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Updated: Jan 15, 2026

Microscopic Visualization of Porous Nanographenes Synthesized through a Combination of Solution and On-Surface Chemistry
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Microscopic Visualization of Porous Nanographenes Synthesized through a Combination of Solution and On-Surface Chemistry

Published on: March 4, 2021

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三链胺纳米带的合成

Arnau Rodríguez-Rubio1, He Zhu1, Ka Man Cheung1

  • 1Department of Chemistry, Oxford University, Chemistry Research Laboratory, Oxford, UK.

Science (New York, N.Y.)
|October 16, 2025
PubMed
概括

研究人员从氨酸单元中合成了新的分子纳米带. 奇数纳米带表现出芳香性,而偶数纳米带表现出反芳香性,这是量子环类型的关键发现.

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Structure of Porins01:21

Structure of Porins

Mitochondria, chloroplasts, and gram-negative bacteria have transmembrane, beta-barrel proteins called porins to mediate the free diffusion of ions and metabolites across the membrane. Mitochondrial porin precursors contain conserved amino acid sequences called beta signals at their C-terminal. Beta signals have a  motif of PoXGXXHyXHy (Po-Polar, X-Any amino acid, G-Glycine, Hy-LargeHydrophobic), which are crucial for precursor recognition to initiate precursor assembly. Beta-barrel...
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