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Biochemistry news

A game of pool in the live cell

Cells need to react to environmental changes and maintain a balanced system of signaling cascades within the cell. Proteins outside of the cell, on the cellular surface, inside the cellular membrane, and within the cell orchestrate ...

dateSep 20, 2018 in Biochemistry
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Green tea compound helps siRNA slip inside cells

Drinking green tea has been linked to health benefits ranging from cardiovascular disease prevention to weight loss. Although many of these claims still need to be verified in the clinic, an antioxidant in green tea called ...

dateSep 19, 2018 in Biochemistry
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New study identifies possible ancestors of RNA

Researchers from the Georgia Institute of Technology may have made headway in helping determine the origin of life by identifying three different molecules that self-assemble to form a molecular structure with features characteristic ...

dateSep 17, 2018 in Biochemistry
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The spark that created life

Evolution by Darwinian natural selection is immensely powerful—both in nature and within laboratories. Using 'laboratory evolution', we can take an enzyme which combines random mutations and functional selection, and improve ...

dateSep 12, 2018 in Biochemistry
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Study lays foundations for future medicine design

A study by the Computational Biochemistry Research Group of the Universitat Jaume I (UJI) of Castellón, Spain, shows that enzyme activity depends on electrostatic properties, as opposed to mechanical ones. The scientists ...

dateSep 12, 2018 in Biochemistry
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When more bone-making cells equal less bone

A rare mutation in a gene causes weak bones in mice and people – but not for the reasons you might expect. UConn researchers report in the Sept. 7 issue of the Journal of Biological Chemistry how this mutation creates more ...

dateSep 07, 2018 in Biochemistry
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Protocell guests flee the nest

Researchers at the University of Bristol have shown that resident artificial cells abandon their protocell hosts by displaying antagonistic behaviour on receiving a chemical signal.

dateSep 07, 2018 in Biochemistry
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A step ahead in pharmaceutical research

Hormones and other neurotransmitters, but also drugs, act upon receptors. "Their active substances bind to the receptors and modify the three-dimensional receptor arrangement regulating the downstream signal pathways," says ...

DNA-based method detects trace amounts of peanut in foods

For people with severe peanut allergies, eating even miniscule amounts of the legume can trigger anaphylaxis —- a life-threatening condition characterized by dizziness, breathing difficulties and, sometimes, loss of consciousness. ...

Artificial cells are tiny bacteria fighters

"Lego block" artificial cells that can kill bacteria have been created by researchers at the University of California, Davis Department of Biomedical Engineering. The work is reported Aug. 29 in the journal ACS Applied Materials ...

'Blink' and you won't miss amyloids

Tiny protein structures called amyloids are key to understanding certain devastating age-related diseases. Aggregates, or sticky clumped-up amyloids, form plaques in the brain, and are the main culprits in the progression ...

Measuring the tension of a cell with a molecule

The volume of cells can vary dramatically. Similarly to an inflating balloon, the volume increase of growing cells pushes on the plasma membrane—the lipid envelope that surrounds the cell. This "turgor" pressure increases ...

Carbohydrate capture

LMU chemists have designed and synthesized a helical molecule that specifically recognizes and binds to a disaccharide consisting of two five-carbon sugar units.

New battery gobbles up carbon dioxide
Three NASA missions return first-light data
Scientists solve the golden puzzle of calaverite
Propping up glaciers to avoid cataclysmic sea level rise
NASA balloon mission captures electric blue clouds

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