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Fluorescent Artificial Receptor for Dopamine based on Molecular Recognition-driven Dynamic Covalent Chemistry in a Lipid Nanoreactor.
Angew Chem Int Ed Engl
January 2025
University of Strasbourg, UMR 7213 CNRS, 74, Route du Rhin, 67401, Illkirch-Strasbourg, FRANCE.
Molecular recognition and detection of small bioactive molecules, like neurotransmitters, remain a challenge for chemists, whereas nature found an elegant solution in form of protein receptors. Here, we introduce a concept of a dynamic artificial receptor that synergically combines molecular recognition with dynamic imine bond formation inside a lipid nanoreactor, inducing a fluorescence response. The designed supramolecular system combines a lipophilic recognition ligand derived from a boronic acid, a fluorescent aldehyde based on push-pull styryl pyridine and a phenol-based catalyst.
View Article and Find Full Text PDFResearch on the construction of an urban underground parking space color system from the perspective of psychological perception.
PLoS One
January 2025
College of Architecture and Civil Engineering, Xi'an University of Science and Technology, Xi'an, Shaanxi, P. R. China.
Color, an intuitive element affecting human senses, can adapt to the environment of a space, evoke emotional responses, trigger and accumulate visual experiences, and enhance the effectiveness of color in shaping spatial atmosphere and reinforcing spatial divisions. In the context of rapid urban underground space development, examining the rational application of color in underground parking spaces is crucial for improving guidance, comfort, and aesthetics. This exploration is essential for achieving high-quality development in urban underground parking environments.
View Article and Find Full Text PDFA ladder-type organic molecule with pseudocapacitive properties enabling superior electrochemical desalination.
Mater Horiz
January 2025
Natural Sciences and Science Education, National Institute of Education, Nanyang Technological University, Singapore 637616, Singapore.
The availability of clean water is fundamental for maintaining sustainable environments and human ecosystems. Capacitive deionization offers a cost-effective, environmentally friendly, and energy-efficient solution to meet the rising demand for clean water. Electrode materials based on pseudocapacitive adsorption have attracted significant attention in capacitive deionization due to their relatively high desalination capacity.
View Article and Find Full Text PDFProbing the orientation and membrane permeation of rhodamine voltage reporters through molecular simulations and free energy calculations.
J Mater Chem B
January 2025
Department of Physics, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, China.
Article Synopsis
- The transmembrane potential is crucial for cellular functions like signaling and energy production, with Rhodamine voltage reporters (RhoVRs) serving as small, non-invasive sensors that can detect voltage changes, especially in mitochondria.
- Extensive simulations and free-energy calculations revealed that the orientation of RhoVRs relative to membranes, influenced by their polarized functional groups, significantly impacts their voltage sensitivity and localization within cells.
- The study's findings on the relationship between the chemical structure of RhoVRs and their membrane behavior offer valuable insights for designing fluorescent dyes that better detect voltage changes.
Covalent Organic Framework Nanofilm-Assisted Laser Desorption Ionization Mass Spectrometry for Rapid Screening of Parabens in Personal Care Products.
Rapid Commun Mass Spectrom
April 2025
State Key Laboratory of Environmental and Biological Analysis, Department of Chemistry, Hong Kong Baptist University, Hong Kong SAR, China.
Rational: People are widely exposed to parabens in their daily life, but parabens are endocrine disrupting chemicals that pose a threat to human health. Therefore, establishing a rapid screening method to enhance monitoring of parabens is necessary. Herein, a covalent organic framework (COF) nanofilm-assisted laser desorption ionization mass spectrometry (LDI-MS) method was established to screen parabens in personal care products (PCPs).
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