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Yang Y, Gao F, Liang Y, Guo L, Pan Y, Cao P, Zhang Y. Target-Responsive DNA Nanoclaw for the On-Site Identification of Chinese Medicines with Naked Eye. ACS APPLIED MATERIALS & INTERFACES 2024; 16:10580-10589. [PMID: 38364286 DOI: 10.1021/acsami.3c15240] [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: 02/18/2024]
Abstract
The identification of Chinese medicinal herbs occupies a crucial part in the development of the food and drug market. Although molecular identification based on real-time PCR offers good versatility and uniform digital standards compared with traditional methods, such as morphology, the dependence on large-scale equipment hinders spot detection and marketable applications. In this study, we developed a DNA nanoclaw for colorimetric detection and visible on-site identification of Chinese medicines. When specific miRNA is present, the DNAzyme is activated and cleaves the substrate strand, triggering the catalytic hairpin assembly (CHA) reaction and forming branched DNA junctions on AuNP-I. This can then capture AuNP-II through hybridization and facilitate their aggregation, resulting in a noticeable color change that is observable to the naked eye. By harnessing the dual amplification of DNAzyme and CHA, this highly sensitive nanoprobe successfully achieved specific identification of Chinese medicines. This offers a new perspective for on-site testing in the herbal market.
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Affiliation(s)
- Yuanhuan Yang
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Feng Gao
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Ying Liang
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Lichao Guo
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Yang Pan
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Peng Cao
- The Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou Peoples Hospital, Quzhou 324000, China
- Jiangsu Provincial Medical Innovation Center, Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210028, China
| | - Yue Zhang
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
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Li Y, Hu Q, Zhang J, Zhou H, Wang N, Fang Y, Cui B. T4PPVB-COP composite-driven innovative electrochemiluminescence aptasensor for ultra-sensitive detection of chlorpyrifos. Food Chem 2023; 427:136713. [PMID: 37390738 DOI: 10.1016/j.foodchem.2023.136713] [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: 02/22/2023] [Revised: 06/15/2023] [Accepted: 06/21/2023] [Indexed: 07/02/2023]
Abstract
Herein, an enhanced electrochemiluminescence (ECL) aptasensor driven by a complex (T4PPVB-COP@CdS QDs) with large specific surface area and high stability was constructed for highly sensitive detection of chlorpyrifos (CPF), using electrostatic interactions and signal amplification techniques. In the presence of CPF, the specific binding between the aptamer and CPF caused partial detachment of the aptamer from the sensor, thus restoring the ECL signal. Notably, gold nanoparticles functionalized with streptavidin (SA) as signal enhancers further amplified the ECL signal in specific interactions with aptamers, thereby improving the sensitivity of the assay. Based on this, the proposed ECL aptasensor demonstrated significant detection performance for CPF with a linear range of 1-107 pg/mL and a LOD of 0.34 pg/mL. Furthermore, the feasibility of the ECL aptasensor was validated by the detection and analysis of CPF in real samples, which also provided a broad reference value for bioanalysis.
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Affiliation(s)
- Yanping Li
- School of Food Science and Engineering, State Key Laboratory of Biobased Material and Green Papermaking, School of Materials Science and Engineering, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, China
| | - Qiong Hu
- Guangxi Key Laboratory of Agricultural Resources Chemistry and Biotechnology, College of Chemistry and Food Science, Yulin Normal University, Yulin 537000, Guangxi, China
| | - Jihui Zhang
- School of Food Science and Engineering, State Key Laboratory of Biobased Material and Green Papermaking, School of Materials Science and Engineering, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, China
| | - Hong Zhou
- School of Food Science and Engineering, State Key Laboratory of Biobased Material and Green Papermaking, School of Materials Science and Engineering, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, China
| | - Na Wang
- School of Food Science and Engineering, State Key Laboratory of Biobased Material and Green Papermaking, School of Materials Science and Engineering, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, China
| | - Yishan Fang
- School of Food Science and Engineering, State Key Laboratory of Biobased Material and Green Papermaking, School of Materials Science and Engineering, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, China.
| | - Bo Cui
- School of Food Science and Engineering, State Key Laboratory of Biobased Material and Green Papermaking, School of Materials Science and Engineering, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, China
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He S, Yu S, Li R, Chen Y, Wang Q, He Y, Liu X, Wang F. On‐Site Non‐enzymatic Orthogonal Activation of a Catalytic DNA Circuit for Self‐Reinforced In Vivo MicroRNA Imaging. Angew Chem Int Ed Engl 2022; 61:e202206529. [DOI: 10.1002/anie.202206529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Indexed: 11/11/2022]
Affiliation(s)
- Shizhen He
- College of Chemistry and Molecular Sciences Wuhan University Wuhan P. R. China
| | - Shanshan Yu
- College of Chemistry and Molecular Sciences Wuhan University Wuhan P. R. China
| | - Ruomeng Li
- College of Chemistry and Molecular Sciences Wuhan University Wuhan P. R. China
| | - Yingying Chen
- College of Chemistry and Molecular Sciences Wuhan University Wuhan P. R. China
| | - Qing Wang
- College of Chemistry and Molecular Sciences Wuhan University Wuhan P. R. China
| | - Yuqiu He
- College of Chemistry and Molecular Sciences Wuhan University Wuhan P. R. China
| | - Xiaoqing Liu
- College of Chemistry and Molecular Sciences Wuhan University Wuhan P. R. China
| | - Fuan Wang
- College of Chemistry and Molecular Sciences Wuhan University Wuhan P. R. China
- Department of Gastrointestinal Surgery Zhongnan Hospital of Wuhan University Wuhan P. R. China
- Research Centre for Infectious Diseases and Cancer Chinese Academy of Medical Sciences Wuhan P. R. China
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He S, Yu S, Li R, Chen Y, Wang Q, He Y, Liu X, Wang F. On‐Site Nonenzymatic Orthogonal Activation of a Catalytic DNA Circuit for Self‐Reinforced In Vivo MicroRNA Imaging. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202206529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
| | | | | | | | | | - Yuqiu He
- Wuhan University Chemistry CHINA
| | | | - Fuan Wang
- Wuhan University College of Chemistry and Molecular Sciences Bayi Road 299 430072 Wuhan CHINA
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Kapadia JB, Kharma N, Davis AN, Kamel N, Perreault J. Toehold-mediated strand displacement to measure released product from self-cleaving ribozymes. RNA (NEW YORK, N.Y.) 2022; 28:263-273. [PMID: 34862273 PMCID: PMC8906547 DOI: 10.1261/rna.078823.121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/02/2021] [Accepted: 10/27/2021] [Indexed: 06/13/2023]
Abstract
This paper presents a probe comprising a fluorophore and a quencher, enabling measurement of released product from self-cleaving hammerhead ribozyme, without labeled RNA molecules, regular sampling or use of polyacrylamide gels. The probe is made of two DNA strands; one strand is labeled with a fluorophore at its 5'-end, while the other strand is labeled with a quencher at its 3'-end. These two DNA strands are perfectly complementary, but with a 3'-overhang of the fluorophore strand. These unpaired nucleotides act as a toehold, which is utilized by a detached cleaved fragment (coming from a self-cleaving hammerhead ribozyme) as the starting point for a strand displacement reaction. This reaction causes the separation of the fluorophore strand from the quencher strand, culminating in fluorescence, detectable in a plate reader. Notably, the emitted fluorescence is proportional to the amount of detached cleaved-off RNAs, displacing the DNA quencher strand. This method can replace or complement radio-hazardous unstable 32P as a method of measurement of the product release from ribozyme cleavage reactions; it also eliminates the need for polyacrylamide gels, for the same purpose. Critically, this method allows to distinguish between the total amount of cleaved ribozymes and the amount of detached fragments, resulting from that cleavage reaction.
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Affiliation(s)
- Jay Bhakti Kapadia
- Electrical and Computer Engineering Department, Concordia University, Montreal, Quebec, Canada H3G 1M8
- INRS-Centre Armand-Frappier Santé Biotechnologie, Laval, Quebec, Canada H7V 1B7
| | - Nawwaf Kharma
- Electrical and Computer Engineering Department, Concordia University, Montreal, Quebec, Canada H3G 1M8
- Centre for Applied Synthetic Biology (CASB), Concordia University, Montreal, Quebec, Canada H4B 1R6
| | - Alen Nellikulam Davis
- Electrical and Computer Engineering Department, Concordia University, Montreal, Quebec, Canada H3G 1M8
| | - Nicolas Kamel
- Electrical and Computer Engineering Department, Concordia University, Montreal, Quebec, Canada H3G 1M8
| | - Jonathan Perreault
- INRS-Centre Armand-Frappier Santé Biotechnologie, Laval, Quebec, Canada H7V 1B7
- Centre for Applied Synthetic Biology (CASB), Concordia University, Montreal, Quebec, Canada H4B 1R6
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Yadav M, Das M, Bhatt S, Shah P, Jadeja R, Thakore S. Rapid selective optical detection of sulfur containing agrochemicals and amino acid by functionalized cyclodextrin polymer derived gold nanoprobes. Microchem J 2021. [DOI: 10.1016/j.microc.2021.106630] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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Zou L, Li X, Zhang J, Ling L. A Highly Sensitive Catalytic Hairpin Assembly-Based Dynamic Light-Scattering Biosensors for Telomerase Detection in Bladder Cancer Diagnosis. Anal Chem 2020; 92:12656-12662. [DOI: 10.1021/acs.analchem.0c02858] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Li Zou
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, P. R. China
| | - Xinghui Li
- Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou 510080, P. R. China
| | - Ji Zhang
- Department of Neurosurgery, State Key Laboratory of Oncology in South China, Collaborative Innovation Center of Cancer Medicine, Sun Yat-Sen University Cancer Center, Guangzhou 510060, P. R. China
| | - Liansheng Ling
- School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, P. R. China
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Sang F, Yin S, Pan J, Liu D, Zhang Z. Colorimetric determination of DNA using an aptamer and plasmonic nanoplatform. Mikrochim Acta 2020; 187:393. [PMID: 32556616 DOI: 10.1007/s00604-020-04361-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Accepted: 05/31/2020] [Indexed: 10/24/2022]
Abstract
A facile plasmonic nanoplatform was developed for rapid and sensitive determination of nucleic acid. Hg2+-regulated molecular beacon (MB, hairpin) containing rich thymine (T) bases at both ends is used as the probe. A hairpin structure can be formed in the MB probe due to the strong binding of Hg2+ to T. However, in the presence of target DNA, the hairpin structure is opened owing to target DNA-specific hybridization with the aptamer. Simultaneously, the opened MB interacts with poly(diallyldimethylammonium chloride) (PDDA) and hinders PDDA-induced aggregation of AuNPs, accompanied by a color change from blue to red and a decrease in absorption ratio (A620/A520). Hence, a good linear relationship was observed between the decreased absorption ratio (A620/A520) and DNA concentration ranging from 0.02 to 2 nmol/L with a low detection limit of 4.42 pmol/L. Moreover, this nanoplatform has been successfully utilized to discriminate between perfect target and mismatch sequences. More importantly, the bioassay is simple, versatile, rapid, and cost-effective compared with other common methods, which holds great promise for clinical diagnosis and biomedical application. Graphical abstract.
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Affiliation(s)
- Fuming Sang
- School of Marine Science and Technology, Harbin Institute of Technology, Weihai, 264209, People's Republic of China.
| | - Suyao Yin
- School of Marine Science and Technology, Harbin Institute of Technology, Weihai, 264209, People's Republic of China
| | - Jianxin Pan
- School of Marine Science and Technology, Harbin Institute of Technology, Weihai, 264209, People's Republic of China
| | - Deli Liu
- School of Marine Science and Technology, Harbin Institute of Technology, Weihai, 264209, People's Republic of China
| | - Zhizhou Zhang
- School of Marine Science and Technology, Harbin Institute of Technology, Weihai, 264209, People's Republic of China
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