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240611s2024 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.4c00800
|2 doi
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|a pubmed24n1451.xml
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|a eng
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|a Guo, Xiaolin
|e verfasserin
|4 aut
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|a Triangular Triazine-Triphenylamine Functionalized Hybrid Fluorescent Porous Polymers for Detection and Photodegradation of Tetracycline Hydrochloride
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|c 2024
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|a Text
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 25.06.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a First, an organic semiconductor fluorescent molecule of 4',4″,4"'-(2,4,6-triphenyl-1,3,5-triazine)-4-(N,N-diphenyl-(1,1'-biphenyl)-4-amine (TPTz) is successfully synthesized by the Suzuki-Miyaura coupling reaction of 2,4,6-tris(4-bromophenyl)-1,3,5-triazine with 4-(diphenylamino)phenylboronic acid. TPTz offers as high as 85% fluorescence quantum yield and a strong solvent effect, with fluorescent colors across the visible spectrum in different solvents. Then, an organic-inorganic hybrid fluorescent porous polymer of PCS-TPTz with a surface area of 714 m2 g-1 and pore volume of 0.660 cm3 g-1 is prepared by the Friedel-Crafts reaction of TPTz and octavinylsilsesquioxane; PCS-TPTz showed a high fluorescence quantum yield of 17% with a large Stokes shift of up to 280 nm. The excellent fluorescence properties and insolubility of PCS-TPTz make it to act as a heterophase sensor for tetracycline hydrochloride (TH) with a KSV of 2.39 × 104 M-1. In addition, PCS-TPTz exhibits an excellent photodegradation activity for antibiotic TH without the requirement for additional oxidants or pH adjustments. ESR spectra and free radical trapping experiment indicate that superoxide radical (•O2-) is the active radical for achieving the photodegradation. The simultaneous detection and degradation of TH are achieved by PCS-TPTz
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|a Journal Article
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|a Sun, Chenyu
|e verfasserin
|4 aut
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|a Liu, Hongzhi
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1999
|g 40(2024), 25 vom: 25. Juni, Seite 13070-13081
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|x 1520-5827
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|g volume:40
|g year:2024
|g number:25
|g day:25
|g month:06
|g pages:13070-13081
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|u http://dx.doi.org/10.1021/acs.langmuir.4c00800
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