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- 저자 : Aihui Liang (검색결과 3 건)
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Aihui Liang,Gui Huang,Zhiping Wang,Wenjin Wu,Yu Zhong,Shan Zhao 대한금속·재료학회 2016 ELECTRONIC MATERIALS LETTERS Vol.12 No.5
A novel bis(dibenzo-24-crown-8)-functionalized iridium complex with anemission peak at 665 nm was synthesized. Several deep red-emittingsupramolecualr phosphorescent polymers (SPPs) as a class of solutionprocessableelectroluminescent (EL) emitters were formed by utilizing theefficient non-bonding self-assembly between the resulting iridium complexand bis(dibenzylammonium)-tethered monomers. These SPPs show anintrinsic glass transition with a Tg of ca. 90 °C. The photophysical andelectroluminescent properties are strongly dependent on the hosts’ structuresof the supramolecular phosphorescent polymers. The polymer light-emittingdiode based on SPP3 displayed a maximal external quantum efficiency(EQE) of 2.14% ph·el−1 and the Commission Internationale de L’Eclairage(CIE) coordinates of (0.70, 0.29).
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Highly catalysis Zinc MOF-loaded nanogold coupled with aptamer to assay trace carbendazim by SERS
Jingjing Li,Aihui Liang,Jinling Shi,Zhiliang Jiang Techno-Press 2023 Advances in nano research Vol.14 No.4
Zinc metal organic framework (MOF<sub>Zn</sub>)-loaded goad nanoparticles (AuNPs) sol (Au@MOF<sub>Zn</sub>), which was characterized by TEM, Mapping, FTIR, XRD, and molecular spectrum, was prepared conveniently by solvothermal method. The results indicated that Au@MOF<sub>Zn</sub> had a very strong catalytic effect with the nanoreaction of AuNPs formation between sodium oxalate (SO) and HAuCl4. AuNPs in the new indicator reaction had a strong resonance Rayleigh scattering (RRS) signal at 370 nm. The indicator AuNPs generated by this reaction, which had the most intense surface enhanced Raman scattering (SERS) peak at 1621 cm -1. The new SERS/RRS indicator reaction in combination with specific aptamer (Apt) to fabricate a sensitive and selective Au@MOF<sub>Zn</sub> catalytic amplification-aptamer SERS/RRS assay platform for carbendazim (CBZ), with SERS/RRS linear range of 0.025-0.5 ng/mL. The detection limit was 0.02 ng/mL. Similarly, this assay platform has been also utilized to detect oxytetracycline (OTC) and profenofos (PF).
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A new peptide-mediated COF nanocatalytic amplification SERS quantitative assay for ultratrace Cu2+
Yiyi Shu,Shengfu Zhi,Sha Li,Aihui Liang,Zhiliang Jiang 한국공업화학회 2022 Journal of Industrial and Engineering Chemistry Vol.113 No.-
Peptides are an important recognition element for small molecules and have been used in the field of biologicalanalysis. However, it has been rarely reported that a novel method combining peptides as recognitionelements with covalent organic framework (COF) as catalytic amplification signal to constructhighly sensitive and selective three-mode molecular spectroscopy. In this paper, high catalytic and stablethree COFs were prepared, and the catalysis of the new indicator nanoreaction of HAuCl4-sodiumformate(Fo) was studied by molecular spectral slope procedure. The produced gold nanoparticles (AuNPs) exhibita strong resonance Rayleigh scattering (RRS) peak at 370 nm and surface plasmon resonance absorption(Abs) peak at 540 nm. In the presence of molecular probes, a strongest surface-enhanced Raman scattering(SERS) peak was generated at 1617 cm1. Combining the COFTpBD amplification indicator reactionwith specific peptide (PT) reaction of Cu2+, a novel, sensitive and selective SERS/RRS/Abs assay platformwas established, with a SERS linear range of 0.005–0.115 nmol/L Cu2+. In addition, the two workingcurves of lg[Cu2+] vs SERS and [Cu2+] vs SERS intensity, and the nanocatalytic mechanism were discussed.
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