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Karami S, Shamsipur M, Barati A, Mohammadi S, Abedi Kichi Z. Reductive carbon dots for reduction, ratiometric fluorescence determination, and intracellular imaging of Au 3. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 321:124724. [PMID: 38941755 DOI: 10.1016/j.saa.2024.124724] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2024] [Revised: 06/01/2024] [Accepted: 06/24/2024] [Indexed: 06/30/2024]
Abstract
Many studies show that ortho-phenylenediamine (OPD) produces an oxidized fluorescent product when exposed to an oxidizing agent that enables the direct or indirect fluorescence detection of a range chemical and biochemical analytes. However, there is no report on this unique optical behavior for other two isomers of phenylenediamine. This study demonstrates that a simple hydrothermal treatment of para-phenylenediamine (PPD) in the presence of sulfuric acid results in the formation of fluorescent N, S-doped carbon dots (CDs) with triple functionalities including the reduction of Au3+ into gold nanoparticles (AuNPs), the stabilization of the produced AuNPs, and the determination of Au3+ concentration through an intrinsic ratiometric fluorescence signal. In the presence of Au3+, the blue emission of CDs at 437 nm quenched, and a green emission at 540 nm emerged. The linear concentration range for the determination of Au3+ was 20 nM-16 µM with a detection limit of 16 nM. Additionally, the dual emissive CDs-AuNPs hybrid probe showed potential for the indirect fluorescence ratiometric determination of cysteine and sulfide ions. The linear concentration range for cysteine and sulfide ions were 0.25-8 μM and 0.1-6 μΜ, with detection limits of 0.095 μM and 0.041 μM, respectively. Accordingly, CDs were applied to detect Au3+ and S2- in real water samples. Moreover, the synthesized CDs showed no cytotoxicity for HeLa cells up to 300 µg mL-1, as determined by the MTT assay. Therefore, their potential for intracellular imaging of Au3+ in living cells was also investigated.
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Affiliation(s)
- Sara Karami
- Department of Chemistry, Razi University, Kermanshah, Iran
| | | | - Ali Barati
- Department of Chemistry, Razi University, Kermanshah, Iran.
| | - Soheila Mohammadi
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Zahra Abedi Kichi
- Department of Genetics, Faculty of Biological Science, Tarbiat Modares University, Tehran, Iran; Institute for Cardiovascular Prevention (IPEK), Ludwig-Maximillians University, 80336 Munich, Germany
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2
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Cheng Z, He G, Liao R, Tan Y, Deng W. A sensitive immunosensing platform based on the high cathodic photoelectrochemical activity of Zr-MOF and dual-signal amplification of peroxidase-mimetic Fe-MOF. Bioelectrochemistry 2024; 157:108677. [PMID: 38430576 DOI: 10.1016/j.bioelechem.2024.108677] [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: 01/27/2024] [Revised: 02/20/2024] [Accepted: 02/27/2024] [Indexed: 03/04/2024]
Abstract
Cathodic photoelectrochemical (PEC) analysis has received special concerns because of its outstanding anti-interference capability toward reductive substances in samples, so it is highly desirable to develop high-performance photocathodic materials for PEC analysis. Herein, a Zr-based metal-organic framework (Zr-MOF), MOF-525, is explored as a photoactive material in aqueous solution for the first time, which shows a narrow band-gap of 1.82 eV, excellent visible-light absorption, and high cathodic PEC activity. A sandwiched-type PEC immunosensor for detecting prostate-specific antigen (PSA) is fabricated by using MIL-101-NH2(Fe) label and MOF-525 photoactive material. MIL-101-NH2(Fe) as a typical Fe-MOF can serve as a peroxidase mimic to catalyze the production of precipitates on the photoelectrode. Both the produced precipitates and the MIL-101-NH2(Fe) labels can quench the photocathodic current, enabling "signal-off" immunosensing of PSA. The detection limit is 3 fg mL-1, and the linear range is between 10 fg mL-1 and 100 ng mL-1 for detecting PSA. The present study not only develops a high-performance Zr-MOF photoactive material for cathodic PEC analysis but also constructs a sensitive PEC immunosensing platform based on the dual-signal amplification of peroxidase-mimetic Fe-MOF.
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Affiliation(s)
- Zhong Cheng
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education of China), College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
| | - Guihua He
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education of China), College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
| | - Rong Liao
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education of China), College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
| | - Yueming Tan
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education of China), College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China.
| | - Wenfang Deng
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education of China), College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China; Institute of Interdisciplinary Studies, Hunan Normal University, Changsha 410081, China.
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3
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Manoharan D, Wang LC, Chen YC, Li WP, Yeh CS. Catalytic Nanoparticles in Biomedical Applications: Exploiting Advanced Nanozymes for Therapeutics and Diagnostics. Adv Healthc Mater 2024:e2400746. [PMID: 38683107 DOI: 10.1002/adhm.202400746] [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: 02/26/2024] [Revised: 04/17/2024] [Indexed: 05/01/2024]
Abstract
Catalytic nanoparticles (CNPs) as heterogeneous catalyst reveals superior activity due to their physio-chemical features, such as high surface-to-volume ratio and unique optical, electric, and magnetic properties. The CNPs, based on their physio-chemical nature, can either increase the reactive oxygen species (ROS) level for tumor and antibacterial therapy or eliminate the ROS for cytoprotection, anti-inflammation, and anti-aging. In addition, the catalytic activity of nanozymes can specifically trigger a specific reaction accompanied by the optical feature change, presenting the feasibility of biosensor and bioimaging applications. Undoubtedly, CNPs play a pivotal role in pushing the evolution of technologies in medical and clinical fields, and advanced strategies and nanomaterials rely on the input of chemical experts to develop. Herein, a systematic and comprehensive review of the challenges and recent development of CNPs for biomedical applications is presented from the viewpoint of advanced nanomaterial with unique catalytic activity and additional functions. Furthermore, the biosafety issue of applying biodegradable and non-biodegradable nanozymes and future perspectives are critically discussed to guide a promising direction in developing span-new nanozymes and more intelligent strategies for overcoming the current clinical limitations.
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Affiliation(s)
- Divinah Manoharan
- Department of Chemistry, National Cheng Kung University, Tainan, 701, Taiwan
- Interdisciplinary Research Center on Material and Medicinal Chemistry, National Cheng Kung University, Tainan, 701, Taiwan
| | - Liu-Chun Wang
- Department of Chemistry, National Cheng Kung University, Tainan, 701, Taiwan
- Center of Applied Nanomedicine, National Cheng Kung University, Tainan, 701, Taiwan
| | - Ying-Chi Chen
- Department of Chemistry, National Cheng Kung University, Tainan, 701, Taiwan
| | - Wei-Peng Li
- Center of Applied Nanomedicine, National Cheng Kung University, Tainan, 701, Taiwan
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, Kaohsiung, 807, Taiwan
- Drug Development and Value Creation Research Center, Kaohsiung Medical University, Kaohsiung, 807, Taiwan
| | - Chen-Sheng Yeh
- Department of Chemistry, National Cheng Kung University, Tainan, 701, Taiwan
- Interdisciplinary Research Center on Material and Medicinal Chemistry, National Cheng Kung University, Tainan, 701, Taiwan
- Center of Applied Nanomedicine, National Cheng Kung University, Tainan, 701, Taiwan
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Han J, Zhang Y, Lv X, Fan D, Dong S. A facile, low-cost bimetallic iron-nickel MOF nanozyme-propelled ratiometric fluorescent sensor for highly sensitive and selective uric acid detection and its smartphone application. NANOSCALE 2024; 16:1394-1405. [PMID: 38165141 DOI: 10.1039/d3nr05028a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/03/2024]
Abstract
As a kind of well-known disease biomarker, uric acid (UA) is closely associated with normal metabolism and health. Despite versatile nanozymes facilitating the analysis of UA, most previous works could only generate single-signal outputs with unsatisfactory detection performance. Exploring a novel ratiometric fluorescent UA sensor with high sensitivity, reliability and portable sensing ability based on facile, low-cost nanozymes is still challenging. Herein, we report the first metal-organic-framework (MOF) nanozyme-originated ratiometric fluorescent UA sensor based on Fe3Ni-MOF-NH2 propelled UA/uricase/o-phenylenediamine tandem catalytic reaction. Different from previous reports, the peroxidase-like property and fluorescence of Fe3Ni-MOF-NH2 were simultaneously employed. In the absence of UA, only the MOF's fluorescence at 430 nm (FI430) can be observed, while the addition of UA will initiate UA/uricase catalytic reaction, and the generated H2O2 could oxidize o-phenylenediamine into highly fluorescent 2,3-diaminophenazine (DAP) (emission at 565 nm, FI565) under the catalysis of the MOF nanozyme. Coincidently, MOF's fluorescence can be quenched by DAP via the inner filter effect, resulting in a low FI430 value and high FI565 value, respectively. Therefore, H2O2 and UA can be alternatively detected through monitoring the above contrary fluorescence changes. The limit of detection for UA is 24 nM, which is much lower than those in most previous works, and the lowest among nanozyme-based ratiometric fluorescent UA sensors reported to date. Moreover, the portable sensing of UA via smartphone-based RGB analysis was facilely achieved by virtue of the above nanozyme-propelled tandem catalytic system, and MOF nanozyme-based molecular contrary logic pairs were further implemented accordingly.
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Affiliation(s)
- Jiawen Han
- Laboratory for Marine Drugs and Bioproducts, National Laboratory for Marine Science and Technology; Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, Shandong, 266003, China.
| | - Yuwei Zhang
- Laboratory for Marine Drugs and Bioproducts, National Laboratory for Marine Science and Technology; Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, Shandong, 266003, China.
| | - Xujuan Lv
- Laboratory for Marine Drugs and Bioproducts, National Laboratory for Marine Science and Technology; Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, Shandong, 266003, China.
| | - Daoqing Fan
- Laboratory for Marine Drugs and Bioproducts, National Laboratory for Marine Science and Technology; Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, Shandong, 266003, China.
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, China
| | - Shaojun Dong
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, China
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Chakraborty S, Kolay S, Maity S, Patra A. Copper Nanoclusters as Multienzymes Mimic Activities of Oxidase and Ascorbic Acid Oxidase in the Presence of Imidazole. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:317-324. [PMID: 38103254 DOI: 10.1021/acs.langmuir.3c02570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2023]
Abstract
Artificial nanoenzymes based on metal nanoclusters have received great attention for multienzyme activities nowadays. In this work, pepsin-capped copper NCs (Cu-Pep NCs) are used as oxidase, ascorbic acid oxidase (AAO), and peroxidase mimics, and their activities are enhanced by the introduction of imidazole. The oxidase activity increased almost 7.5-fold, while 5-fold and 2-fold increases were observed for the peroxidase and AAO-like activity, respectively. The enhanced radical formation in the presence of imidazole moieties facilitates the enzymatic activity of the Cu-Pep-NCs/Imid system. This work describes the different enzymatic activities of the NCs, paving a new way for artificial nanoenzymes having enhanced activities.
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Affiliation(s)
- Sikta Chakraborty
- School of Materials Sciences, Indian Association for the Cultivation of Science, Kolkata 700032, India
| | - Sarita Kolay
- School of Materials Sciences, Indian Association for the Cultivation of Science, Kolkata 700032, India
| | - Subarna Maity
- School of Materials Sciences, Indian Association for the Cultivation of Science, Kolkata 700032, India
| | - Amitava Patra
- School of Materials Sciences, Indian Association for the Cultivation of Science, Kolkata 700032, India
- Institute of Nano Science and Technology, Knowledge City, Sector 81, Mohali 140306, India
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Li T, Deng Y, Xing Z, Xiao S, Mu S, Wang T, Gao Y, Ma L, Cheng C, Zhao C. Amorphization-Modulated Metal Sulfides with Boosted Active Sites and Kinetics for Efficient Enzymatic Colorimetric Biodetection. SMALL METHODS 2023:e2300011. [PMID: 37147780 DOI: 10.1002/smtd.202300011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 03/22/2023] [Indexed: 05/07/2023]
Abstract
Colorimetric biosensing has become a popular sensing method for the portable detection of a variety of biomarkers. Artificial biocatalysts can replace traditional natural enzymes in the fields of enzymatic colorimetric biodetection; however, the exploration of new biocatalysts with efficient, stable, and specific biosensing reactions has remained challenging so far. Here, to enhance the active sites and overcome the sluggish kinetics of metal sulfides, the creation of an amorphous RuS2 (a-RuS2 ) biocatalytic system is reported, which can dramatically boost the peroxidase-mimetic activity of RuS2 for the enzymatic detection of diverse biomolecules. Due to the existence of abundant accessible active sites and mildly surface oxidation, the a-RuS2 biocatalyst displays a twofold Vmax value and much higher reaction kinetics/turnover number (1.63 × 10-2 s-1 ) compared to that of the crystallized RuS2 . Noticeably, the a-RuS2 -based biosensor shows an extremely low detection limit of H2 O2 (3.25 × 10-6 m), l-cysteine (3.39 × 10-6 m), and glucose (9.84 × 10-6 m), respectively, thus showing superior detection sensitivity to many currently reported peroxidase-mimetic nanomaterials. This work offers a new path to create highly sensitive and specific colorimetric biosensors in detecting biomolecules and also provides valuable insights for engineering robust enzyme-like biocatalysts via amorphization-modulated design.
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Affiliation(s)
- Tiantian Li
- College of Polymer Science and Engineering, Med-X Center for Materials, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, China
| | - Yuting Deng
- College of Polymer Science and Engineering, Med-X Center for Materials, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, China
| | - Zhenyu Xing
- College of Polymer Science and Engineering, Med-X Center for Materials, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, China
| | - Sutong Xiao
- College of Polymer Science and Engineering, Med-X Center for Materials, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, China
| | - Shengdong Mu
- College of Polymer Science and Engineering, Med-X Center for Materials, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, China
| | - Ting Wang
- College of Polymer Science and Engineering, Med-X Center for Materials, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, China
| | - Yang Gao
- College of Polymer Science and Engineering, Med-X Center for Materials, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, China
- Department of Ultrasound, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Lang Ma
- Department of Ultrasound, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Chong Cheng
- College of Polymer Science and Engineering, Med-X Center for Materials, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, China
| | - Changsheng Zhao
- College of Polymer Science and Engineering, Med-X Center for Materials, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, China
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Zhang X, Sun C, Li R, Jin X, Wu Y, Fu F. Dual-Loading of Fe 3O 4 and Pd Nanoparticles on g-C 3N 4 Nanosheets Toward a Magnetic Nanoplatform with Enhanced Peroxidase-like Activity for Loading Various Enzymes for Visual Detection of Small Molecules. Anal Chem 2023; 95:5024-5033. [PMID: 36942461 DOI: 10.1021/acs.analchem.2c05503] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/23/2023]
Abstract
Enzyme mimics now play a significant role in biochemistry. Especially, peroxidase mimics have been widely used for developing colorimetric sensors of blood glucose. The peroxidase mimics previously reported could not be recycled for reusing and may generate scattering to cause unwanted optical interference when it was used for fabricating colorimetric sensors. We herein prepared a broad-applicable and reusable magnetic enzyme-loading nanoplatform with enhanced peroxidase-like activity by simultaneously loading Fe3O4 nanoparticles (Fe3O4NPs) and palladium nanoparticles (PdNPs) on graphitic carbon nitride (g-C3N4) nanosheets (Fe3O4NPs/PdNPs/g-C3N4). The prepared Fe3O4NPs/PdNPs/g-C3N4 possesses stable and enhanced peroxidase-like activity and good enzyme-loading capacity and can be used to load various natural enzymes to form highly-efficient and stable double-active nanozyme for fabricating colorimetric sensors for the visual detection of small molecules. Especially, the magnetic feature facilitates the magnetic separation of Fe3O4NPs/PdNPs/g-C3N4 from sample solution, which is in favor of recycling and eliminating the optical interference caused by nanozyme in colorimetric sensors. The prepared Fe3O4NPs/PdNPs/g-C3N4 has been successfully used to load glucose oxidase (GOx) and cholesterol oxidase (Chox) to form magnetic peroxidase-GOx and peroxidase-Chox double-active nanozymes, which can be used to fabricate colorimetric methods for the detection of glucose and cholesterol, respectively, with a visual detection limit of 15 μM and a spectrometry detection limit of 1.0 μM. With the developed glucose and cholesterol detection methods, we have successfully detected glucose and cholesterol in serum with a recovery of 98-104% and a RSD (n = 5) < 5%. With high peroxidase-like activity, good stability, reusable features, and broad applicability of loading enzyme, the developed magnetic Fe3O4NPs/PdNPs/g-C3N4 provided a promising approach for fabricating cost-effective, sensitive, and simple colorimetric sensors for the visual detection of various small molecules.
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Affiliation(s)
- Xu Zhang
- Key Laboratory for Analytical Science of Food Safety and Biology of MOE, Fujian Provincial Key Lab of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350116, China
| | - Chaochen Sun
- Key Laboratory for Analytical Science of Food Safety and Biology of MOE, Fujian Provincial Key Lab of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350116, China
| | - Ruiling Li
- Key Laboratory for Analytical Science of Food Safety and Biology of MOE, Fujian Provincial Key Lab of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350116, China
| | - Xin Jin
- Key Laboratory for Analytical Science of Food Safety and Biology of MOE, Fujian Provincial Key Lab of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350116, China
| | - Yongning Wu
- NHC Key Lab of Food Safety Risk Assessment, Food Safety Research Unit (2019RU014) of China Academy of Medical Science, China National Center for Food Safety Risk Assessment, Beijing 100021, China
| | - FengFu Fu
- Key Laboratory for Analytical Science of Food Safety and Biology of MOE, Fujian Provincial Key Lab of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350116, China
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A dual-mode ratiometric fluorescence and smartphone-assisted colorimetric sensing platform based on bifunctional Fe,Co-CQD for glucose analysis at physiological pH. Anal Chim Acta 2023; 1239:340701. [PMID: 36628711 DOI: 10.1016/j.aca.2022.340701] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Revised: 12/01/2022] [Accepted: 12/02/2022] [Indexed: 12/05/2022]
Abstract
Diabetes is a common and fatal chronic metabolic disease characterized by hyperglycemia, and thus monitoring blood glucose level is essential for early screening and timely control of disease. Herein, we have prepared the bifunctional iron and cobalt co-doped carbon quantum dot (Fe,Co-CQD) with good optical properties and peroxidase-mimetic catalytic activity toward specific substrate o-phenylenediamine (OPD) under alkaline condition. Glucose oxidase (GOx) specifically catalyzes the oxidation of glucose into H2O2, and Fe,Co-CQD subsequently triggers a reaction between H2O2 and OPD to form yellow product DAP with a distinct UV absorption peak at 420 nm. Simultaneously, the generated DAP also appears a well-defined fluorescence signal at 555 nm, which can suppress the intrinsic fluorescence peak of Fe,Co-CQD (439 nm) owing to the inner filter effect (IFE). Based on this principle, a dual-mode ratiometric fluorescence and colorimetric sensing platform has been constructed for glucose analysis at physiological pH, which reveals the advantages of excellent accuracy, high throughput, simple operation, and low cost. More importantly, a smartphone-assisted colorimetric sensing system based on a portable visual detection kit and a 3D printing smartphone-based device has been constructed, which enables on-site detection of glucose in complex serum samples without laboratory instruments, indicating its potential practical application prospect.
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Li Y, Gu X, Zhao J, Xi F. Fabrication of a Ratiometric Fluorescence Sensor Based on Carbon Dots as Both Luminophores and Nanozymes for the Sensitive Detection of Hydrogen Peroxide. Molecules 2022; 27:7379. [PMID: 36364206 PMCID: PMC9656130 DOI: 10.3390/molecules27217379] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 10/24/2022] [Accepted: 10/27/2022] [Indexed: 09/29/2023] Open
Abstract
The construction of novel fluorescent nanozymes is highly desirable for providing new strategies for nanozyme-based sensing systems. Herein, a novel ratiometric fluorescence sensing platform was constructed based on carbon dots (CDs) as both luminophores and nanozymes, which could realize the sensitive detection of hydrogen peroxide (H2O2). CDs with peroxidase-mimicking activity were prepared with a one-step hydrothermal method using L-histidine as an inexpensive precursor. CDs had bright blue fluorescence. Due to the pseudo-peroxidase activity, CDs catalyzed the oxidation of o-phenylenediamine (OPD) with H2O2 to generate 2,3-diaminophenolazine (DAP). The fluorescence resonance energy transfer (FRET) between CDs and DAP resulted in a decrease in the fluorescence of CDs and an increase in the fluorescence of DAP, leading to a ratiometric fluorescence system. The free radical trapping experiment was used to investigate the reactive oxygen radicals (ROS) in the catalytic process of CD nanozymes. The enzymatic parameters of CD nanozymes, including the Michaelis constant (Km) and the maximum initial reaction velocities (Vmax), were investigated. A good affinity for both OPD and H2O2 substrates was proven. Based on the FRET between CDs and OPD, a ratiometric fluorescence analysis of H2O2 was achieved and results ranged from 1 to 20 μM and 20 to 200 μM with a low limit of detection (LOD, 0.42 μM). The detection of H2O2 in milk was also achieved.
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Affiliation(s)
- Yutong Li
- Department of Chemistry, Key Laboratory of Surface & Interface Science of Polymer Materials of Zhejiang Province, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Xinhui Gu
- Department of Chemistry, Key Laboratory of Surface & Interface Science of Polymer Materials of Zhejiang Province, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Jiayin Zhao
- Textile Industrial Products Testing Center of Nanjing Customs District, Wuxi 210001, China
| | - Fengna Xi
- Department of Chemistry, Key Laboratory of Surface & Interface Science of Polymer Materials of Zhejiang Province, Zhejiang Sci-Tech University, Hangzhou 310018, China
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Chen Y, Gao X, Xue H, Liu G, Zhou Y, Peng J. One-Pot Preparation of Imidazole-Ring-Modified Graphitic Carbon Nitride Nanozymes for Colorimetric Glucose Detection. BIOSENSORS 2022; 12:930. [PMID: 36354439 PMCID: PMC9688121 DOI: 10.3390/bios12110930] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 10/08/2022] [Accepted: 10/24/2022] [Indexed: 06/16/2023]
Abstract
Nanozymes are highly desired to overcome the shortcomings of natural enzymes, such as low stability, high cost and difficult storage during biosensing applications. Herein, by imitating the structure of natural enzymes, we propose a one-pot annealing process to synthesis imidazole-ring-modified graphitic carbon nitride (g-C3N4-Im) with enhanced peroxidase-like activity. g-C3N4-Im shows enhanced peroxidase-like activity by 46.5 times compared to unmodified g-C3N4. Furthermore, imidazole rings of g-C3N4-Im make it possible to anchor Cu(II) active sites on it to produce g-C3N4-Im-Cu, which shows a further increase in peroxidase-like activity by three times. It should be noted that the as-prepared g-C3N4-Im-Cu could show obvious peroxidase-like activity over a broad range of pH values and at a low temperature (5 °C). The ultrahigh peroxidase-like activity is attributed to the electronic effect of imidazole rings and the active sites of Cu(II) for ·OH production. Based on the enhanced peroxidase-like activity, a H2O2 and glucose biosensor was developed with a high sensitivity (limit of detection, 10 nM) and selectivity. Therefore, the biosensor shows potential for applications in diabetic diagnoses in clinical practice.
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Affiliation(s)
- Yuanyuan Chen
- Department of Pharmacology, Medical College, Wuhan University of Science and Technology, Wuhan 430022, China
| | - Xueyou Gao
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Biomedical Materials and Engineering Research Center of Hubei Province, Wuhan University of Technology, Wuhan 430070, China
| | - Hang Xue
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Guohui Liu
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Yue Zhou
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Biomedical Materials and Engineering Research Center of Hubei Province, Wuhan University of Technology, Wuhan 430070, China
| | - Jian Peng
- Department of Pharmacology, Medical College, Wuhan University of Science and Technology, Wuhan 430022, China
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Biomedical Materials and Engineering Research Center of Hubei Province, Wuhan University of Technology, Wuhan 430070, China
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11
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Bimetallic FeMn@C derived from Prussian blue analogue as efficient nanozyme for glucose detection. Anal Bioanal Chem 2022; 414:7773-7782. [PMID: 36066578 DOI: 10.1007/s00216-022-04310-1] [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: 08/20/2022] [Accepted: 08/29/2022] [Indexed: 11/01/2022]
Abstract
In recent decades, nanomaterial-based artificial enzymes called nanozymes have received more and more attention and have been applied in biological, chemical, medical, and other fields. In this work, bimetallic FeMn@C was synthesized by calcination from the Prussian blue analogue. The synthesized bimetallic FeMn@C exhibits efficient peroxidase-like activity. The effect of Mn doping amount, catalytic kinetics, and mechanism of FeMn@C nanozyme was further studied in detail. The results show that the peroxidase-like activity of bimetallic FeMn@C is nearly 16 times higher than that of single-metal Fe@C. The peroxidase-like activity of FeMn@C originates from its production of radicals. Compared with natural enzymes, FeMn@C nanozyme has a better affinity for the substrates. Besides, FeMn@C nanozyme has better stability than natural enzymes. Because of its strong magnetism, FeMn@C nanozyme can be recycled easily and exhibits excellent recycling performance. Based on the good affinity of FeMn@C for H2O2, a rapid and selective colorimetric assay for glucose detection is constructed, with a wide linear range of 0.01-0.75 mM and low detection limit of 4.28 µM. This sensor has been successfully applied to the determination of glucose in fruit juice, showing good selectivity and accuracy. The synthesis of bimetallic FeMn@C provides a feasible way to design nanozymes with excellent catalytic activity, high stability, and easy separation.
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12
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Fu Q, Zhou X, Wang M, Su X. Nanozyme-based sensitive ratiometric fluorescence detection platform for glucose. Anal Chim Acta 2022; 1216:339993. [DOI: 10.1016/j.aca.2022.339993] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2022] [Revised: 05/23/2022] [Accepted: 05/24/2022] [Indexed: 01/06/2023]
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13
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Lyu Z, Ding S, Du D, Qiu K, Liu J, Hayashi K, Zhang X, Lin Y. Recent advances in biomedical applications of 2D nanomaterials with peroxidase-like properties. Adv Drug Deliv Rev 2022; 185:114269. [PMID: 35398244 DOI: 10.1016/j.addr.2022.114269] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Revised: 03/20/2022] [Accepted: 04/02/2022] [Indexed: 01/10/2023]
Abstract
Significant progress has been made in developing two-dimensional (2D) nanomaterials owing to their ultra-thin structure, high specific surface area, and many other advantages. Recently, 2D nanomaterials with enzyme-like properties, especially peroxidase (POD)-like activity, are highly desirable for many biomedical applications. In this review, we first classify the types of 2D POD-like nanomaterials and then summarize various strategies for endowing 2D nanomaterials with POD-like properties. Representative examples of biomedical applications are reviewed, emphasizing in antibacterial, biosensing, and cancer therapy. Last, the future challenges and prospects of 2D POD-like nanomaterials are discussed. This review is expected to provide an in-depth understanding of 2D POD-like materials for biomedical applications.
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14
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Fluorescent MOF-based nanozymes for discrimination of phenylenediamine isomers and ratiometric sensing of o-phenylenediamine. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2021.08.083] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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15
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Yao B, Yao J, Fan Z, Zhao J, Zhang K, Huang W. Recent Advances of Versatile MXenes for Electrochemical Enzyme‐Based Biosensors, Immunosensors, and Nucleic Acid‐Based Biosensors. ChemElectroChem 2022. [DOI: 10.1002/celc.202200103] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Bo Yao
- Nanjing Tech University Institute of Advanced Materials CHINA
| | - Jiantao Yao
- Nanjing Tech University Institute of Advanced Materials CHINA
| | - Zhenqiang Fan
- Jiangsu Institute of Nuclear Medicine NHC Key Laboratory of, Jiangsu Key Laboratory of Molecular Nuclear Medicine CHINA
| | - Jianfeng Zhao
- Nanjing Tech University Institute of Advanced Materials Xinmofan Road 5 210000 Nanjing CHINA
| | - Kai Zhang
- Jiangsu Institute of Nuclear Medicine NHC Key Laboratory of, Jiangsu Key Laboratory of Molecular Nuclear Medicine CHINA
| | - Wei Huang
- Nanjing Tech University Institute of Advanced Materials CHINA
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Qu B, Sun J, Li P, Jing L. Current advances on g-C 3N 4-based fluorescence detection for environmental contaminants. JOURNAL OF HAZARDOUS MATERIALS 2022; 425:127990. [PMID: 34986565 DOI: 10.1016/j.jhazmat.2021.127990] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2021] [Revised: 11/16/2021] [Accepted: 12/02/2021] [Indexed: 06/14/2023]
Abstract
The development of highly-sensitive fluorescence detection systems for environmental contaminants has become high priority research in the past years. Special attention has been paid to graphitic carbon nitride (g-C3N4)-based nanomaterials, whose unique and superior optical property makes them promising and attractive candidates for this purpose. It is necessary to enhance the current understanding of the various classes of g-C3N4-based fluorescence detection systems and their mechanisms, as well as find suitable approaches to improve detection performance for environmental monitoring, protection, and management. In this review, the recent progresses on g-C3N4-based fluorescence detections for environmental contaminants, mainly including their basic principles, mechanisms, applications, modification strategies, and conclusions, are summarized. A particular emphasis is placed on the design and development of modification strategies for g-C3N4 with the objective of improving detection performance. High photoluminescence quantum yield, tunable fluorescence emission characteristics, and strong adsorption capacity of g-C3N4 could ensure the ultrasensitivity and selectivity of fluorescence detection of environmental contaminants. Concluding perspectives on the challenges and opportunities to design highly efficient g-C3N4-based fluorescence detection system are intensively put forward as well.
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Affiliation(s)
- Binhong Qu
- Key Laboratory of Functional Inorganic Material Chemistry (Ministry of Education), International Joint Research Center for Catalytic Technology, School of Chemistry and Materials Science, Heilongjiang University, Harbin 150080, PR China
| | - Jianhui Sun
- Key Laboratory of Functional Inorganic Material Chemistry (Ministry of Education), International Joint Research Center for Catalytic Technology, School of Chemistry and Materials Science, Heilongjiang University, Harbin 150080, PR China; College of Physical Science and Technology, Heilongjiang University, Harbin 150080, PR China
| | - Peng Li
- Key Laboratory of Functional Inorganic Material Chemistry (Ministry of Education), International Joint Research Center for Catalytic Technology, School of Chemistry and Materials Science, Heilongjiang University, Harbin 150080, PR China; College of Physical Science and Technology, Heilongjiang University, Harbin 150080, PR China.
| | - Liqiang Jing
- Key Laboratory of Functional Inorganic Material Chemistry (Ministry of Education), International Joint Research Center for Catalytic Technology, School of Chemistry and Materials Science, Heilongjiang University, Harbin 150080, PR China.
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Chen Y, He T, Liao D, Li Q, Song Y, Xue H, Zhang Y. Carbon Aerogels with Nickel@N-doped Carbon Core-shell Nanoclusters as Electrochemical Sensors for Simultaneous Determination of Hydroquinone and Catechol. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2022.140199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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18
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Ali S, Sikdar S, Basak S, Rajbanshi B, Mondal M, Roy D, Dutta A, Kumar A, Dakua VK, Chakrabarty R, Roy A, Barman A, Datta A, Roy PK, Chakraborty B, Roy MN. β-Cyclodextrin-Stabilized Biosynthesis Nanozyme for Dual Enzyme Mimicking and Fenton Reaction with a High Potential Anticancer Agent. ACS OMEGA 2022; 7:4457-4470. [PMID: 35155938 PMCID: PMC8829946 DOI: 10.1021/acsomega.1c06322] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Accepted: 01/19/2022] [Indexed: 06/08/2023]
Abstract
The myth of inactivity of inorganic materials in a biological system breaks down by the discovery of nanozymes. From this time, the nanozyme has attracted huge attention for its high durability, cost-effective production, and easy storage over the natural enzyme. Moreover, the multienzyme-mimicking activity of nanozymes can regulate the level of reactive oxygen species (ROS) in an intercellular system. ROS can be generated by peroxidase (POD), oxidase (OD), and Fenton-like catalytic reaction by a nanozyme which kills the cancer cells by oxidative stress; therefore, it is important in CDT (chemo dynamic therapy). Our current study designed to investigate the enzyme mimicking behavior and anticancer ability of cerium-based nanomaterials because the cerium-based materials offer a high redox ability while maintaining nontoxicity and high stability. Our group synthesized CeZrO4 nanoparticles by a green method using β-cyclodextrin as a stabilizer and neem leaf extract as a reducing agent, exhibiting POD- and OD-like dual enzyme activities. The best enzyme catalytic activity is shown in pH = 4, indicating the high ROS generation in an acidic medium (tumor microenvironment) which is also supported by the Fenton-like behavior of CeZrO4 nanoparticles. Inspired by the high ROS generation in vitro method, we investigated the disruption of human kidney cells by this nanoparticle, successfully verified by the MTT assay. The harmful effect of ROS in a normal cell is also investigated by the in vitro MTT assay. The results suggested that the appreciable anticancer activity with minimal side effects by this synthesized nanomaterial.
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Affiliation(s)
- Salim Ali
- Department
of Chemistry, University of North Bengal, Darjeeling 734013, West Bengal, India
| | - Suranjan Sikdar
- Department
of Chemistry, Govt. General Degree College, Dakshin Dinajpur 733121, India
| | - Shatarupa Basak
- Department
of Chemistry, University of North Bengal, Darjeeling 734013, West Bengal, India
| | - Biplab Rajbanshi
- Department
of Chemistry, University of North Bengal, Darjeeling 734013, West Bengal, India
| | - Modhusudan Mondal
- Department
of Chemistry, University of North Bengal, Darjeeling 734013, West Bengal, India
| | - Debadrita Roy
- Department
of Chemistry, University of North Bengal, Darjeeling 734013, West Bengal, India
| | - Ankita Dutta
- Department
of Biotechnology, University of North Bengal, Darjeeling 734013, West Bengal, India
| | - Anoop Kumar
- Department
of Biotechnology, University of North Bengal, Darjeeling 734013, West Bengal, India
| | | | | | - Ashim Roy
- Alipurduar
University, Alipurduar 736122, West Bengal, India
| | - Abhinath Barman
- Alipurduar
University, Alipurduar 736122, West Bengal, India
| | - Anupam Datta
- Alipurduar
University, Alipurduar 736122, West Bengal, India
| | - Pijush K. Roy
- Alipurduar
University, Alipurduar 736122, West Bengal, India
| | | | - Mahendra Nath Roy
- Department
of Chemistry, University of North Bengal, Darjeeling 734013, West Bengal, India
- Alipurduar
University, Alipurduar 736122, West Bengal, India
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Enhanced oxidase-like activity of g-C3N4 nanosheets supported Pd nanosheets for ratiometric fluorescence detection of acetylcholinesterase activity and its inhibitor. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2021.08.017] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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20
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Li X, Li X, Chen Q, Chen J, Wu P. Activating the Neutral pH Photozymatic Activity of g-C3N4 Nanosheet through Post-Synthetic Incorporation of Pt. Chem Commun (Camb) 2022; 58:6930-6933. [DOI: 10.1039/d2cc01512a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The catalytic activity of photozyme can be regulated through light irradiation time and intensity, but it still suffers from low activity in physiological neutral pH (typically, pH < 5). Herein,...
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Wang Y, Chen RX, Tian R, Li Y, Guo Z, Fang Y, Zhang Q, Chen S, Wang KP, Hu ZQ. A mitochondria-targeted fluorescent probe for real-time imaging SO 2/H 2O 2. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 262:120134. [PMID: 34271238 DOI: 10.1016/j.saa.2021.120134] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2021] [Revised: 06/05/2021] [Accepted: 06/28/2021] [Indexed: 06/13/2023]
Abstract
Studies have shown that changes in the redox state of cells might be closely related to pathological and physiological processes. Sulfur dioxide and hydrogen peroxide, as a significant redox couple in living cells, are endogenously produced by cells. Here, we report a long-wavelength fluorescent probe to reversibly monitor sulfur dioxide and hydrogen peroxide. This probe (NBD) displayed high selectivity and sensitivity, which could be accumulated in mitochondria for real-time imaging of SO2/H2O2. These results indicated that NBD would be an ideal tool for monitoring the redox cycle state in living cells.
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Affiliation(s)
- Yang Wang
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, China; College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Ru-Xing Chen
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Rui Tian
- School of Polymer Science and Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Yan Li
- College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Zongxia Guo
- College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Ying Fang
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Qi Zhang
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, China.
| | - Shaojin Chen
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Kun-Peng Wang
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Zhi-Qiang Hu
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, China.
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22
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Wang H, Sheng T, Zhao S, Zheng Y, Yu J, Zhang Y, Gu Z. Recent advances in transdermal sensors for glucose monitoring. CURRENT OPINION IN BIOMEDICAL ENGINEERING 2021. [DOI: 10.1016/j.cobme.2021.100326] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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23
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Jiang Y, Ding Z, Gao M, Chen C, Ni P, Zhang C, Wang B, Duan G, Lu Y. Spontaneous Deposition of Uniformly Distributed Ruthenium Nanoparticles on Graphitic Carbon Nitride for Quantifying Electrochemically Accumulated
H
2
O
2
. CHINESE J CHEM 2021. [DOI: 10.1002/cjoc.202100511] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Yuanyuan Jiang
- School of Materials Science and Engineering University of Jinan Jinan Shandong 250022 China
| | - Zhenyu Ding
- School of Materials Science and Engineering University of Jinan Jinan Shandong 250022 China
| | - Meng Gao
- School of Materials Science and Engineering University of Jinan Jinan Shandong 250022 China
| | - Chuanxia Chen
- School of Materials Science and Engineering University of Jinan Jinan Shandong 250022 China
| | - Pengjuan Ni
- School of Materials Science and Engineering University of Jinan Jinan Shandong 250022 China
| | - Chenghui Zhang
- School of Materials Science and Engineering University of Jinan Jinan Shandong 250022 China
| | - Bo Wang
- School of Materials Science and Engineering University of Jinan Jinan Shandong 250022 China
| | - Guangbin Duan
- School of Materials Science and Engineering University of Jinan Jinan Shandong 250022 China
| | - Yizhong Lu
- School of Materials Science and Engineering University of Jinan Jinan Shandong 250022 China
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24
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Cheng L, Wu F, Bao H, Li F, Xu G, Zhang Y, Niu W. Unveiling the Actual Catalytic Sites in Nanozyme-Catalyzed Oxidation of o-Phenylenediamine. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 17:e2104083. [PMID: 34655154 DOI: 10.1002/smll.202104083] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 08/25/2021] [Indexed: 06/13/2023]
Abstract
Nanozymes have offered remarkable advantages over natural enzymes and found widespread applications including biosensors, immunoassays, nanomedicines, and environmental remediation. Oxidation of o-phenylenediamine (OPD) by nanozymes has been listed as a standard protocol for determining nanozyme activities. Given the complexity of OPD oxidation processes, however, the mechanism of nanozyme-catalyzed oxidation of OPD remains elusive. In this report, mechanistic studies of nanozyme-catalyzed oxidation of OPD are performed and a distinguishably different mechanism from that of natural enzymes is found. A combination of Fourier transform infrared spectroscopy, nuclear magnetic resonance, electrospray ionization mass spectrometry, and electron microscopic studies provides compelling evidence that polymerization of OPD occurs on the surface of several different nanozymes. The unexpected polymerization causes a dense coating layer of poly(o-phenylenediamine) (POPD) on nanozymes renders the intrinsic properties of nanozymes. Therefore, this fundamental discovery raise serious concerns using OPD-based colorimetric method for determining nanozyme activities. Without examining the surface change of nanozymes after catalytic reactions, the use of OPD-based colorimetric method for determining nanozyme activities is strongly discouraged. Furthermore, POPD is discovered as a new oxidase mimic, and this new mechanism also provides a general and robust method to coat nanomaterials with POPD polymers of enzyme-mimicking properties.
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Affiliation(s)
- Lu Cheng
- Key Laboratory of Functional Polymer Materials and State Key Laboratory of Medicinal Chemical Biology, Institute of Polymer Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, P. R. China
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun, Jilin, 130022, P. R. China
| | - Fengxia Wu
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun, Jilin, 130022, P. R. China
| | - Haibo Bao
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun, Jilin, 130022, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100039, P. R. China
| | - Fenghua Li
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun, Jilin, 130022, P. R. China
| | - Guobao Xu
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun, Jilin, 130022, P. R. China
- University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Yongjun Zhang
- Key Laboratory of Functional Polymer Materials and State Key Laboratory of Medicinal Chemical Biology, Institute of Polymer Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, P. R. China
| | - Wenxin Niu
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun, Jilin, 130022, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100039, P. R. China
- University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
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Colorimetric-fluorescent dual-mode sensing of peroxide explosives based on inner filter effect with boosted sensitivity and selectivity. CHINESE JOURNAL OF ANALYTICAL CHEMISTRY 2021. [DOI: 10.1016/j.cjac.2021.10.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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26
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Greatly improved thermal conductivity and electrical insulation for PVA composites via introducing functional carbon nitride nanosheets. Eur Polym J 2021. [DOI: 10.1016/j.eurpolymj.2021.110718] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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27
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Wu X, Sun Y, He T, Zhang Y, Zhang GJ, Liu Q, Chen S. Iron, Nitrogen-Doped Carbon Aerogels for Fluorescent and Electrochemical Dual-Mode Detection of Glucose. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:11309-11315. [PMID: 34541858 DOI: 10.1021/acs.langmuir.1c01866] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Due to their effective catalytic activity and maximum atom utilization, single metal atoms dispersed in carbon matrices have found diverse applications in electrocatalysis, photocatalysis, organic catalysis, and biosensing. Herein, iron is atomically dispersed into nitrogen-doped porous carbon aerogel by a facile pyrolysis procedure, and the resulting nanocomposite behaves both as a peroxidase mimic for the sensitive detection of glucose by fluorescence spectroscopy and as an effective catalyst for the electrochemical oxidation of glucose. The glucose concentration can be quantified within the millimolar to micromolar range with a limit of detection of 3.1 and 0.5 μM, respectively. Such a dual-functional detection platform also shows excellent reproducibility, stability, and selectivity, and the performance in glucose detection of clinical and artificial human body fluids is highly comparable to that of leading assays in recent studies and results from commercial sensors. Results from this study suggest that carbon aerogel-supported single atoms can be used as a dual-functional nanozyme for the construction of low-cost, high-performance dual-signal readout platforms for glucose detection.
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Affiliation(s)
- Xingzi Wu
- School of Laboratory Medicine, Hubei University of Chinese Medicine, 16 Huangjia Lake West Road, Wuhan, Hubei 430065, China
| | - Yujie Sun
- School of Laboratory Medicine, Hubei University of Chinese Medicine, 16 Huangjia Lake West Road, Wuhan, Hubei 430065, China
| | - Ting He
- School of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, China
| | - Yulin Zhang
- School of Laboratory Medicine, Hubei University of Chinese Medicine, 16 Huangjia Lake West Road, Wuhan, Hubei 430065, China
| | - Guo-Jun Zhang
- School of Laboratory Medicine, Hubei University of Chinese Medicine, 16 Huangjia Lake West Road, Wuhan, Hubei 430065, China
| | - Qiming Liu
- Department of Chemistry and Biochemistry, University of California, 1156 High Street, Santa Cruz, California 95064, United States
| | - Shaowei Chen
- Department of Chemistry and Biochemistry, University of California, 1156 High Street, Santa Cruz, California 95064, United States
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28
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Jing W, Kong F, Tian S, Yu M, Li Y, Fan L, Li X. Glucose oxidase decorated fluorescent metal-organic frameworks as biomimetic cascade nanozymes for glucose detection through the inner filter effect. Analyst 2021; 146:4188-4194. [PMID: 34057168 DOI: 10.1039/d1an00847a] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Metal-organic frameworks (MOFs) as a peroxidase mimic have been integrated with glucose oxidase (GOx) to achieve one-step glucose detection. However, limited by the loading amount of GOx, the performances of the developed glucose sensing assays still remain to be further improved to meet sensing requirements in diverse biological samples. Herein, with Fe3+ as the metal ion and 2-amino-benzenedicarboxylic acid as a ligand, a fluorescent Fe-based organic framework (NH2-MIL-101) with peroxidase-like activity was synthesized. Due to the large specific surface area (791.75 m2 g-1), 68 μg mg-1 GOx could be immobilized through the amidation coupling reaction, and the product was designated GOx@NH2-MIL-101. With OPD as the substrate, Gox@NH2-MIL-101 achieved highly efficient biomimetic cascade catalysis for one-step glucose detection through an inner filter effect: upon reacting with glucose, GOx@NH2-MIL-101 catalytically oxidized glucose using dissolved O2, and the produced H2O2 concurrently oxidized o-phenylenediamine (OPD) to oxidized OPD (oxOPD), accompanied by the fluorescence of GOx@NH2-MIL-101 at 456 nm being quenched and that of oxOPD at 565 nm being enhanced. With the fluorescent ratio F565/F456 used as a readout signal, a wide linear range of 0.1-600 μM was obtained, and the detection limit was 0.0428 μM. Based on the excellent selectivity and high stability of GOx@NH2-MIL-101, the developed assay was successfully applied to glucose detection in human serum and saliva, presenting potential applications in diverse biological samples and even medical diagnosis.
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Affiliation(s)
- Wenjie Jing
- Key Laboratory of Theoretical and Computational Photochemistry, Ministry of Education, College of Chemistry, Beijing Normal University, Beijing, 100875, China.
| | - Fanbo Kong
- Key Laboratory of Theoretical and Computational Photochemistry, Ministry of Education, College of Chemistry, Beijing Normal University, Beijing, 100875, China.
| | - Sijia Tian
- Key Laboratory of Theoretical and Computational Photochemistry, Ministry of Education, College of Chemistry, Beijing Normal University, Beijing, 100875, China.
| | - Mincong Yu
- Key Laboratory of Theoretical and Computational Photochemistry, Ministry of Education, College of Chemistry, Beijing Normal University, Beijing, 100875, China.
| | - Yunchao Li
- Key Laboratory of Theoretical and Computational Photochemistry, Ministry of Education, College of Chemistry, Beijing Normal University, Beijing, 100875, China.
| | - Louzhen Fan
- Key Laboratory of Theoretical and Computational Photochemistry, Ministry of Education, College of Chemistry, Beijing Normal University, Beijing, 100875, China.
| | - Xiaohong Li
- Key Laboratory of Theoretical and Computational Photochemistry, Ministry of Education, College of Chemistry, Beijing Normal University, Beijing, 100875, China.
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29
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Yuan C, Qin X, Xu Y, Shi R, Cheng S, Wang Y. Dual-signal uric acid sensing based on carbon quantum dots and o-phenylenediamine. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 254:119678. [PMID: 33743305 DOI: 10.1016/j.saa.2021.119678] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 02/26/2021] [Accepted: 03/01/2021] [Indexed: 05/07/2023]
Abstract
Fluorescent carbon quantum dots (CQDs), which showed excitation-dependent emission characteristics, were prepared using a facile hydrothermal method. The structure and optical properties of CQDs were characterized by transmission electron microscopy, X-ray photoelectron spectroscopy, Fourier transform infrared spectroscopy, UV-Vis spectroscopy, and fluorescence spectroscopy. These CQDs also showed peroxidase-like activity and could catalyze the H2O2-mediated oxidation of o-phenylenediamine (OPD) to form 2,3-diaminophenazine (DAP) with an absorption peak at 420 nm. DAP exhibited an obvious fluorescence emission at 550 nm under the excitation of 360 nm. On the other hand, it decreased the fluorescence of CQDs at 450 nm via inner filter effect. The experimental results indicated that the H2O2 concentration affected the color of DAP and the fluorescence intensity of CQDs and DAP. Thus, a colorimetric and ratiometric fluorescence dual-signal method was established for measuring the concentrations of H2O2 and uric acid (UA). The effects of pH, incubation temperature, incubation time, and OPD concentration on the response were investigated. Under the conditions of pH 7.5, temperature 50 °C, incubation time 30 min, and OPD 1.5 mM, the absorbance and fluorescence intensity ratio responses were linearly dependent on UA concentration ranging from 5.0 μM to 100 μM. The limits of detection were 0.7 and 0.5 μM with a colorimetric method and ratiometric fluorescence method, respectively. More importantly, this dual responsive method has been applied to the determination of UA in urine samples with satisfactory results.
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Affiliation(s)
- Chunling Yuan
- School of Chemistry and Chemical Engineering, Guangxi University, Guangxi Key Laboratory of Electrochemical Energy Materials, Nanning 530004, China
| | - Xiu Qin
- School of Chemistry and Chemical Engineering, Guangxi University, Guangxi Key Laboratory of Electrochemical Energy Materials, Nanning 530004, China
| | - Yuanjin Xu
- School of Chemistry and Chemical Engineering, Guangxi University, Guangxi Key Laboratory of Electrochemical Energy Materials, Nanning 530004, China
| | - Rui Shi
- School of Chemistry and Chemical Engineering, Guangxi University, Guangxi Key Laboratory of Electrochemical Energy Materials, Nanning 530004, China
| | - Shiqi Cheng
- School of Chemistry and Chemical Engineering, Guangxi University, Guangxi Key Laboratory of Electrochemical Energy Materials, Nanning 530004, China
| | - Yilin Wang
- School of Chemistry and Chemical Engineering, Guangxi University, Guangxi Key Laboratory of Electrochemical Energy Materials, Nanning 530004, China.
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Zou M, Feng L, Lin X, Ni Y. The facile synthesis of a Co 3O 4-NiNP composite as an electrochemical non-enzymatic sensing platform for small chemical molecules. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2021; 13:2229-2237. [PMID: 33912873 DOI: 10.1039/d1ay00495f] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
In this paper, a new Co3O4-Ni nanocomposite-modified glassy carbon electrode (Co3O4-NiNPs/GCE) was successfully constructed and used to detect glucose and hydrogen peroxide (H2O2). The morphologies and structures of the Co3O4 and Co3O4-Ni nanocomposites were characterized via transmission electron microscopy (TEM), scanning electron microscopy (SEM), and X-ray diffraction (XRD). The construction process of the modified electrode was characterized via electrochemical impedance spectroscopy (EIS) and cyclic voltammetry (CV) techniques. Co3O4-NiNPs/GCE shows more excellent electrocatalytic activity for the detection of glucose and H2O2 compared with Co3O4/GCE and NiNPs/GCE. The amperometric i-t method was used for the quantitative analysis of glucose and H2O2. The plots of current difference versus concentration of glucose and H2O2 were linear in the range of 0.3-550 μM and 0.5-89 μM, respectively. The corresponding limits of detection (LODs) were 0.086 μM and 0.23 μM for glucose and H2O2, respectively. This recommended sensor was successfully applied for the quantitative analysis of glucose in fruit and H2O2 in water samples.
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Affiliation(s)
- Miaomiao Zou
- College of Chemistry, Nanchang University, Nanchang 330031, China.
| | - Li Feng
- College of Chemistry, Nanchang University, Nanchang 330031, China.
| | - Xiaoyun Lin
- College of Chemistry, Nanchang University, Nanchang 330031, China. and Jiangxi Province Key Laboratory of Modern Analytical Scinece, Nanchang University, Nanchang 330031, China
| | - Yongnian Ni
- College of Chemistry, Nanchang University, Nanchang 330031, China.
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Li S, Liu H, Zhang X, Cai J, Huang K, Chen B, Huang L, Lin Z, Lin X, Yao H. Label-free colorimetric detection of glutathione by autocatalytic oxidation of o-phenylenediamine based on Au 3+ regulation and its application. NEW J CHEM 2021. [DOI: 10.1039/d1nj00370d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A label-free, rapid, and highly sensitive colorimetric assay for the detection of glutathione (GSH) was developed.
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Zhang YJ, Guo L, Yu YL, Wang JH. Photoacoustic-Based Miniature Device with Smartphone Readout for Point-of-Care Testing of Uric Acid. Anal Chem 2020; 92:15699-15704. [PMID: 33263986 DOI: 10.1021/acs.analchem.0c03470] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Real-time and rapid detection of various biomarkers in body fluids has important significance for early disease diagnosis, efficient monitoring of treatment, and evaluation of prognosis. However, traditional detection methods not only require bulky and costly instruments but also are not suitable for the analysis of heterogeneous samples (e.g., serum and urine), limiting their applications in point-of-care testing (POCT). Herein, an integrated photoacoustic (PA) device with a smartphone as the acoustic signal readout has been constructed, greatly reducing the volume and cost of the instrument, and providing a potential miniature platform for POCT of clinical samples. By exploiting the electron transfer product of 3,3',5,5'-tetramethylbenzidine (TMB) (i.e., TMB++) as the PA probe and hemin-graphene oxide (H-GO) complex as the peroxidase, quantitative analysis of uric acid was successfully performed by using only 30 μL of a sample solution. Due to the favorable stability of artificial enzymes, reaction reagents could be effectively embedded in agar gel to make a portable "test strip". Therefore, operators just need to drop clinical samples on the "test strip" for PA analysis, which is user friendly without requiring complex sample preparation steps. In addition, since the acoustic change mainly comes from the PA effect, it has a lower background signal than UV-vis and fluorescence analysis, greatly improving the analytical performance. The simplicity, low cost, and broad adaptability make this miniature PA device attractive for on-site detection, particularly in resource-limited settings.
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Affiliation(s)
- Ya-Jie Zhang
- Research Center for Analytical Sciences, Department of Chemistry, College of Sciences, Northeastern University, Box 332, Shenyang 110819, China
| | - Lan Guo
- Research Center for Analytical Sciences, Department of Chemistry, College of Sciences, Northeastern University, Box 332, Shenyang 110819, China
| | - Yong-Liang Yu
- Research Center for Analytical Sciences, Department of Chemistry, College of Sciences, Northeastern University, Box 332, Shenyang 110819, China
| | - Jian-Hua Wang
- Research Center for Analytical Sciences, Department of Chemistry, College of Sciences, Northeastern University, Box 332, Shenyang 110819, China
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Jiao Y, Li J, Xiang J, Chen Z. Tungsten disulfide nanosheets-based colorimetric assay for glucose sensing. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 242:118706. [PMID: 32745935 DOI: 10.1016/j.saa.2020.118706] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Revised: 07/08/2020] [Accepted: 07/12/2020] [Indexed: 06/11/2023]
Abstract
We have developed a glucose oxidase (GOx)-mediated strategy for glucose detection, which is based on the intrinsic peroxidase-like activity of WS2 as a catalyst for the 3,3',5,5'-tetramethylbenzidine‑hydrogen peroxide (TMB-H2O2) reaction. The colorimetric assay involves two parts: generation of H2O2 from the oxidation of glucose catalyzed by GOx, and WS2 nanosheets that catalyze the reaction between TMB and H2O2. In this colorimetric assay, the enhancement of colorimetric signals depends directly on the increased H2O2 concentration, which, in turn, relies on the glucose concentration. The results show that the concentrations of the glucose were directly proportional to absorbance of the TMB solutions over a range of 1 nM-500 μM with a limit of detection of 0.1445 nM. In addition, this new colorimetric assay has been utilized for glucose detection in human serum with a satisfactory result.
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Affiliation(s)
- Yunfei Jiao
- Department of Chemistry, Capital Normal University, Beijing, 100048, China
| | - Justin Li
- Department of Chemistry, Capital Normal University, Beijing, 100048, China
| | - Junyi Xiang
- Department of Chemistry, Capital Normal University, Beijing, 100048, China
| | - Zhengbo Chen
- Department of Chemistry, Capital Normal University, Beijing, 100048, China.
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Liu T, Cui L, Zhao H, Zhang X. In Situ Generation of Regularly Ordered 2D Ultrathin Covalent Organic Framework Films for Highly Sensitive Photoelectrochemical Bioanalysis. ACS APPLIED MATERIALS & INTERFACES 2020; 12:47090-47098. [PMID: 33007157 DOI: 10.1021/acsami.0c15147] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Developing new photoactive materials and electrode preparation technology with high stability, repeatability, easy fabrication, and a low electron-hole recombination rate is promising for ideal photoelectrochemical (PEC) biosensors, but it remains a great challenge. Here, a porous and crystalline oriented two-dimensional (2D) ultrathin covalent organic framework film (D-TA COF film) was formed in situ on indium-doped tin oxide (ITO) substrates under very mild conditions. The structure and morphology of D-TA COF film were characterized by means of Raman spectroscopy, X-ray photoelectron spectroscopy, scanning electron microscopy, and powder X-ray diffraction. Compared with the randomly oriented D-TA COF powder drop-coated on ITO, the photocurrent of the D-TA COF film grown on the ITO surface in situ achieved as high as ∼333-fold increase. This photocurrent can be further amplified by O2 (acting as electron acceptors). Benefiting from the fabrication in situ, D-TA COF film also exhibited tough adhesion, assuring the film was difficult to separate from the electrode. Accordingly, D-TA COF film was applied as the photoactive material to build a PEC biosensor for H2O2 detection based on coupling with large amounts of catalase (CAT) through simple adsorption. The introduced CAT catalyzed the decomposition of H2O2 to O2, leading to an enhancement of the photocurrent response. As a result, a "signal-on" PEC biosensor was fabricated with good sensitivity, rapid response, and high stability, and it can also detect H2O2 released from living cells. Taking into account these advantages, the D-TA COF film is expected to be an ideal photoactive material to construct various PEC biosensors, which as far as we know have not been reported.
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Affiliation(s)
- Tingting Liu
- School of Chemistry and Chemical Engineering, Shandong University, Jinan, Shandong 250100, China
| | - Lin Cui
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan, Shandong 250014, China
| | - Huijuan Zhao
- School of Chemistry and Chemical Engineering, Shandong University, Jinan, Shandong 250100, China
| | - Xiaomei Zhang
- School of Chemistry and Chemical Engineering, Shandong University, Jinan, Shandong 250100, China
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Bahari D, Babamiri B, Salimi A, Salimizand H. Ratiometric fluorescence resonance energy transfer aptasensor for highly sensitive and selective detection of Acinetobacter baumannii bacteria in urine sample using carbon dots as optical nanoprobes. Talanta 2020; 221:121619. [PMID: 33076147 DOI: 10.1016/j.talanta.2020.121619] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Revised: 08/28/2020] [Accepted: 08/31/2020] [Indexed: 11/20/2022]
Abstract
Development of sensitive and selective analytical method for accurate diagnosis of Acinetobacter baumannii (Ab) bacteria in biological samples is a challenge. Herein, we developed an ingenious ratiometric fluorescent aptasensor for sensitive and selective detection of (Ab) bacteria based on fluorescence resonance energy transfer (FRET) between ortho-phenylenediamines carbon dot (o-CD), nitrogen-doped carbon nanodots (NCND) as donor's species and graphene oxide (GO) as acceptor. NCND that assembled onto the edge of graphene oxide (GO) exhibited quenched photoluminescence emission, and with the absorption of the modified o-CD with aptamer (o-CD-ssDNA) onto the graphene oxide surface the fluorescence of o-CD was efficiently quenched. The aptamer (ssDNA) as a biorecognition element is bound with A. baumannii specifically which releases the o-CD-ssDNA from GO and the recovery of the fluorescence signal of o-CD, while the fluorescence intensity of NCND only slightly altered and acted as the reference signal in ratiometric fluorescence assay. The fluorescence intensity ratio (I550 nm/I440nm) varied from 2.0 to 10.0 with the concentration of bacteria changing from 2.0 × 103 to 4.5 × 107 cfu/mL and the low detection limit of 3.0 × 102 cfu/mL (S/N = 3). The feasibility of the developed aptasensor for selective detection of A. baumannii in urine sample with satisfactory results was also demonstrated.
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Affiliation(s)
- Delnia Bahari
- Department of Chemistry, University of Kurdistan, 66177-15175, Sanandaj, Iran
| | - Bahareh Babamiri
- Department of Chemistry, University of Kurdistan, 66177-15175, Sanandaj, Iran
| | - Abdollah Salimi
- Department of Chemistry, University of Kurdistan, 66177-15175, Sanandaj, Iran; Research Center for Nanotechnology, University of Kurdistan, 66177-15175, Sanandaj, Iran.
| | - Himen Salimizand
- Department of Microbiology, Kurdistan University of Medical Sciences, 66177-13446, Sanandaj, Iran
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Imran H, Vaishali K, Antony Francy S, Manikandan PN, Dharuman V. Platinum and zinc oxide modified carbon nitride electrode as non-enzymatic highly selective and reusable electrochemical diabetic sensor in human blood. Bioelectrochemistry 2020; 137:107645. [PMID: 32916428 DOI: 10.1016/j.bioelechem.2020.107645] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 08/13/2020] [Accepted: 08/26/2020] [Indexed: 12/30/2022]
Abstract
Development of non-enzymatic glucose sensor is essential to reduce the cost of diabetes regular monitoring. Here, graphitic carbon nitride (g-C3N4) is modified with platinum and zinc oxide for non-enzymatic electrochemical glucose sensing in physiological conditions for the first time in the literature. The interactions between Pt, g-C3N4 and the ZnO are studied using different physicochemical characterization techniques. The Electrochemical glucose sensing at the ZnO-Pt-gC3N4 occurs at low applied potential of +0.20 V (vs. Ag/AgCl) with high sensitivity 3.34 μA/mM/cm2 and fast response (5 s) time. This sensor exhibited a wide linear range 0.25-110 mM with lower limit of detection of 0.1 µM. The architectured sensor was evaluated in human blood, serum and urine samples. The sensor is 4 time reusable in whole blood without activity deterioration. This reusable surface helps to reduce the cost of strip.
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Affiliation(s)
- Habibulla Imran
- Molecular Electronics Laboratory, Department of Bioelectronics and Biosensors, Alagappa University, Karaikudi 630 003, India; Fedesens Centre for Innovation and Instrumentation, Chennai 600024, India
| | - Krishnamoorthy Vaishali
- Molecular Electronics Laboratory, Department of Bioelectronics and Biosensors, Alagappa University, Karaikudi 630 003, India
| | - Sindhuraj Antony Francy
- Molecular Electronics Laboratory, Department of Bioelectronics and Biosensors, Alagappa University, Karaikudi 630 003, India
| | - Palinci Nagarajan Manikandan
- Molecular Electronics Laboratory, Department of Bioelectronics and Biosensors, Alagappa University, Karaikudi 630 003, India; Fedesens Centre for Innovation and Instrumentation, Chennai 600024, India
| | - Venkataraman Dharuman
- Molecular Electronics Laboratory, Department of Bioelectronics and Biosensors, Alagappa University, Karaikudi 630 003, India.
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Ye Q, Ren S, Huang H, Duan G, Liu K, Liu JB. Fluorescent and Colorimetric Sensors Based on the Oxidation of o-Phenylenediamine. ACS OMEGA 2020; 5:20698-20706. [PMID: 32875203 PMCID: PMC7450508 DOI: 10.1021/acsomega.0c03111] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2020] [Accepted: 07/27/2020] [Indexed: 05/04/2023]
Abstract
o-Phenylenediamine (OPD) can be readily oxidized by several types of oxidants to generate fluorescent 2,3-diaminophenazine (oxidized OPD, OPDox). The unique fluorescence response process during the oxidation of OPD provides an important model for the design of novel sensors. In recent years, a series of fluorescent and colorimetric sensors have been developed based on the oxidation of OPD. In this review, fluorescent and colorimetric sensors for the detection of metal ions and small organic molecules are discussed. These sensing processes exhibit distinguishable and prominent fluorescent and colorimetric responses. The sensing systems include autocatalytic reactions and using nanomaterials, carbon dots, or fluorophore labeled DNA as reference fluorophore for fluorescent and colorimetric detection.
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Affiliation(s)
- Qiuxiang Ye
- Faculty
of Materials Metallurgy and Chemistry, Jiangxi
University of Science and Technology, 86 Hongqi Road, Ganzhou 341000, China
| | - Shangfeng Ren
- Faculty
of Materials Metallurgy and Chemistry, Jiangxi
University of Science and Technology, 86 Hongqi Road, Ganzhou 341000, China
| | - Hui Huang
- Faculty
of Materials Metallurgy and Chemistry, Jiangxi
University of Science and Technology, 86 Hongqi Road, Ganzhou 341000, China
| | - Gaigai Duan
- Co-Innovation
Center of Efficient Processing and Utilization of Forest Resources,
College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210000, China
| | - Kunming Liu
- Faculty
of Materials Metallurgy and Chemistry, Jiangxi
University of Science and Technology, 86 Hongqi Road, Ganzhou 341000, China
- (Kunming
Liu)
| | - Jin-Biao Liu
- Faculty
of Materials Metallurgy and Chemistry, Jiangxi
University of Science and Technology, 86 Hongqi Road, Ganzhou 341000, China
- (Jin-Biao Liu)
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Bao J, Xu S, Zhao L, Peng G, Lu H. Colorimetric and fluorescent dual-mode strategy for sensitive detection of sulfide: Target-induced horseradish peroxidase deactivation. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 236:118296. [PMID: 32320918 DOI: 10.1016/j.saa.2020.118296] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Revised: 03/20/2020] [Accepted: 03/21/2020] [Indexed: 06/11/2023]
Abstract
Environmental pollution caused by sulfide compounds has become a major problem for public health. Hence, accurate detection of sulfide anions (S2-) level is valuable and vital for environmental monitoring and protection. Here, we report a new colorimetric/fluorescent dual-mode sensor for the determination of S2- based on the inhibition of enzyme activity and the unique optical properties of produced 2,3-diaminophenazine (DAP), thus making the analytical results more convincing. In this strategy, horseradish peroxidase (HRP) enzyme is used for catalyzing the H2O2-mediated oxidation of o-phenylenediamine (OPD) to produce DAP, and the color changed to bright yellow and produced orange yellow fluorescence. But the presence of S2- could cause the deactivation of HRP, which decreased the amount of DAP and consequently resulted in a substantial SPR band fading and an evident fluorescence quenching simultaneously. The mechanism of S2- sensor was examined by combining the UV-vis absorption spectra, fluorescence spectra and electrospray ionization mass spectrometry analysis. Under optimal conditions, the colorimetric and fluorescent linear responses of the proposed method exhibited a wide linear range from 2.5 nM-7.5 μM with ultralow detection limits of 1.2 nM and 0.9 nM, respectively. Some potential interferents (such as F-, Cl-, Br-, I-, SO42-, SO32-, SCN-, H2PO4-, HPO42-, Ac-, NO3-, CO32-) in real samples showed no interference. Moreover, the proposed method offered advantages of simple, low-cost instruments and rapid assay without the utilization of nanomaterials and has been successfully applied to determine S2- content in lake water samples with satisfying recoveries over 97.6%. More importantly, the present S2- sensor not only afforded a new optical sensing pattern for bioanalysis and environment monitoring, but also extends the application field of HRP-catalyzed OPD-H2O2 system.
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Affiliation(s)
- Jie Bao
- Department of Pharmacy, Anhui Provincial Corps Hospital of Chinese People's Armed Police Forces, Hefei 230061, PR China
| | - Shuxin Xu
- Department of Pharmacy, Anhui Provincial Corps Hospital of Chinese People's Armed Police Forces, Hefei 230061, PR China
| | - Lihua Zhao
- Department of Pharmacy, Anhui Provincial Corps Hospital of Chinese People's Armed Police Forces, Hefei 230061, PR China
| | - Guoyu Peng
- Department of Pharmacy, Anhui Provincial Corps Hospital of Chinese People's Armed Police Forces, Hefei 230061, PR China
| | - Haifeng Lu
- Department of Pharmacy, Anhui Provincial Corps Hospital of Chinese People's Armed Police Forces, Hefei 230061, PR China.
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Mahmudunnabi RG, Farhana FZ, Kashaninejad N, Firoz SH, Shim YB, Shiddiky MJA. Nanozyme-based electrochemical biosensors for disease biomarker detection. Analyst 2020; 145:4398-4420. [PMID: 32436931 DOI: 10.1039/d0an00558d] [Citation(s) in RCA: 85] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
In recent years, a new group of nanomaterials named nanozymes that exhibit enzyme-mimicking catalytic activity has emerged as a promising alternative to natural enzymes. Nanozymes can address some of the intrinsic limitations of natural enzymes such as high cost, low stability, difficulty in storage, and specific working conditions (i.e., narrow substrate, temperature and pH ranges). Thus, synthesis and applications of hybrid and stimuli-responsive advanced nanozymes could revolutionize the current practice in life sciences and biosensor applications. On the other hand, electrochemical biosensors have long been used as an efficient way for quantitative detection of analytes (biomarkers) of interest. As such, the use of nanozymes in electrochemical biosensors is particularly important to achieve low cost and stable biosensors for prognostics, diagnostics, and therapeutic monitoring of diseases. Herein, we summarize the recent advances in the synthesis and classification of common nanozymes and their application in electrochemical biosensor development. After briefly overviewing the applications of nanozymes in non-electrochemical-based biomolecular sensing systems, we thoroughly discuss the state-of-the-art advances in nanozyme-based electrochemical biosensors, including genosensors, immunosensors, cytosensors and aptasensors. The applications of nanozymes in microfluidic-based assays are also discussed separately. We also highlight the challenges of nanozyme-based electrochemical biosensors and provide some possible strategies to address these limitations. Finally, future perspectives on the development of nanozyme-based electrochemical biosensors for disease biomarker detection are presented. We envisage that standardization of nanozymes and their fabrication process may bring a paradigm shift in biomolecular sensing by fabricating highly specific, multi-enzyme mimicking nanozymes for highly sensitive, selective, and low-biofouling electrochemical biosensors.
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Affiliation(s)
- Rabbee G Mahmudunnabi
- Institute of BioPhysio-Sensor Technology, Pusan National University, Busan 46241, South Korea
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Zhu W, Zhou Y, Tao M, Yan X, Liu Y, Zhou X. An electrochemical and fluorescence dual-signal assay based on Fe3O4@MnO2 and N-doped carbon dots for determination of hydrogen peroxide. Mikrochim Acta 2020; 187:187. [DOI: 10.1007/s00604-020-4163-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Accepted: 02/13/2020] [Indexed: 01/27/2023]
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Cui Y, Lai X, Liu K, Liang B, Ma G, Wang L. Ginkgo biloba leaf polysaccharide stabilized palladium nanoparticles with enhanced peroxidase-like property for the colorimetric detection of glucose. RSC Adv 2020; 10:7012-7018. [PMID: 35493859 PMCID: PMC9049734 DOI: 10.1039/d0ra00680g] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Accepted: 02/10/2020] [Indexed: 12/25/2022] Open
Abstract
Sensitive glucose detection based on nanoparticles is good for the prevention of illness in our bodies. However, many nanoparticles lack stability and biocompatibility, which restrict their sensitivity to glucose detection. Herein, stable and biocompatible Ginkgo biloba leaf polysaccharide (GBLP) stabilized palladium nanoparticles (Pd n -GBLP NPs) were prepared through a green method where GBLP was used as a reducing and stabilizing agent. The results of Pd n -GBLP NPs characterized by UV-visible spectroscopy (UV-Vis), Fourier transform infrared (FTIR) spectroscopy, transmission electron microscopy (TEM) and X-ray photoelectron spectra (XPS) confirmed the successful preparation of Pd n -GBLP NPs. TEM results indicated that the sizes of Pd NPs inside of Pd n -GBLP NPs (n = 41, 68, 91 and 137) were 7.61, 9.62, 11.10 and 13.13 nm, respectively. XPS confirmed the successful reduction of PdCl4 2- into Pd (0). Dynamic light scattering (DLS) results demonstrated the long-term stability of Pd n -GBLP NPs in different buffer solutions. Furthermore, Pd91-GBLP NPs were highly biocompatible after incubation (500 μg mL-1) with HeLa cells for 24 h. More importantly, Pd91-GBLP NPs had peroxidase-like properties and followed a ping-pong mechanism. The catalytic oxidation of substrate 3,3',5,5'-tetramethylbenzidine (TMB) into blue oxidized TMB (oxTMB) by Pd91-GBLP NPs was used to detect the glucose concentration. This colorimetric method had high selectivity, wide linear range from 2.5 to 700 μM and a low detection limit of 1 μM. This method also showed good accuracy for the detection of glucose concentrations in blood. The established method has great potential in biomedical detection in the future.
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Affiliation(s)
- Yanshuai Cui
- State Key Laboratory of Metastable Materials Science and Technology, Yanshan University Qinhuangdao 066004 China
| | - Xiang Lai
- Key Laboratory of Applied Chemistry, College of Environmental and Chemical Engineering, Yanshan University Qinhuangdao 066004 China
| | - Kai Liu
- Key Laboratory of Applied Chemistry, College of Environmental and Chemical Engineering, Yanshan University Qinhuangdao 066004 China
| | - Bo Liang
- State Key Laboratory of Metastable Materials Science and Technology, Yanshan University Qinhuangdao 066004 China
| | - Guanglong Ma
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University Hangzhou 310027 China
| | - Longgang Wang
- Key Laboratory of Applied Chemistry, College of Environmental and Chemical Engineering, Yanshan University Qinhuangdao 066004 China
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