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Biology
Origins of the genetic code: Study finds textbook version needs revision
In this AI-generated illustration of Earth at the dawn of life, distant volcanoes tower over shallow pools of water. The earliest life forms may have evolved in such an environment. Credit: AI generated, Joanna Masel Despite their incredible diversity, nearly all life forms, from bacteria to blue whales, share the same genetic code. How and when this code was created…
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Chemistry
Studying membrane proteins using genetic code extensions
Protein labeling strategy. Credit: Chemical Reviews (2024). DOI: 10.1021/acs.chemrev.4c00181 Over the years, chemical biology techniques have made important contributions to the study of integral membrane proteins. An important modern approach is genetic code expansion (GCE), which allows proteins to be directly modified in living cells to confer customized properties. Professor Irene Coyne of the University of Leipzig is a pioneer…
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Nanotechnology
Cracking the code: Researchers uncover a ‘new synthetic frontier’ for quantum dots
Colloidal solutions of gallium arsenide quantum dots, the kind used in lasers, televisions, solar cells, medical equipment and other electronics, emit light under ultraviolet light. They were grown using breakthrough technology developed by the Talapin Lab at the University of Chicago. This technique opens up a world of new materials for researchers who grow nanocrystals. Credit: University of Chicago/Talapin Lab…
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Physics
New AI model of plasma heating leads to important modifications to computer code used in fusion research
1) and (b) WEST (i.e., fundamental resonance). is shown. (for hydrogen). Credit: Fusion (2024). DOI: 10.1088/1741-4326/ad645d” width=”800″ height=”437″/> Balanced configuration used for (a) NSTX database and (b) WEST database. Corresponding to shots 138 506 and 56 898 respectively. On the left, the magnetic equilibrium is shown with the highlighted LCFS (red) and the surface wall facing the plasma (black). On…
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