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Fast and sensitive multivalent spatial pattern-recognition for circular RNA detection.
Nat Commun
December 2024
Department of Pharmacology, Jiangsu Provincial Key Laboratory of Critical Care Medicine, School of Medicine, Southeast University, Nanjing, China.
While circular RNAs (circRNAs) exhibit lower abundance compared to corresponding linear RNAs, they demonstrate potent biological functions. Nevertheless, challenges arise from the low concentration and distinctive structural features of circRNAs, rendering existing methods operationally intricate and less sensitive. Here, we engineer an intelligent tetrahedral DNA framework (TDF) possessing precise spatial pattern-recognition properties with exceptional sensing speed and sensitivity for circRNAs.
View Article and Find Full Text PDFAdvanced Design for Stimuli-Reversible Chromic Wearables With Customizable Functionalities.
Adv Mater
December 2024
Nanotechnology Center, School of Fashion and Textiles, The Hong Kong Polytechnic University Hung Hom, Kowloon, Hong Kong, 999077, China.
Smart wearable devices with dynamically reversible color displays are crucial for the next generation of smart textiles, and promising for bio-robots, adaptive camouflage, and visual health monitoring. The rapid advancement of technology brings out different categories that feature fundamentally different color-reversing mechanisms, including thermochromic, mechanochromic, electrochromic, and photochromic smart wearables. Although some reviews have showcased relevant developments from unique perspectives, reviews focusing on the advanced design of flexible chromic wearable devices within each category have not been reported.
View Article and Find Full Text PDFMode-Specific Photoresponse of Retinal Protonated Schiff Base Isomers in the Reversible Photochromic Reactions of Microbial and Animal Rhodopsins.
J Phys Chem B
December 2024
Department of Chemistry, Lomonosov Moscow State University, Leninskie Gory 1/3, Moscow 119991, Russia.
The primary photoisomerization reactions of the all- to 13- and 11- to all- retinal protonated Schiff base (RPSB) in microbial and animal rhodopsins, respectively, occur on a subpicosecond time scale with high quantum yields. At the same time, the isolated RPSB exhibits slower excited-state decay, in particular, in its all- form, and hence the interaction with the protein environment is capable of changing the time scale as well as the specificity of the reaction. Here, by using the high-level QM/MM calculations, we provide a comparative study of the primary photoresponse of and RPSB isomers in both the initial forms and first photoproducts of microbial rhodopsin 2 (KR2) and bacteriorhodopsin (BR), and animal visual rhodopsin (Rho).
View Article and Find Full Text PDFDual-Response Visual Fluorescent Probes for the Determination of Vanadate and Morphology over a Wide pH Range.
Anal Chem
December 2024
School of Chemistry, South China Normal University, Guangzhou 510006, China.
Vanadate has become an important indicator for environmental testing due to its high toxicity, mobility, and difficulty in degradation. In addition, depending on its dynamic aggregation, analyzing vanadate is not a single content test; it needs further morphological analysis. Previous research has tended to construct a single functional platform with complicated procedures and expensive equipment, making it difficult to obtain a comprehensive picture of vanadate in a short time.
View Article and Find Full Text PDFRobust, intelligent photochromic cotton fabrics with superamphiphobicity and expedient UV detection ability.
Int J Biol Macromol
December 2024
Shandong Key Laboratory of Medical and Health Textile Materials, Collaborative Innovation Center for Eco-textiles of Shandong Province and the Ministry of Education Collaborative, College of Textiles & Clothing, Qingdao University, Qingdao 266071, China. Electronic address:
Multifunctional photochromic cotton fabrics have enormous application potential in our daily lives, but still suffer from poor durability, slow coloration, tedious fabrication process, and short service life. The hydrophilic and polysaccharide characteristics of cotton fabrics make them vulnerable to bacteria adhesion and proliferation. Herein, intelligent photochromic cotton fabrics featured with durable superamphiphobicity are fabricated by in situ growth of ZIF-8 nanoparticles encapsulating spirooxazine (SP) photochromic dyes on the fabric surface, followed by low surface energy treatment using a fluorocarbon resin (FR) via a dip-coating method.
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