13 Current news of ecole-polytechnique-fdrale-de-lausanne

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Molecular device turns infrared into visible light

Breakthrough ushers in a new class of compact sensors for thermal imaging and chemical or biological analysis

06-Dec-2021

Light is an electromagnetic wave: it consists of oscillating electric and magnetic fields propagating through space. Every wave is characterized by its frequency, which refers to the number of oscillations per second, measured in Hertz (Hz). Our eyes can detect frequencies between 400 and 750 ...

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Carbyne – an unusual form of carbon

International team of researchers investigates optical band gap of carbon compound

13-Nov-2020

Which photophysical properties does carbyne have? This was the subject of research carried out by scientists at FAU, the University of Alberta, Canada, and the Ecole Polytechnique Fédérale de Lausanne in Switzerland, which has led to a greater understanding of the properties of this unusual form ...

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Predicting a protein's behavior from its appearance

11-Dec-2019

Proteins are the building blocks of life and play a key role in all biological processes. Understanding how they interact with their environment is therefore vital to developing effective therapeutics and the foundation for designing artificial cells. Researchers at the Laboratory of Protein ...

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Chirality in 'real-time'

Circular dichroism in the deep ultraviolet

11-Jan-2019

In nature, certain molecules with the same chemical composition, can exist in two different shapes that are mirrors images of each other, much like our hands. This property is known as "chirality" and molecules with different chirality are called enantiomers. Enantiomers can exhibit entirely ...

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Cell senescence is regulated by innate DNA sensing

02-Aug-2017

Cells in the body or in cultures eventually stop replicating. This phenomenon is called "senescence" and is triggered by shortening of telomeres, oxidative stress or genetic damage to the cells, either acute or simply due to the cell growing "old". Understanding the causes and impact of ...

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3-D imaging of surface chemistry in confinement

24-Jul-2017

EPFL researchers have developed an optical imaging tool to visualize surface chemistry in real time. They imaged the interfacial chemistry in the microscopically confined geometry of a simple glass micro-capillary. The glass is covered with hydroxyl (-OH) groups that can lose a proton - a ...

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Cracking the code of Huntington's disease

24-Mar-2017

Huntington's disease is a neurodegenerative disorder that causes patients to lose their ability to move, speak, and even think. It is caused by a gene mutation that produces an abnormal form of the protein huntingtin, which aggregates and builds up inside neurons of the cortex and striatum. Small ...

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ZEISS and EPFL begin long-term research collaboration

01-Dec-2016

ZEISS will support innovative research projects at the Swiss Federal Institute of Technology in Lausanne (École polytechnique fédérale de Lausanne, abbr. EPFL). The company will make one million euros available for new research projects in key technology fields such as biomedical research, ...

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Nanowires as Sensors in New Type of Atomic Force Microscope

19-Oct-2016

A new type of atomic force microscope (AFM) uses nanowires as tiny sensors. Unlike standard AFM, the device with a nanowire sensor enables measurements of both the size and direction of forces. Physicists at the University of Basel and at the EPF Lausanne have described these results in the ...

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High-resolution imaging reveals the secrets of a bacterial toxin

14-Jul-2016

Many bacteria use specialized toxins to attack and infect other cells. Scientists at EPFL and the University of Bern have now modeled a major such toxin with unprecedented resolution, uncovering the way it works step-by-step. In order to infect other cells, many bacteria secrete a type of toxin ...

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