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Scientists discover new regulators of the aging process

The attachment of the small protein ubiquitin to other proteins regulates numerous biological processes, including signal transduction and metabolism

02-Aug-2021

Scientists have discovered that the protein ubiquitin plays an important role in the regulation of the aging process. Ubiquitin was previously known to control numerous processes, such as signal transduction and metabolism. Prof. Dr. David Vilchez and his colleagues at the CECAD Cluster of ...

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New atomically precise graphene nanoribbon heterojunction sensor developed

Novel sensor is highly sensitive to atoms and molecules

18-May-2021

An international research team led by the University of Cologne has succeeded for the first time in connecting several atomically precise nanoribbons made of graphene, a modification of carbon, to form complex structures. The scientists have synthesized and spectroscopically characterized ...

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A new model can predict the evolution of antibiotic resistance in bacteria

An international research team has developed a model that predicts growth rates and resistance mechanisms of common bacterial mutants at different drug doses

08-Mar-2021

A team of scientists from the University of Cologne (Germany) and the University of Uppsala (Sweden) has created a model that can describe and predict the evolution of antibiotic resistance in bacteria. Resistance to antibiotics evolves through a variety of mechanisms. A central and still ...

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New, highly precise ‘clock’ can measure biological age

Researchers expect new insights into how the environment, nutrition, and therapies influence the aging process

05-Mar-2021

Using the model organism Caenorhabditis elegans, researchers at the University of Cologne have developed an ‘aging clock’ that reads the biological age of an organism directly from its gene expression, the transcriptome. Bioinformatician David Meyer and geneticist Professor Dr Björn Schumacher, ...

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Gold makes invisible surfaces visible in CT

New method for displaying previously invisible surface details using computer tomography developed

10-May-2019

Today, the three-dimensional visualization and analysis of biological samples using computer tomography (CT) is a routine procedure. However, in the past it was very difficult to visualize the fine surface details of many organisms. Scientists at the Universities of Cologne and Bonn and the ...

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Classic double-slit experiment in a new light

New X-ray spectroscopy method based on the classical double-slit experiment

22-Jan-2019

An international research team led by physicists from Collaborative Research Centre 1238, 'Control and Dynamics of Quantum Materials' at the University of Cologne has implemented a new variant of the basic double-slit experiment using resonant inelastic X-ray scattering at the European ...

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How cells change their shape

Function of protein 'smallish' unraveled

25-Jan-2018

During the development of an embryo, every single cell needs to know who it is, where it is, and what it has to do. Important is the polarity of the cell: Where is the top, where is the bottom, where are front and back? Only when the cell is polarized in the right way can it change the shape in ...

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