Proteins - 12 News from the science department by Max-Planck-Gesellschaft for the lab analysis / lab measurement technology industry

Proteins - 12 News from the science department by Max-Planck-Gesellschaft for the lab analysis / lab measurement technology industry

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Researchers can measure distances in molecules optically

MINFLUX microscopy allows the determination of distances within biomolecules using an optical microscope

15-Oct-2024 - A team led by physicists Steffen Sahl and Stefan Hell at the Max Planck Institute for Multidisciplinary Sciences in Göttingen and the Max Planck Institute for Medical Research in Heidelberg has succeeded in measuring distances within biomolecules using a light microscope, down to one nanometer ...

proteins biomolecule analysis biomolecules
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Discovery of the first fractal molecule in nature

‘We stumbled on this structure completely by accident and almost couldn’t believe what we saw when we first took images of it using an electron microscope’

12-Apr-2024 - Snowflakes, fern leaves, romanesco cauliflower heads: many structures in nature have a certain regularity. Their individual parts resemble the shape of the whole structure. Such shapes, which repeat from the largest to the smallest, are called fractals. But regular fractals that match almost ...

proteins biomolecules cyanobacteria
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Time-resolved crystallography for the masses

“The Spitrobot will greatly accelerate research in enzymatic mechanisms"

08-May-2023 - Scientists from four research institutes in the Science City Hamburg Bahrenfeld have joined forces to develop a ground-breaking experimental setup. Their new Spitrobot greatly simplifies observing changes in proteins as they carry out their functions. This makes time-resolved crystallography ...

proteins crystallography laboratory robots
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A further advance in super-resolution fluorescence microscopy

Fast even at the nanometer level

14-Mar-2023 - Scientists led by Nobel Laureate Stefan Hell at the Max Planck Institute for Medical Research in Heidelberg have developed a super-resolution microscope with a spatio-temporal precision of one nanometer per millisecond. An improved version of their recently introduced MINFLUX super-resolution ...

proteins microscopy protein analysis
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More than microscopes can show

Computer simulations visualize how an essential stem cell protein opens wrapped DNA

23-Sep-2022 - A key protein for converting adult stem cells into cells that resemble embryonic stem cells has been visualized in unprecedented detail by an international team of researchers around Hans Schöler and Vlad Cojocaru of the Max Planck Institute for Molecular Biomedicine in Münster. By combing ...

proteins histones key proteins
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Structure of key protein for cell division puzzles researchers

Researchers provide a first 3D snapshot of the CCAN protein complex and raise fundamental questions towards the creation of artificial chromosomes

17-May-2022 - Human cell division involves hundreds of proteins at its core. Knowing the 3D structure of these proteins is pivotal to understand how our genetic material is duplicated and passed through generations. The groups of Andrea Musacchio and Stefan Raunser at the Max Planck Institute of Molecular ...

proteins cell division centromeres
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Molecular scales on biological membranes: Mass-Sensitive Particle Tracking

New method to determine location and size changes of unlabeled proteins on membranes via their mass

06-Oct-2021 - A large proportion of biologically relevant processes take place at membranes. Studying the dynamics of these processes in real time and without disturbing the biological system is still a major methodological challenge. A team led by Petra Schwille, director at the MPI of Biochemistry (MPIB), ...

proteins cell membranes mass determination
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World record resolution in cryo-electron microscopy

Novel technique visualizes individual atoms in a protein with cryo-electron microscopy for the first time

23-Oct-2020 - A crucial resolution barrier in cryo-electron microscopy has been broken. Holger Stark and his team at the Max Planck Institute (MPI) for Biophysical Chemistry have observed single atoms in a protein structure for the first time and taken the sharpest images ever with this method. Such ...

proteins cryo-electron microscopy protein structure
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The recipe for making a fruit fly

Scientists use mass spectrometry to determine the absolute copy number of nuclear proteins and histone marks

21-Oct-2019 - Currently, most if not all of the proteins that are required for constructing a multicellular organism are known. However, it is largely unclear how many copies of each protein species are present and needed to permit an animal to develop into a complete organism. Researchers at the Max Planck ...

proteins histone proteins cell nucleus
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Why is Usain Bolt the fastest person on Earth?

Researchers observe muscles at work with the help of new microscopes

25-Jul-2016 - Twenty metres before the finish line Usain Bolt already opens his arms in triumph and ramps up his speed: even with his “handbrake” on, at 9.58 seconds, he runs the 100 metre stretch faster than anyone ever before in 2009 in Berlin. In the process, he reached a maximum speed of almost 45 ...

proteins actin muscle proteins
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