Synthetic molecular motor

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The process of Lewy body formation, rather than simply α-synuclein fibrillization, is one of the major drivers of neurodegeneration

Hilal Lashuel, Graham Knott, Marion Leleu, Fabien Kuttler, Anne-Laure Mahul Mellier, Mary-Claude Croisier-Coeytaux, Johannes Burtscher, Niran Maharjan, Laura Emmeline H Weerens

Parkinson’s disease (PD) is characterized by the accumulation of misfolded and aggregated α-synuclein (α-syn) into intraneuronal inclusions named Lewy bodies (LBs). Although it is widely believed that α-syn plays a central role in the pathogenesis of PD, t ...

National Academy of Sciences2020

Open-Shell Nonbenzenoid Nanographenes Containing Two Pairs of Pentagonal and Heptagonal Rings

Anne-Clémence Corminboeuf, Alberto Fabrizio, Daniele Passerone

Nonbenzenoid carbocyclic rings are postulated to serve as important structural elements toward tuning the chemical and electronic properties of extended polycyclic aromatic hydrocarbons (PAHs, or namely nanographenes), necessitating a rational and atomical ...

AMER CHEMICAL SOC2019

DNA-segment-capture model for loop extrusion by structural maintenance of chromosome (SMC) protein complexes

Paolo De Los Rios, Alessandro Barducci

Cells possess remarkable control of the folding and entanglement topology of long and flexible chromosomal DNA molecules. It is thought that structural maintenance of chromosome (SMC) protein complexes play a crucial role in this, by organizing long DNAs i ...

2019

Molecular nanostructures based on polyfunctional clathrochelate complexes

Suzanne Maria Jansze

This thesis describes the design and synthesis of clathrochelate metalloligands for the construction of molecular nanostructures. The low synthetic effort, versatility and stability of the clathrochelate metalloligands makes them particularly suited to the ...

EPFL2019

A Molecular Dual Pump

Cristian Pezzato

Artificial molecular machines (AMMs) built from mechanically interlocked molecules (MIMs) can use energy ratchets to control the unidirectional motion of their component parts. These energy ratchets are operated by the alteration of kinetic barriers and th ...

AMER CHEMICAL SOC2019

Extending the Scope of the Density Overlap Region Indicator

Laurent Alexis Clément Vannay

In this thesis, original applications of the Density Overlap Region Indicator (DORI), a density dependent bonding descriptor capable of simultaneously capturing covalent and noncovalent interactions, are discussed. The use of scalar fields, such as DORI, w ...

EPFL2018

A multiscale study of the role of dynamin in the regulation of glucose uptake

Johan Auwerx, Martinus Gijs, Kristina Schoonjans, Laurent Mouchiroud, Raphaël Etienne Jean Trouillon, Keir Joe Menzies, Maria Cristina Letizia

Glucose uptake in muscle cells in response to insulin is a fundamental mechanism for metabolism. The inability of cells to mobilize the specific glucose transporter GLUT4 is believed to be at least partially accountable for diseases, like diabetes, where c ...

Royal Soc Chemistry2017

Statistical mechanical model of gas adsorption in porous crystals with dynamic moieties

Berend Smit, Cory Matthew Simon, Efrem Daniel Braun

Some nanoporous, crystalline materials possess dynamic constituents, for example, rotatable moieties. These moieties can undergo a conformation change in response to the adsorption of guest molecules, which qualitatively impacts adsorption behavior. We pos ...

National Academy of Sciences2017

Fluorescent Probes for Plasma Membrane Proteins Based on Nile Red

Efthymia Prifti

Fluorescent probes are very important in basic research and in medicine, because of their sensitivity, versatility and quantitative capabilities. They allow the imaging of tissues or cellular compartments and the monitoring of biological events in vivo. An ...

EPFL2016

Tuning the deposition of molecular graphene nanoribbons by surface functionalization

Klaus Kern, Marko Burghard, Alexander Ronald Hoyer

We show that individual, isolated graphene nanoribbons, created with a molecular synthetic approach, can be assembled on functionalised wafer surfaces treated with silanes. The use of surface groups with different hydrophobicities allows tuning the density ...

Royal Soc Chemistry2015

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The process of Lewy body formation, rather than simply α-synuclein fibrillization, is one of the major drivers of neurodegeneration

Hilal Lashuel, Graham Knott, Marion Leleu, Fabien Kuttler, Anne-Laure Mahul Mellier, Mary-Claude Croisier-Coeytaux, Johannes Burtscher, Niran Maharjan, Laura Emmeline H Weerens

National Academy of Sciences2020