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Updated: Jul 15, 2025

Facile Preparation and Photoactivation of Prodrug-Dye Nanoassemblies
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Published on: February 17, 2023

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二烯-DNA结合物的超分子组合:二烯替代模式的影响和对人工LHC的影响

Jan Thiede1, Simon Rothenbühler1, Ioan Iacovache2

  • 1Department of Chemistry, Biochemistry, and Pharmaceutical Sciences, University of Bern, Freiestrasse 3, CH-3012 Bern, Switzerland. robert.haener@unibe.ch.

Organic & biomolecular chemistry
|September 26, 2023
PubMed
概括

研究人员探索了烯-DNA结合体如何自组装成纳米结构. 附着在DNA上的特定的pyrene异构体决定了得到的纳米结构形状,使得量身定制的纳米材料设计成为可能.

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The Antenna Complex01:42

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Plants and other photosynthetic organisms comprise pigments capable of absorption of direct sunlight. These pigments are present in the reaction center - the main site of photochemical reactions as well as in the antenna complex. Under average light conditions, the rate at which reaction center pigments absorb light is far below the electron transport chain's capacity. As a result, the reaction center alone cannot provide enough energy to drive photosynthesis. The photosynthetic efficiency...
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The absorption of UV–visible light by conjugated systems causes the promotion of an electron from the ground state to the excited state. Consequently, photochemical electrocyclic reactions proceed via the excited-state HOMO rather than the ground-state HOMO. Since the ground- and excited-state HOMOs have different symmetries, the stereochemical outcome of electrocyclic reactions depends on the mode of activation; i.e., thermal or photochemical.
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Fluorescence and phosphorescence are essential phenomena in fields like analytical chemistry, biological imaging, and materials science, where they detect molecular properties and visualize cellular structures. Understanding the variables that influence these luminescent behaviors is crucial for maximizing accuracy and efficiency in their applications. These variables can broadly be grouped into chemical structure, solvent properties, and external conditions, each playing a distinct role in...
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