...

EPFL2009

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