1
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Li S, Sun Z, He Z, Liu M. Colorimetric aptasensor based on peroxidase-mimetic metal-organic framework nanoparticles and magnetic carbon dots for visual detection of Staphylococcus aureus. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2024; 16:6538-6545. [PMID: 39248651 DOI: 10.1039/d4ay01044b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/10/2024]
Abstract
A colorimetric aptasensor based on the dual recognition of magnetic carbon dots (M-CDs) and copper-based metal-organic frameworks (Cu-MOFs) was constructed for the visual detection of Staphylococcus aureus (S. aureus). Aptamer-modified Cu-MOFs could specifically identify target bacteria and exhibited peroxidase-like activity by catalyzing the colorimetric reaction of the 3,3',5,5'-tetramethylbenzidine-H2O2 (TMB-H2O2) system. M-CDs electrostatically attracted bacteria because of their strong positive electrical properties and offered better capturing performance compared with magnetic beads owing to their smaller size. Visual detection of the target was achieved using the color change of the reaction catalyzed by the resuspension of the sandwich-structured complex. The bacteria were sensitively detected with a limit of detection (LOD) of 1 CFU mL-1 using the peroxidase catalytic activity of Cu-MOFs. Non-target bacteria produced negative results, demonstrating the excellent selectivity of the proposed aptasensor. The strategy showed good recovery in real sample detection, showing great potential for visual monitoring of pathogenic bacteria, and could provide a reference for further development of novel sensing platforms for bacterial detection.
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Affiliation(s)
- Shanglin Li
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an 710119, China.
| | - Zhaomeng Sun
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an 710119, China.
| | - Ziyang He
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an 710119, China.
| | - Mei Liu
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an 710119, China.
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2
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Yang M, Wang Z, Su M, Zhu S, Xie Y, Ying B. Smart Nanozymes for Diagnosis of Bacterial Infection: The Next Frontier from Laboratory to Bedside Testing. ACS APPLIED MATERIALS & INTERFACES 2024; 16:44361-44375. [PMID: 39162136 DOI: 10.1021/acsami.4c07043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/21/2024]
Abstract
The global spread of infectious diseases caused by pathogenic bacteria significantly poses public health concerns, and methods for sensitive, selective, and facile diagnosis of bacteria can efficiently prevent deterioration and further spreading of the infections. The advent of nanozymes has broadened the spectrum of alternatives for diagnosing bacterial infections. Compared to natural enzymes, nanozymes exhibit the same enzymatic characteristics but offer greater economic efficiency, enhanced durability, and adjustable dimensions. The importance of early diagnosis of bacterial infection and conventional diagnostic approaches is introduced. Subsequently, the review elucidates the definition, properties, and catalytic mechanism of nanozymes. Eventually, the detailed application of nanozymes in detecting bacteria is explored, highlighting their utilization as biosensors that allow for accelerated and highly sensitive identification of bacterial infections and reflecting on the potential of nanozyme-based bacterial detection as a point-of-care testing (POCT) tool. A brief summary of obstacles and future perspectives in this field is presented at the conclusion of this review.
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Affiliation(s)
- Mei Yang
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Zhonghao Wang
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Mi Su
- Functional Science Laboratory, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, Sichuan 610041, China
| | - Shuairu Zhu
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Yi Xie
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Binwu Ying
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
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3
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Qin J, Guo N, Yang J, Wei J. Recent advances in metal oxide nanozyme-based optical biosensors for food safety assays. Food Chem 2024; 447:139019. [PMID: 38520903 DOI: 10.1016/j.foodchem.2024.139019] [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: 12/04/2023] [Revised: 03/08/2024] [Accepted: 03/10/2024] [Indexed: 03/25/2024]
Abstract
Metal oxide nanozymes are emerging as promising materials for food safety detection, offering several advantages over natural enzymes, including superior stability, cost-effectiveness, large-scale production capability, customisable functionality, design options, and ease of modification. Optical biosensors based on metal oxide nanozymes have significantly accelerated the advancement of analytical research, facilitating the rapid, effortless, efficient, and precise detection and characterisation of contaminants in food. However, few reviews have focused on the application of optical biosensors based on metal oxide nanozymes for food safety detection. In this review, the catalytic mechanisms of the catalase, oxidase, peroxidase, and superoxide dismutase activities of metal oxide nanozymes are characterized. Research developments in optical biosensors based on metal oxide nanozymes, including colorimetric, fluorescent, chemiluminescent, and surface-enhanced Raman scattering biosensors, are comprehensively summarized. The application of metal oxide nanozyme-based biosensors for the detection of nitrites, sulphites, metal ions, pesticides, antibiotics, antioxidants, foodborne pathogens, toxins, and other food contaminants has been highlighted. Furthermore, the challenges and future development prospects of metal oxide nanozymes for sensing applications are discussed. This review offers insights and inspiration for further investigations on optical biosensors based on metal oxide nanozymes for food safety detection.
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Affiliation(s)
- Jing Qin
- College of Advanced Materials Engineering, Jiaxing Nanhu University, Jiaxing 314001, China.
| | - Ningning Guo
- College of Advanced Materials Engineering, Jiaxing Nanhu University, Jiaxing 314001, China
| | - Jia Yang
- College of Advanced Materials Engineering, Jiaxing Nanhu University, Jiaxing 314001, China
| | - Jing Wei
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, Institute of Analytical Chemistry and Instrument for Life Science, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an 710049, China.
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4
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Ali S, Sikdar S, Basak S, Mondal M, Tudu A, Roy D, Haydar MS, Ghosh S, Rahaman H, Sil S, Roy MN. Multienzyme Mimicking Cascade Mn 3O 4 Catalyst to Augment Reactive Oxygen Species Elimination and Colorimetric Detection: A Study of Phase Variation upon Calcination Temperature. Inorg Chem 2024; 63:10542-10556. [PMID: 38805686 DOI: 10.1021/acs.inorgchem.4c00883] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/30/2024]
Abstract
Over decades, nanozyme has served as a better replacement of bioenzymes and fulfills most of the shortcomings and intrinsic disadvantages of bioenzymes. Recently, manganese-based nanomaterials have been highly noticed for redox-modulated multienzyme mimicking activity and wide applications in biosensing and biomedical science. The redox-modulated multienzyme mimicking activity was highly in tune with their size, surface functionalization, and charge on the surface and phases. On the subject of calcination temperature to Mn3O4 nanoparticles (NPs), its phase has been transformed to Mn2O3 NPs and Mn5O8 NPs upon different calcination temperatures. Assigning precise structure-property connections is made easier by preparing the various manganese oxides in a single step. The present study has focused on the variation of multienzyme mimicking activity with different phases of Mn3O4 NPs, so that they can be equipped for multifunctional activity with greater potential. Herein, spherical Mn3O4 NPs have been synthesized via a one-step coprecipitation method, and other phases are obtained by direct calcination. The calcination temperature varies to 100, 200, 400, and 600 °C and the corresponding manganese oxide NPs are named M-100, M-200, M-400, and M-600, respectively. The phase transformation and crystalline structure are evaluated by powder X-ray diffraction and selected-area electron diffraction analysis. The different surface morphologies are easily navigated by Fourier transform infrared, field-emission scanning electron microscopy, and high-resolution transmission electron microscopy analysis. Fortunately, for the mixed valence state of Mn3O4 NPs, all phases of manganese oxide NPs showed multienzyme mimicking activity including superoxide dismutase (SOD), catalase, oxidase (OD), and peroxidase; therefore, it offers a synergistic antioxidant ability to overexpose reactive oxygen species. Mn3O4 NPs exhibited good SOD-like enzyme activity, which allowed it to effectively remove the active oxygen (O2•-) from cigarette smoke. A sensitive colorimetric sensor with a low detection limit and a promising linear range has been designed to detect two isomeric phenolic pollutants, hydroquinone (H2Q) and catechol (CA), by utilizing optimized OD activity. The current probe has outstanding sensitivity and selectivity as well as the ability to visually detect two isomers with the unaided eye.
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Affiliation(s)
- Salim Ali
- Department of Chemistry, University of North Bengal, Darjeeling 734013, India
| | - Suranjan Sikdar
- Department of Chemistry, Government General Degree College at Kushmandi, Dakshin Dinajpur 733125, India
| | - Shatarupa Basak
- Department of Chemistry, University of North Bengal, Darjeeling 734013, India
| | - Modhusudan Mondal
- Department of Chemistry, University of North Bengal, Darjeeling 734013, India
| | - Ajit Tudu
- Department of Chemistry, University of North Bengal, Darjeeling 734013, India
| | - Debadrita Roy
- Department of Chemistry, University of North Bengal, Darjeeling 734013, India
| | - Md Salman Haydar
- Department of Botany, University of North Bengal, Darjeeling 734013, India
| | - Shibaji Ghosh
- CSIR Central Salt and Marine Chemical Research Institute, G. B. Marg Bhavnagar, Gujrat 364002, India
| | - Habibur Rahaman
- A. P. C. Roy Government College Matigara, Siliguri, Darjeeling 734010, India
| | - Sanchita Sil
- Defence Bioengineering and Electromedical Laboratory, C. V. Raman Nagar, Bangalore 560093, India
| | - Mahendra Nath Roy
- Department of Chemistry, University of North Bengal, Darjeeling 734013, India
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Tamura A, Azam AH, Nakamura T, Lee K, Iyoda S, Kondo K, Ojima S, Chihara K, Yamashita W, Cui L, Akeda Y, Watashi K, Takahashi Y, Yotsuyanagi H, Kiga K. Synthetic phage-based approach for sensitive and specific detection of Escherichia coli O157. Commun Biol 2024; 7:535. [PMID: 38710842 DOI: 10.1038/s42003-024-06247-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Accepted: 04/25/2024] [Indexed: 05/08/2024] Open
Abstract
Escherichia coli O157 can cause foodborne outbreaks, with infection leading to severe disease such as hemolytic-uremic syndrome. Although phage-based detection methods for E. coli O157 are being explored, research on their specificity with clinical isolates is lacking. Here, we describe an in vitro assembly-based synthesis of vB_Eco4M-7, an O157 antigen-specific phage with a 68-kb genome, and its use as a proof of concept for E. coli O157 detection. Linking the detection tag to the C-terminus of the tail fiber protein, gp27 produces the greatest detection sensitivity of the 20 insertions sites tested. The constructed phage detects all 53 diverse clinical isolates of E. coli O157, clearly distinguishing them from 35 clinical isolates of non-O157 Shiga toxin-producing E. coli. Our efficient phage synthesis methods can be applied to other pathogenic bacteria for a variety of applications, including phage-based detection and phage therapy.
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Affiliation(s)
- Azumi Tamura
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo, Japan
- Division of Infectious Diseases, Advanced Clinical Research Center, The Institute of Medical Science, The University of Tokyo, Minato-ku, Tokyo, Japan
| | - Aa Haeruman Azam
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo, Japan
| | - Tomohiro Nakamura
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo, Japan
| | - Kenichi Lee
- Department of Bacteriology I, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo, Japan
| | - Sunao Iyoda
- Department of Bacteriology I, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo, Japan
| | - Kohei Kondo
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo, Japan
| | - Shinjiro Ojima
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo, Japan
| | - Kotaro Chihara
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo, Japan
| | - Wakana Yamashita
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo, Japan
- Department of Life Science and Medical Bioscience, Waseda University, Shinjuku-ku, Tokyo, Japan
| | - Longzhu Cui
- Division of Bacteriology, Department of Infection and Immunity, School of Medicine, Jichi Medical University, Shimotsuke-shi, Tochigi, Japan
| | - Yukihiro Akeda
- Department of Bacteriology I, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo, Japan
| | - Koichi Watashi
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo, Japan
| | - Yoshimasa Takahashi
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo, Japan
- Department of Life Science and Medical Bioscience, Waseda University, Shinjuku-ku, Tokyo, Japan
| | - Hiroshi Yotsuyanagi
- Division of Infectious Diseases, Advanced Clinical Research Center, The Institute of Medical Science, The University of Tokyo, Minato-ku, Tokyo, Japan
| | - Kotaro Kiga
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo, Japan.
- Division of Bacteriology, Department of Infection and Immunity, School of Medicine, Jichi Medical University, Shimotsuke-shi, Tochigi, Japan.
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6
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Liu X, Wang N, Hou Y, Dong H, Liang W, Li X, Yuan Y. A highly sensitive ratiometric fluorescence immunoassay based on bioorthogonal nanozymes. Chem Commun (Camb) 2024; 60:3978-3981. [PMID: 38502001 DOI: 10.1039/d4cc00731j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/20/2024]
Abstract
We designed a novel ratiometric fluorescence immunoassay based on bioorthogonal nanozymes for carcinoembryonic antigen detection. The analytical performance of our designed immunoassay showed a wide linear range, a low detection limit, good reproducibility, selectivity and stability. Thus, bioorthogonal nanozymes hold great potential applications in clinical diagnoses.
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Affiliation(s)
- Xiajian Liu
- School of Biomedical Sciences and Engineering, Guangzhou International Campus, South China University of Technology, Guangzhou, 511442, P. R. China.
| | - Nianhua Wang
- Department of Radiology, The First Affiliated Hospital of Guangzhou Medical University, Yanjiangxilu No 151, Guangzhou, 510120, China.
| | - Yixuan Hou
- School of Biomedical Sciences and Engineering, Guangzhou International Campus, South China University of Technology, Guangzhou, 511442, P. R. China.
| | - He Dong
- School of Biomedical Sciences and Engineering, Guangzhou International Campus, South China University of Technology, Guangzhou, 511442, P. R. China.
| | - Wenhua Liang
- Department of Radiology, The First Affiliated Hospital of Guangzhou Medical University, Yanjiangxilu No 151, Guangzhou, 510120, China.
| | - Xinchun Li
- Department of Radiology, The First Affiliated Hospital of Guangzhou Medical University, Yanjiangxilu No 151, Guangzhou, 510120, China.
| | - Youyong Yuan
- School of Biomedical Sciences and Engineering, Guangzhou International Campus, South China University of Technology, Guangzhou, 511442, P. R. China.
- National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou 510006, P. R. China
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7
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Xu R, Xu Q. A Survey of Recent Developments in Magnetic Microrobots for Micro-/Nano-Manipulation. MICROMACHINES 2024; 15:468. [PMID: 38675279 PMCID: PMC11052276 DOI: 10.3390/mi15040468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Revised: 03/23/2024] [Accepted: 03/28/2024] [Indexed: 04/28/2024]
Abstract
Magnetically actuated microrobots have become a research hotspot in recent years due to their tiny size, untethered control, and rapid response capability. Moreover, an increasing number of researchers are applying them for micro-/nano-manipulation in the biomedical field. This survey provides a comprehensive overview of the recent developments in magnetic microrobots, focusing on materials, propulsion mechanisms, design strategies, fabrication techniques, and diverse micro-/nano-manipulation applications. The exploration of magnetic materials, biosafety considerations, and propulsion methods serves as a foundation for the diverse designs discussed in this review. The paper delves into the design categories, encompassing helical, surface, ciliary, scaffold, and biohybrid microrobots, with each demonstrating unique capabilities. Furthermore, various fabrication techniques, including direct laser writing, glancing angle deposition, biotemplating synthesis, template-assisted electrochemical deposition, and magnetic self-assembly, are examined owing to their contributions to the realization of magnetic microrobots. The potential impact of magnetic microrobots across multidisciplinary domains is presented through various application areas, such as drug delivery, minimally invasive surgery, cell manipulation, and environmental remediation. This review highlights a comprehensive summary of the current challenges, hurdles to overcome, and future directions in magnetic microrobot research across different fields.
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Affiliation(s)
| | - Qingsong Xu
- Department of Electromechanical Engineering, Faculty of Science and Technology, University of Macau, Avenida da Universidade, Taipa, Macau, China;
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8
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Hong B, Wang W, Li Y, Ma Y, Wang J. Specific separation and sensitive detection of foodborne pathogens by phage-derived bacterial-binding protein-nano magnetic beads coupled with smartphone-assisted paper sensor. Biosens Bioelectron 2024; 247:115911. [PMID: 38118305 DOI: 10.1016/j.bios.2023.115911] [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: 11/01/2023] [Revised: 11/30/2023] [Accepted: 12/02/2023] [Indexed: 12/22/2023]
Abstract
Foodborne pathogen infection poses a significant threat to public health and is considered as one of the most serious hazards in global food safety. Herein, a sensitive and efficient method for on-site monitoring of foodborne pathogens was developed by using a smartphone-assisted paper-sensor combined with phage-derived bacterial-binding proteins-nano magnetic beads (PBPs-MBs). PBPs including tail fiber protein (TFP:gp13), cell-wall binding domain (CBD) of endolysin and tailspike protein (TSP) coated on the surface of MBs were applied for rapid separation and enrichment of targeted bacteria (Escherichia coli O157:H7, Staphylococcus aureus and Salmonella typhimurium, respectively) from food samples in 20 min before detection on paper-based sensors. The paper-based sensor was loaded with the lytic agent (polymyxin B) to induce bacterial lysis and release specific endogenous enzymes. Subsequently, three distinct chromogenic substrates were hydrolyzed by their corresponding enzymes, resulting in characteristic color changes on the paper, respectively. In addition, a smartphone APP for red-green-blue (RGB) color analysis of paper was able to directly detect three foodborne pathogens. As a result, the limit of detection (LOD) values for three foodborne pathogens were found to be 2.44 × 102, 2.68 × 104 and 4.62 × 103 CFU/mL, respectively, which were much lower than other studies (106-108 CFU/mL) based on enzymes. Moreover, the feasibility of this approach was further assessed through the successful detection of targeted bacteria in real samples with satisfactory recovery rates. In conclusion, this smartphone-assisted biosensor offers promising application potential for point-of-care testing (POCT) of foodborne pathogens in resource-scarce areas.
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Affiliation(s)
- Bin Hong
- School of Biology and Biological Engineering, South China University of Technology, Guangzhou, 510006, China
| | - Wenhai Wang
- School of Biology and Biological Engineering, South China University of Technology, Guangzhou, 510006, China
| | - Yanmei Li
- School of Biology and Biological Engineering, South China University of Technology, Guangzhou, 510006, China
| | - Yi Ma
- School of Biology and Biological Engineering, South China University of Technology, Guangzhou, 510006, China; Guangdong Provincial Key Laboratory of Fermentation and Enzyme Engineering, South China University of Technology, Guangzhou, China.
| | - Jufang Wang
- School of Biology and Biological Engineering, South China University of Technology, Guangzhou, 510006, China; Guangdong Provincial Key Laboratory of Fermentation and Enzyme Engineering, South China University of Technology, Guangzhou, China.
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Petrenko VA. Phage Display's Prospects for Early Diagnosis of Prostate Cancer. Viruses 2024; 16:277. [PMID: 38400052 PMCID: PMC10892688 DOI: 10.3390/v16020277] [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: 12/30/2023] [Revised: 02/05/2024] [Accepted: 02/05/2024] [Indexed: 02/25/2024] Open
Abstract
Prostate cancer (PC) is the second most diagnosed cancer among men. It was observed that early diagnosis of disease is highly beneficial for the survival of cancer patients. Therefore, the extension and increasing quality of life of PC patients can be achieved by broadening the cancer screening programs that are aimed at the identification of cancer manifestation in patients at earlier stages, before they demonstrate well-understood signs of the disease. Therefore, there is an urgent need for standard, sensitive, robust, and commonly available screening and diagnosis tools for the identification of early signs of cancer pathologies. In this respect, the "Holy Grail" of cancer researchers and bioengineers for decades has been molecular sensing probes that would allow for the diagnosis, prognosis, and monitoring of cancer diseases via their interaction with cell-secreted and cell-associated PC biomarkers, e.g., PSA and PSMA, respectively. At present, most PSA tests are performed at centralized laboratories using high-throughput total PSA immune analyzers, which are suitable for dedicated laboratories and are not readily available for broad health screenings. Therefore, the current trend in the detection of PC is the development of portable biosensors for mobile laboratories and individual use. Phage display, since its conception by George Smith in 1985, has emerged as a premier tool in molecular biology with widespread application. This review describes the role of the molecular evolution and phage display paradigm in revolutionizing the methods for the early diagnosis and monitoring of PC.
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Affiliation(s)
- Valery A Petrenko
- Department of Pathobiology, College of Veterinary Medicine, Auburn University, Auburn, AL 36849, USA
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10
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Li J, Cai X, Jiang P, Wang H, Zhang S, Sun T, Chen C, Fan K. Co-based Nanozymatic Profiling: Advances Spanning Chemistry, Biomedical, and Environmental Sciences. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2307337. [PMID: 37724878 DOI: 10.1002/adma.202307337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 09/12/2023] [Indexed: 09/21/2023]
Abstract
Nanozymes, next-generation enzyme-mimicking nanomaterials, have entered an era of rational design; among them, Co-based nanozymes have emerged as captivating players over times. Co-based nanozymes have been developed and have garnered significant attention over the past five years. Their extraordinary properties, including regulatable enzymatic activity, stability, and multifunctionality stemming from magnetic properties, photothermal conversion effects, cavitation effects, and relaxation efficiency, have made Co-based nanozymes a rising star. This review presents the first comprehensive profiling of the Co-based nanozymes in the chemistry, biology, and environmental sciences. The review begins by scrutinizing the various synthetic methods employed for Co-based nanozyme fabrication, such as template and sol-gel methods, highlighting their distinctive merits from a chemical standpoint. Furthermore, a detailed exploration of their wide-ranging applications in biosensing and biomedical therapeutics, as well as their contributions to environmental monitoring and remediation is provided. Notably, drawing inspiration from state-of-the-art techniques such as omics, a comprehensive analysis of Co-based nanozymes is undertaken, employing analogous statistical methodologies to provide valuable guidance. To conclude, a comprehensive outlook on the challenges and prospects for Co-based nanozymes is presented, spanning from microscopic physicochemical mechanisms to macroscopic clinical translational applications.
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Affiliation(s)
- Jingqi Li
- College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin, 150040, P. R. China
- Aulin College, Northeast Forestry University, Harbin, 150040, P. R. China
| | - Xinda Cai
- College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin, 150040, P. R. China
- Aulin College, Northeast Forestry University, Harbin, 150040, P. R. China
| | - Peng Jiang
- College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin, 150040, P. R. China
- Aulin College, Northeast Forestry University, Harbin, 150040, P. R. China
| | - Huayuan Wang
- College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin, 150040, P. R. China
- Aulin College, Northeast Forestry University, Harbin, 150040, P. R. China
| | - Shiwei Zhang
- College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin, 150040, P. R. China
- Aulin College, Northeast Forestry University, Harbin, 150040, P. R. China
| | - Tiedong Sun
- College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin, 150040, P. R. China
- Aulin College, Northeast Forestry University, Harbin, 150040, P. R. China
| | - Chunxia Chen
- College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin, 150040, P. R. China
- Aulin College, Northeast Forestry University, Harbin, 150040, P. R. China
| | - Kelong Fan
- CAS Engineering Laboratory for Nanozyme, Key Laboratory of Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing, 100101, P. R. China
- Nanozyme Medical Center, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, 450001, P. R. China
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11
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Luo C, Li X, Li Y. Application of the Peroxidase‒like Activity of Nanomaterials for the Detection of Pathogenic Bacteria and Viruses. Int J Nanomedicine 2024; 19:441-452. [PMID: 38250191 PMCID: PMC10799623 DOI: 10.2147/ijn.s442335] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Accepted: 12/25/2023] [Indexed: 01/23/2024] Open
Abstract
Infectious diseases caused by pathogenic bacteria and viruses pose a significant threat to human life and well-being. The prompt identification of these pathogens, characterized by speed, accuracy, and efficiency, not only aids in the timely screening of infected individuals and the prevention of further transmission, but also facilitates the precise diagnosis and treatment of patients. Direct smear microscopy, microbial culture, nucleic acid-based polymerase chain reaction (PCR), and enzyme-linked immunosorbent assay (ELISA) based on microbial surface antigens or human serum antibodies, have made substantial contributions to the prevention and management of infectious diseases. Due to its shorter processing time, simple equipment requirements, and no need for professional and technical personnel, ELISA has inherent advantages over other methods for detecting pathogenic bacteria and viruses. Horseradish peroxidase mediated catalysis of substrate coloration is the key for the detection of target substances in ELISA. However, the variability, high cost, and environmental susceptibility of natural peroxidase greatly limit the application of ELISA in pathogen detection. Compared with natural enzymes, nanomaterials with enzyme-mimicking activity are inexpensive, highly environmentally stable, easy to store and mass producing, etc. Based on their peroxidase-like activities and unique physicochemical properties, nanomaterials can greatly improve the efficiency and ease of use of ELISA-like detection methods for pathogenic bacteria and viruses. This review introduces recent advances in the application of nanomaterials with peroxidase-like activity for the detection of pathogenic bacteria (both gram-negative bacteria and gram-positive bacteria) and viruses (both RNA viruses and DNA viruses). The emphasis is on the detection principle and the evaluation of effectiveness. The limitations and prospects for future translations are also discussed.
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Affiliation(s)
- Cheng Luo
- School of Medicine, Yichun University, Yichun, 336000, People’s Republic of China
| | - Xianglong Li
- Medical and Radiation Oncology, Department of the Second Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, People’s Republic of China
| | - Yan Li
- School of Medicine, Yichun University, Yichun, 336000, People’s Republic of China
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12
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Li J, Tang Y, Bai Y, Zhang Z, Zhang S, Chen T, Zhao F, Guo Z. A pomegranate seed-structured nanozyme-based colorimetric immunoassay for highly sensitive and specific biosensing of Staphylococcus aureus. Analyst 2024; 149:563-570. [PMID: 38099463 DOI: 10.1039/d3an01621h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2024]
Abstract
Staphylococcus aureus (S. aureus) infections are a serious threat to human health. The development of rapid and sensitive detection methods for pathogenic bacteria is crucial for accurate drug administration. In this research, by combining the advantages of enzyme-linked immunosorbent assay (ELISA), we synthesized nanozymes with high catalytic performance, namely pomegranate seed-structured bimetallic gold-platinum nanomaterials (Ps-PtAu NPs), which can catalyze a colorless TMB substrate into oxidized TMB (oxTMB) with blue color to achieve colorimetric analysis of S. aureus. Under the optimal conditions, the proposed biosensor could quantitatively detect S. aureus at levels ranging from 1.0 × 101 to 1.0 × 106 CFU mL-1 with a limit of detection (LOD) of 3.9 CFU mL-1. Then, an integrated color picker APP on a smartphone enables on-site point-of-care testing (POCT) of S. aureus with LOD as low as 1 CFU mL-1. Meanwhile, the proposed biosensor is successfully applied to the detection of S. aureus in clinical samples with high sensitivity and specificity.
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Affiliation(s)
- Jinghui Li
- Clinical School of Thoracic, Tianjin Medical University, Tianjin, 300070, China
- Chest Hospital, Tianjin University, Tianjin, 300072, China.
| | - Yipeng Tang
- Clinical School of Thoracic, Tianjin Medical University, Tianjin, 300070, China
- Chest Hospital, Tianjin University, Tianjin, 300072, China.
| | - Yunpeng Bai
- Chest Hospital, Tianjin University, Tianjin, 300072, China.
- Tianjin Key Laboratory of Cardiovascular Emergency and Critical Care, Tianjin, 300222, China
| | - Zhejun Zhang
- Chest Hospital, Tianjin University, Tianjin, 300072, China.
| | - Shaopeng Zhang
- Chest Hospital, Tianjin University, Tianjin, 300072, China.
| | - Tongyun Chen
- Chest Hospital, Tianjin University, Tianjin, 300072, China.
- Tianjin Key Laboratory of Cardiovascular Emergency and Critical Care, Tianjin, 300222, China
| | - Feng Zhao
- Clinical School of Thoracic, Tianjin Medical University, Tianjin, 300070, China
- Chest Hospital, Tianjin University, Tianjin, 300072, China.
- Tianjin Key Laboratory of Cardiovascular Emergency and Critical Care, Tianjin, 300222, China
| | - Zhigang Guo
- Clinical School of Thoracic, Tianjin Medical University, Tianjin, 300070, China
- Chest Hospital, Tianjin University, Tianjin, 300072, China.
- Tianjin Key Laboratory of Cardiovascular Emergency and Critical Care, Tianjin, 300222, China
- Tianjin Cardiovascular Diseases Institute, Tianjin, 300222, China
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Liu P, Liang M, Liu Z, Long H, Cheng H, Su J, Tan Z, He X, Sun M, Li X, He S. Facile green synthesis of wasted hop-based zinc oxide nanozymes as peroxidase-like catalysts for colorimetric analysis. NANOSCALE 2024; 16:913-922. [PMID: 38108135 DOI: 10.1039/d3nr04336c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2023]
Abstract
Hops are a common ingredient in beer production, and a considerable quantity of hops is usually discarded as a waste material once the brewing process is completed. Transforming this waste material into valuable nanomaterials offers a sustainable approach that has the potential to significantly mitigate environmental impact. Herein, a facile and green protocol for the production of zinc oxide nanozymes (ZnO NZs) using wasted hop extract (WHE) as a natural precursor was demonstrated. The process involved a hydrothermal synthesis method followed by a calcination step to form the final ZnO NZs. The results revealed that lupulon, the main β-acid in hops, particularly the phenolic hydroxy group, is primarily responsible for the biosynthesis of ZnO NZs. The WHE-ZnO NZs exhibited exceptional peroxidase-like (POD-like) activity and served as effective catalysts for the oxidation of 3,3,5,5-tetramethylbenzidine (TMB) in the presence of hydrogen peroxide (H2O2). Analysis of the catalytic mechanism revealed that the POD-like activity of these WHE-ZnO NZs originated from their ability to expedite the transfer of electrons between TMB and H2O2, resulting in the enzymatic kinetics following the standard Michaelis-Menten mechanism. Furthermore, we developed a straightforward and user-friendly colorimetric technique for detecting both H2O2 and glucose. By utilizing the WHE-ZnO NZs as POD-like catalysts, we achieved a linear detection range of 1-1000 μM and a limit of detection of 0.24 μM (S/N = 3) for H2O2 detection and a linear range of 0-100 mM and a detection limit of 16.73 μM (S/N = 3) for glucose detection. These results highlighted the potential applications of our waste-to-resource approach for nanozyme synthesis in the field of analytical chemistry.
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Affiliation(s)
- Pei Liu
- Faculty of Life Science and Food Engineering, HuaiYin Institute of Technology, Huaian 223003, P. R. China.
- Jiangsu Provincial Key Construction Laboratory of Probiotics Preparation, Huaiyin Institute of Technology, Huaian 223003, P. R. China
| | - Mengdi Liang
- Faculty of Life Science and Food Engineering, HuaiYin Institute of Technology, Huaian 223003, P. R. China.
- Jiangsu Provincial Key Construction Laboratory of Probiotics Preparation, Huaiyin Institute of Technology, Huaian 223003, P. R. China
| | - Zhengwei Liu
- Faculty of Life Science and Food Engineering, HuaiYin Institute of Technology, Huaian 223003, P. R. China.
- Jiangsu Provincial Key Construction Laboratory of Probiotics Preparation, Huaiyin Institute of Technology, Huaian 223003, P. R. China
| | - Haiyu Long
- Faculty of Life Science and Food Engineering, HuaiYin Institute of Technology, Huaian 223003, P. R. China.
- Jiangsu Provincial Key Construction Laboratory of Probiotics Preparation, Huaiyin Institute of Technology, Huaian 223003, P. R. China
| | - Han Cheng
- Faculty of Life Science and Food Engineering, HuaiYin Institute of Technology, Huaian 223003, P. R. China.
- Jiangsu Provincial Key Construction Laboratory of Probiotics Preparation, Huaiyin Institute of Technology, Huaian 223003, P. R. China
| | - Jiahe Su
- Faculty of Life Science and Food Engineering, HuaiYin Institute of Technology, Huaian 223003, P. R. China.
- Jiangsu Provincial Key Construction Laboratory of Probiotics Preparation, Huaiyin Institute of Technology, Huaian 223003, P. R. China
| | - Zhongbiao Tan
- Faculty of Life Science and Food Engineering, HuaiYin Institute of Technology, Huaian 223003, P. R. China.
| | - Xuewen He
- The Key Lab of Health Chemistry and Molecular Diagnosis of Suzhou, College of Chemistry, Chemical Engineering and Materials Science Soochow University, 215123, Suzhou, P.R. China
| | - Min Sun
- Huai'an Municipal Center for Disease Control and Prevention, Huaian, China
| | - Xiangqian Li
- Faculty of Life Science and Food Engineering, HuaiYin Institute of Technology, Huaian 223003, P. R. China.
- Jiangsu Provincial Key Construction Laboratory of Probiotics Preparation, Huaiyin Institute of Technology, Huaian 223003, P. R. China
| | - Shuai He
- Faculty of Life Science and Food Engineering, HuaiYin Institute of Technology, Huaian 223003, P. R. China.
- Jiangsu Provincial Key Construction Laboratory of Probiotics Preparation, Huaiyin Institute of Technology, Huaian 223003, P. R. China
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14
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Pang S, Yu H, Zhang Y, Jiao Y, Zheng Z, Wang M, Zhang H, Liu A. Bioscreening specific peptide-expressing phage and its application in sensitive dual-mode immunoassay of SARS-CoV-2 spike antigen. Talanta 2024; 266:125093. [PMID: 37611368 DOI: 10.1016/j.talanta.2023.125093] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Revised: 08/12/2023] [Accepted: 08/17/2023] [Indexed: 08/25/2023]
Abstract
Biorecognition components with high affinity and selectivity are vital in bioassay to diagnose and treat epidemic disease. Herein a phage display strategy of combining single-amplification-panning with non-amplification-panning was developed, by which a phage displaying cyclic heptapeptide ACLDWLFNSC (peptide J4) with good affinity and specificity to SARS-CoV-2 spike protein (SP) was identified. Molecular docking suggests that peptide J4 binds to S2 subunit by hydrogen bonding and hydrophobic interaction. Then the J4-phage was used as the capture antibody to establish phage-based chemiluminescence immunoassay (CLIA) and electrochemical impedance spectroscopy (EIS) analytical systems. The as-proposed dual-modal immunoassay platform exhibited good sensitivity and reliability in SARS-CoV-2 SP and pseudovirus assay. The limit of detection for SARS-CoV-2 SP by EIS immunoassay is 0.152 pg/mL, which is dramatically lower than that of 42 pg/mL for J4-phage based CLIA. Further, low to 40 transducing units (TU)/mL, 10 TU/mL SARS-CoV-2 pseudoviruses can be detected by the proposed J4-phage based CLIA and electrochemical immunosensor, respectively. Therefore, the as-developed dual mode immunoassays are potential methods to detect SARS-CoV-2. It is also expected to explore various phages with specific peptides to different targets for bioanalysis.
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Affiliation(s)
- Shuang Pang
- Institute for Chemical Biology & Biosensing, College of Life Sciences, Qingdao University, 308 Ningxia Rd, Qingdao, 266071, China
| | - Haipeng Yu
- Institute for Chemical Biology & Biosensing, College of Life Sciences, Qingdao University, 308 Ningxia Rd, Qingdao, 266071, China
| | - Yaru Zhang
- Institute for Chemical Biology & Biosensing, College of Life Sciences, Qingdao University, 308 Ningxia Rd, Qingdao, 266071, China
| | - Yiming Jiao
- Institute for Chemical Biology & Biosensing, College of Life Sciences, Qingdao University, 308 Ningxia Rd, Qingdao, 266071, China
| | - Zongmei Zheng
- Institute for Chemical Biology & Biosensing, College of Life Sciences, Qingdao University, 308 Ningxia Rd, Qingdao, 266071, China; Qingdao Hightop Biotech Co., Ltd, 369 Hedong Road, Hi-tech Industrial Development Zone, Qingdao, 266112, China
| | - Mingyang Wang
- Institute for Chemical Biology & Biosensing, College of Life Sciences, Qingdao University, 308 Ningxia Rd, Qingdao, 266071, China
| | - Haohan Zhang
- Institute for Chemical Biology & Biosensing, College of Life Sciences, Qingdao University, 308 Ningxia Rd, Qingdao, 266071, China
| | - Aihua Liu
- Institute for Chemical Biology & Biosensing, College of Life Sciences, Qingdao University, 308 Ningxia Rd, Qingdao, 266071, China.
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Chen Y, Li L, Wei X, Hu M, Zhao X, Zhang Q, Luo Y, Zhao M, Liu Z, Cai Y, Liu Y. Phage Tail Fiber Protein as a Specific Probe for Recognition of Shiga Toxin-Producing Escherichia coli O91, O103, and O111. Anal Chem 2023; 95:18407-18414. [PMID: 38053255 DOI: 10.1021/acs.analchem.3c03370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2023]
Abstract
The ability to quickly identify specific serotypes of Shiga toxin-producing Escherichia coli (STEC) could facilitate the monitoring and control of STEC pathogens. In this study, we identified the receptors and receptor-binding proteins (RBPs) of three novel phages (pO91, pO103, and pO111) isolated from hospital wastewater. Recombinant versions of these RBPs (pO91-ORF43, pO103-ORF42, and pO111-ORF8) fused to a fluorescent reporter protein were then constructed. Both fluorescence microscopy and transmission electron microscopy showed that all three recombinant RBPs were bound to the bacterial surface. Indirect enzyme-linked immunosorbent assay was used to verify that each recombinant RBP bound specifically to E. coli O91, O103, or O111, but not to any of the 83 strains of E. coli with different O-antigens, nor to 10 other bacterial species that were tested. The recombinant RBPs adsorbed to their respective host bacteria within 10 min of incubation. The minimum concentration of bacteria required for detection by the recombinant RBPs was 33 colony-forming units (CFU)/mL (range: 3.3 × 10 to 3.3 × 108 CFU/mL). Furthermore, each recombinant RBP was also able to detect bacteria in lettuce, chicken breast meat, and infected mice, indicating that their usage will facilitate the detection of STEC and may help to reduce the spread of STEC-related infections and diseases.
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Affiliation(s)
- Yibao Chen
- Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, Jinan 250100, China
| | - Lulu Li
- Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, Jinan 250100, China
| | - Xiaotian Wei
- Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, Jinan 250100, China
| | - Ming Hu
- Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, Jinan 250100, China
| | - Xiaonan Zhao
- Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, Jinan 250100, China
| | - Qing Zhang
- Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, Jinan 250100, China
| | - Yanbo Luo
- Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, Jinan 250100, China
| | - Min Zhao
- Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, Jinan 250100, China
| | - Zhengjie Liu
- Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, Jinan 250100, China
| | - Yumei Cai
- College of Veterinary Medicine, Shandong Agricultural University, Taian 271018, China
| | - Yuqing Liu
- Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, Jinan 250100, China
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Dong T, Zhang X, Yuan J, Lin Z, Yin P, Yu H, Wang M, Liu A. Sensitive Lateral Flow Immunoassay Based on Specific Peptide and Superior Oxidase Mimics with a Universal Dual-Mode Significant Signal Amplification. Anal Chem 2023; 95:12532-12540. [PMID: 37553756 DOI: 10.1021/acs.analchem.3c02821] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/10/2023]
Abstract
Rapid and sensitive antigen detection using a lateral flow immunoassay (LFIA) is crucial for diagnosing infectious diseases due to its simplicity, speed, and user-friendly features. However, it remains a critical issue to explore specific biorecognition elements and powerful signal amplification. In this study, taking SARS-CoV-2 as a proof of concept, a specific peptide, WFLNDSELIML, binding to the SARS-CoV-2 spike (S) antigen was identified by a nonamplified biopanning method, which exhibited high affinity to the target, with a dissociation constant of 9.29 ± 1.55 nM. Molecular docking analysis reveals that this peptide binds to the N-terminal domain of the SARS-CoV-2 S antigen. Then, using this peptide as a capture probe and angiotensin-converting enzyme 2 as a detection probe, a peptide-based lateral flow immunoassay (pLFIA) for the sensitive detection of the SARS-CoV-2 S antigen without any antibody was developed, for which a polydopamine nanosphere (PDA)@MnO2 nanocomposite with excellent oxidase-like activity was used as a colorimetric label, exhibiting dual-mode remarkable signal amplification of natural melanin and on-demand nanozyme catalytic enhancement. The PDA@MnO2-based pLFIA is capable of detecting the SARS-CoV-2 S antigen with a limit of detection of 8.01 pg/mL, which is 18.7 times lower than that of a conventional pLFIA tagged with gold nanoparticles. Additionally, the as-proposed PDA@MnO2-based pLFIA can detect up to 150 transduction units/mL SARS-CoV-2 pseudoviruses spiked in saliva samples. Given the outstanding analytical performance, the proposed PDA@MnO2-based pLFIA may offer a reliable option for the rapid diagnosis of SARS-CoV-2.
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Affiliation(s)
- Tao Dong
- Institute for Chemical Biology & Biosensing, College of Life Sciences, Qingdao University, 308 Ningxia Road, Qingdao 266071, China
- School of Pharmacy, Medical College, Qingdao University, 308 Ningxia Road, Qingdao 266071, China
| | - Xin Zhang
- Institute for Chemical Biology & Biosensing, College of Life Sciences, Qingdao University, 308 Ningxia Road, Qingdao 266071, China
| | - Jinlong Yuan
- Institute for Chemical Biology & Biosensing, College of Life Sciences, Qingdao University, 308 Ningxia Road, Qingdao 266071, China
| | - Ziting Lin
- Institute for Chemical Biology & Biosensing, College of Life Sciences, Qingdao University, 308 Ningxia Road, Qingdao 266071, China
- Qingdao Hightop Biotech Co., Ltd., 369 Hedong Road, Hi-tech Industrial Development Zone, Qingdao 266112, China
| | - Pengxue Yin
- Institute for Chemical Biology & Biosensing, College of Life Sciences, Qingdao University, 308 Ningxia Road, Qingdao 266071, China
| | - Haipeng Yu
- Institute for Chemical Biology & Biosensing, College of Life Sciences, Qingdao University, 308 Ningxia Road, Qingdao 266071, China
| | - Mingyang Wang
- Institute for Chemical Biology & Biosensing, College of Life Sciences, Qingdao University, 308 Ningxia Road, Qingdao 266071, China
| | - Aihua Liu
- Institute for Chemical Biology & Biosensing, College of Life Sciences, Qingdao University, 308 Ningxia Road, Qingdao 266071, China
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17
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Liu J, Pang S, Wang M, Yu H, Ma P, Dong T, Zheng Z, Jiao Y, Zhang Y, Liu A. An ultrasensitive ELISA to assay femtomolar level SARS-CoV-2 antigen based on specific peptide and tyramine signal amplification. SENSORS AND ACTUATORS. B, CHEMICAL 2023; 387:133746. [PMID: 37020533 PMCID: PMC10050199 DOI: 10.1016/j.snb.2023.133746] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 03/20/2023] [Accepted: 03/27/2023] [Indexed: 05/21/2023]
Abstract
The SARS-CoV-2 spreading rapidly has aroused catastrophic public healthcare issues and economy crisis worldwide. It plays predominant role to rapidly and accurately diagnose the virus for effective prevention and treatment. As an abundant transmembrane protein, spike protein (SP) is one of the most valuable antigenic biomarkers for diagnosis of COVID-19. Herein a phage expression of WNLDLSQWLPPM peptide specific to SARS-CoV-2 SP was screened. Molecular docking revealed that the isolated peptide binds to major antigenic epitope locating at S2 subunit with hydrogen bonding. Taking the specific peptide as antigen sensing probe and tyramine signal amplification (TSA), an ultrasensitive "peptide-antigen-antibody" ELISA (p-ELISA) was explored, by which the limit of detection (LOD) was 14 fM and 2.8 fM SARS-CoV-2 SP antigen for first TSA and secondary TSA, respectively. Compared with the LOD by the p-ELISA by direct mode, the sensitivity with 2nd TSA enhanced 100 times. Further, the proposed p-ELISA method can detect SARS-CoV-2 pseudoviruses down to 10 and 3 TCID50/mL spiked in healthy nasal swab sample with 1st TSA and 2nd TSA, separately. Thus, the proposed p-ELISA method with TSA is expected to be a promising ultrasensitive tool for rapidly detecting SARS-CoV-2 antigen to help control the infectious disease.
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Affiliation(s)
- Junchong Liu
- Institute for Chemical Biology & Biosensing, and College of Life Sciences, Qingdao University, 308 Ningxia Road, Qingdao 266071, China
| | - Shuang Pang
- Institute for Chemical Biology & Biosensing, and College of Life Sciences, Qingdao University, 308 Ningxia Road, Qingdao 266071, China
| | - Mingyang Wang
- Institute for Chemical Biology & Biosensing, and College of Life Sciences, Qingdao University, 308 Ningxia Road, Qingdao 266071, China
| | - Haipeng Yu
- Institute for Chemical Biology & Biosensing, and College of Life Sciences, Qingdao University, 308 Ningxia Road, Qingdao 266071, China
| | - Pengxin Ma
- Institute for Chemical Biology & Biosensing, and College of Life Sciences, Qingdao University, 308 Ningxia Road, Qingdao 266071, China
| | - Tao Dong
- Institute for Chemical Biology & Biosensing, and College of Life Sciences, Qingdao University, 308 Ningxia Road, Qingdao 266071, China
| | - Zongmei Zheng
- Institute for Chemical Biology & Biosensing, and College of Life Sciences, Qingdao University, 308 Ningxia Road, Qingdao 266071, China
| | - Yiming Jiao
- Institute for Chemical Biology & Biosensing, and College of Life Sciences, Qingdao University, 308 Ningxia Road, Qingdao 266071, China
| | - Yaru Zhang
- Institute for Chemical Biology & Biosensing, and College of Life Sciences, Qingdao University, 308 Ningxia Road, Qingdao 266071, China
| | - Aihua Liu
- Institute for Chemical Biology & Biosensing, and College of Life Sciences, Qingdao University, 308 Ningxia Road, Qingdao 266071, China
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Keoingthong P, Xu Y, Li S, Xu J, Zhang L, Chen Z, Tan W. Highly Active CoRh Graphitic Nanozyme for Colorimetric Sensing in Real Samples. J Phys Chem B 2023. [PMID: 37290092 DOI: 10.1021/acs.jpcb.3c02069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Rh-based nanozymes show high catalytic efficiency, specific surface area, good stability, and unique physicochemical properties, while magnetic nanozymes facilitate the magnetic separation of detection samples under an external magnetic field for improved sensitivity. However, magnetic Rh nanozymes, especially those with excellent stability, have not been reported. Herein, we apply the chemical vapor deposition (CVD) method to prepare a CoRh graphitic nanozyme (termed as CoRh@G nanozyme), which structurally consists of CoRh nanoalloy encapsulated by a few layers of graphene for sensitive colorimetric sensing applications. The proposed CoRh@G nanozyme has superior peroxidase (POD)-like activity, and it shows higher affinity of the CoRh@G nanozyme than horseradish peroxidase (HRP) toward 3,3',5,5'-tetramethylbenzydine (TMB) oxidation. In addition, the CoRh@G nanozyme shows high durability and superior recyclability owing to its protective graphitic shell. The outstanding merits of the CoRh@G nanozyme allow its use for quantitative colorimetric detection of dopamine (DA) and ascorbic acid (AA), showing high sensitivity and good selectivity. Moreover, it shows satisfactory performance for AA detection in commercial beverages and energy drinks. The proposed CoRh@G nanozyme-based colorimetric sensing platform shows great promise in point-of-care (POC) visual monitoring.
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Affiliation(s)
- Phouphien Keoingthong
- Molecular Science and Biomedicine Laboratory (MBL), State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, College of Biology, Aptamer Engineering Center of Hunan Province, Hunan University, Changsha, Hunan 410082, People's Republic of China
- The Key Laboratory of Zhejiang Province for Aptamers and Theranostics, Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou, Zhejiang 310022, People's Republic of China
| | - Yiting Xu
- Molecular Science and Biomedicine Laboratory (MBL), State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, College of Biology, Aptamer Engineering Center of Hunan Province, Hunan University, Changsha, Hunan 410082, People's Republic of China
- Key Laboratory of Theoretical Organic Chemistry and Function Molecule, Ministry of Education, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan, Hunan 411201, People's Republic of China
| | - Shengkai Li
- Molecular Science and Biomedicine Laboratory (MBL), State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, College of Biology, Aptamer Engineering Center of Hunan Province, Hunan University, Changsha, Hunan 410082, People's Republic of China
| | - Jieqiong Xu
- Molecular Science and Biomedicine Laboratory (MBL), State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, College of Biology, Aptamer Engineering Center of Hunan Province, Hunan University, Changsha, Hunan 410082, People's Republic of China
| | - Liang Zhang
- Molecular Science and Biomedicine Laboratory (MBL), State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, College of Biology, Aptamer Engineering Center of Hunan Province, Hunan University, Changsha, Hunan 410082, People's Republic of China
| | - Zhuo Chen
- Molecular Science and Biomedicine Laboratory (MBL), State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, College of Biology, Aptamer Engineering Center of Hunan Province, Hunan University, Changsha, Hunan 410082, People's Republic of China
| | - Weihong Tan
- Molecular Science and Biomedicine Laboratory (MBL), State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, College of Biology, Aptamer Engineering Center of Hunan Province, Hunan University, Changsha, Hunan 410082, People's Republic of China
- The Key Laboratory of Zhejiang Province for Aptamers and Theranostics, Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou, Zhejiang 310022, People's Republic of China
- Institute of Molecular Medicine (IMM), Renji Hospital, School of Medicine, College of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai 200127, People's Republic of China
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Nie X, Zhu Z, Lu H, Xue M, Tan Z, Zhou J, Xin Y, Mao Y, Shi H, Zhang D. Assembly of selenium nanoparticles by protein coronas composed of yeast protease A. Process Biochem 2023. [DOI: 10.1016/j.procbio.2023.03.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
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Recombinant antibodies by phage display for bioanalytical applications. Biosens Bioelectron 2023; 222:114909. [PMID: 36462427 DOI: 10.1016/j.bios.2022.114909] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2022] [Revised: 10/08/2022] [Accepted: 11/09/2022] [Indexed: 11/16/2022]
Abstract
Antibody phage display, aimed at preparing antibodies to defined antigens, is a useful replacement for hybridoma technology. The phage system replaces all work stages that follow animal immunization with simple procedures for manipulating DNA and bacteria. It enables the time needed to generate stable antibody-producing clones to be shortened considerably, making the process noticeably cheaper. Antibodies prepared by phage display undergo several affinity selection steps and can be used as selective receptors in biosensors. This article briefly describes the techniques used in the making of phage antibodies to various antigens. The possibilities and prospects are discussed of using phage antibodies as selective agents in analytical systems, including biosensors.
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21
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Liu Y, Sun M, Qiao W, Cong S, Zhang Y, Wang L, Hu Z, Liu F, Wang D, Wang P, Liu Q. Multicolor colorimetric visual detection of Staphylococcus aureus based on Fe 3O 4-Ag-MnO 2 composites nano-oxidative mimetic enzyme. Anal Chim Acta 2023; 1239:340654. [PMID: 36628750 DOI: 10.1016/j.aca.2022.340654] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 10/20/2022] [Accepted: 11/21/2022] [Indexed: 11/27/2022]
Abstract
Novel Fe3O4-Ag-MnO2 composites were successfully synthesized. It was noteworthy that the obtained Fe3O4-Ag-MnO2 composites were found to possess three types of enzyme-mimicking activities, including peroxidase-like, catalase-like and oxidase-like activities. Taking advantage of the oxidase properties of Fe3O4-Ag-MnO2, the direct oxidation of TMB could be catalyzed to generate blue oxidation products without H2O2. The oxidase-like activity of Fe3O4-Ag-MnO2 were carefully studied. Based on the Fe3O4-Ag-MnO2-TMB system, a fast, sensitive and intuitive multicolor colorimetric method for Staphylococcus aureus (S. aureus) detection was established under the optimized conditions. The proposed method allows the detection of S. aureus with a detection limit of 3.7 cfu mL-1 and a linear range of 10-106 cfu mL-1. This new colorimetric method has been successfully proved to be applicable to the detection S. aureus of food samples.
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Affiliation(s)
- Yushen Liu
- College of Food Engineering, Ludong University, Yantai, 264025, Shandong, China; Bio-Nanotechnology Research Institute, Ludong University, Yantai, 264025, Shandong, China.
| | - Mengyue Sun
- College of Food Engineering, Ludong University, Yantai, 264025, Shandong, China
| | - Wenteng Qiao
- College of Food Engineering, Ludong University, Yantai, 264025, Shandong, China
| | - Shuang Cong
- College of Life Sciences, Yantai University, Yantai, 264005, Shandong, China
| | - Yunqian Zhang
- College of Food Engineering, Ludong University, Yantai, 264025, Shandong, China
| | - Luliang Wang
- College of Food Engineering, Ludong University, Yantai, 264025, Shandong, China; Bio-Nanotechnology Research Institute, Ludong University, Yantai, 264025, Shandong, China
| | - Zhenhua Hu
- College of Food Engineering, Ludong University, Yantai, 264025, Shandong, China; Bio-Nanotechnology Research Institute, Ludong University, Yantai, 264025, Shandong, China
| | - Fangjie Liu
- College of Food Engineering, Ludong University, Yantai, 264025, Shandong, China; Bio-Nanotechnology Research Institute, Ludong University, Yantai, 264025, Shandong, China
| | - Dacheng Wang
- College of Food Engineering, Ludong University, Yantai, 264025, Shandong, China
| | - Ping Wang
- College of Food Engineering, Ludong University, Yantai, 264025, Shandong, China; Bio-Nanotechnology Research Institute, Ludong University, Yantai, 264025, Shandong, China
| | - Quanwen Liu
- College of Food Engineering, Ludong University, Yantai, 264025, Shandong, China.
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22
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Pardo-Freire M, Domingo-Calap P. Phages and Nanotechnology: New Insights against Multidrug-Resistant Bacteria. BIODESIGN RESEARCH 2023; 5:0004. [PMID: 37849463 PMCID: PMC10521656 DOI: 10.34133/bdr.0004] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Accepted: 12/21/2022] [Indexed: 10/19/2023] Open
Abstract
Bacterial infections are a major threat to the human healthcare system worldwide, as antibiotics are becoming less effective due to the emergence of multidrug-resistant strains. Therefore, there is a need to explore nontraditional antimicrobial alternatives to support rapid interventions and combat the spread of pathogenic bacteria. New nonantibiotic approaches are being developed, many of them at the interface of physics, nanotechnology, and microbiology. While physical factors (e.g., pressure, temperature, and ultraviolet light) are typically used in the sterilization process, nanoparticles and phages (bacterial viruses) are also applied to combat pathogenic bacteria. Particularly, phage-based therapies are rising due to the unparalleled specificity and high bactericidal activity of phages. Despite the success of phages mostly as compassionate use in clinical cases, some drawbacks need to be addressed, mainly related to their stability, bioavailability, and systemic administration. Combining phages with nanoparticles can improve their performance in vivo. Thus, the combination of nanotechnology and phages might provide tools for the rapid and accurate detection of bacteria in biological samples (diagnosis and typing), and the development of antimicrobials that combine the selectivity of phages with the efficacy of targeted therapy, such as photothermal ablation or photodynamic therapies. In this review, we aim to provide an overview of how phage-based nanotechnology represents a step forward in the fight against multidrug-resistant bacteria.
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Affiliation(s)
- Marco Pardo-Freire
- Institute for Integrative Systems Biology, I2SysBio, Universitat de València-CSIC, 46980 Paterna, Spain
| | - Pilar Domingo-Calap
- Institute for Integrative Systems Biology, I2SysBio, Universitat de València-CSIC, 46980 Paterna, Spain
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23
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Protein encapsulation of nanocatalysts: A feasible approach to facilitate catalytic theranostics. Adv Drug Deliv Rev 2023; 192:114648. [PMID: 36513163 DOI: 10.1016/j.addr.2022.114648] [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: 09/29/2022] [Revised: 11/14/2022] [Accepted: 12/05/2022] [Indexed: 12/14/2022]
Abstract
Enzyme-mimicking nanocatalysts, also termed nanozymes, have attracted much attention in recent years. They are considered potential alternatives to natural enzymes due to their multiple catalytic activities and high stability. However, concerns regarding the colloidal stability, catalytic specificity, efficiency and biosafety of nanomaterials in biomedical applications still need to be addressed. Proteins are biodegradable macromolecules that exhibit superior biocompatibility and inherent bioactivities; hence, the protein modification of nanocatalysts is expected to improve their bioavailability to match clinical needs. The diversity of amino acid residues in proteins provides abundant functional groups for the conjugation or encapsulation of nanocatalysts. Moreover, protein encapsulation can not only improve the overall performance of nanocatalysts in biological systems, but also bestow materials with new features, such as targeting and retention in pathological sites. This review aims to report the recent developments and perspectives of protein-encapsulated catalysts in their functional improvements, modification methods and applications in biomedicine.
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24
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Lang Y, Zhang B, Cai D, Tu W, Zhang J, Shentu X, Ye Z, Yu X. Determination Methods of the Risk Factors in Food Based on Nanozymes: A Review. BIOSENSORS 2022; 13:69. [PMID: 36671904 PMCID: PMC9856088 DOI: 10.3390/bios13010069] [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: 11/15/2022] [Revised: 12/14/2022] [Accepted: 12/23/2022] [Indexed: 06/17/2023]
Abstract
Food safety issues caused by foodborne pathogens, chemical pollutants, and heavy metals have aroused widespread concern because they are closely related to human health. Nanozyme-based biosensors have excellent characteristics such as high sensitivity, selectivity, and cost-effectiveness and have been used to detect the risk factors in foods. In this work, the common detection methods for pathogenic microorganisms, toxins, heavy metals, pesticide residues, veterinary drugs, and illegal additives are firstly reviewed. Then, the principles and applications of immunosensors based on various nanozymes are reviewed and explained. Applying nanozymes to the detection of pathogenic bacteria holds great potential for real-time evaluation and detection protocols for food risk factors.
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Affiliation(s)
| | | | | | | | | | - Xuping Shentu
- Zhejiang Provincial Key Laboratory of Biometrology and Inspection & Quarantine, College of Life Sciences, China Jiliang University, Xueyuan Street, Xiasha Higher Education District, Hangzhou 310018, China
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25
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Cai Y, Dong T, Zhang X, Liu A. Morphology and Enzyme-Mimicking Activity of Copper Nanoassemblies Regulated by Peptide: Mechanism, Ultrasensitive Assaying of Trypsin, and Screening of Trypsin Inhibitors. Anal Chem 2022; 94:18099-18106. [PMID: 36515251 DOI: 10.1021/acs.analchem.2c04767] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
To regulate nanostructure synthesis is of crucial importance for developing various applications, including catalysis, bioanalysis, and optical devices. Herein, the morphology and peroxidase (POD)-mimicking activity of peptide-templated copper nanoassemblies (Cu NAs) are regulable with peptide types. The Cu NAs templated with peptide containing single cysteine are uniform nanoclusters with strong POD-like activity. However, the Cu NAs templated with peptide containing two cysteines are fusiform-like with very weak POD-like activity. Unexpectedly, the POD-like activity of Cu NAs templated with peptide containing two cysteines with lysine between the cysteines is significantly enhanced when trypsin is incubated, which is unchanged for the Cu NAs templated with peptide containing two cysteines without lysine between the cysteines. The remarkably enhanced POD-mimicking activity originates from trypsin specifically shearing the peptide bond on the lysine, thereby allowing the aggregated Cu NAs to unravel into individual nanoclusters. Therefore, a robust colorimetric sensing platform was constructed for sensitive and selective detection of trypsin, which showed a linear concentration range of 3-1000 nM and a detection limit of 0.82 nM (S/N = 3). More interestingly, featured by trypsin inhibitor restraining trypsin activity, it enabled us to screen trypsin inhibitors as well. Subsequently, the developed assay was applied to detect trypsin in serum samples with good accuracy and reproducibility. Thus, this strategy shows great potential application in the clinic for diagnosis of trypsin-indicating diseases as well as the screening of trypsin inhibitor-based anti-cancer drugs.
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Affiliation(s)
- Yuanyuan Cai
- Institute for Chemical Biology and Biosensing, College of Life Sciences, Qingdao University, 308 Ningxia Rd, Qingdao 266071, China.,School of Pharmacy, Medical College, Qingdao University, 308 Ningxia Rd, Qingdao 266071, China
| | - Tao Dong
- School of Pharmacy, Medical College, Qingdao University, 308 Ningxia Rd, Qingdao 266071, China
| | - Xin Zhang
- Institute for Chemical Biology and Biosensing, College of Life Sciences, Qingdao University, 308 Ningxia Rd, Qingdao 266071, China
| | - Aihua Liu
- Institute for Chemical Biology and Biosensing, College of Life Sciences, Qingdao University, 308 Ningxia Rd, Qingdao 266071, China
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26
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Ali S, Sikdar S, Basak S, Roy D, Das D, Haydar MS, Ghosh NN, Roy K, Mandal P, Roy MN. Intrinsic Light-Activated Oxidase Mimicking Activity of Conductive Polyaniline Nanofibers: A Class of Metal-Free Nanozyme. ACS APPLIED BIO MATERIALS 2022; 5:5518-5531. [PMID: 36367462 DOI: 10.1021/acsabm.2c00491] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
In recent decades, studies have focused on inorganic nanozymes to overcome the intrinsic drawbacks of bioenzymes due to the demands of improving the reaction conditions and lack of robustness to harsh environmental factors. Many biochemical reactions catalyzed by enzymes require light activation. Light-activated nanozymes have distinct advantages, including being regulated by light stimuli, activating the molecular oxygen to produce reactive oxygen species (ROS) without interfering supplementary oxidants, and often showing a synergistic effect to catalyze some challenging reactions. Only a few studies have been done on this connection. Therefore, it is still a big challenge to develop a nanozyme regulated by light activation. Herein, we uncovered the light-activated oxidase mimicking activity of a conducting polymer polyaniline nanofibers (PANI-NFs). PANI-NFs exhibit intrinsic light-activated brilliant oxidase-like activity, can catalyze the colorless tetramethyl benzidine (TMB) to produce a blue product TMBox, and have a distinct Km = 0.087 mM and a high Vmax = 2.32 μM min-1 value, measured by using Hanes-Woolf kinetics. We also report the light-activated oxidase activity of some other renowned carbocatalysts graphene oxide and graphitic carbon nitride and compare them with PANI-NFs. This type of property shown by the conductive polymer is amazing. The density functional theory is used to verify the stability and the mode of adsorption of the PANI NFs-TMB composite, which corroborates the experimental results. Furthermore, the current nanozyme demonstrated a significant ability to kill both Gram-negative and Gram-positive bacteria as well as effectively destroy biofilms under physiological conditions. We believe that this work provides the motivation to create a link between optoelectronics and biological activity in the near future.
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Affiliation(s)
- Salim Ali
- Department of Chemistry, University of North Bengal, Darjeeling734013, India
| | - Suranjan Sikdar
- Department of Chemistry, Government General Degree College at Kushmandi, Dakshin Dinajpur733121, India
| | - Shatarupa Basak
- Department of Chemistry, University of North Bengal, Darjeeling734013, India
| | - Debadrita Roy
- Department of Chemistry, University of North Bengal, Darjeeling734013, India
| | - Dipayan Das
- Nanobiology and Phytotherapy Laboratory, Department of Botany, University of North Bengal, Siliguri734013, West Bengal, India
| | - Md Salman Haydar
- Nanobiology and Phytotherapy Laboratory, Department of Botany, University of North Bengal, Siliguri734013, West Bengal, India
| | | | - Kanak Roy
- Department of Chemistry, Alipurduar University, Alipurduar736122, India
| | - Palash Mandal
- Nanobiology and Phytotherapy Laboratory, Department of Botany, University of North Bengal, Siliguri734013, West Bengal, India
| | - Mahendra Nath Roy
- Department of Chemistry, University of North Bengal, Darjeeling734013, India.,Department of Chemistry, Alipurduar University, Alipurduar736122, India
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27
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Gopinath SCB, Ramanathan S, Chinni SV, Dorairaj V, Lakshmipriya T. Non-protein coding RNA sequences mediate specific colorimetric detection of Staphylococcus aureus on unmodified gold nanoparticles. Sci Rep 2022; 12:12621. [PMID: 35871246 PMCID: PMC9308785 DOI: 10.1038/s41598-022-16551-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2021] [Accepted: 07/12/2022] [Indexed: 11/29/2022] Open
Abstract
Nonprotein coding RNA (npcRNA) is a transcribed gene sequence that is not able to translate into protein, yet it executes a specific function in modulation and regulation mechanisms. As npcRNA is highly resistant to the mutation, the Sau-02 npcRNA gene and its probe oligonucleotide, which are specifically present in Staphylococcus aureus and in methicillin-resistant S. aureus only, used to develop a highly specific and sensitive colorimetric assay on unmodified gold nanoparticles (AuNPs). Hybridization between the npcRNA Sau-02 gene sequences was detected through noncrosslinking AuNP aggregation in salt solution in the presence of probe-target gene sequences. AuNPs of 10 and 15 nm in sizes with monovalent ion salt (NaCl) solution were optimized as the ideal tool for investigating the stability of AuNPs upon the addition of gene sequences. The state dispersed and aggregated forms of 10 nm AuNPs with the presented colorimetric assay were justified through field emission scanning electron microscopy and atomic force microscopy. The particle distribution of two different AuNP states was evaluated through particle distribution analysis. The lowest detection amount of S. aureus npcRNA from the colorimetric assay performed was 6 pg/µL, as the color of AuNPs turned blue with the presence of probe oligonucleotides and target gene sequences.
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28
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Multi-enzyme activity nanozymes for biosensing and disease treatment. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2022.214784] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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29
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Zhao F, Wu W, Zhao M, Ding S, Lin Y, Hu Q, Yu L. Enzyme-like nanomaterials-integrated microfluidic technology for bioanalysis. Trends Analyt Chem 2022. [DOI: 10.1016/j.trac.2022.116833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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30
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Ma Y, Lin W, Ruan Y, Lu H, Fan S, Chen D, Huang Y, Zhang T, Pi J, Xu JF. Advances of Cobalt Nanomaterials as Anti-Infection Agents, Drug Carriers, and Immunomodulators for Potential Infectious Disease Treatment. Pharmaceutics 2022; 14:pharmaceutics14112351. [PMID: 36365168 PMCID: PMC9696703 DOI: 10.3390/pharmaceutics14112351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 10/19/2022] [Accepted: 10/27/2022] [Indexed: 11/06/2022] Open
Abstract
Infectious diseases remain the most serious public health issue, which requires the development of more effective strategies for infectious control. As a kind of ultra-trace element, cobalt is essential to the metabolism of different organisms. In recent decades, nanotechnology has attracted increasing attention worldwide due to its wide application in different areas, including medicine. Based on the important biological roles of cobalt, cobalt nanomaterials have recently been widely developed for their attractive biomedical applications. With advantages such as low costs in preparation, hypotoxicity, photothermal conversion abilities, and high drug loading ability, cobalt nanomaterials have been proven to show promising potential in anticancer and anti-infection treatment. In this review, we summarize the characters of cobalt nanomaterials, followed by the advances in their biological functions and mechanisms. More importantly, we emphatically discuss the potential of cobalt nanomaterials as anti-infectious agents, drug carriers, and immunomodulators for anti-infection treatments, which might be helpful to facilitate progress in future research of anti-infection therapy.
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Affiliation(s)
- Yuhe Ma
- Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, The First Dongguan Affiliated Hospital, Guangdong Medical University, Dongguan 523808, China
- Institute of Laboratory Medicine, School of Medical Technology, Guangdong Medical University, Dongguan 523808, China
| | - Wensen Lin
- Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, The First Dongguan Affiliated Hospital, Guangdong Medical University, Dongguan 523808, China
- Institute of Laboratory Medicine, School of Medical Technology, Guangdong Medical University, Dongguan 523808, China
| | - Yongdui Ruan
- Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, The First Dongguan Affiliated Hospital, Guangdong Medical University, Dongguan 523808, China
| | - Hongmei Lu
- Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, The First Dongguan Affiliated Hospital, Guangdong Medical University, Dongguan 523808, China
| | - Shuhao Fan
- Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, The First Dongguan Affiliated Hospital, Guangdong Medical University, Dongguan 523808, China
- Institute of Laboratory Medicine, School of Medical Technology, Guangdong Medical University, Dongguan 523808, China
| | - Dongsheng Chen
- Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, The First Dongguan Affiliated Hospital, Guangdong Medical University, Dongguan 523808, China
- Institute of Laboratory Medicine, School of Medical Technology, Guangdong Medical University, Dongguan 523808, China
| | - Yuhe Huang
- Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, The First Dongguan Affiliated Hospital, Guangdong Medical University, Dongguan 523808, China
- Institute of Laboratory Medicine, School of Medical Technology, Guangdong Medical University, Dongguan 523808, China
| | - Tangxin Zhang
- Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, The First Dongguan Affiliated Hospital, Guangdong Medical University, Dongguan 523808, China
- Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan 523808, China
| | - Jiang Pi
- Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, The First Dongguan Affiliated Hospital, Guangdong Medical University, Dongguan 523808, China
- Institute of Laboratory Medicine, School of Medical Technology, Guangdong Medical University, Dongguan 523808, China
- Correspondence: (J.P.); (J.-F.X.)
| | - Jun-Fa Xu
- Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, The First Dongguan Affiliated Hospital, Guangdong Medical University, Dongguan 523808, China
- Institute of Laboratory Medicine, School of Medical Technology, Guangdong Medical University, Dongguan 523808, China
- Correspondence: (J.P.); (J.-F.X.)
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31
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Zhao C, Jian X, Gao Z, Song YY. Plasmon-Mediated Peroxidase-like Activity on an Asymmetric Nanotube Architecture for Rapid Visual Detection of Bacteria. Anal Chem 2022; 94:14038-14046. [PMID: 36170584 DOI: 10.1021/acs.analchem.2c03471] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Rapid and sensitive detection of bacteria from a complex real media remains a challenge. Herein, we report a visual bacterial sensing assay with excellent specificity, anti-interference ability, and sensitivity based on a surface plasmon resonance (SPR)-enhanced peroxidase (POD) mimetic. The POD mimetic based on Pt nanoparticles (NPs) asymmetrically decorated on Au/TiO2 magnetic nanotubes (Au/Pt/MTNTs) is designed by combining the intrinsic photocatalytic activity of TiO2 and the limited transport depth of light. It is revealed that the localized surface plasmon resonance (LSPR) effect of the asymmetric nanotubes is more effective in facilitating the generation of hot electrons, which are subsequently transferred to Pt and MTNTs, thus greatly promoting the catalytic performance. Using Staphylococcus aureus (S. aureus) as a model of Gram-positive bacteria, the dependence of the colorimetric reaction on the active sites of the POD mimetic is used for the sensing of target bacteria. Owing to the specific recognition between S. aureus and peptide, the fluorescein isothiocyanate (FITC) labeled peptide probes are captured by S. aureus and removed from the Au/Pt/MTNTs, leading to the recovery of POD-like activity and fluorescence emission of S. aureus. Particularly, benefiting from the Au-SPR effect and the magnetic feature of the Au/Pt/MTNTs, the recovery of catalytic activity induced an improved colorimetric assay with a wider linear response for S. aureus qualification and a detection limit of four cells, as well as satisfactory selectivity and feasibility for application in real samples. The plasmon-enhanced POD activity would provide a simple-yet-effective approach to achieve a colorimetric bioassay with high efficiency and sensitivity. This asymmetric design can also be utilized to engineer nanozymes in colorimetric assays for the specific detection of biotoxins, biomarkers, and cancer cells.
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Affiliation(s)
- Chenxi Zhao
- College of Sciences, Northeastern University, Shenyang 110004, China
| | - Xiaoxia Jian
- College of Sciences, Northeastern University, Shenyang 110004, China
| | - Zhida Gao
- College of Sciences, Northeastern University, Shenyang 110004, China
| | - Yan-Yan Song
- College of Sciences, Northeastern University, Shenyang 110004, China
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32
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Arshad F, Mohd-Naim NF, Chandrawati R, Cozzolino D, Ahmed MU. Nanozyme-based sensors for detection of food biomarkers: a review. RSC Adv 2022; 12:26160-26175. [PMID: 36275095 PMCID: PMC9475342 DOI: 10.1039/d2ra04444g] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Accepted: 09/07/2022] [Indexed: 11/21/2022] Open
Abstract
Nanozymes have piqued the curiosity of scientists in recent years because of their ability to demonstrate enzyme-like activity combined with advantages such as high stability, inexpensive availability, robust activity, and tunable properties. These attributes have allowed the successful application of nanozymes in sensing to detect various chemical and biological target analytes, overcoming the shortcomings of conventional detection techniques. In this review, we discuss recent developments of nanozyme-based sensors to detect biomarkers associated with food quality and safety. First, we present a brief introduction to this topic, followed by discussing the different types of sensors used in food biomarker detection. We then highlight recent studies on nanozyme-based sensors to detect food markers such as toxins, pathogens, antibiotics, growth hormones, metal ions, additives, small molecules, and drug residues. In the subsequent section, we discuss the challenges and possible solutions towards the development of nanozyme-based sensors for application in the food industry. Finally, we conclude the review by discussing future perspectives of this field towards successful detection and monitoring of food analytes.
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Affiliation(s)
- Fareeha Arshad
- Biosensors and Nanobiotechnology Laboratory, Faculty of Science, Universiti Brunei Darussalam Integrated Science Building Jalan Tungku Link Gadong BE 1410 Brunei Darussalam
| | - Noor Faizah Mohd-Naim
- Biosensors and Nanobiotechnology Laboratory, Faculty of Science, Universiti Brunei Darussalam Integrated Science Building Jalan Tungku Link Gadong BE 1410 Brunei Darussalam
- PAPRSB Institute of Health Science, Universiti Brunei Darussalam Gadong Brunei Darussalam
| | - Rona Chandrawati
- School of Chemical Engineering, University of New South Wales (UNSW Sydney) Sydney NSW 2052 Australia
| | - Daniel Cozzolino
- Centre for Nutrition and Food Sciences, The University of Queensland Australia
| | - Minhaz Uddin Ahmed
- Biosensors and Nanobiotechnology Laboratory, Faculty of Science, Universiti Brunei Darussalam Integrated Science Building Jalan Tungku Link Gadong BE 1410 Brunei Darussalam
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33
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Wang M, Zheng Z, Zhang Y, Wang G, Liu J, Yu H, Liu A. An ultrasensitive label-free electrochemical impedimetric immunosensor for vascular endothelial growth factor based on specific phage via negative pre-screening. Anal Chim Acta 2022; 1225:340250. [PMID: 36038244 DOI: 10.1016/j.aca.2022.340250] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 07/28/2022] [Accepted: 08/08/2022] [Indexed: 01/25/2023]
Abstract
As a vascular growth regulator, vascular endothelial growth factor (VEGF) exerts significant biological roles through specific binding to its receptors on the vascular endothelial cells. VEGF165 is generally referenced as a potential therapeutic target of many malignant tumors. In this study, a negative pre-screening strategy with structurally analogous members of VEGF121, VEGFC and VEGFD was first proposed for VEGF165 biopanning, aiming at significantly improving the specificity of the selected phage monoclones. Indirect ELISA experiment showed that the phage monoclone expressing peptide SPFLLRM demonstrates excellent affinity and specificity. Then a VEGF165 electrochemical impedimetric spectroscopy (EIS) immunosensor was constructed by above specific phage modified electrode. After optimizing the experimental conditions, the as-explored EIS immunosensor had a linear range of 0.5-1000 pg/mL with the limit of detection of 0.15 pg/mL VEGF165. In addition, the developed phage-based EIS immunosensor was applied to satisfactorily detect VEGF165 in human serum samples. Considering its ultra-sensitivity, good selectivity, batch reproducibility and stability, the screened selective phage-based EIS sensor is envisioned potential application in diagnosis and therapy.
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Affiliation(s)
- Mingyang Wang
- Institute for Chemical Biology & Biosensing, College of Life Sciences, Qingdao University, 308 Ningxia Road, Qingdao, 266071, China
| | - Zongmei Zheng
- Institute for Chemical Biology & Biosensing, College of Life Sciences, Qingdao University, 308 Ningxia Road, Qingdao, 266071, China
| | - Yaru Zhang
- Institute for Chemical Biology & Biosensing, College of Life Sciences, Qingdao University, 308 Ningxia Road, Qingdao, 266071, China
| | - Ge Wang
- Institute for Chemical Biology & Biosensing, College of Life Sciences, Qingdao University, 308 Ningxia Road, Qingdao, 266071, China
| | - Junchong Liu
- Institute for Chemical Biology & Biosensing, College of Life Sciences, Qingdao University, 308 Ningxia Road, Qingdao, 266071, China
| | - Haipeng Yu
- Institute for Chemical Biology & Biosensing, College of Life Sciences, Qingdao University, 308 Ningxia Road, Qingdao, 266071, China
| | - Aihua Liu
- Institute for Chemical Biology & Biosensing, College of Life Sciences, Qingdao University, 308 Ningxia Road, Qingdao, 266071, China.
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34
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Ji X, Li Q, Song H, Fan C. Protein-Mimicking Nanoparticles in Biosystems. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2201562. [PMID: 35576606 DOI: 10.1002/adma.202201562] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 05/04/2022] [Indexed: 06/15/2023]
Abstract
Proteins are essential elements for almost all life activities. The emergence of nanotechnology offers innovative strategies to create a diversity of nanoparticles (NPs) with intrinsic capacities of mimicking the functions of proteins. These artificial mimics are produced in a cost-efficient and controllable manner, with their protein-mimicking performances comparable or superior to those of natural proteins. Moreover, they can be endowed with additional functionalities that are absent in natural proteins, such as cargo loading, active targeting, membrane penetrating, and multistimuli responding. Therefore, protein-mimicking NPs have been utilized more and more often in biosystems for a wide range of applications including detection, imaging, diagnosis, and therapy. To highlight recent progress in this broad field, herein, representative protein-mimicking NPs that fall into one of the four distinct categories are summarized: mimics of enzymes (nanozymes), mimics of fluorescent proteins, NPs with high affinity binding to specific proteins or DNA sequences, and mimics of protein scaffolds. This review covers their subclassifications, characteristic features, functioning mechanisms, as well as the extensive exploitation of their great potential for biological and biomedical purposes. Finally, the challenges and prospects in future development of protein-mimicking NPs are discussed.
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Affiliation(s)
- Xiaoyuan Ji
- State Key Laboratory of Oncogenes and Related Genes, Center for Single-Cell Omics, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Qian Li
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules and National Center for Translational Medicine, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Haiyun Song
- State Key Laboratory of Oncogenes and Related Genes, Center for Single-Cell Omics, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Chunhai Fan
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules and National Center for Translational Medicine, Shanghai Jiao Tong University, Shanghai, 200240, China
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35
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Ali S, Sikdar S, Basak S, Roy D, Dakua VK, Adhikary P, Roy MN. High Visual Colorimetric Determination of F‐ Ions by Exploiting the Inhibition of Oxidase Mimicking Activity of FeMnO4@GQD Nanocomposite. ChemistrySelect 2022. [DOI: 10.1002/slct.202201186] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Salim Ali
- Department of Chemistry University of North Bengal Darjeeling India
| | - Suranjan Sikdar
- Department of Chemistry Govt. General Degree College at Kushmandi, Kushmandi Dakshin Dinajpur India
| | - Shatarupa Basak
- Department of Chemistry University of North Bengal Darjeeling India
| | - Debadrita Roy
- Department of Chemistry University of North Bengal Darjeeling India
| | - Vikas K Dakua
- Department of Chemistry Alipurduar University Alipurduar India
| | | | - Mahendra N. Roy
- Department of Chemistry University of North Bengal Darjeeling India
- Department of Chemistry Govt. General Degree College at Kushmandi, Kushmandi Dakshin Dinajpur India
- Department of Chemistry Alipurduar University Alipurduar India
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Wang M, Jiang M, Liao X, Wang X, Lai W, Li P, Li J, Hong C, Qi Y. Preparation of an electrochemical immunosensor based on a Cu/Cu 2O-rGO@Au signal synergistic amplification strategy and efficient and sensitive detection of alpha-fetoprotein. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2022; 14:2703-2713. [PMID: 35770823 DOI: 10.1039/d2ay00734g] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
The effective amplification of the signal is the prerequisite for the ultrasensitive detection of electrochemical immunosensors. To quantitatively detect alpha-fetoprotein (AFP), we prepared a sandwich-type electrochemical immunosensor. Using a gold nanoparticles (Au NPs) modified glassy carbon electrode (GCE) as the sensing platform and Cu/Cu2O-rGO@Au as the signal label, differential pulse voltammetry (DPV) was used to achieve sensitive detection of AFP. We found that the nanomaterials can undergo electro-oxidation and electro-reduction reactions between Cu(I) and Cu(II) in a buffer solution of pH = 6.0. It is worth mentioning that the incorporation of metals into metal oxide substrates is a new strategy to combine the catalytic activity of metal oxides with the electrical conductivity of metals. Reduced graphene oxide (rGO), which is rich in oxygen-containing groups, can load more Cu/Cu2O and Au NPs and increase the conductivity. The modification of Au NPs makes them have better biocompatibility and conductivity. Under the best detection conditions, the prepared immunosensor realizes the specific and ultrasensitive detection of AFP. The detection range is 0.01-50 ng mL-1 and the limit of detection (LOD) was as low as 0.589 pg mL-1 (S/N = 3); meanwhile it also has good practical application ability. Therefore, this immunosensor provides an important means for the early screening and detection of AFP.
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Affiliation(s)
- Min Wang
- Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, Engineering Research Center of Materials-Oriented Chemical Engineering of Xinjiang Production and Construction Corps, School of Chemistry and Chemical Engineering, Shihezi University, Shihezi 832003, PR China.
| | - Mingzhe Jiang
- Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, Engineering Research Center of Materials-Oriented Chemical Engineering of Xinjiang Production and Construction Corps, School of Chemistry and Chemical Engineering, Shihezi University, Shihezi 832003, PR China.
| | - Xiaochen Liao
- Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, Engineering Research Center of Materials-Oriented Chemical Engineering of Xinjiang Production and Construction Corps, School of Chemistry and Chemical Engineering, Shihezi University, Shihezi 832003, PR China.
| | - Xiao Wang
- Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, Engineering Research Center of Materials-Oriented Chemical Engineering of Xinjiang Production and Construction Corps, School of Chemistry and Chemical Engineering, Shihezi University, Shihezi 832003, PR China.
| | - Wenjing Lai
- Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, Engineering Research Center of Materials-Oriented Chemical Engineering of Xinjiang Production and Construction Corps, School of Chemistry and Chemical Engineering, Shihezi University, Shihezi 832003, PR China.
| | - Pengli Li
- Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, Engineering Research Center of Materials-Oriented Chemical Engineering of Xinjiang Production and Construction Corps, School of Chemistry and Chemical Engineering, Shihezi University, Shihezi 832003, PR China.
| | - Jiajia Li
- Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, Engineering Research Center of Materials-Oriented Chemical Engineering of Xinjiang Production and Construction Corps, School of Chemistry and Chemical Engineering, Shihezi University, Shihezi 832003, PR China.
| | - Chenglin Hong
- Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, Engineering Research Center of Materials-Oriented Chemical Engineering of Xinjiang Production and Construction Corps, School of Chemistry and Chemical Engineering, Shihezi University, Shihezi 832003, PR China.
| | - Yu Qi
- Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, Engineering Research Center of Materials-Oriented Chemical Engineering of Xinjiang Production and Construction Corps, School of Chemistry and Chemical Engineering, Shihezi University, Shihezi 832003, PR China.
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An ultrasensitive and dual-recognition SERS biosensor based on Fe3O4@Au-Teicoplanin and aptamer functionalized Au@Ag nanoparticles for detection of Staphylococcus aureus. Talanta 2022; 250:123648. [DOI: 10.1016/j.talanta.2022.123648] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Revised: 05/30/2022] [Accepted: 06/01/2022] [Indexed: 12/30/2022]
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Niu L, Cai Y, Dong T, Zhang Y, Liu X, Zhang X, Zeng L, Liu A. Vanadium nitride@carbon nanofiber composite: Synthesis, cascade enzyme mimics and its sensitive and selective colorimetric sensing of superoxide anion. Biosens Bioelectron 2022; 210:114285. [PMID: 35489274 DOI: 10.1016/j.bios.2022.114285] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Revised: 04/05/2022] [Accepted: 04/11/2022] [Indexed: 01/04/2023]
Abstract
Nanozymes featuring with favorable activity, good stability and easy scale-up production, are promising to replace natural enzymes for various applications. However, it remains a challenge to explore the cascade reactions of multi-enzyme mimics, aiming at synergistic catalysis for various applications. Herein, vanadium nitride nanoparticles deposited on carbon nanofibers (VN@CNFs) composite was facilely prepared by typical electrospinning route with subsequently ammonia reduction process. The nanocomposite showed excellent peroxidase (POD)-like and superoxide dismutase (SOD)-like activities. Additionally, their catalytic mechanisms were systematically researched. Coupling of SOD-like with POD-like as cascade enzyme, a selective and sensitive colorimetric detection of superoxide anion (O2•-) was explored, which has two linear parts, 0.05-30 μM and 30-250 μM O2•- with the LOD of 0.0167 μM (S/N = 3). The as-proposed method was applicable to practical samples detection with satisfactory accuracy and recovery. Therefore, the VN@CNFs composite shows great prospect in biosensing, superoxide anion removal and biocatalysis.
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Affiliation(s)
- Lingxi Niu
- Institute for Chemical Biology & Biosensing, College of Life Sciences, Qingdao University, 308 Ningxia Road, Qingdao, 266071, China
| | - Yuanyuan Cai
- Institute for Chemical Biology & Biosensing, College of Life Sciences, Qingdao University, 308 Ningxia Road, Qingdao, 266071, China
| | - Tao Dong
- Institute for Chemical Biology & Biosensing, College of Life Sciences, Qingdao University, 308 Ningxia Road, Qingdao, 266071, China; School of Pharmacy, Medical College, Qingdao University, 308 Ningxia Road, Qingdao, 266071, China
| | - Yujiao Zhang
- Institute for Chemical Biology & Biosensing, College of Life Sciences, Qingdao University, 308 Ningxia Road, Qingdao, 266071, China
| | - Xuxin Liu
- Institute for Chemical Biology & Biosensing, College of Life Sciences, Qingdao University, 308 Ningxia Road, Qingdao, 266071, China
| | - Xin Zhang
- Institute for Chemical Biology & Biosensing, College of Life Sciences, Qingdao University, 308 Ningxia Road, Qingdao, 266071, China
| | - Lingxing Zeng
- College of Environmental Science and Engineering, Fujian Key Laboratory of Pollution Control & Resource Reuse, Fujian Normal University, Fuzhou, Fujian, 350007, China.
| | - Aihua Liu
- Institute for Chemical Biology & Biosensing, College of Life Sciences, Qingdao University, 308 Ningxia Road, Qingdao, 266071, China.
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Songca SP. Applications of Nanozymology in the Detection and Identification of Viral, Bacterial and Fungal Pathogens. Int J Mol Sci 2022; 23:4638. [PMID: 35563029 PMCID: PMC9100627 DOI: 10.3390/ijms23094638] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2022] [Revised: 02/12/2022] [Accepted: 02/21/2022] [Indexed: 02/05/2023] Open
Abstract
Nanozymes are synthetic nanoparticulate materials that mimic the biological activities of enzymes by virtue of their surface chemistry. Enzymes catalyze biological reactions with a very high degree of specificity. Examples include the horseradish peroxidase, lactate, glucose, and cholesterol oxidases. For this reason, many industrial uses of enzymes outside their natural environments have been developed. Similar to enzymes, many industrial applications of nanozymes have been developed and used. Unlike the enzymes, however, nanozymes are cost-effectively prepared, purified, stored, and reproducibly and repeatedly used for long periods of time. The detection and identification of pathogens is among some of the reported applications of nanozymes. Three of the methodologic milestones in the evolution of pathogen detection and identification include the incubation and growth, immunoassays and the polymerase chain reaction (PCR) strategies. Although advances in the history of pathogen detection and identification have given rise to novel methods and devices, these are still short of the response speed, accuracy and cost required for point-of-care use. Debuting recently, nanozymology offers significant improvements in the six methodological indicators that are proposed as being key in this review, including simplicity, sensitivity, speed of response, cost, reliability, and durability of the immunoassays and PCR strategies. This review will focus on the applications of nanozymes in the detection and identification of pathogens in samples obtained from foods, natural, and clinical sources. It will highlight the impact of nanozymes in the enzyme-linked immunosorbent and PCR strategies by discussing the mechanistic improvements and the role of the design and architecture of the nanozyme nanoconjugates. Because of their contribution to world health burden, the three most important pathogens that will be considered include viruses, bacteria and fungi. Although not quite seen as pathogens, the review will also consider the detection of cancer cells and helminth parasites. The review leaves very little doubt that nanozymology has introduced remarkable advances in enzyme-linked immunosorbent assays and PCR strategies for detecting these five classes of pathogens. However, a gap still exists in the application of nanozymes to detect and identify fungal pathogens directly, although indirect strategies in which nanozymes are used have been reported. From a mechanistic point of view, the nanozyme technology transfer to laboratory research methods in PCR and enzyme-linked immunosorbent assay studies, and the point-of-care devices such as electronic biosensors and lateral flow detection strips, that is currently taking place, is most likely to give rise to no small revolution in each of the six methodological indicators for pathogen detection and identification. While the evidence of widespread research reports, clinical trials and point-of-care device patents support this view, the gaps that still exist point to a need for more basic research studies to be conducted on the applications of nanozymology in pathogen detection and identification. The multidisciplinary nature of the research on the application of nanozymes in the detection and identification of pathogens requires chemists and physicists for the design, fabrication, and characterization of nanozymes; microbiologists for the design, testing and analysis of the methodologies, and clinicians or clinical researchers for the evaluation of the methodologies and devices in the clinic. Many reports have also implicated required skills in mathematical modelling, and electronic engineering. While the review will conclude with a synopsis of the impact of nanozymology on the detection and identification of viruses, bacteria, fungi, cancer cells, and helminths, it will also point out opportunities that exist in basic research as well as opportunities for innovation aimed at novel laboratory methodologies and devices. In this regard there is no doubt that there are numerous unexplored research areas in the application of nanozymes for the detection of pathogens. For example, most research on the applications of nanozymes for the detection and identification of fungi is so far limited only to the detection of mycotoxins and other chemical compounds associated with fungal infection. Therefore, there is scope for exploration of the application of nanozymes in the direct detection of fungi in foods, especially in the agricultural production thereof. Many fungal species found in seeds severely compromise their use by inactivating the germination thereof. Fungi also produce mycotoxins that can severely compromise the health of humans if consumed.
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Affiliation(s)
- Sandile Phinda Songca
- School of Chemistry and Physics, College of Agriculture Engineering and Science, University of KwaZulu-Natal, Durban 4041, South Africa
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Filik K, Szermer-Olearnik B, Oleksy S, Brykała J, Brzozowska E. Bacteriophage Tail Proteins as a Tool for Bacterial Pathogen Recognition-A Literature Review. Antibiotics (Basel) 2022; 11:555. [PMID: 35625199 PMCID: PMC9137617 DOI: 10.3390/antibiotics11050555] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 04/13/2022] [Accepted: 04/19/2022] [Indexed: 12/23/2022] Open
Abstract
In recent years, a number of bacterial detection methods have been developed to replace time-consuming culture methods. One interesting approach is to mobilize the ability of phage tail proteins to recognize and bind to bacterial hosts. In this paper, the authors provide an overview of the current methodologies in which phage proteins play major roles in detecting pathogenic bacteria. Authors focus on proteins capable of recognizing highly pathogenic strains, such as Acinetobacter baumannii, Campylobacter spp., Yersinia pestis, Pseudomonas aeruginosa, Listeria monocytogenes, Staphylococcus aureus, Enterococcus spp., Salmonella spp., and Shigella. These pathogens may be diagnosed by capture-based detection methods involving the use of phage protein-coated nanoparticles, ELISA (enzyme-linked immunosorbent assay)-based methods, or biosensors. The reviewed studies show that phage proteins are becoming an important diagnostic tool due to the discovery of new phages and the increasing knowledge of understanding the specificity and functions of phage tail proteins.
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Affiliation(s)
- Karolina Filik
- Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, St. R. Weigl 12, 51-167 Wroclaw, Poland; (S.O.); (J.B.); (E.B.)
| | - Bożena Szermer-Olearnik
- Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, St. R. Weigl 12, 51-167 Wroclaw, Poland; (S.O.); (J.B.); (E.B.)
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Tan J, Geng W, Li J, Wang Z, Zhu S, Wang X. Colorimetric and Fluorescence Dual-Mode Biosensors Based on Peroxidase-Like Activity of the Co3O4 Nanosheets. Front Chem 2022; 10:871013. [PMID: 35480390 PMCID: PMC9037028 DOI: 10.3389/fchem.2022.871013] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Accepted: 03/09/2022] [Indexed: 11/20/2022] Open
Abstract
The mimic enzyme has become a research hotspot in recent years because of its advantages of high stability, convenient preparation, and low price. In this article, Co3O4 nanosheets synthesized by a simple hydrothermal method possess the characteristics of a peroxidase-like activity. The results demonstrated that 3,3′,5,5′-Tetramethylbenzidine (TMB) could be oxidized by H2O2 to produce a typical blue product (oxTMB) which has a strong absorption at 650 nm wavelength with the help of the Co3O4 nanosheets. Thus, a simple and sensitive colorimetric detection method for H2O2 was established with a good linear relationship (2–200 μM) and a low limit of detection (0.4 μM). Meanwhile, the colorimetric product can effectively quench the fluorescence emitted by Ru(bpy)32+. Therefore, a colorimetric and fluorescence dual detection mode photochemical sensor for H2O2 detection is constructed based on the principle of the inner filter effect (IFE) between the colorimetric product (oxTMB) and Ru(bpy)32+. It can effectively avoid the false positive problem of a single detection mode. In the presence of glucose oxidase, glucose can be catalyzed to produce gluconic acid and H2O2; therefore, the sensor can also be used for the determination of glucose with a good linear relationship (0.02–2 μM) and a low limit of detection (5 nM). Experimental results showed that the sensor has a high sensitivity and strong anti-interference ability which can be used for the detection of actual samples.
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Affiliation(s)
- Jingying Tan
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao, China
| | - Weifu Geng
- College of Plant Health and Medicine, Qingdao Agricultural University, Qingdao, China
| | - Junde Li
- Hospital of Qingdao Agricultural University, Qingdao Agricultural University, Qingdao, China
| | - Zhen Wang
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao, China
| | - Shaohao Zhu
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao, China
| | - Xiuzhong Wang
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao, China
- *Correspondence: Xiuzhong Wang,
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Cai Y, Niu L, Liu X, Zhang Y, Zheng Z, Zeng L, Liu A. Hierarchical porous MoS 2 particles: excellent multi-enzyme-like activities, mechanism and its sensitive phenol sensing based on inhibition of sulfite oxidase mimics. JOURNAL OF HAZARDOUS MATERIALS 2022; 425:128053. [PMID: 34915296 DOI: 10.1016/j.jhazmat.2021.128053] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Revised: 11/25/2021] [Accepted: 12/07/2021] [Indexed: 05/14/2023]
Abstract
It is important to exploit highly efficient methods for detecting pollutants selectively and sensitively. Artificial enzymes are promising to replace natural enzymes with diverse functions for sustainable developments and various applications. However, it remains the challenge to develop novel mimic enzymes or multi-enzyme mimics for pollutant detection. Herein we report hierarchical porous MoS2 particles prepared by a simple hydrothermal method, which demonstrated excellent sulfite oxidase (SuOx)-, nicotinamide adenine dinucleotide (NADH) oxidase- and superoxide dismutase-mimicking activities. In addition, the catalytic conditions for SuOx-like and NADH oxidase-like activities of MoS2 were optimized. The catalytic mechanism of the NADH oxidase mimics is that O2 involves in the oxidation of NADH, to generate O2.- intermediate and finally turn to H2O2, while SuOx mimics comes from that MoS2 particles can effectively catalyze sulfite to reduce [Fe(CN)6]3-. Based on the excellent SuOx-like activity of MoS2 particles, while phenol can inhibit the oxidation of sulfite, a phenol colorimetric sensor was explored with the dynamic range of 2-1000 μM and the limit of detection of 0.72 μM, applicable to detect phenol in effluents. Therefore, MoS2 particles with the SuOx-like, NADH oxidase-like and SOD-like activities has broad application prospects in environmental monitoring and bio-analysis.
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Affiliation(s)
- Yuanyuan Cai
- Institute for Chemical Biology & Biosensing, College of Life Sciences, and School of Pharmacy, Medical College, Qingdao University, 308 Ningxia Road, Qingdao 266071, China
| | - Lingxi Niu
- Institute for Chemical Biology & Biosensing, College of Life Sciences, and School of Pharmacy, Medical College, Qingdao University, 308 Ningxia Road, Qingdao 266071, China
| | - Xuan Liu
- Institute for Chemical Biology & Biosensing, College of Life Sciences, and School of Pharmacy, Medical College, Qingdao University, 308 Ningxia Road, Qingdao 266071, China
| | - Yujiao Zhang
- Institute for Chemical Biology & Biosensing, College of Life Sciences, and School of Pharmacy, Medical College, Qingdao University, 308 Ningxia Road, Qingdao 266071, China
| | - Zongmei Zheng
- Institute for Chemical Biology & Biosensing, College of Life Sciences, and School of Pharmacy, Medical College, Qingdao University, 308 Ningxia Road, Qingdao 266071, China
| | - Lingxing Zeng
- College of Environmental Science and Engineering, Fujian Key Laboratory of Pollution Control & Resource Reuse, Fujian Normal University, Fuzhou, Fujian 350007, China
| | - Aihua Liu
- Institute for Chemical Biology & Biosensing, College of Life Sciences, and School of Pharmacy, Medical College, Qingdao University, 308 Ningxia Road, Qingdao 266071, China.
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Petrenko VA, Gillespie JW, De Plano LM, Shokhen MA. Phage-Displayed Mimotopes of SARS-CoV-2 Spike Protein Targeted to Authentic and Alternative Cellular Receptors. Viruses 2022; 14:v14020384. [PMID: 35215976 PMCID: PMC8879608 DOI: 10.3390/v14020384] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 02/08/2022] [Accepted: 02/10/2022] [Indexed: 12/11/2022] Open
Abstract
The evolution of the SARS-CoV-2 virus during the COVID-19 pandemic was accompanied by the emergence of new heavily mutated viral variants with increased infectivity and/or resistance to detection by the human immune system. To respond to the urgent need for advanced methods and materials to empower a better understanding of the mechanisms of virus’s adaptation to human host cells and to the immuno-resistant human population, we suggested using recombinant filamentous bacteriophages, displaying on their surface foreign peptides termed “mimotopes”, which mimic the structure of viral receptor-binding sites on the viral spike protein and can serve as molecular probes in the evaluation of molecular mechanisms of virus infectivity. In opposition to spike-binding antibodies that are commonly used in studying the interaction of the ACE2 receptor with SARS-CoV-2 variants in vitro, phage spike mimotopes targeted to other cellular receptors would allow discovery of their role in viral infection in vivo using cell culture, tissue, organs, or the whole organism. Phage mimotopes of the SARS-CoV-2 Spike S1 protein have been developed using a combination of phage display and molecular mimicry concepts, termed here “phage mimicry”, supported by bioinformatics methods. The key elements of the phage mimicry concept include: (1) preparation of a collection of p8-type (landscape) phages, which interact with authentic active receptors of live human cells, presumably mimicking the binding interactions of human coronaviruses such as SARS-CoV-2 and its variants; (2) discovery of closely related amino acid clusters with similar 3D structural motifs on the surface of natural ligands (FGF1 and NRP1), of the model receptor of interest FGFR and the S1 spike protein; and (3) an ELISA analysis of the interaction between candidate phage mimotopes with FGFR3 (a potential alternative receptor) in comparison with ACE2 (the authentic receptor).
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Affiliation(s)
- Valery A. Petrenko
- Department of Pathobiology, College of Veterinary Medicine, Auburn University, Auburn, AL 36849, USA
- Correspondence: (V.A.P.); (J.W.G.); Tel.: +1-334-844-2897 (V.A.P.); +1-334-844-2625 (J.W.G.)
| | - James W. Gillespie
- Department of Pathobiology, College of Veterinary Medicine, Auburn University, Auburn, AL 36849, USA
- Correspondence: (V.A.P.); (J.W.G.); Tel.: +1-334-844-2897 (V.A.P.); +1-334-844-2625 (J.W.G.)
| | - Laura Maria De Plano
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98122 Messina, Italy;
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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] [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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Ghosh S, Singh P, Roy S, Bhardwaj K, Jaiswal A. Superior Peroxidase-Like activity of Gold Nanorattles in Ultrasensitive H2O2 Sensing and Antioxidant Screening. Chembiochem 2022; 23:e202100691. [PMID: 35128765 DOI: 10.1002/cbic.202100691] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Revised: 02/04/2022] [Indexed: 11/06/2022]
Abstract
Nanozymes are artificial enzyme systems which are easy to produce, highly stable and cost-effective in comparison to natural enzymes. Herein, we evaluated the peroxidase like activity of gold nanorattles (AuNRTs) having a solid gold octahedron core and thin, porous cubic gold shell. We also prepared solid gold nanocube and nanosphere of similar sizes and surface charge as that of AuNRTs and compared its activity with standard horse radish peroxidase (HRP) enzyme. All the prepared nanostructures followed Michaelis-Menten kinetics as observed from their substrate vs initial reaction velocity plot using 3',5,5'-tetramethylbenzidine (TMB) as a substrate. The kinetic parameters demonstrated that AuNRTs possess the best nanozymatic activity with lowest K M and highest catalytic efficiency (K cat /K M ). The better activity of AuNRTs compared with other nanostructures and HRP could be attributed to the hollow porous structure with a solid core where different surfaces are available for the nanozymatic reaction. AuNRTs, being the best amongst the tested nanozymes were further used for the sensing of hydrogen peroxide (H 2 O 2 ) and it was able to sense H 2 O 2 down to 0.5 μM concentration. Further, two naturally occurring antioxidants, tannic acid and ascorbic acid showed inhibitory effect on the peroxidase like activity of AuNRTs in a concentration dependent manner which can be further be used for screening of antioxidants or for determining the antioxidant potential.
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Affiliation(s)
- Swachhatoa Ghosh
- IIT Mandi: Indian Institute of Technology Mandi, School of Basic Sciences, INDIA
| | - Prem Singh
- IIT Mandi: Indian Institute of Technology Mandi, School of Basic Sciences, INDIA
| | - Shounak Roy
- IIT Mandi: Indian Institute of Technology Mandi, School of Basic Sciences, INDIA
| | - Keshav Bhardwaj
- Indian Institute of Technology Mandi, School of Basic Sciences, INDIA
| | - Amit Jaiswal
- Indian Institute of Technology Mandi, School of Basic Sciences, Kamand, 175005, Mandi, INDIA
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Long T, Wu H, Qiao C, Bao B, Zhao S, Liu H. Nonnegligible nano-confinement effect on solvent-mediated interactions between nanoparticles. Chem Eng Sci 2022. [DOI: 10.1016/j.ces.2021.117238] [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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Gopal A, Yan L, Kashif S, Munshi T, Roy VAL, Voelcker NH, Chen X. Biosensors and Point-of-Care Devices for Bacterial Detection: Rapid Diagnostics Informing Antibiotic Therapy. Adv Healthc Mater 2022; 11:e2101546. [PMID: 34850601 DOI: 10.1002/adhm.202101546] [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: 07/30/2021] [Revised: 11/20/2021] [Indexed: 02/06/2023]
Abstract
With an exponential rise in antimicrobial resistance and stagnant antibiotic development pipeline, there is, more than ever, a crucial need to optimize current infection therapy approaches. One of the most important stages in this process requires rapid and effective identification of pathogenic bacteria responsible for diseases. Current gold standard techniques of bacterial detection include culture methods, polymerase chain reactions, and immunoassays. However, their use is fraught with downsides with high turnaround time and low accuracy being the most prominent. This imposes great limitations on their eventual application as point-of-care devices. Over time, innovative detection techniques have been proposed and developed to curb these drawbacks. In this review, a systematic summary of a range of biosensing platforms is provided with a strong focus on technologies conferring high detection sensitivity and specificity. A thorough analysis is performed and the benefits and drawbacks of each type of biosensor are highlighted, the factors influencing their potential as point-of-care devices are discussed, and the authors' insights for their translation from proof-of-concept systems into commercial medical devices are provided.
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Affiliation(s)
- Ashna Gopal
- School of Engineering Institute for Bioengineering The University of Edinburgh Edinburgh EH9 3JL UK
| | - Li Yan
- College of Health Science and Environmental Engineering Shenzhen Technology University Shenzhen 518118 China
| | - Saima Kashif
- School of Engineering Institute for Bioengineering The University of Edinburgh Edinburgh EH9 3JL UK
| | - Tasnim Munshi
- School of Chemistry University of Lincoln, Brayford Pool Lincoln Lincolnshire LN6 7TS UK
| | | | - Nicolas H. Voelcker
- Drug Delivery Disposition and Dynamics Monash Institute of Pharmaceutical Sciences Monash University Parkville Victoria VIC 3052 Australia
- Melbourne Centre for Nanofabrication Victorian Node of the Australian National Fabrication Facility Clayton Victoria 3168 Australia
- Commonwealth Scientific and Industrial Research Organisation (CSIRO) Clayton Victoria 3168 Australia
| | - Xianfeng Chen
- School of Engineering Institute for Bioengineering The University of Edinburgh Edinburgh EH9 3JL UK
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Wang Z, Xu Z, Zhu B, Zhang Y, Lin J, Wu Y, Wu D. Design, fabrication and application of magnetically actuated micro/nanorobots: a review. NANOTECHNOLOGY 2022; 33:152001. [PMID: 34915458 DOI: 10.1088/1361-6528/ac43e6] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Accepted: 12/16/2021] [Indexed: 06/14/2023]
Abstract
Magnetically actuated micro/nanorobots are typical micro- and nanoscale artificial devices with favorable attributes of quick response, remote and contactless control, harmless human-machine interaction and high economic efficiency. Under external magnetic actuation strategies, they are capable of achieving elaborate manipulation and navigation in extreme biomedical environments. This review focuses on state-of-the-art progresses in design strategies, fabrication techniques and applications of magnetically actuated micro/nanorobots. Firstly, recent advances of various robot designs, including helical robots, surface walkers, ciliary robots, scaffold robots and biohybrid robots, are discussed separately. Secondly, the main progresses of common fabrication techniques are respectively introduced, and application achievements on these robots in targeted drug delivery, minimally invasive surgery and cell manipulation are also presented. Finally, a short summary is made, and the current challenges and future work for magnetically actuated micro/nanorobots are discussed.
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Affiliation(s)
- Zhongbao Wang
- Department of Mechanical and Electrical Engineering, Xiamen University, Xiamen, 361005, People's Republic of China
- Shenzhen Research Institute of Xiamen University, Shenzhen, 518057, People's Republic of China
| | - Zhenjin Xu
- Department of Mechanical and Electrical Engineering, Xiamen University, Xiamen, 361005, People's Republic of China
- Shenzhen Research Institute of Xiamen University, Shenzhen, 518057, People's Republic of China
| | - Bin Zhu
- Department of Mechanical and Electrical Engineering, Xiamen University, Xiamen, 361005, People's Republic of China
- Shenzhen Research Institute of Xiamen University, Shenzhen, 518057, People's Republic of China
| | - Yang Zhang
- Department of Mechanical and Electrical Engineering, Xiamen University, Xiamen, 361005, People's Republic of China
- Shenzhen Research Institute of Xiamen University, Shenzhen, 518057, People's Republic of China
| | - Jiawei Lin
- Department of Mechanical and Electrical Engineering, Xiamen University, Xiamen, 361005, People's Republic of China
- Shenzhen Research Institute of Xiamen University, Shenzhen, 518057, People's Republic of China
| | - Yigen Wu
- Department of Mechanical and Electrical Engineering, Xiamen University, Xiamen, 361005, People's Republic of China
- Shenzhen Research Institute of Xiamen University, Shenzhen, 518057, People's Republic of China
| | - Dezhi Wu
- Department of Mechanical and Electrical Engineering, Xiamen University, Xiamen, 361005, People's Republic of China
- Shenzhen Research Institute of Xiamen University, Shenzhen, 518057, People's Republic of China
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Development of a fluorescence sensing platform for specific and sensitive detection of pathogenic bacteria in food samples. Food Control 2022. [DOI: 10.1016/j.foodcont.2021.108419] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Huang Y, Su E, Mu X, Wang J, Wang Y, Xie J, Ying R. The recent development of nanozymes for food quality and safety detection. J Mater Chem B 2022; 10:1359-1368. [DOI: 10.1039/d1tb02667d] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
As potential mimics of natural enzymes, nanozymes overcome many disadvantages of natural enzymes such as complex preparation and purification process, high price, poor stability and low recycling efficiency. Combined with...
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