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Wang X, Shu C, Wang G, Han P, Zheng L, Xu L, Chen Y. Recent progress of noble metal-based nanozymes: structural engineering and biomedical applications. NANOSCALE 2025; 17:10557-10580. [PMID: 40197505 DOI: 10.1039/d4nr05514d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/10/2025]
Abstract
Due to their tunable catalytic activity, high chemical stability, and favorable electronic structure, noble metal-based nanozymes that can mimic important biocatalytic processes have attracted great attention. Rational structural design of noble metal-based nanozymes can endow them with excellent enzyme-like activities, enhanced sensitivity and stability, as well as unique physicochemical functionalities towards various biomedical applications such as sensing, diagnostics, and disease treatment. This review summarizes the recent progress in structural engineering of noble metal-based nanozymes and emphasizes the relationship between key structural factors of nanozymes and their enzyme-like properties in various enzyme-mimicking reactions. The diverse applications of noble metal-based nanozymes in biosensors, antibiosis, and disease treatment are further introduced. Finally, current challenges and future research directions in noble metal-based nanozymes are discussed. This review could offer scientific guidance to design and fabricate advanced nanozymes with enhanced functionality and performance towards clinical, environmental and biomedical applications.
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Affiliation(s)
- Xiao Wang
- Department of Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong SAR, China.
| | - Chenhao Shu
- Department of Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong SAR, China.
| | - Gang Wang
- Department of Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong SAR, China.
| | - Peng Han
- Department of Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong SAR, China.
| | - Long Zheng
- Department of Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong SAR, China.
| | - Lei Xu
- Department of Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong SAR, China.
| | - Ye Chen
- Department of Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong SAR, China.
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2
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Hong S, Yu T, Wang Z, Lee CH. Biomaterials for reliable wearable health monitoring: Applications in skin and eye integration. Biomaterials 2025; 314:122862. [PMID: 39357154 PMCID: PMC11787905 DOI: 10.1016/j.biomaterials.2024.122862] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2024] [Revised: 09/22/2024] [Accepted: 09/26/2024] [Indexed: 10/04/2024]
Abstract
Recent advancements in biomaterials have significantly impacted wearable health monitoring, creating opportunities for personalized and non-invasive health assessments. These developments address the growing demand for customized healthcare solutions. Durability is a critical factor for biomaterials in wearable applications, as they must withstand diverse wearing conditions effectively. Therefore, there is a heightened focus on developing biomaterials that maintain robust and stable functionalities, essential for advancing wearable sensing technologies. This review examines the biomaterials used in wearable sensors, specifically those interfaced with human skin and eyes, highlighting essential strategies for achieving long-lasting and stable performance. We specifically discuss three main categories of biomaterials-hydrogels, fibers, and hybrid materials-each offering distinct properties ideal for use in durable wearable health monitoring systems. Moreover, we delve into the latest advancements in biomaterial-based sensors, which hold the potential to facilitate early disease detection, preventative interventions, and tailored healthcare approaches. We also address ongoing challenges and suggest future directions for research on material-based wearable sensors to encourage continuous innovation in this dynamic field.
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Affiliation(s)
- Seokkyoon Hong
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN, 47907, USA
| | - Tianhao Yu
- School of Mechanical Engineering, Purdue University, West Lafayette, IN, 47907, USA
| | - Ziheng Wang
- School of Mechanical Engineering, Purdue University, West Lafayette, IN, 47907, USA
| | - Chi Hwan Lee
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN, 47907, USA; School of Mechanical Engineering, Purdue University, West Lafayette, IN, 47907, USA; Center for Implantable Devices, Purdue University, West Lafayette, IN, 47907, USA; School of Materials Engineering, Purdue University, West Lafayette, IN, 47907, USA; Elmore Family School of Electrical and Computer Engineering, Purdue University, West Lafayette, IN, 47907, USA.
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3
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Rasheed T, Ahmad T, Khan S, Ferry DB, Sher F, Ali A, Majeed S. Graphitic carbon nitride derived probes for the recognition of heavy metal pollutants of environmental concern in water bodies. ENVIRONMENTAL MONITORING AND ASSESSMENT 2023; 195:1142. [PMID: 37665398 DOI: 10.1007/s10661-023-11792-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Accepted: 08/24/2023] [Indexed: 09/05/2023]
Abstract
Graphitic carbon nitride (g-CN) has a number of valuable features that have been recognized during the studies related to its photocatalytic activity enhancement derived by visible light. Because of these characteristics, g-CN can be used as a detecting signal transducer with different transmission modalities. The latest up-to-date detection capabilities of modified g-CN nanoarchitectures are covered in this study. The structural features and synthetic methodologies have been discussed in a number of reports. Herein, employment of the g-CN as a promising probing modality for the recognition of different toxic heavy metals is the promising feature of the present study.
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Affiliation(s)
- Tahir Rasheed
- Interdisciplinary Research Center for Advanced Materials, King Fahd University of Petroleum and Minerals (KFUPM), 31261, Dhahran, Saudi Arabia.
| | - Tauqir Ahmad
- Center for Advanced Specialty Chemicals, Korea Research, Institute of Chemical Technology (KRICT) , Ulsan, 44412, Republic of Korea
| | - Sardaraz Khan
- Chemistry Department, King Fahd University of Petroleum and Minerals, 31261, Dhahran, Saudi Arabia
| | - Darim Badur Ferry
- Interdisciplinary Research Center for Advanced Materials, King Fahd University of Petroleum and Minerals (KFUPM), 31261, Dhahran, Saudi Arabia
| | - Farooq Sher
- Department of Engineering, School of Science and Technology, Nottingham Trent University, Nottingham, NG11 8NS, UK
| | - Amjad Ali
- Institute of Chemistry, University of Silesia, Szkolna 9, 40-006, Katowice, Poland
| | - Saadat Majeed
- Division of Analytical Chemistry, Institute of Chemical Sciences, Bahauddin Zakariya University, Multan, 60800, Pakistan.
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Yang G, Chen Y, Shi R, Chen R, Gao S, Zhang X, Rao Y, Lu Y, Peng Y, Qing Z, Song C. Platinum Nanoparticles Loaded Graphitic Carbon Nitride Nanosheets with Enhanced Peroxidase-like Activity for H 2O 2 and Oxidase-Based Sensing. Molecules 2023; 28:molecules28093736. [PMID: 37175146 PMCID: PMC10179752 DOI: 10.3390/molecules28093736] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 04/08/2023] [Accepted: 04/17/2023] [Indexed: 05/15/2023] Open
Abstract
Platinum nanoparticles (PtNPs) are classical peroxidase-like nanozyme; self-agglomeration of nanoparticles leads to the undesirable reduction in stability and catalytic activity. Herein, a hybrid peroxidase-like nanocatalyst consisting of PtNPs in situ growing on g-C3N4 nanosheets with enhanced peroxidase-mimic catalytic activity (PtNP@g-C3N4 nanosheets) was prepared for H2O2 and oxidase-based colorimetric assay. g-C3N4 nanosheets can be used as carriers to solve the problem of poor stability of PtNPs. We observed that the catalytic ability could be maintained for more than 90 days. PtNP@g-C3N4 nanosheets could quickly catalyze the oxidation of 3,3',5,5'-tetramethylbenzidine (TMB), and the absorbance of blue color oxidized TMB (oxTMB) showed a robust linear relationship with the concentration of H2O2 (the detection limit (LOD): 3.33 μM). By utilizing H2O2 as a mediator, this strategy can be applied to oxidase-based biomolecules (glucose, organophosphorus, and so on, that generate or consume hydrogen peroxide) sensing. As a proof of concept, a sensitive assay of cholesterol that combined PtNP@g-C3N4 nanosheets with cholesterol oxidase (ChOx) cascade catalytic reaction was constructed with an LOD of 9.35 μM in a widespread range from 10 to 800 μM (R2 = 0.9981). In addition, we also verified its ability to detect cholesterol in fetal bovine serum. These results showed application prospect of PtNP@g-C3N4 nanosheets-based colorimetry in sensing and clinical medical detection.
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Affiliation(s)
- Gege Yang
- Department of Applied Chemistry, School of Science, Key Laboratory of Agricultural Sensors, Ministry of Agriculture and Rural Affairs, Anhui Agricultural University, Hefei 230036, China
- Hunan Provincial Key Laboratory of Cytochemistry, Changsha University of Science and Technology, Changsha 410114, China
| | - Ying Chen
- Department of Applied Chemistry, School of Science, Key Laboratory of Agricultural Sensors, Ministry of Agriculture and Rural Affairs, Anhui Agricultural University, Hefei 230036, China
| | - Rui Shi
- School of Life Sciences, Anhui Agricultural University, Hefei 230036, China
| | - Rongrong Chen
- School of Life Sciences, Anhui Agricultural University, Hefei 230036, China
| | - Shanshan Gao
- Department of Applied Chemistry, School of Science, Key Laboratory of Agricultural Sensors, Ministry of Agriculture and Rural Affairs, Anhui Agricultural University, Hefei 230036, China
| | - Xin Zhang
- Department of Applied Chemistry, School of Science, Key Laboratory of Agricultural Sensors, Ministry of Agriculture and Rural Affairs, Anhui Agricultural University, Hefei 230036, China
| | - Yuan Rao
- Department of Applied Chemistry, School of Science, Key Laboratory of Agricultural Sensors, Ministry of Agriculture and Rural Affairs, Anhui Agricultural University, Hefei 230036, China
| | - Ying Lu
- Department of Applied Chemistry, School of Science, Key Laboratory of Agricultural Sensors, Ministry of Agriculture and Rural Affairs, Anhui Agricultural University, Hefei 230036, China
| | - Yuancheng Peng
- School of Life Sciences, Anhui Agricultural University, Hefei 230036, China
| | - Zhihe Qing
- Hunan Provincial Key Laboratory of Cytochemistry, Changsha University of Science and Technology, Changsha 410114, China
| | - Chunxia Song
- Department of Applied Chemistry, School of Science, Key Laboratory of Agricultural Sensors, Ministry of Agriculture and Rural Affairs, Anhui Agricultural University, Hefei 230036, China
- Hunan Provincial Key Laboratory of Cytochemistry, Changsha University of Science and Technology, Changsha 410114, 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: 3.5] [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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6
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Deka MJ. Recent advances in fluorescent 0D carbon nanomaterials as artificial nanoenzymes for optical sensing applications. INTERNATIONAL NANO LETTERS 2022. [DOI: 10.1007/s40089-022-00381-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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7
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Pt nanoclusters based on N, S co-doped graphene quantum dots as a smart probe for ultrasensitive Ag+ sensing. Microchem J 2022. [DOI: 10.1016/j.microc.2022.107827] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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8
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Sample-in-answer-out colorimetric detection of Salmonella typhimurium using non-enzymatic cascade amplification. Anal Chim Acta 2022; 1218:339850. [DOI: 10.1016/j.aca.2022.339850] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Revised: 04/13/2022] [Accepted: 04/16/2022] [Indexed: 01/03/2023]
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9
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Li X, Zhu H, Liu P, Wang M, Pan J, Qiu F, Ni L, Niu X. Realizing selective detection with nanozymes: Strategies and trends. Trends Analyt Chem 2021. [DOI: 10.1016/j.trac.2021.116379] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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10
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Chen CY, Tan YZ, Hsieh PH, Wang CM, Shibata H, Maejima K, Wang TY, Hiruta Y, Citterio D, Liao WS. Metal-Free Colorimetric Detection of Pyrophosphate Ions by Inhibitive Nanozymatic Carbon Dots. ACS Sens 2020; 5:1314-1324. [PMID: 32323526 DOI: 10.1021/acssensors.9b02486] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The pyrophosphate ion (P2O74-, PPi) plays a critical role in various biological processes and acts as an essential indicator for physiological mechanism investigations and disease control monitoring. However, most of the currently available approaches for PPi species detection for practical usage still lack appropriate indicator generation, straightforward detection requirements, and operation convenience. In this study, a highly sensitive and selective PPi detection approach via the use of nanozymatic carbon dots (CDs) is introduced. This strategy eliminates the common need for metal ions in the detection process, where a direct indicator-PPi interaction is adopted to provide straightforward signal reports, and importantly, through a green indicator preparation. The preparation of this nanozymatic CDs' indicator utilizes an aqueous solution refluxing, employing galactose and histidine as the precursor materials. The mild conditions of the solution refluxing produce fluorescent CDs exhibiting peroxidase-mimic properties, which can catalyze the o-phenylenediamine oxidation under the presence of H2O2. The introduction of PPi species, interestingly, inhibits this process very efficiently, the extent of which can be colorimetrically monitored by the generated yellow product 2,3-diaminophenazine. Spectroscopic results point to CD surface functional groups' selective binding toward PPi species, which severely interferes with the electron transfer process in the enzymatic catalysis. Relying on this CD peroxidase-mimetic property inhibition, sensitive and selective recognition of PPi reaches a detection limit of 4.29 nM, enabling practical usage in complex matrixes. Owing to the superior compatibility and high stability of nanozymatic CDs, they can also be inkjet-printed on paper-based devices to create a portable and convenient platform for PPi detection. Both the solution and the paper-device-based selective recognitions confirm this unique and robust metal-free inhibitive PPi detection, which is supported by a convenient green preparation of nanozymatic CDs.
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Affiliation(s)
- Chong-You Chen
- Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan
- Material and Chemical Research Laboratories, Industrial Technology Research Institute, Hsinchu 30011, Taiwan
| | - Ying Zi Tan
- Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan
| | - Ping-Hsuan Hsieh
- Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan
| | - Chang-Ming Wang
- Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan
| | - Hiroyuki Shibata
- Department of Applied Chemistry, Keio University, Yokohama 223-8522, Japan
| | - Kento Maejima
- Department of Applied Chemistry, Keio University, Yokohama 223-8522, Japan
| | - Ting-Yi Wang
- Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan
| | - Yuki Hiruta
- Department of Applied Chemistry, Keio University, Yokohama 223-8522, Japan
| | - Daniel Citterio
- Department of Applied Chemistry, Keio University, Yokohama 223-8522, Japan
| | - Wei-Ssu Liao
- Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan
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11
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Rosette-shaped graphitic carbon nitride acts as a peroxidase mimic in a wide pH range for fluorescence-based determination of glucose with glucose oxidase. Mikrochim Acta 2020; 187:286. [PMID: 32328802 DOI: 10.1007/s00604-020-04249-z] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2019] [Accepted: 03/30/2020] [Indexed: 12/21/2022]
Abstract
Rosette-shaped graphitic carbon nitride (rosette-GCN) is described as a promising alternative to natural peroxidase for its application to fluorescence-based glucose assays. Rosette-GCN was synthesized via a rapid reaction between melamine and cyanuric acid for 10 min at 35 °C, followed by thermal calcination for 4 h. Importantly, rosette-GCN possesses a peroxidase-like activity, producing intense fluorescence from the oxidation of Amplex UltraRed in the presence of H2O2 over a broad pH-range of, including neutral pH; the peroxidase activity of rosette-GCN was ~ 10-fold higher than that of conventional bulk-GCN. This enhancement of peroxidase activity is presumed to occur because rosette-GCN has a significantly larger surface area and higher porosity while preserving its unique graphitic structure. Based on the high peroxidase activity of rosette-GCN along with the catalytic action of glucose oxidase (GOx), glucose was reliably determined down to 1.2 μM with a dynamic linear concentration range of 5.0 to 275.0 μM under neutral pH conditions. Practical utility of this strategy was also successfully demonstrated by determining the glucose levels in serum samples. This work highlights the advantages of GCNs synthesized via rapid methods but with unique structures for the preparation of enzyme-mimicking catalysts, thus extending their applications to the diagnostics field and other biotechnological fields. Graphical abstract.
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12
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Mazhani M, Alula MT, Murape D. Development of a cysteine sensor based on the peroxidase-like activity of AgNPs@ Fe 3O 4 core-shell nanostructures. Anal Chim Acta 2020; 1107:193-202. [PMID: 32200894 DOI: 10.1016/j.aca.2020.02.021] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Revised: 02/07/2020] [Accepted: 02/09/2020] [Indexed: 01/19/2023]
Abstract
In this study, a facile one step solvo-thermal procedure has been employed in generating magnetite-silver core-shell nanocomposites (AgNPs@ Fe3O4) with superior peroxidase-like catalytic property than bare magnetic nanoparticles (Fe3O4). The composites were characterized using different techniques such as transmission electron microscopy (TEM), scanning electron microscopy (SEM), X-ray diffraction (XRD), and surface-enhanced infrared absorption spectroscopy (SEIRA). In the presence of hydrogen peroxide, the synthesized composites were able to oxidize the colorless o-phenylenediamine (OPD) to a yellow colour 2, 3-diaminophenazine (DAP) with a better peroxidase-like activity than Fe3O4 alone. The obtained Km value of AgNPs@ Fe3O4 with H2O2 and OPD substrates are 28.0 mM and 2.91 mM respectively. These are substantially lower than previously reported values and indicate the strong binding affinity of the substrates towards AgNPs@ Fe3O4 nanocomposites. Based on the obstruction activity of cysteine on the peroxidase-like catalytic property of the nanocomposites, a sensor was developed for detection of cystein with a limit of detection as low as 87 nM and a wider range of linearity. The sensor also exhibited excellent selectivity against potentially interfering molecules.
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Affiliation(s)
- Micode Mazhani
- Department of Physics and Astronomy, Faculty of Sciences, Botswana International University of Science and Technology, Plot 10071, Private Bag 16, Palapye, Botswana
| | - Melisew Tadele Alula
- Department of Chemical and Forensic Sciences, Faculty of Sciences, Botswana International University of Science and Technology, Plot 10071, Private Bag 16, Palapye, Botswana.
| | - Davison Murape
- Department of Physics and Astronomy, Faculty of Sciences, Botswana International University of Science and Technology, Plot 10071, Private Bag 16, Palapye, Botswana
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14
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Fluorometric detection of silver(I) using cytosine-Ag(I)-cytosine pair formation, DNA assembly and the AND logic operation of a multiple-component DNAzyme. Mikrochim Acta 2019; 186:522. [DOI: 10.1007/s00604-019-3615-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Accepted: 06/14/2019] [Indexed: 02/07/2023]
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15
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Wang Y, Liu RL, Chen GN, Wang L, Yu P, Shu H, Bashir K, Fu Q. Hemin-porous g-C3N4 hybrid nanosheets as an efficient peroxidase mimic for colorimetric and visual determination of glucose. Mikrochim Acta 2019; 186:446. [DOI: 10.1007/s00604-019-3564-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2019] [Accepted: 05/28/2019] [Indexed: 01/01/2023]
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16
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Kaur H, Shorie M. Nanomaterial based aptasensors for clinical and environmental diagnostic applications. NANOSCALE ADVANCES 2019; 1:2123-2138. [PMID: 36131986 PMCID: PMC9418768 DOI: 10.1039/c9na00153k] [Citation(s) in RCA: 56] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Accepted: 04/28/2019] [Indexed: 05/06/2023]
Abstract
Nanomaterials have been exploited extensively to fabricate various biosensors for clinical diagnostics and food & environmental monitoring. These materials in conjugation with highly specific aptamers (next-gen antibody mimics) have enhanced the selectivity, sensitivity and rapidness of the developed aptasensors for numerous targets ranging from small molecules such as heavy metal ions to complex matrices containing large entities like cells. In this review, we highlight the recent advancements in nanomaterial based aptasensors from the past five years also including the basics of conventionally used detection methodologies that paved the way for futuristic sensing techniques. The aptasensors have been categorised based upon these detection techniques and their modifications viz., colorimetric, fluorometric, Raman spectroscopy, electro-chemiluminescence, voltammetric, impedimetric and mechanical force-based sensing of a multitude of targets are discussed in detail. The bio-interaction of these numerous nanomaterials with the aptameric component and that of the complete aptasensor with the target have been studied in great depth. This review thus acts as a compendium for nanomaterial based aptasensors and their applications in the field of clinical and environmental diagnosis.
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Affiliation(s)
- Harmanjit Kaur
- Institute of Nano Science and Technology Mohali 160062 India
| | - Munish Shorie
- Institute of Nano Science and Technology Mohali 160062 India
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17
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Zhang Y, Dai C, Liu W, Wang Y, Ding F, Zou P, Wang X, Zhao Q, Rao H. Ultrathin films of a metal-organic framework prepared from 2-methylimidazole, manganese(II) and cobalt(II) with strong oxidase-mimicking activity for colorimetric determination of glutathione and glutathione reductase activity. Mikrochim Acta 2019; 186:340. [DOI: 10.1007/s00604-019-3434-5] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Accepted: 04/10/2019] [Indexed: 10/26/2022]
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18
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Lin L, Xiao Y, Wang Y, Zeng Y, Lin Z, Chen X. Hydrothermal synthesis of nitrogen and copper co-doped carbon dots with intrinsic peroxidase-like activity for colorimetric discrimination of phenylenediamine isomers. Mikrochim Acta 2019; 186:288. [DOI: 10.1007/s00604-019-3404-y] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2018] [Accepted: 04/02/2019] [Indexed: 10/27/2022]
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19
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Colorimetric DNA assay by exploiting the DNA-controlled peroxidase mimicking activity of mesoporous silica loaded with platinum nanoparticles. Mikrochim Acta 2018; 185:544. [PMID: 30421071 DOI: 10.1007/s00604-018-3026-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2018] [Accepted: 09/24/2018] [Indexed: 11/27/2022]
Abstract
A nanozyme composed of mesoporous silica and platinum nanoparticles (MS-PtNPs) was synthesized and is shown to display peroxidase-like activity. Its activity can be controlled by loading with single-stranded DNA. The PtNPs on the MS are homogeneously distributed and act as enzyme mimics. The adsorption of DNA probe on the MS blocks the nucleation sites of PtNPs. This leads to a decrease in the peroxidase-mimicking activity. After introduction of target DNA that is complementary to the DNA probe, the activity of the nanozyme is recovered. By using the 3,3,5,5-tetramethylbenzidine/H2O2 chromogenic system, a rapid method was developed for colorimetric determination of DNA. The assay, best performed at 450 nm, has a linear response in the 5 nM to 100 nM DNA concentration range and a 2.6 nM detection limit. It possesses high selectivity and can distinguish even a single-base mismatch. Graphical abstract The peroxidase-like activity of mesoporous silica and platinum nanoparticles (MS-PtNPs) was depressed when noncovalent ssDNA-MS was in-situ deposited on the PtNPs. After introduction of target DNA, the complementary dsDNA releases from the MS, and then its activity is recovered.
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