2022
DOI: 10.1002/anie.202203358
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Electronic Tuning in Reaction‐Based Fluorescent Sensing for Instantaneous and Ultrasensitive Visualization of Ethylenediamine

Abstract: Manipulation of a multi-physical quantity to steer a molecular photophysical property is of great significance in improving sensing performance. Here, an investigation on how a physical quantity rooted in the molecular structure induces an optical behavior change to facilitate ultrasensitive detection of ethylenediamine (EDA) is performed by varying a set of thiols. The model molecule consisting of a thiol with dual-carboxyl exhibits the strongest fluorescence, which is ascribed to the electron-donating abilit… Show more

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Cited by 52 publications
(31 citation statements)
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“…Such technologies have enabled on-site detection and quantitative analysis. 328 Portable detectors for on-site detection typically consist of an air pump, an integrated optical system (including optical source, light path system, and image recorder), an image processing module (which translates the fluorescence into an electrical signal), a power supply circuit, an LCD screen, linked to the cloud platform. 328 While these smart detectors exhibit advantages in terms of sensing accuracy and automation, miniaturization is an essential element that should be considered for the future development of the field.…”
Section: Fluorescent Probes For the Target Enzymes And Metabolites Of...mentioning
confidence: 99%
“…Such technologies have enabled on-site detection and quantitative analysis. 328 Portable detectors for on-site detection typically consist of an air pump, an integrated optical system (including optical source, light path system, and image recorder), an image processing module (which translates the fluorescence into an electrical signal), a power supply circuit, an LCD screen, linked to the cloud platform. 328 While these smart detectors exhibit advantages in terms of sensing accuracy and automation, miniaturization is an essential element that should be considered for the future development of the field.…”
Section: Fluorescent Probes For the Target Enzymes And Metabolites Of...mentioning
confidence: 99%
“…For example, in the field of food safety, the detection of odorants and flavor substances can significantly improve the quality control of raw materials, the supervision of processing process, and freshness degree [ 11 , 12 , 13 , 14 , 15 , 16 , 17 ]. In the field of safety and security, the detection of drugs and explosives can be achieved by the contact-free detection of characteristic odorants [ 18 , 19 , 20 , 21 ]. The assessment of air quality is very necessary to maintain and improve the quality of human settlements by detecting waste gas and harmful gases [ 22 , 23 , 24 , 25 , 26 , 27 ].…”
Section: Introductionmentioning
confidence: 99%
“…Optical techniques have exhibited good innovation and application in environmental sensing and biological monitoring due to their advantages of non-contact and non-destructive measurement, strong anti-interference ability, and high-speed transmission. Among the optical sensing techniques, the fluorescence probe method based on optical fibers, metal nanoparticles, quantum dots, and polymers has been utilized in bioimaging, explosive detection, temperature monitoring, and liquid analysis. However, the traditional fluorescence probe materials are not applicable enough for evaporation sensing applications, and developing novel fluorescent probes is necessary.…”
Section: Introductionmentioning
confidence: 99%