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Developing Orthogonal Fluorescent RNAs for Photoactive Dual-color Imaging of RNAs in Live Cells.
Angew Chem Int Ed Engl
January 2025
Hunan University, College of Chemistry and Chemical Engineering, Yuelushan, Changsha, Hunan, 410082, P.R.China, 410082, Changsha, CHINA.
Fluorogenic RNA aptamers have revolutionized the visualization of RNAs within complex cellular processes. A representative category of them employs the derivatives of green fluorescent protein chromophore, 4-hydroxybenzlidene imidazolinone (HBI), as chromophores. However, the structural homogeneity of their chromophoric backbones causes severe cross-reactivity with other homologous chromophores.
View Article and Find Full Text PDFHighly Humidity-Resistant Oxynitride Phosphor BaSiNO:Ce for pc-LEDs.
Inorg Chem
January 2025
Key Laboratory of Macromolecular Science of Shaanxi Province, School of Chemistry & Chemical Engineering, Shaanxi Normal University, Xi'an 710062, Shaanxi, P. R. China.
Many phosphor hosts, for example, nitrides and sulfides, often face challenges such as hydrolysis and oxidation, limiting their application in phosphor-converted white light-emitting diodes (pc-LEDs). In this study, we developed a highly humidity-resistant yellow-green-emitting phosphor BaSiNO:Ce (BSNO:Ce). The DFT calculations revealed a high Debye temperature (Θ = 1159 K), indicating a rigid crystal structure that contributes to the photoluminescence thermal quenching resistance of BSNO.
View Article and Find Full Text PDFCircularly Polarized Room-Temperature Phosphorescence from Dye-Doped Cholesteric Liquid Crystalline Polymer Networks.
J Phys Chem Lett
January 2025
Laboratory of Advanced Optoelectronic Materials, Suzhou Key Laboratory of Novel Semiconductor-Optoelectronics Materials and Devices, State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Engineering Laboratory of Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China.
Circularly polarized luminescence (CPL) materials have drawn increasing attention for their potential applications in optical displays and chemo/biosensing. Nevertheless, the construction of circularly polarized room-temperature phosphorescence (CPRTP) materials is still a significant challenge. In this work, four liquid crystalline polymer network films with RTP properties have been fabricated via photopolymerization of cholesteric liquid-crystalline mixtures containing different amounts of commercially available dyes.
View Article and Find Full Text PDFChiral nematic cellulose nanocrystal films: Sucrose modulation for structural color and dynamic behavior.
Int J Biol Macromol
January 2025
Department of Chemical and Biological Engineering, University of Saskatchewan, 57 Campus Drive, Saskatoon, SK S7N 5A9, Canada. Electronic address:
This study explores the effect of sucrose addition on the properties of chiral nematic cellulose nanocrystal (CNC) films for potential food industry applications, including biodegradable packaging and food coloring. The addition of sucrose altered the films' structural color, shifting from blue in pure CNC films to aqua blue, green, yellow-green, and red with increasing sucrose concentrations (up to 21 %). Surface analysis revealed a reduction in contact angle from 96° to 48° due to sucrose's hydrophilic nature and smoother film surfaces.
View Article and Find Full Text PDFMetabolomics Unveiled the Accumulation Characteristics of Taste Compounds During the Development and Maturation of Litchi Fruit.
Foods
January 2025
Key Laboratory of South Subtropical Fruit Biology and Genetic Resource Utilization, Ministry of Agriculture and Rural Affairs, Guangdong Provincial Key Laboratory of Science and Technology Research on Fruit Tree, Institute of Fruit Tree Research, Guangdong Academy of Agricultural Sciences, Guangzhou 510640, China.
Litchi is one of the ancient fruits that originated in China, renowned for its high nutrition and rich flavor, and Xianjinfeng (XJF) stands as one of the most notable varieties in terms of its flavor. Investigating the metabolic changes in taste compounds during fruit development offers deeper insights into the formation patterns of fruit quality. In this study, we conducted extensive metabonomic research on the accumulation patterns of taste compounds (carbohydrates, organic acids, and amino acids) across three developmental stages of XJF litchi.
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