Yingqiang Fu

Anhui Polytechnic University

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Jianghua Wang

Huazhong Agricultural University

Zhilin Zhou

Anhui Polytechnic University

Zhiwen Li

Dalian Institute of Chemical Physics

Tingxian Tao

Anhui Polytechnic University

Yinlu Sun

Liaoning University

Jianwei Zhao

Jiaxing University

Qiyao Sun

Anhui Polytechnic University

Zhigao Li

Dalian Polytechnic University

Xian-Dong Zhu

Anhui Polytechnic University

Rongmei Liu

Anhui Polytechnic University

Cooperative Institutions

Harbin Medical University

Third Affiliated Hospital of Harbin Medical University

Nanjing University

Sichuan University

Anhui Polytechnic University

Chinese Academy of Sciences

Chinese Academy of Medical Sciences & Peking Union Medical College

Huazhong University of Science and Technology

Central South University

Xuzhou Medical College

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Nitrogen-Doped Carbon Quantum Dots as Dual Mode Fluorescence Sensors for the Determination of Food Colorant Quinoline Yellow

Jianghua Wang Zhilin Zhou Qing Li Tong Zhang Yingqiang Fu

Quinoline yellow (QY), as a food colouring agent, will consume a large amount of detoxifying substances in the body after being ingested by the human body, interfering with the normal metabolic functions of the human body, and may cause allergies, diarrhoea and other symptoms, as well as a certain degree of carcinogenicity, posing a great threat to human health. As a result, it is critical to develop a fast, sensitive, and effective approach to determining quinoline yellow in food. In this study, carbon dots (N-CQDs) with high fluorescence quantum yield were prepared and used to determine the QY content using the dual mode of internal filtering effect and fluorescence emission shift detection. Both methods showed good linearity in the range of QY concentration of 0.3-3.2 μM, and the detection limits were classified as 2.6 nM and 0.18 μM. In addition, in order to achieve visual detection of QY, fluorescent test strips were constructed using the carbon dots and non-fluorescent qualitative filter paper to make the detection of QY more convenient. This probe presents a novel way for detecting quinoline yellow in food analysis.

Quinoline

Dual mode

Carbon Quantum Dots

Carbon fibers

Mode (computer interface)

10.2139/ssrn.4737698

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Simultaneous Determination of Chromium Cobalt and Iron by ANN-catalytic-kinetic Spectrophotometry

Physical Testing and Chemical Analysis (2010)

Yingqiang Fu

In an acetate buffer medium of pH 4.7,the oxidative color-fading of brilliant cresol blue by its reaction with hydrogen peroxide was catalyzed by Cr~(3+),Co~(2+) or Fe~(3+) and also the mixture of the 3 cations,leading to enhancement of color fading.But no additivity among the analytical signals of the 3 cations was found,possibly due to differences in speed of the catalytic reactions with the 3 cations individually.Artificial neural network(ANN) was applied to the treatment of such non-linear data,and based on which a method for simultaneous determination of Cr~(3+),Co~(2+) and Fe~(3+) in their mixtures by catalytic kinetic spectrophotometry was proposed.Six mixtures of the 3 cations with different concentrations were analyzed by the proposed mehtod,giving relative errors among the analytical results in the range -4.6%to 4.9%.

Spectrophotometry

Linear range

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Photoluminescent Properties of Water-Stable Zinc(Ii)-Organic Framework

SSRN Electronic Journal (2022)

Jie Yang Zhongshu Ma Huimin Liu Fan-Sheng Meng Yu-Jing Ding

A flexible 3D framework [Zn3(OH)2(btca)2·2DMF]·H2O (1) constructed by [Zn3(OH)2] chains and btac2- linkers has been solvothermally synthesized by zinc nitrate salt and benzotriazole-5-carboxylic acid (H2btca) ligand. Powder X-ray diffraction (PXRD), infrared spectra (IR), thermogravimetric analyses (TGA), elemental analyses and x-ray crystallography validated the formula of as-synthesized 1·H2O. Thereinto, the [Zn3(OH)2] 1D chain embodies the structural characteristics of the adjacent 12-MC-4 metallacrowns, the metallacrown consists of four metals, two μ3-OH oxygen anions and eight nitrogen atoms from triazole ligands. 1·H2O exhibits high water stability and pH stability in aqueous solution which can be applied as a “turn⁃off” fluorescence probe to detect Fe3+ and Cr6+ anions in an aqueous solution with selectivity and sensitivity.

10.2139/ssrn.4063646

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CCDC 1501264: Experimental Crystal Structure Determination

The Cambridge Structural Database (2016)

Xian-Dong Zhu Kun Zhang Weixiang Zhou Qing-Hai Li Yingqiang Fu

An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.

10.5517/ccdc.csd.cc1md5w2

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Fluorescent probes based on N-CQDs: For direct detection of food additives STPP and Al3+

Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy (2024)

Jianghua Wang Qing Li Weijie Wang Qian Wang Yingqiang Fu

Carbon fibers

Carbon Quantum Dots

10.1016/j.saa.2024.125036

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Tensile manipulation of ultrathin gold nanowires at different sizes and atomic vacancies

Superlattices and Microstructures (2016)

Fenying Wang Yingqiang Fu Baozhu Chi Yanfeng Dai Jianwei Zhao

Atomic units

Tension (geology)

10.1016/j.spmi.2016.06.017

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Citations (3)

Theoretical Simulation on the Chromatographic System Based on the Random Diffusion of the Separating Particles

Acta Physico-Chimica Sinica (2012)

Guo Yan Yingqiang Fu Yinlu Sun Tiannan Chen Jianwei Zhao

10.3866/pku.whxb201209141

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Citations (1)

Nitrogen-doped carbon quantum dots as dual mode fluorescence sensors for the determination of food colorant quinoline yellow

Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy (2024)

Jianghua Wang Zhilin Zhou Qing Li Tong Zhang Yingqiang Fu

Quinoline

Quantum yield

Carbon fibers

10.1016/j.saa.2024.124285

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Citations (4)

Simulate the diffusion of hydrated ions by nanofiltration membrane process with random walk

Molecular Simulation (2012)

Yingqiang Fu Lili Chen Jiaying Ke Yajun Gao Shijie Zhang

We propose a new diffusion model describing the diffusion behaviours of hydrated ions in the process of nanofiltration (NF) based on the random walk (RW) theory when the NF membrane is uncharged or low charged. In this model, the hydration of ions and their deformation capacity are considered. The structure of the membrane is idealised into a lozenge shape and the diameter of membrane pore is defined as gapsize. A computer program named RW system in chemistry is developed to simulate based on this model. Six familiar ions Li+, Na+, Mg2+, Al3+, K+ and Ca2+ are investigated. Their characteristics are calculated by Gaussian 03, Pople, Inc., Wallingford, CT. The diffusivities of hydrated ions are calculated and discussed. The results show that the hydration of ions cannot be ignored in NF process when the membrane pore size is near the dimensions of the hydrated ions.

Nanofiltration

10.1080/08927022.2011.649427

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The deformation behaviors of silver nanowires including 3D defects under tension

Computational Materials Science (2013)

Yinlu Sun Wei Sun Yingqiang Fu FenYing Wang Yajun Gao

Deformation mechanism

Tension (geology)

Nanomaterials

Tensile testing

10.1016/j.commatsci.2013.06.004

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Citations (7)