Publication

Dual-mode digital holographic and fluorescence microscopy for the study of morphological changes in cells under simulated microgravity

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Optical microscopy gets down to angstroms

Suliana Manley, Giorgio Tortarolo

Super-resolution microscopy at angstrom precision could pave the way to optical structural biology in cells. ...

NATURE PORTFOLIO2022

Long-Term, Single-Molecule Imaging of Proteins in Live Cells with Photoregulated Fluxional Fluorophores

Pablo Rivera Fuentes, Adam Miklos Eördögh, Annabell Martin

Single-molecule localization microscopy (SMLM) can reveal nanometric details of biological samples, but its high phototoxicity hampers long-term imaging in live specimens. A significant part of this phototoxicity stems from repeated irradiations that are n ...

WILEY-V C H VERLAG GMBH2022

Organisation and dynamics of mitochondria and their RNA.

Timo Henry René Rey

The organisation of molecules into dynamic cells, and collaboration of many of those cells over a billion years led to the evolution of human life. During the last century, biologists then began to unravel the marvels of cellular organisation with ever in ...

EPFL2021

Development of novel experimental and computational methods for three-dimensional coherent and super-resolution microscopy

Adrien Charles-François Raymond Descloux

Optical microscopy is one widely used tool to study cell functions and the interaction of molecules at a sub-cellular level. Optical microscopy techniques can be broadly divided into two categories: partially coherent and incoherent. Coherent microscopy te ...

EPFL2020

Active illumination and computational Methods for Temporal and Spectral Super-Resolution Microscopy

Christian Jaques

Light microscopy is a tool of paramount importance for biologists and has been constantly improved for the past four centuries. Despite many recent developments, microscopy techniques still require improvement, especially to reach better temporal and spect ...

EPFL2020

Time-lapse high-resolution microscopy to study the morphogenesis of microorganisms

Mélanie Thérèse Marie Hannebelle

Mycobacterium tuberculosis, the etiological agent for the tuberculosis disease, is a bacterial pathogen thought to infect about a quarter of the global human population. It is the first cause of death among infectious diseases, and is most prevalent in low ...

EPFL2020

Correlation of fluorescence microscopy, electron microscopy, and NanoSIMS stable isotope imaging on a single tissue section

Anders Meibom, Quentin Thomas Jeangros, Stéphane Laurent Escrig, Arun Aby Paraecattil, Gaëlle Delphine Toullec, Céline Edith Loussert-Fonta

Correlative light and electron microscopy allows localization of specific molecules at the ultrastructural level in biological tissue but does not provide information about metabolic turnover or the distribution of labile molecules, such as micronutrients. ...

NATURE PUBLISHING GROUP2020

Cellular Uptake and Intracellular Trafficking of Poly(N-(2-Hydroxypropyl) Methacrylamide)

Anders Meibom, Harm-Anton Klok, Graham Knott, Stéphane Laurent Escrig, Olivier Burri, Arne Seitz, Romain Guiet, Claudia Battistella

Cellular uptake and intracellular trafficking of polymer conjugates or polymer nanoparticles is typically monitored using fluorescence-based techniques such as confocal microscopy. While these methods have provided a wealth of insight into the internalizat ...

2019

Black Lipid Membranes: Challenges in Simultaneous Quantitative Characterization by Electrophysiology and Fluorescence Microscopy

Esther Amstad, Stefan Matile, Maria Tsemperouli

Horizontal black lipid membranes (BLMs) enable optical microscopy to be combined with the electrophysiological measurements for studying ion channels, peptide pores, and ionophores. However, a careful literature review reveals that simultaneous fluorescenc ...

AMER CHEMICAL SOC2019

Manipulation of redox signaling in mitochondria with trialkylphosphine chemical probes

Pablo Rivera Fuentes

Subcellular organelles maintain distinct redox environments to carry out their normal physiol. functions. Disruption of redox homeostasis, either in the oxidative or reductive direction, is linked to disease. We recently showed that trialkylphosphine-based ...

American Chemical Society2019