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A Novel Biomimetic Network Amplification Strategy Designed Fluorescent Aptasensor Based on Yolk-Shell Fe3O4 Nanomaterials for Aflatoxin B1 Detection. Food Chem 2022; 398:133761. [DOI: 10.1016/j.foodchem.2022.133761] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 06/19/2022] [Accepted: 07/20/2022] [Indexed: 11/17/2022]
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2
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Sitte E, Senge MO. The Red Color of Life Transformed - Synthetic Advances and Emerging Applications of Protoporphyrin IX in Chemical Biology. European J Org Chem 2020; 2020:3171-3191. [PMID: 32612451 PMCID: PMC7319466 DOI: 10.1002/ejoc.202000074] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Indexed: 01/10/2023]
Abstract
Protoporphyrin IX (PPIX) is the porphyrin scaffold of heme b, a ubiquitous prosthetic group of proteins responsible for oxygen binding (hemoglobin, myoglobin), electron transfer (cytochrome c) and catalysis (cytochrome P450, catalases, peroxidases). PPIX and its metallated derivatives frequently find application as therapeutic agents, imaging tools, catalysts, sensors and in light harvesting. The vast toolkit of accessible porphyrin functionalization reactions enables easy synthetic modification of PPIX to meet the requirements for its multiple uses. In the past few years, particular interest has arisen in exploiting the interaction of PPIX and its synthetic derivatives with biomolecules such as DNA and heme-binding proteins to evolve molecular devices with new functions as well as to uncover potential therapeutic toeholds. This review strives to shine a light on the most recent developments in the synthetic chemistry of PPIX and its uses in selected fields of chemical biology.
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Affiliation(s)
- Elisabeth Sitte
- School of ChemistryTrinity College DublinThe University of DublinTrinity Biomedical Sciences Institute152‐160 Pearse Street2DublinIreland
| | - Mathias O. Senge
- School of ChemistryTrinity College DublinThe University of DublinTrinity Biomedical Sciences Institute152‐160 Pearse Street2DublinIreland
- Institute for Advanced Study (TUM‐IAS)Technische Universität MünchenLichtenberg‐Str. 2a85748GarchingGermany
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Gao X, Geng M, Li Y, Wang X, Yu HZ. Revealing and Resolving the Restrained Enzymatic Cleavage of DNA Self-Assembled Monolayers on Gold: Electrochemical Quantitation and ESI-MS Confirmation. Anal Chem 2017; 89:2464-2471. [PMID: 28192924 DOI: 10.1021/acs.analchem.6b04573] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Herein, we report a combined electrochemical and ESI-MS study of the enzymatic hydrolysis efficiency of DNA self-assembled monolayers (SAMs) on gold, platform systems for understanding nucleic acid surface chemistry, and for constructing DNA-based biosensors. Our electrochemical approach is based on the comparison of the amounts of surface-tethered DNA nucleotides before and after exonuclease I (Exo I) incubation using electrostatically bound [Ru(NH3)6]3+ as redox indicators. It is surprising to reveal that the hydrolysis efficiency of ssDNA SAMs does not depend on the packing density and base sequence, and that the cleavage ends with surface-bound shorter strands (9-13 mers). The ex-situ ESI-MS observations confirmed that the hydrolysis products for ssDNA SAMs (from 24 to 56 mers) are dominated with 10-15 mer fragments, in contrast to the complete digestion in solution. Such surface-restrained hydrolysis behavior is due to the steric hindrance of the underneath electrode to the Exo I/DNA binding, which is essential for the occurrence of Exo I-catalyzed processive cleavage. More importantly, we have shown that the hydrolysis efficiency of ssDNA SAMs can be remarkably improved by adopting long alkyl linkers (locating DNA strands further away from the substrates).
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Affiliation(s)
- Xiaoyi Gao
- Department of Chemistry, Beijing Normal University , Beijing 100875, P. R. China
| | - Mingxi Geng
- Department of Chemistry, Beijing Normal University , Beijing 100875, P. R. China
| | - Yunchao Li
- Department of Chemistry, Beijing Normal University , Beijing 100875, P. R. China
| | - Xinglin Wang
- Department of Chemistry, Beijing Normal University , Beijing 100875, P. R. China
| | - Hua-Zhong Yu
- Department of Chemistry, Simon Fraser University , Burnaby, British Columbia V5A 1S6, Canada
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Briens A, Gauberti M, Parcq J, Montaner J, Vivien D, de lizarrondo SM. Nano-zymography Using Laser-Scanning Confocal Microscopy Unmasks Proteolytic Activity of Cell-Derived Microparticles. Am J Cancer Res 2016; 6:610-26. [PMID: 27022410 PMCID: PMC4805657 DOI: 10.7150/thno.13757] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2015] [Accepted: 01/27/2016] [Indexed: 12/31/2022] Open
Abstract
Cell-derived microparticles (MPs) are nano-sized vesicles released by activated cells in the extracellular milieu. They act as vectors of biological activity by carrying membrane-anchored and cytoplasmic constituents of the parental cells. Although detection and characterization of cell-derived MPs may be of high diagnostic and prognostic values in a number of human diseases, reliable measurement of their size, number and biological activity still remains challenging using currently available methods. In the present study, we developed a protocol to directly image and functionally characterize MPs using high-resolution laser-scanning confocal microscopy. Once trapped on annexin-V coated micro-wells, we developed several assays using fluorescent reporters to measure their size, detect membrane antigens and evaluate proteolytic activity (nano-zymography). In particular, we demonstrated the applicability and specificity of this method to detect antigens and proteolytic activities of tissue-type plasminogen activator (tPA), urokinase and plasmin at the surface of engineered MPs from transfected cell-lines. Furthermore, we were able to identify a subset of tPA-bearing fibrinolytic MPs using plasma samples from a cohort of ischemic stroke patients who received thrombolytic therapy and in an experimental model of thrombin-induced ischemic stroke in mice. Overall, this method is promising for functional characterization of cell-derived MPs.
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Ma DL, Wang W, Mao Z, Yang C, Chen XP, Lu JJ, Han QB, Leung CH. A tutorial review for employing enzymes for the construction of G-quadruplex-based sensing platforms. Anal Chim Acta 2016; 913:41-54. [DOI: 10.1016/j.aca.2016.01.043] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2015] [Revised: 01/11/2016] [Accepted: 01/19/2016] [Indexed: 01/31/2023]
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6
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Chen J, Liu Y, Zhao GC. A Novel Photoelectrochemical Biosensor for Tyrosinase and Thrombin Detection. SENSORS 2016; 16:s16010135. [PMID: 26805846 PMCID: PMC4732168 DOI: 10.3390/s16010135] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/16/2015] [Revised: 01/14/2016] [Accepted: 01/16/2016] [Indexed: 12/19/2022]
Abstract
A novel photoelectrochemical biosensor for step-by-step assay of tyrosinase and thrombin was fabricated based on the specific interactions between the designed peptide and the target enzymes. A peptide chain with a special sequence which contains a positively charged lysine-labeled terminal, tyrosine at the other end and a cleavage site recognized by thrombin between them was designed. The designed peptide can be fixed on surface of the CdTe quantum dots (QDs)-modified indium-tin oxide (ITO) electrode through electrostatic attraction to construct the photoelectrochemical biosensor. The tyrosinase target can catalyze the oxidization of tyrosine by oxygen into ortho-benzoquinone residues, which results in a decrease in the sensor photocurrent. Subsequently, the cleavage site could be recognized and cut off by another thrombin target, restoring the sensor photocurrent. The decrease or increase of photocurrent in the sensor enables us to assay tyrosinase and thrombin. Thus, the detection of tyrosinase and thrombin can be achieved in the linear range from 2.6 to 32 μg/mL and from 4.5 to 100 μg/mL with detection limits of 1.5 μg/mL and 1.9 μg/mL, respectively. Most importantly, this strategy shall allow us to detect different classes of enzymes simultaneously by designing various enzyme-specific peptide substrates.
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Affiliation(s)
- Jiexia Chen
- Anhui Key Laboratory of Chem-Biosensing, School of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000, China.
- Departement of Chemistry, Wannan Medical College, Wuhu 241002, China.
| | - Yifan Liu
- Anhui Key Laboratory of Chem-Biosensing, School of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000, China.
| | - Guang-Chao Zhao
- Anhui Key Laboratory of Chem-Biosensing, School of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000, China.
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Cao JX, Wang YS, Xue JH, Huang YQ, Li MH, Chen SH, Zhou B, Tang X, Wang XF, Zhu YF. Exonuclease III-assisted substrate fragment recycling amplification strategy for ultrasensitive detection of uranyl by a multipurpose DNAzyme. RSC Adv 2016. [DOI: 10.1039/c6ra20625e] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Substrate fragment cleaved by UO22+ hybridizes with SSP6 to form dsDNA, triggering substrate fragment recycling amplification by Exo III.
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Affiliation(s)
- Jin-Xiu Cao
- College of Public Health
- University of South China
- Hengyang 421001
- PR China
- The Fifth Affiliated Hospital
| | - Yong-Sheng Wang
- College of Public Health
- University of South China
- Hengyang 421001
- PR China
| | - Jin-Hua Xue
- College of Public Health
- University of South China
- Hengyang 421001
- PR China
| | - Yan-Qin Huang
- College of Public Health
- University of South China
- Hengyang 421001
- PR China
| | - Ming-Hui Li
- College of Public Health
- University of South China
- Hengyang 421001
- PR China
| | - Si-Han Chen
- College of Public Health
- University of South China
- Hengyang 421001
- PR China
| | - Bin Zhou
- College of Public Health
- University of South China
- Hengyang 421001
- PR China
| | - Xian Tang
- College of Public Health
- University of South China
- Hengyang 421001
- PR China
| | - Xiao-Feng Wang
- College of Public Health
- University of South China
- Hengyang 421001
- PR China
| | - Yu-Feng Zhu
- College of Public Health
- University of South China
- Hengyang 421001
- PR China
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Ai J, Li J, Ga L, Yun G, Xu L, Wang E. G-quadruplex/protoporphyrin IX-functionalized silver nanoconjugates for targeted cancer cell photodynamic therapy. RSC Adv 2016. [DOI: 10.1039/c6ra18178c] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
A new type of G-quadruplex/protoporphyrin IX-functionalized silver nanoconjugate was prepared and used for the targeted photodynamic therapy of cancer cells via the specific interaction between AS1411 and the nucleolin on the cell surface.
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Affiliation(s)
- Jun Ai
- College of Chemistry and Enviromental Science
- Inner Mongolia Normal University
- Hohhot 010022
- China
- State Key Laboratory of Electroanalytical Chemistry
| | - Jing Li
- State Key Laboratory of Electroanalytical Chemistry
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun 130022
- China
| | - Lu Ga
- College of Pharmacy
- Inner Mongolia Medical University
- Hohhot 010110
- China
| | - Guohong Yun
- College of Chemistry and Enviromental Science
- Inner Mongolia Normal University
- Hohhot 010022
- China
| | - Li Xu
- State Key Laboratory of Electroanalytical Chemistry
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun 130022
- China
| | - Erkang Wang
- State Key Laboratory of Electroanalytical Chemistry
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun 130022
- China
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Yan M, Bai W, Zhu C, Huang Y, Yan J, Chen A. Design of nuclease-based target recycling signal amplification in aptasensors. Biosens Bioelectron 2015; 77:613-23. [PMID: 26485175 DOI: 10.1016/j.bios.2015.10.015] [Citation(s) in RCA: 65] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2015] [Revised: 09/21/2015] [Accepted: 10/05/2015] [Indexed: 10/22/2022]
Abstract
Compared with conventional antibody-based immunoassay methods, aptasensors based on nucleic acid aptamer have made at least two significant breakthroughs. One is that aptamers are more easily used for developing various simple and rapid homogeneous detection methods by "sample in signal out" without multi-step washing. The other is that aptamers are more easily employed for developing highly sensitive detection methods by using various nucleic acid-based signal amplification approaches. As many substances playing regulatory roles in physiology or pathology exist at an extremely low concentration and many chemical contaminants occur in trace amounts in food or environment, aptasensors for signal amplification contribute greatly to detection of such targets. Among the signal amplification approaches in highly sensitive aptasensors, the nuclease-based target recycling signal amplification has recently become a research focus because it shows easy design, simple operation, and rapid reaction and can be easily developed for homogenous assay. In this review, we summarized recent advances in the development of various nuclease-based target recycling signal amplification with the aim to provide a general guide for the design of aptamer-based ultrasensitive biosensing assays.
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Affiliation(s)
- Mengmeng Yan
- Institute of Quality Standards and Testing Technology for Agro-products, Key Laboratory of Agro-product Quality and Safety, Chinese Academy of Agricultural Science, Beijing 100081, China; Key Laboratory of Agri-Food Quality and Safety, Ministry of Agriculture, Beijing 100081, China
| | - Wenhui Bai
- Institute of Quality Standards and Testing Technology for Agro-products, Key Laboratory of Agro-product Quality and Safety, Chinese Academy of Agricultural Science, Beijing 100081, China; Key Laboratory of Agri-Food Quality and Safety, Ministry of Agriculture, Beijing 100081, China
| | - Chao Zhu
- Institute of Quality Standards and Testing Technology for Agro-products, Key Laboratory of Agro-product Quality and Safety, Chinese Academy of Agricultural Science, Beijing 100081, China; Key Laboratory of Agri-Food Quality and Safety, Ministry of Agriculture, Beijing 100081, China
| | - Yafei Huang
- Institute of Quality Standards and Testing Technology for Agro-products, Key Laboratory of Agro-product Quality and Safety, Chinese Academy of Agricultural Science, Beijing 100081, China; Key Laboratory of Agri-Food Quality and Safety, Ministry of Agriculture, Beijing 100081, China; College of Food Science and Technology, Hainan University, Haikou 570228, China
| | - Jiao Yan
- Institute of Quality Standards and Testing Technology for Agro-products, Key Laboratory of Agro-product Quality and Safety, Chinese Academy of Agricultural Science, Beijing 100081, China; Key Laboratory of Agri-Food Quality and Safety, Ministry of Agriculture, Beijing 100081, China; College of Food Science and Technology, Hainan University, Haikou 570228, China
| | - Ailiang Chen
- Institute of Quality Standards and Testing Technology for Agro-products, Key Laboratory of Agro-product Quality and Safety, Chinese Academy of Agricultural Science, Beijing 100081, China; Key Laboratory of Agri-Food Quality and Safety, Ministry of Agriculture, Beijing 100081, China.
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Wang Q, Zhou Z, Zhai Y, Zhang L, Hong W, Zhang Z, Dong S. Label-free aptamer biosensor for thrombin detection based on functionalized graphene nanocomposites. Talanta 2015; 141:247-52. [PMID: 25966410 DOI: 10.1016/j.talanta.2015.04.012] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2014] [Revised: 04/01/2015] [Accepted: 04/05/2015] [Indexed: 12/28/2022]
Abstract
A label-free and amplified electrochemical impedimetric aptasensor based on functionalized graphene nanocomposites (rGO-AuNPs) was developed for the detection of thrombin, which played a vital role in thrombosis and hemostasis. The thiolated aptamer and dithiothreitol (TBA15-DTT) were firstly immobilized on the gold electrode to capture the thrombin molecules, and then aptamer functionalized graphene nanocomposites (rGO-TBA29) were used to fabricate a sandwich sensing platform for amplifying the impedimetric signals. As numerous negative charges of TBA29 on the electrode repelled to the [Fe(CN)6](4-/3-) anions, resulting in an obvious amplified charge-transfer resistance (Rct) signal. The Rct increase was linearly proportional to the thrombin concentration from 0.3 to 50nM and a detection limit of 0.01nM thrombin was achieved. In addition, graphene could also be labeled with other probes via electrostatic or π-π stacking interactions to produce signals, therefore different detection methods expanding wide application could be used in this model.
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Affiliation(s)
- Qingqing Wang
- College of Chemistry, Jilin University, Changchun 130012, PR China; State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, PR China
| | - Zhixue Zhou
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, PR China
| | - Yanling Zhai
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, PR China
| | - Lingling Zhang
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, PR China
| | - Wei Hong
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, PR China
| | - Zhiquan Zhang
- College of Chemistry, Jilin University, Changchun 130012, PR China.
| | - Shaojun Dong
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, PR China.
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Li F, Zhang H, Wang Z, Newbigging AM, Reid MS, Li XF, Le XC. Aptamers facilitating amplified detection of biomolecules. Anal Chem 2014; 87:274-92. [PMID: 25313902 DOI: 10.1021/ac5037236] [Citation(s) in RCA: 147] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Feng Li
- Department of Laboratory Medicine and Pathology, ‡Department of Chemistry, University of Alberta , Edmonton, Alberta, Canada T6G 2G3
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Gao C, Li H, Liu Y, Wei W, Zhang Y, Liu S. Label-free fluorescence detection of DNA methylation and methyltransferase activity based on restriction endonuclease HpaII and exonuclease III. Analyst 2014; 139:6387-92. [DOI: 10.1039/c4an01359j] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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13
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Xu W, Yi H, Yuan Y, Jing P, Chai Y, Yuan R, Wilson GS. An electrochemical aptasensor for thrombin using synergetic catalysis of enzyme and porous Au@Pd core-shell nanostructures for signal amplification. Biosens Bioelectron 2014; 64:423-8. [PMID: 25280342 DOI: 10.1016/j.bios.2014.08.091] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2014] [Revised: 08/25/2014] [Accepted: 08/30/2014] [Indexed: 01/01/2023]
Abstract
In this work, a sensitive electrochemical aptasensor for thrombin (TB) based on synergetic catalysis of enzyme and porous Au@Pd core-shell nanostructure has been constructed. With the advantages of large surface area and outstanding catalytic performance, porous Au@Pd core-shell nanostructures were firstly employed as the nanocarrier for the immobilization of electroactive toluidine blue (Tb), hemin/G-quadruplex formed by intercalating hemin into the TB aptamer (TBA) and glucose oxidase (GOx). As a certain amount of glucose was added into the detection cell, GOx rapidly catalyzed the oxidation of glucose, coupling with the local generation of H2O2 in the presence of dissolved O2. Then, porous Au@Pd nanoparticles and hemin/G-quadruplex as the peroxidase mimics efficiently catalyzed the reduction of H2O2, amplifying the electrochemical signal and improving the sensitivity. Finally, a detection limit of 0.037pM for TB was achieved. The excellent performance of the aptasensor indicated its promising prospect as a valuable tool in simple and cost-effective TB detection in clinical application.
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Affiliation(s)
- Wenju Xu
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China; Deparment of Chemistry, University of Kansas, Lawrence, KS, 66045, USA.
| | - Huayu Yi
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
| | - Yali Yuan
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
| | - Pei Jing
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
| | - Yaqin Chai
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
| | - Ruo Yuan
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
| | - George S Wilson
- Deparment of Chemistry, University of Kansas, Lawrence, KS, 66045, USA
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