2022
DOI: 10.1002/chem.202200113
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NIR‐II Fluorescent Probe for Detecting Trimethylamine Based on Intermolecular Charge Transfer

Abstract: A new kind of small organic NIR-II fluorophore molecule (ZS-1010) based on intermolecular charge transfer was developed as a NIR-II fluorescent probe for trimethylamine (TMA) detection, which is important for the diagnosis of cardiovascular disease, chronic kidney disease and diabetes. ZS-1010 has a strong push-pull electron system composed of electron donor unit and electron acceptor unit, exhibiting strong absorption and emission in the NIR-II region. When mixed with TMA which possesses strong electron-donat… Show more

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Cited by 7 publications
(4 citation statements)
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“…Fluorescence imaging is a noninvasive method, which is conducive to detecting and monitoring the variation of in situ biomarkers in a real-time manner in plants. As for in vivo fluorescence imaging in plants, the imaging quality in the shorter wavelength range (e.g., visible light (400–700 nm) or NIR-I range (700–900 nm)) is usually compromised or eroded because such pigments as chlorophylls, anthocyanins, and carotenoids in plants usually have absorptions in the visible-light wavelength range and exhibit fluorescence in the visible-light or NIR-I wavelength range. However, near-infrared second window (NIR-II, emission: 900–1700 nm) fluorescence imaging can achieve much superior imaging performance, owing to no interference from plant-related pigments in the NIR-II wavelength range.…”
Section: Introductionmentioning
confidence: 99%
“…Fluorescence imaging is a noninvasive method, which is conducive to detecting and monitoring the variation of in situ biomarkers in a real-time manner in plants. As for in vivo fluorescence imaging in plants, the imaging quality in the shorter wavelength range (e.g., visible light (400–700 nm) or NIR-I range (700–900 nm)) is usually compromised or eroded because such pigments as chlorophylls, anthocyanins, and carotenoids in plants usually have absorptions in the visible-light wavelength range and exhibit fluorescence in the visible-light or NIR-I wavelength range. However, near-infrared second window (NIR-II, emission: 900–1700 nm) fluorescence imaging can achieve much superior imaging performance, owing to no interference from plant-related pigments in the NIR-II wavelength range.…”
Section: Introductionmentioning
confidence: 99%
“…The utilization of an intermolecular charge transfer strategy offers a practical and attainable method for surmounting the significant challenges encountered in single molecules and nanomaterial systems. It involves the formation of common organic charge transfer (CT) complexes that exhibit distinct photophysical and morphological functionalities, achieved through diverse noncovalent interactions such as hydrogen bonding and π–π interactions among molecules. Additionally, the materials can be obtained from simple molecular units, obviating the necessity for complex synthetic procedures. These attributes render these complexes promising for applications such as light-emitting diodes, catalysis, and sensing. Furthermore, the intermolecular charge transfer strategy can convert initially nonluminescent substances into luminous materials by generating exciplexes, which further broadens the availability of luminescent materials. Moreover, the incorporation of the charge transfer process typically reduces the luminescence lifetime in comparison to those of monomeric molecules, which proves advantageous for the −3 dB bandwidth in the OWC scenarios.…”
mentioning
confidence: 99%
“…These attributes render these complexes promising for applications such as light-emitting diodes, catalysis, and sensing. 28 30 Furthermore, the intermolecular charge transfer strategy can convert initially nonluminescent substances into luminous materials by generating exciplexes, which further broadens the availability of luminescent materials. Moreover, the incorporation of the charge transfer process typically reduces the luminescence lifetime in comparison to those of monomeric molecules, which proves advantageous for the −3 dB bandwidth in the OWC scenarios.…”
mentioning
confidence: 99%
“…[16][17][18] Fluorescence-based sensors exhibit promising potential in biology, pharmacology, and environmental fields due to their low-cost, excellent selectivity and sensitivity, quick detection, and low detection limits. [19][20][21][22][23][24][25][26][27][28][29][30][31] Unfortunately, there are currently no fluorescent probes reported to detect propanol solvents, especially for the distinction of propanol isomers. Considering the difference of electron-withdrawing abilities between isopropanol and n-propanol isomers, one of the promising solutions is to design a fluorescent probe that is sensitive to them due to the change of excited state characteristic.Recently, Ma and Yang reported a series of hybridized local and charge-transfer (HLCT) materials.…”
mentioning
confidence: 99%