Membranes - 275 News

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Membranes - 275 News

Tip: You can further refine your news selection by departments, organizations, countries and industries.

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Exploring Life at Its Simplest: Scientists Create a "Minimal Cell Membrane" with Just Two Lipids

Surprising Effects of a Two-Lipid Diet

27-Nov-2024 - Lipids, or fats, are essential to life. They form the membranes around cells, protecting them from the outside. In nature, there is an enormous diversity of lipids, with each organism having its own unique combination. But what are the minimum lipid requirements for a cell to survive? A research ...

membranes cell membranes artificial cells
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Central mechanism of inflammation decoded

Researchers use nanobodies to elucidate pore formation by gasdermin D in cell membranes

01-Oct-2024 - The formation of pores by a particular protein, gasdermin D, plays a key role in inflammatory reactions. During its activation, an inhibitory part is split off. More than 30 of the remaining protein fragments then combine to form large pores in the cell membrane, which allow the release of ...

membranes cell membranes cell death
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What triggers the programmed cell death mechanism?

Development and combination of various microscopic and spectroscopic techniques

13-Sep-2024 - How can molecular structures be analysed when the resolution of the techniques available is not sufficient? Researchers from the fields of physics, chemistry and medicine at Heinrich Heine University Düsseldorf (HHU) have combined and further developed various microscopic and spectroscopic ...

membranes cell membranes cell death
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Producing chemicals in an environmentally friendly and energy-saving way: More yield through nanopores

New membrane process increases the efficiency of enzymes - reaction rate significantly improved

22-Apr-2024 - Flow-through reactors packed with enzymes can produce certain chemicals in a gentle and careful way. However, their performance has so far been limited. A research team from the Helmholtz-Zentrum Hereon and RWTH Aachen University has now been able to increase the yield a thousandfold. Using a ...

membranes biocatalysts block copolymers
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Separating molecules requires lots of energy: This new, heat-resistant membrane could change that

The technology could lower costs for making pharmaceuticals, agrochemicals and other products: Researcher plans to start a company

03-Oct-2023 - Industry has long relied upon energy-intensive processes, such as distillation and crystallization, to separate molecules that ultimately serve as ingredients in medicine, chemicals and other products. In recent decades, there has been a push to supplant these processes with membranes, which are ...

membranes metal oxides molecules
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Decoding Blood Platelet Production: The Intricate Role of Lipids

Disruptions in lipid metabolism might affect platelet production

08-Sep-2023 - Scientists unveiled a deeper understanding of megakaryocyte differentiation and blood platelet production, a process crucial for maintaining healthy blood clotting and preventing excessive bleeding. The study featured in “Nature Cardiovascular Research,” led by chemist Robert Ahrends from the ...

membranes cell membranes blood
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Research team shows how a cell’s form can be reversed

Light-switchable molecules in membranes enable different forms of living cells to be studied

28-Jun-2023 - A research team led by Prof. Bart Jan Ravoo (University of Münster) and Prof. Timo Betz (University of Göttingen) describes for the first time how living cells can be reversibly deformed by specifically influencing the cell membrane using light. Membranes fulfil a variety of tasks in living ...

membranes cell membranes cell biology
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Poorly insulated nerve cells promote Alzheimer’s disease in old age

The results of the study show, for the first time, that defective myelin in the aging brain increases the risk of Aꞵ peptide deposition

08-Jun-2023 - Alzheimer’s disease, an irreversible form of dementia, is considered the world’s most common neurodegenerative disease. The prime risk factor for Alzheimer’s is age, although it remains unclear why. It is known that the insulating layer around nerve cells in the brain, named myelin, degenerates ...

membranes myelin Alzheimer's disease
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Under control to the very end – how our cells kill themselves

Using highly sensitive microscopes and NMR spectroscopy, the mechanism has been elucidated down to the level of individual atoms

24-May-2023 - Every day, millions of cells die in our body. Other than generally assumed, cells do not simply burst at the end of their lives but rather, a specific protein serves as a breaking point for cell membrane rupture. Researchers at the University of Basel have now been able to elucidate the exact ...

membranes cell membranes cell death
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Alzheimer’s: modulation of cell membrane influences formation of amyloid-β

Adding long-chain fatty acids can thicken cell membranes and alter the activity of a key enzyme

10-May-2023 - A characteristic feature of Alzheimer’s disease are deposits of the amyloid-β protein, which clumps together to form plaques in the brain. The amyloid-β protein is produced by an enzyme which resides in cellular membranes. A team lead by Prof. Harald Steiner and Dr. Edgar Dawkins from the ...

membranes cell membranes Alzheimer's disease
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