1
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Zhang J, Luo Y, Chen Y, Lian H, Liu B, Chen C, Wei X. Copper (II)-catalyzed polydopamine mediated photothermal sensors for visual quantitative point-of-care testing. Anal Chim Acta 2024; 1325:343114. [PMID: 39244302 DOI: 10.1016/j.aca.2024.343114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2024] [Revised: 08/12/2024] [Accepted: 08/14/2024] [Indexed: 09/09/2024]
Abstract
BACKGROUND Temperature sensing is commonly used in point-of-care (POC) detection technologies, yet the portability and convenience of use are frequently compromised by the complexity of thermosensitive processes and signal transduction. Especially, multi-step target recognition reactions and temperature measurement in the reaction vessel present challenges in terms of stability and integration of detection devices. To further combine photothermal reaction and signal readout in one assay, these two processes enable to be integrated into miniaturized microfluidic chips, thereby facilitating photothermal sensing and achieving a simple visual temperature sensing as POC detection. RESULTS A copper ion (Cu2+)-catalyzed photothermal sensing system integrated onto a microfluidic distance-based analytical device (μDAD), enabling the visual, portable, and sensitive quantitative detection of multiple targets, including ascorbic acid, glutathione, and alkaline phosphatase (ALP). The polydopamine nanoparticles (PDA NPs) were synthesized by the regulation of free Cu2+ through redox or coordination reactions, facilitating the transduction of distinct photothermal response signals and providing the versatile Cu2+-responsive sensing systems. Promoted by integration with a photothermal μDAD, the system combines PDA's photothermal responsiveness and thermosensitive gas production of ammonium bicarbonate for improved sensitivity of ALP detection, reaching the detection limit of 9.1 mU/L. The system has successfully achieved on-chip detection of ALP with superior anti-interference capability and recoveries ranging from 96.8 % to 104.7 %, alongside relative standard deviations below 8.0 %. SIGNIFICANCE AND NOVELTY The μDAD design accommodated both the photothermal reaction of PDA NPs and thermosensitive gas production reaction, achieving the rapid sensing of visual distance signals. The μDAD-based Cu2+-catalyzed photothermal sensing system holds substantial potential for applications in biochemical analysis and clinical diagnostics, underscored by the versatile Cu2+ regulation mechanism for a broad spectrum of biomarkers.
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Affiliation(s)
- Jingman Zhang
- College of Materials Science and Engineering, Huaqiao University, Xiamen, 361021, China
| | - Yiying Luo
- College of Materials Science and Engineering, Huaqiao University, Xiamen, 361021, China
| | - Yiyu Chen
- College of Materials Science and Engineering, Huaqiao University, Xiamen, 361021, China
| | - Huiting Lian
- College of Materials Science and Engineering, Huaqiao University, Xiamen, 361021, China
| | - Bin Liu
- College of Materials Science and Engineering, Huaqiao University, Xiamen, 361021, China; Key Laboratory of Molecular Designing and Green Conversions, Huaqiao University, Xiamen, 361021, China; Xiamen Key Laboratory of Optoelectronic Materials and Advanced Manufacturing, Huaqiao University, Xiamen, 361021, China
| | - Chunnuan Chen
- Department of Neurology, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, 362000, China.
| | - Xiaofeng Wei
- College of Materials Science and Engineering, Huaqiao University, Xiamen, 361021, China; Key Laboratory of Molecular Designing and Green Conversions, Huaqiao University, Xiamen, 361021, China; Xiamen Key Laboratory of Optoelectronic Materials and Advanced Manufacturing, Huaqiao University, Xiamen, 361021, China.
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2
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Li Y, Lu H, Xu S. The construction of dual-emissive ratiometric fluorescent probes based on fluorescent nanoparticles for the detection of metal ions and small molecules. Analyst 2024; 149:304-349. [PMID: 38051130 DOI: 10.1039/d3an01711g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2023]
Abstract
With the rapid development of fluorescent nanoparticles (FNPs), such as CDs, QDs, and MOFs, the construction of FNP-based probes has played a key role in improving chemical sensors. Ratiometric fluorescent probes exhibit distinct advantages, such as resistance to environmental interference and achieving visualization. Thus, FNP-based dual-emission ratiometric fluorescent probes (DRFPs) have rapidly developed in the field of metal ion and small molecule detection in the past few years. In this review, firstly we introduce the fluorescence sensing mechanisms; then, we focus on the strategies for the fabrication of DRFPs, including hybrid FNPs, single FNPs with intrinsic dual emission and target-induced new emission, and DRFPs based on auxiliary nanoparticles. In the section on hybrid FNPs, methods to assemble two types of FNPs, such as chemical bonding, electrostatic interaction, core satellite or core-shell structures, coordination, and encapsulation, are introduced. In the section on single FNPs with intrinsic dual emission, methods for the design of dual-emission CDs, QDs, and MOFs are discussed. Regarding target-induced new emission, sensitization, coordination, hydrogen bonding, and chemical reaction induced new emissions are discussed. Furthermore, in the section on DRFPs based on auxiliary nanoparticles, auxiliary nanomaterials with the inner filter effect and enzyme mimicking activity are discussed. Finally, the existing challenges and an outlook on the future of DRFP are presented. We sincerely hope that this review will contribute to the quick understanding and exploration of DRFPs by researchers.
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Affiliation(s)
- Yaxin Li
- School of Chemistry and Chemical Engineering, Linyi University, Linyi 276005, China
- Laboratory of Functional Polymers, School of Materials Science and Engineering, Linyi University, Linyi 276005, China.
| | - Hongzhi Lu
- Laboratory of Functional Polymers, School of Materials Science and Engineering, Linyi University, Linyi 276005, China.
| | - Shoufang Xu
- Laboratory of Functional Polymers, School of Materials Science and Engineering, Linyi University, Linyi 276005, China.
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3
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Lu G, Jia Z, Yu M, Zhang M, Xu C. A Ratiometric Fluorescent Sensor Based on Chelation-Enhanced Fluorescence of Carbon Dots for Zinc Ion Detection. Molecules 2023; 28:7818. [PMID: 38067546 PMCID: PMC10708225 DOI: 10.3390/molecules28237818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 11/18/2023] [Accepted: 11/22/2023] [Indexed: 12/18/2023] Open
Abstract
Zinc ion, one of the most important transition metal ions in living organisms, plays a crucial role in the homeostasis of the organism. The disorder of zinc is associated with many major diseases. It is highly desirable to develop selective and sensitive methods for the real-time detection of zinc ions. In this work, double-emitting fluorescent carbon dots (CDs) are prepared by a solvothermal method using glutathione, L-aspartic acid, and formamide as the raw materials. The carbon dots specifically recognize zine ions and produce a decrease in fluorescence intensity at 684 nm and an increase at 649 nm, leading to a ratiometric fluorescent sensor for zinc detection. Through surface modification and spectral analysis, the surface groups including carboxyl, carbonyl, hydroxyl, and amino groups, and C=N in heterocycles of CDs are revealed to synergistically coordinate Zn2+, inducing the structural changes in the emission site. The CDs can afford a low limit of detection of ~5 nM for Zn2+ detection with good linearity in the range of 0.02-5 μM, showing good selectivity as well. The results from real samples including fetal bovine serum, milk powder, and zinc gluconate oral solution indicated the good applicability of the CDs in the determination of Zn2+.
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Affiliation(s)
- Guangrong Lu
- Department of Gastroenterology, The Second Affiliated Hospital, Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou 325000, China;
| | - Zhenzhen Jia
- School of Basic Medical Sciences, Health Science Center, Xi’an Jiaotong University, Xi’an 710061, China; (Z.J.); (M.Y.)
| | - Mengdi Yu
- School of Basic Medical Sciences, Health Science Center, Xi’an Jiaotong University, Xi’an 710061, China; (Z.J.); (M.Y.)
| | - Mingzhen Zhang
- School of Basic Medical Sciences, Health Science Center, Xi’an Jiaotong University, Xi’an 710061, China; (Z.J.); (M.Y.)
| | - Changlong Xu
- Department of Gastroenterology, The Second Affiliated Hospital, Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou 325000, China;
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4
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Liu S, Wang N, Li L, Liu Y. Capsulation of EBTAC into ZIF-8 for the development of a signal-on fluorescent biosensor to detect alkaline phosphatase. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2023; 15:6015-6020. [PMID: 37909146 DOI: 10.1039/d3ay01558k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/02/2023]
Abstract
Diseases such as liver cancer, extrahepatic biliary obstruction and osteocarcinoma are closely associated with the abnormal level of alkaline phosphatase (ALP). Hence, it is essential to develop a convenient assay to detect ALP activity. Herein, a novel signal-on fluorescent biosensor on account of the fluorescence signal of the aggregation-induced emission (AIE) fluorochrome 2,2',2'',2'''-((ethene-1,1,2,2-tetrayltetrakis(benzene-4,1-diyl))tetrakis(oxy))tetraacetic acid (EBTAC) encapsulated zeolitic imidazolate framework-8 (ZIF-8@EBTAC) was designed to monitor ALP. Due to the aggregation-induced emission of EBTAC, the synthetic ZIF-8@EBTAC shows robust fluorescence. Once pyrophosphate (ppi) was added, its complexation with Zn2+ in ZIF-8 triggered the collapse of the ZIF-8 framework, releasing encapsulated EBTAC molecules and restoring to free state, leading to the dramatical decrease in fluorescence. ALP could catalyze the hydrolysis of ppi to phosphate (pi), which is difficult to bind to Zn2+ and has little effect on the fluorescence of ZIF-8@EBTAC. Therefore, with the assistance of the substrate ppi, the ultimate fluorescence of ZIF-8@EBTAC was positively related with ALP activity. The constructed biosensor was able to monitor the ALP activity well from 0.01 to 100 U L-1, and a detection limit of 0.01 U L-1 was achieved. Based on the ability of EBTAC serving as a fluorescent probe with aggregation-induced luminescence properties, this proposed design can be applied to diverse targets and provide new ideas for the establishment of fluorescent biosensors.
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Affiliation(s)
- Shanshan Liu
- Hubei Key Laboratory of Processing and Application of Catalytic Materials, College of Chemistry and Chemical Engineering, Huanggang Normal University, Huanggang 438000, P. R. China.
| | - Nian Wang
- Hubei Key Laboratory of Processing and Application of Catalytic Materials, College of Chemistry and Chemical Engineering, Huanggang Normal University, Huanggang 438000, P. R. China.
| | - Li Li
- Hubei Key Laboratory of Processing and Application of Catalytic Materials, College of Chemistry and Chemical Engineering, Huanggang Normal University, Huanggang 438000, P. R. China.
| | - Yi Liu
- School of Chemical and Environmental Engineering, Wuhan Polytechnic University, Wuhan 430023, P. R. China.
- Hubei Key Laboratory of Radiation Chemistry and Functional Materials, Hubei University of Science and Technology, Xianning 437100, P. R. China
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Zhao X, Wang Y, Huang C, Gao Y, Huang M, Ding Y, Wang X, Si Z, Zhou D, Kang F. Tetraphenylporphyrin-based Chelating Ligand Additive as a Molecular Sieving Interfacial Barrier toward Durable Aqueous Zinc Metal Batteries. Angew Chem Int Ed Engl 2023; 62:e202312193. [PMID: 37772347 DOI: 10.1002/anie.202312193] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2023] [Revised: 09/29/2023] [Accepted: 09/29/2023] [Indexed: 09/30/2023]
Abstract
The sustained water consumption and uncontrollable dendrite growth strongly hamper the practical applications of rechargeable zinc (Zn) metal batteries (ZMBs). Herein, for the first time, we demonstrate that trace amount of chelate ligand additive can serve as a "molecular sieve-like" interfacial barrier and achieve highly efficient Zn plating/stripping. As verified by theoretical modeling and experimental investigations, the benzenesulfonic acid groups on the additive molecular not only facilitates its water solubility and selective adsorption on the Zn anode, but also effectively accelerates the de-solvation kinetics of Zn2+ . Meanwhile, the central porphyrin ring on the chelate ligand effectively expels free water molecules from Zn2+ via chemical binding against hydrogen evolution, and reversibly releases the captured Zn2+ to endow a dendrite-free Zn deposition. By virtue of this non-consumable additive, high average Zn plating/stripping efficiency of 99.7 % over 2100 cycles together with extended lifespan and suppressed water decomposition in the Zn||MnO2 full battery were achieved, thus opening a new avenue for developing highly durable ZMBs.
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Affiliation(s)
- Xin Zhao
- Tsinghua Shenzhen International Graduate School, Tsinghua University, 518055, Shenzhen, Guangdong, China
| | - Yao Wang
- Tsinghua Shenzhen International Graduate School, Tsinghua University, 518055, Shenzhen, Guangdong, China
| | - Cong Huang
- College of Materials Science and Engineering Hunan Province Key Laboratory for Advanced Carbon Materials and Applied Technology, Hunan University, 410082, Changsha, Hunan, China
| | - Yifu Gao
- Tsinghua Shenzhen International Graduate School, Tsinghua University, 518055, Shenzhen, Guangdong, China
| | - Miaofei Huang
- Tsinghua Shenzhen International Graduate School, Tsinghua University, 518055, Shenzhen, Guangdong, China
| | - Yichen Ding
- Tsinghua Shenzhen International Graduate School, Tsinghua University, 518055, Shenzhen, Guangdong, China
| | - Xia Wang
- Max-Planck-Institute for Chemical Physics of Solids, Nöthnitzer Straße 40, 01187, Dresden, Germany
| | - Zhichun Si
- Tsinghua Shenzhen International Graduate School, Tsinghua University, 518055, Shenzhen, Guangdong, China
| | - Dong Zhou
- Tsinghua Shenzhen International Graduate School, Tsinghua University, 518055, Shenzhen, Guangdong, China
| | - Feiyu Kang
- Tsinghua Shenzhen International Graduate School, Tsinghua University, 518055, Shenzhen, Guangdong, China
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6
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Liu L, Chang Y, Lou J, Zhang S, Yi X. Overview on the Development of Alkaline-Phosphatase-Linked Optical Immunoassays. Molecules 2023; 28:6565. [PMID: 37764341 PMCID: PMC10536125 DOI: 10.3390/molecules28186565] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Revised: 09/05/2023] [Accepted: 09/07/2023] [Indexed: 09/29/2023] Open
Abstract
The drive to achieve ultrasensitive target detection with exceptional efficiency and accuracy requires the advancement of immunoassays. Optical immunoassays have demonstrated significant potential in clinical diagnosis, food safety, environmental protection, and other fields. Through the innovative and feasible combination of enzyme catalysis and optical immunoassays, notable progress has been made in enhancing analytical performances. Among the kinds of reporter enzymes, alkaline phosphatase (ALP) stands out due to its high catalytic activity, elevated turnover number, and broad substrate specificity, rendering it an excellent candidate for the development of various immunoassays. This review provides a systematic evaluation of the advancements in optical immunoassays by employing ALP as the signal label, encompassing fluorescence, colorimetry, chemiluminescence, and surface-enhanced Raman scattering. Particular emphasis is placed on the fundamental signal amplification strategies employed in ALP-linked immunoassays. Furthermore, this work briefly discusses the proposed solutions and challenges that need to be addressed to further enhance the performances of ALP-linked immunoassays.
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Affiliation(s)
- Lin Liu
- College of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China
| | - Yong Chang
- College of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China
| | - Jiaxin Lou
- College of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China
| | - Shuo Zhang
- College of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China
| | - Xinyao Yi
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China
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7
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Ultrarapid Microwave-Assisted Synthesis of Fluorescent Silver Coordination Polymer Nanoparticles and Its Application in Detecting Alkaline Phosphatase Activity. Molecules 2023; 28:molecules28041892. [PMID: 36838879 PMCID: PMC9965027 DOI: 10.3390/molecules28041892] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 02/07/2023] [Accepted: 02/15/2023] [Indexed: 02/19/2023] Open
Abstract
Fluorescent silver coordination polymer nanoparticles (Ag-TPA CPNs) were synthesized using a combination of terephthalic acid (TPA) and silver nitrate via an ultrarapid microwave-assisted strategy within 15 min. The Ag-TPA CPNs displayed a high fluorescent quantum yield (QY = 20.19%) and large Stokes shift (~200 nm), with two emission peaks at 490 nm and 520 nm under an excitation wavelength of 320 nm. A fluorescent "turn-off" method using fluorescent Ag-TPA CPNs was applied to detect the alkaline phosphatase (ALP) activity on the basis of the ALP-catalyzed hydrolysis of ascorbic acid 2-phosphate (AA2P) to ascorbic acid (AA), and the AA product triggered the reduction of Ag+ ions into silver nanoparticles. The fluorescent lifetime of Ag-TPA CPNs decreased from 3.93 ms to 3.80 ms after the addition of ALP, which suggests that this fluorescent "turn-off" detection of ALP activity is a dynamic quenching process. The fluorescent intensity had a linear relationship with the concentration of ALP in the range of 0.2-12 mU/mL (r = 0.991) and with a limit of detection (LOD) of 0.07 mU/mL. It showed high selectivity in ALP detection towards metal ions and amino acids, as well as other enzymes such as horseradish peroxidase, glucose oxidase, tyrosinase, trypsin, lysozyme, and superoxides. When it was applied for the fluorescent "turn-off" detection of ALP activity in serum samples, mean recovery levels ranging from 99.5% to 101.2% were obtained, with relative standard deviations (RSDs) lower than 4% accuracy. Therefore, it is an efficient and accurate tool for analyzing ALP levels in biosamples.
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8
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Nasidi I, Kaygili O, Majid A, Bulut N, Alkhedher M, ElDin SM. Halogen Doping to Control the Band Gap of Ascorbic Acid: A Theoretical Study. ACS OMEGA 2022; 7:44390-44397. [PMID: 36506119 PMCID: PMC9730502 DOI: 10.1021/acsomega.2c06075] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Accepted: 11/10/2022] [Indexed: 06/17/2023]
Abstract
Ascorbic acid is an important antioxidant agent that acts as an electron donor and is involved in many physiological processes. Structural modification in ascorbic acid is a subject of extensive biochemical research due to its involvement in a variety of relevant phenomena including electron transport, complex redox reactions, neurochemical reactions, enzymatic reactions, and chemotherapeutic potential. In this work, the structure of ascorbic acid is modified via doping with the first three members of the halogen group to investigate the changes in the electronic structure and spectroscopic parameters using first-principles methods. To obtain the lowest-energy structures, different basis sets in density functional theory (DFT) and Hartree-Fock approaches were employed in the geometry optimization process. The potential energy maps of the structures were computed to study the molecular orientations and their optical and electrical properties. The spectroscopic properties were computed via UV-vis and nuclear magnetic resonance (NMR) spectroscopies to study the effects of doping into the compound. To obtain further insights into the chemical structure, the Fourier transform infrared (FT-IR) spectra of the materials were theoretically investigated. It was found that the band gap is sensitive to doping as we moved from fluorine to chlorine and then to bromine.
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Affiliation(s)
- Ibrahim
Isah Nasidi
- Department
of Physics, Faculty of Science, Firat University, 23119 Elazig, Turkey
| | - Omer Kaygili
- Department
of Physics, Faculty of Science, Firat University, 23119 Elazig, Turkey
| | - Abdul Majid
- Department
of Physics, University of Gujrat, Gujrat 50700, Pakistan
| | - Niyazi Bulut
- Department
of Physics, Faculty of Science, Firat University, 23119 Elazig, Turkey
| | - Mohammad Alkhedher
- Mechanical
and Industrial Engineering Department, Abu
Dhabi University, Abu Dhabi 111188, United
Arab Emirates
| | - Sayed M. ElDin
- Center
of Research, Faculty of Engineering & Technology, Future University in Egypt, New Cairo 11835, Egypt
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Liu ZA, Zuo YN, Xia Y, Sun J, Zhu S. Enhanced detection of ascorbic acid with cascaded fluorescence recovery of a dual-nanoquencher system. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2022; 14:3632-3637. [PMID: 36052693 DOI: 10.1039/d2ay01019d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
An innovative strategy with target-triggered cascade fluorescence recovery of a dual-nanoquencher system was developed to detect ascorbic acid (AA). Herein, manganese dioxide (MnO2) nanosheets and gold nanoparticles (AuNPs) were used as nanoquenchers simultaneously. Owing to their synergistic effects, the fluorescence of 2,3-diaminophenazine (DAP) was decreased efficiently, thus minimizing the background fluorescence. The introduction of AA triggered the decomposition of MnO2 into Mn2+, which induced the aggregation of AuNPs. Both the decomposed MnO2 and aggregated AuNPs possess weak quenching abilities towards DAP. Such a cascade amplification strategy enhanced the detection sensitivity for AA with a LOD as low as 6.7 nM, which was two orders of magnitude lower than that of MnO2-based fluorescence assay. Furthermore, this amplification strategy was successfully applied to detect AA in food samples.
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Affiliation(s)
- Zhi-Ang Liu
- TEM Laboratory, Experimental Teaching and Equipment Management Center, Qufu Normal University, Qufu City, 273165, Shandong, China
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu City, 273165, Shandong, China.
| | - Ya-Nan Zuo
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu City, 273165, Shandong, China.
| | - Yinghui Xia
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu City, 273165, Shandong, China.
| | - Jing Sun
- Qinghai Key Laboratory of Qinghai-Tibet Plateau Biological Resources, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining City, 810001, Qinghai, China
| | - Shuyun Zhu
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu City, 273165, Shandong, China.
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Qin L, Ren X, Hu K, Wu D, Guo Z, Wang S, Jiang L, Hu Y. Supramolecular host-guest interaction-driven electrochemical recognition for pyrophosphate and alkaline phosphatase analysis. Chembiochem 2022; 23:e202200413. [PMID: 35997506 DOI: 10.1002/cbic.202200413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 08/20/2022] [Indexed: 11/10/2022]
Abstract
Herein, we report an electrochemical biosensor based on the supramolecular host-guest recognition between cucurbit[7]uril (CB[7]) and L -Phenylalanine-Cu(II) Complex for pyrophosphate (PPi) and alkaline phosphatase (ALP) analysis. First, L -Phe-Cu(II) Complex is simply synthesized by the complexation of Cu(II) (metal node) with L -Phe (bioorganic ligand), which can be immobilized onto CB[7] modified electrode via host-guest interaction of CB[7] and L -Phe. In this process, the signal of the Complex triggered electro-catalytic reduction of H 2 O 2 can be captured. Next, in the view of strong chelation between PPi and Cu(II), a biosensing system of the model "PPi and Cu(II) premixing, then adding L -Phe" is designed and the platform can be applied for PPi analysis well by hampering the formation of L -Phe-Cu(II) Complex. Along with ALP introduction, PPi can be hydrolyzed into orthophosphate (Pi), where abundant Cu(II) ions are released to form L -Phe-Cu(II) Complex, which gives rise to the catalytic reaction of Complex to H 2 O 2 reduction. The quantitative analysis of H 2 O 2 , PPi and ALP activity is achieved successfully and the detection of limits are 0.067 μM, 0.42 μM and 0.09 mU/mL ( S / N =3), respectively. With the merits of high sensitivity and selectivity, cost-effectiveness, and simplification, our developed analytical system has great potential to act on diagnosis and treatment of ALP-related diseases.
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Affiliation(s)
| | | | | | - Di Wu
- Ningbo College of Health Sciences, Chemistry, CHINA
| | | | - Sui Wang
- Ningbo University, Chemistry, CHINA
| | | | - Yufang Hu
- Ningbo University, Chemistry, 818 Fenghua Road,Jiangbei,Ningbo,Zhejiang, 315211, Ningbo, CHINA
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Xu R, Xu K, Du Y, Li J, Ren X, Ma H, Wu D, Li Y, Wei Q. Dual Direct Z-Scheme Heterojunction with Growing Photoactive Property for Sensitive Photoelectrochemical and Colorimetric Bioanalysis. Anal Chem 2022; 94:9888-9893. [PMID: 35762977 DOI: 10.1021/acs.analchem.2c01874] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
A dual direct Z-scheme heterojunction photoactive material of CoTiO3/g-C3N4/Bi2O3 was designed based on calcination and in situ illumination-assisted process for sensitivity bioproteins detection which combined with MnO2 nanoflowers to achieve signal quenching strategy. The complex consists of two direct Z-scheme heterojunctions of g-C3N4 and two photoactive materials CoTiO3 and Bi2O3. This great structure could augment the migration of photogenerated electrons obviously, which boost the photocurrent greatly and prefer the photoelectric application of perovskite oxide. To improve sensitivity, the nanoflower like MnO2 with oxidation performance is introduced into the system and used as a label fixed on secondary antibody to oxidize electron donor (AA) to achieve an enlarged signal quenching value. Interestingly, MnO2 also showed an effective oxidation activity for TMB oxidation, leading to a chromogenic reaction. With the change of antigen concentration, the color of the test electrolyte also changes. Herein, the designed smart photoelectrochemical sensor shows a wide detection range (neuron specific enolase as an example) from 0.00005 to 200 ng/mL with a detection limit as low as 28 fg/mL. And the colorimetric assay for target detection owns a liner range from 0.1 to 20 ng/mL accompany with a detection limit of 0.05 ng/mL. These two designed sensing modes offer a new strategy for signal amplification of perovskite oxide and the possibility of real-time detection.
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Affiliation(s)
- Rui Xu
- Collaborative Innovation Center for Green Chemical Manufacturing and Accurate Detection; Key Laboratory of Interfacial Reaction & Sensing Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, P. R. China
| | - Kun Xu
- Collaborative Innovation Center for Green Chemical Manufacturing and Accurate Detection; Key Laboratory of Interfacial Reaction & Sensing Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, P. R. China
| | - Yu Du
- Collaborative Innovation Center for Green Chemical Manufacturing and Accurate Detection; Key Laboratory of Interfacial Reaction & Sensing Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, P. R. China
| | - Jingshuai Li
- Collaborative Innovation Center for Green Chemical Manufacturing and Accurate Detection; Key Laboratory of Interfacial Reaction & Sensing Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, P. R. China
| | - Xiang Ren
- Collaborative Innovation Center for Green Chemical Manufacturing and Accurate Detection; Key Laboratory of Interfacial Reaction & Sensing Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, P. R. China
| | - Hongmin Ma
- Collaborative Innovation Center for Green Chemical Manufacturing and Accurate Detection; Key Laboratory of Interfacial Reaction & Sensing Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, P. R. China
| | - Dan Wu
- Collaborative Innovation Center for Green Chemical Manufacturing and Accurate Detection; Key Laboratory of Interfacial Reaction & Sensing Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, P. R. China
| | - Yuyang Li
- Collaborative Innovation Center for Green Chemical Manufacturing and Accurate Detection; Key Laboratory of Interfacial Reaction & Sensing Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, P. R. China
| | - Qin Wei
- Collaborative Innovation Center for Green Chemical Manufacturing and Accurate Detection; Key Laboratory of Interfacial Reaction & Sensing Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, P. R. China
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Joshi DJ, Koduru JR, Malek NI, Hussain CM, Kailasa SK. Surface modifications and analytical applications of graphene oxide: A review. Trends Analyt Chem 2021. [DOI: 10.1016/j.trac.2021.116448] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Zhang Z, Long D, Yang M, Chang X, Xian H, Chen J, Peng H, Peng J. A ratiometric fluorescence sensor for ascorbic acid determination based on an AND-NAND logic pair. Mikrochim Acta 2021; 188:376. [PMID: 34637002 DOI: 10.1007/s00604-021-05043-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2021] [Accepted: 09/28/2021] [Indexed: 11/28/2022]
Abstract
An AND-NAND logic pair is reported based on non-purified carbon quantum dots (CDs) for ascorbic acid (AA) detection. In the logic operation, molybdenum oxide nanosheets (MoO3 NSs) and AA are used as two signal inputs. In the presence of AA, MoO3 NSs are reduced to plasmonic molybdenum oxide, which decreases the CD fluorescence intensity because of a static quenching, dynamic quenching, and internal filtration effect. Meanwhile, the AA is oxidized to dehydroascorbic acid and forms fluorescent 3-(dihydroxyethyl) furo [3,4-b] quinoxaline-1-one with o-phenylenediamine from non-purified CDs. On this basis, an AND-NAND logic pair was constructed and used as a ratiometric fluorescence sensor for highly sensitive detection of AA. The method has a wide linear range of 0.05-50 μM, and a detection limit of 34 nM. In addition, it was used to detect AA in fresh fruit. Potential applications include chemical computing, optoelectronic devices, biomedical science, and environmental monitoring. HIGHLIGHTS: 1. A ratiometric fluorescence sensor based on AND-NAND logic pair constructed by CDs and MoO3 NSs was successfully fabricated. 2. The ratiometric fluorescence sensor exhibited satisfactory linear range, high sensitivity, and good selectivity for AA. 3. The ratiometric fluorescence method was able to detect AA in fresh fruit with good results comparable to official fluorescence methods.
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Affiliation(s)
- Zilong Zhang
- School of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400700, China
| | - Dengying Long
- School of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400700, China
| | - Mei Yang
- Department of Laboratory Medicine, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Xiaojuan Chang
- Chongqing Municipal Environmental Sanitation Monitoring Center, Chongqing, 401121, China
| | - Hong Xian
- School of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400700, China
| | - Jun Chen
- School of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400700, China
| | - Huanjun Peng
- School of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400700, China
| | - Jingdong Peng
- School of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400700, China.
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