1
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Asa TA, Seo YJ. I-motif sensor for the fluorometric detection of Monkeypox. Analyst 2024. [PMID: 39058361 DOI: 10.1039/d4an00947a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/28/2024]
Abstract
In this study, we developed an isothermal fluorometric diagnostic method for DNA virus-generating disorders such as Mpox. Our results showed that the release of a large number of protons during multiplex-LAMP markedly lowered the pH level, which transformed the retinoblastoma (Rb) linear ssDNA into i-motifs. Consequently, thiazole orange (TO; a fluorometric probe sensitive to the i-motif) boosted the signal-on fluorescence because of its ability to bind selectively to i-motifs. This multiplex-LAMP/i-motif-TO system enabled simultaneous detection aimed at numerous potential targets with remarkable sensitivity (1.47 pg per mL) and efficiency (30 minutes). Our method is expected to enable DNA-virus-related diseases to be efficiently and accurately assessed.
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Affiliation(s)
- Tasnima Alam Asa
- Department of Chemistry, Jeonbuk National University, Jeonju 54896, South Korea.
| | - Young Jun Seo
- Department of Chemistry, Jeonbuk National University, Jeonju 54896, South Korea.
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2
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Shi Y, Tan Q, Gong T, Li QY, Zhu Y, Duan X, Yang C, Ding JW, Li S, Xie H, Li Y, Chen L. Cascaded signal amplification strategy for ultra-specific, ultra-sensitive, and visual detection of Shigella flexneri. Mikrochim Acta 2024; 191:271. [PMID: 38632191 DOI: 10.1007/s00604-024-06309-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Accepted: 03/03/2024] [Indexed: 04/19/2024]
Abstract
Pathogen infections including Shigella flexneri have posed a significant threat to human health for numerous years. Although culturing and qPCR were the gold standards for pathogen detection, time-consuming and instrument-dependent restrict their application in rapid diagnosis and economically less-developed regions. Thus, it is urgently needed to develop rapid, simple, sensitive, accurate, and low-cost detection methods for pathogen detection. In this study, an immunomagnetic beads-recombinase polymerase amplification-CRISPR/Cas12a (IMB-RPA-CRISPR/Cas12a) method was built based on a cascaded signal amplification strategy for ultra-specific, ultra-sensitive, and visual detection of S. flexneri in the laboratory. Firstly, S. flexneri was specifically captured and enriched by IMB (Shigella antibody-coated magnetic beads), and the genomic DNA was released and used as the template in the RPA reaction. Then, the RPA products were mixed with the pre-loaded CRISPR/Cas12a for fluorescence visualization. The results were observed by naked eyes under LED blue light, with a sensitivity of 5 CFU/mL in a time of 70 min. With no specialized equipment or complicated technical requirements, the IMB-RPA-CRISPR/Cas12a diagnostic method can be used for visual, rapid, and simple detection of S. flexneri and can be easily adapted to monitoring other pathogens.
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Affiliation(s)
- Yaoqiang Shi
- Provincial Key Laboratory for Transfusion-Transmitted Infectious Diseases, Institute of Blood Transfusion, Chinese Academy of Medical Sciences and Peking Union Medical College, Chengdu, 610052, Sichuan, China
| | - Qi Tan
- Provincial Key Laboratory for Transfusion-Transmitted Infectious Diseases, Institute of Blood Transfusion, Chinese Academy of Medical Sciences and Peking Union Medical College, Chengdu, 610052, Sichuan, China
| | - Tao Gong
- Provincial Key Laboratory for Transfusion-Transmitted Infectious Diseases, Institute of Blood Transfusion, Chinese Academy of Medical Sciences and Peking Union Medical College, Chengdu, 610052, Sichuan, China
| | - Qing-Yuan Li
- Provincial Key Laboratory for Transfusion-Transmitted Infectious Diseases, Institute of Blood Transfusion, Chinese Academy of Medical Sciences and Peking Union Medical College, Chengdu, 610052, Sichuan, China
| | - Ya Zhu
- Provincial Key Laboratory for Transfusion-Transmitted Infectious Diseases, Institute of Blood Transfusion, Chinese Academy of Medical Sciences and Peking Union Medical College, Chengdu, 610052, Sichuan, China
| | - Xiaoqiong Duan
- Provincial Key Laboratory for Transfusion-Transmitted Infectious Diseases, Institute of Blood Transfusion, Chinese Academy of Medical Sciences and Peking Union Medical College, Chengdu, 610052, Sichuan, China
| | - Chunhui Yang
- Provincial Key Laboratory for Transfusion-Transmitted Infectious Diseases, Institute of Blood Transfusion, Chinese Academy of Medical Sciences and Peking Union Medical College, Chengdu, 610052, Sichuan, China
| | - Jia-Wei Ding
- Clinical Laboratory Department, Yan'an Hospital Affiliated to Kunming Medical University, Kunming, 650051, Yunnan, China
| | - Shilin Li
- Provincial Key Laboratory for Transfusion-Transmitted Infectious Diseases, Institute of Blood Transfusion, Chinese Academy of Medical Sciences and Peking Union Medical College, Chengdu, 610052, Sichuan, China
| | - He Xie
- The Hospital of Xidian Group, Xi'an, 710077, China
| | - Yujia Li
- Provincial Key Laboratory for Transfusion-Transmitted Infectious Diseases, Institute of Blood Transfusion, Chinese Academy of Medical Sciences and Peking Union Medical College, Chengdu, 610052, Sichuan, China.
| | - Limin Chen
- Provincial Key Laboratory for Transfusion-Transmitted Infectious Diseases, Institute of Blood Transfusion, Chinese Academy of Medical Sciences and Peking Union Medical College, Chengdu, 610052, Sichuan, China.
- The Joint Laboratory On Transfusion-Transmitted Diseases (TTDs) Between Institute of Blood Transfusion, Chinese Academy of Medical Sciences and Nanning Blood Center, Nanning Blood Center, Nanning, 530007, China.
- The Hospital of Xidian Group, Xi'an, 710077, China.
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3
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He S, Lian H, Cao X, Liu B, Wei X. Light-Driven Photocatalytic-Photothermal Synergetic System for Portable and Sensitive Nucleic Acid Quantification. Anal Chem 2023; 95:17613-17621. [PMID: 37978913 DOI: 10.1021/acs.analchem.3c03274] [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: 11/19/2023]
Abstract
Photosensitizers and photothermal agents have attracted increasing attention for in vitro diagnosis, but the combination remains challenging. Herein, a light-driven photocatalytic-photothermal synergetic system integrated microfluidic distance-based analytical device (PCPT-μDAD) for visual, portable, sensitive, and quantitative detection of targets was developed. Target DNA was recognized and initiated the hybridization chain reaction to form a double-stranded DNA/SYBR Green I (dsDNA/SG-I) complex. By applying the photosensitization of the dsDNA/SG-I complex and the photothermal effect of oxidized 3,3',5,5'-tetramethylbenzidine, the target concentration can effectively translate into a visual distance signal readout. Importantly, the light-driven PCPT-μDAD greatly improves the controllability of catalytic reactions and signal amplification efficiency. The light-driven PCPT-μDAD shows a low limit of detection (fM level), good stability, and high reproducibility for nucleic acid detection.
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Affiliation(s)
- Shan He
- College of Materials Science and Engineering, Huaqiao University, Xiamen 361021, China
| | - Huiting Lian
- College of Materials Science and Engineering, Huaqiao University, Xiamen 361021, China
- Key Laboratory of Molecular Designing and Green Conversions, Huaqiao University, Xiamen 361021, China
| | - Xuegong Cao
- College of Materials Science and Engineering, Huaqiao University, Xiamen 361021, China
- Key Laboratory of Molecular Designing and Green Conversions, Huaqiao University, Xiamen 361021, China
| | - Bin Liu
- College of Materials Science and Engineering, Huaqiao University, Xiamen 361021, China
- Key Laboratory of Molecular Designing and Green Conversions, Huaqiao University, Xiamen 361021, China
- Xiamen Key Laboratory of Optoelectronic Materials and Advanced Manufacturing, Huaqiao University, Xiamen 361021, China
| | - Xiaofeng Wei
- College of Materials Science and Engineering, Huaqiao University, Xiamen 361021, China
- Key Laboratory of Molecular Designing and Green Conversions, Huaqiao University, Xiamen 361021, China
- Xiamen Key Laboratory of Optoelectronic Materials and Advanced Manufacturing, Huaqiao University, Xiamen 361021, China
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4
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Wu Y, Yu Q, Joung Y, Jeon CS, Lee S, Pyun SH, Joo SW, Chen L, Choo J. Highly Uniform Self-Assembly of Gold Nanoparticles by Butanol-Induced Dehydration and Its SERS Applications in SARS-CoV-2 Detection. Anal Chem 2023; 95:12710-12718. [PMID: 37594054 DOI: 10.1021/acs.analchem.3c01348] [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: 08/19/2023]
Abstract
We report the development of a reproducible and highly sensitive surface-enhanced Raman scattering (SERS) substrate using a butanol-induced self-assembly of gold nanoparticles (AuNPs) and its application as a rapid diagnostic platform for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The butanol-induced self-assembly process was used to generate a uniform assembly of AuNPs, with multiple hotspots, to achieve high reproducibility. When an aqueous droplet containing AuNPs and target DNAs was dropped onto a butanol droplet, butanol-induced dehydration occurred, enriching the target DNAs around the AuNPs and increasing the loading density of the DNAs on the AuNP surface. The SERS substrate was evaluated by using Raman spectroscopy, which showed strong electromagnetic enhancement of the Raman signals. The substrate was then tested for the detection of SARS-CoV-2 using SERS, and a very low limit of detection (LoD) of 3.1 × 10-15 M was obtained. This provides sufficient sensitivity for the SARS-CoV-2 screening assay, and the diagnostic time is significantly reduced as no thermocycling steps are required. This study demonstrates a method for the butanol-induced self-assembly of AuNPs and its application as a highly sensitive and reproducible SERS substrate for the rapid detection of SARS-CoV-2. The results suggest the potential of this approach for developing rapid diagnostic platforms for other biomolecules and infectious diseases.
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Affiliation(s)
- Yixuan Wu
- Department of Chemistry, Chung-Ang University, Seoul 06974, South Korea
| | - Qian Yu
- Department of Chemistry, Chung-Ang University, Seoul 06974, South Korea
| | - Younju Joung
- Department of Chemistry, Chung-Ang University, Seoul 06974, South Korea
| | - Chang Su Jeon
- R&D Center, Speclipse Inc., Seongnam 13461, South Korea
| | - Seunghyun Lee
- Department of Chemical and Molecular Engineering, Hanyang University ERICA, Ansan 15588, South Korea
| | | | - Sang-Woo Joo
- Department of Chemistry, Soongsil University, Seoul 06978, South Korea
| | - Lingxin Chen
- Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China
- School of Pharmacy, Binzhou Medical University, Yantai 264003, China
| | - Jaebum Choo
- Department of Chemistry, Chung-Ang University, Seoul 06974, South Korea
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Cheng L, Lan L, Ramalingam M, He J, Yang Y, Gao M, Shi Z. A review of current effective COVID-19 testing methods and quality control. Arch Microbiol 2023; 205:239. [PMID: 37195393 DOI: 10.1007/s00203-023-03579-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Revised: 05/04/2023] [Accepted: 05/04/2023] [Indexed: 05/18/2023]
Abstract
COVID-19 is a highly infectious disease caused by the SARS-CoV-2 virus, which primarily affects the respiratory system and can lead to severe illness. The virus is extremely contagious, early and accurate diagnosis of SARS-CoV-2 is crucial to contain its spread, to provide prompt treatment, and to prevent complications. Currently, the reverse transcriptase polymerase chain reaction (RT-PCR) is considered to be the gold standard for detecting COVID-19 in its early stages. In addition, loop-mediated isothermal amplification (LMAP), clustering rule interval short palindromic repeats (CRISPR), colloidal gold immunochromatographic assay (GICA), computed tomography (CT), and electrochemical sensors are also common tests. However, these different methods vary greatly in terms of their detection efficiency, specificity, accuracy, sensitivity, cost, and throughput. Besides, most of the current detection methods are conducted in central hospitals and laboratories, which is a great challenge for remote and underdeveloped areas. Therefore, it is essential to review the advantages and disadvantages of different COVID-19 detection methods, as well as the technology that can enhance detection efficiency and improve detection quality in greater details.
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Affiliation(s)
- Lijia Cheng
- Clinical Medical College & Affiliated Hospital, School of Basic Medical Sciences, Chengdu University, Chengdu, 610106, China.
| | - Liang Lan
- Clinical Medical College & Affiliated Hospital, School of Basic Medical Sciences, Chengdu University, Chengdu, 610106, China
| | - Murugan Ramalingam
- Clinical Medical College & Affiliated Hospital, School of Basic Medical Sciences, Chengdu University, Chengdu, 610106, China
| | - Jianrong He
- Clinical Medical College & Affiliated Hospital, School of Basic Medical Sciences, Chengdu University, Chengdu, 610106, China
| | - Yimin Yang
- Clinical Medical College & Affiliated Hospital, School of Basic Medical Sciences, Chengdu University, Chengdu, 610106, China
| | - Min Gao
- Clinical Medical College & Affiliated Hospital, School of Basic Medical Sciences, Chengdu University, Chengdu, 610106, China
| | - Zheng Shi
- Clinical Medical College & Affiliated Hospital, School of Basic Medical Sciences, Chengdu University, Chengdu, 610106, China.
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Asa TA, Kumar P, Lee J, Seo YJ. Multiple ligation–Assisted recombinase polymerase amplification for highly sensitive and selective colorimetric detection of SARS-CoV-2. Talanta 2023; 252:123835. [PMID: 35985194 PMCID: PMC9375730 DOI: 10.1016/j.talanta.2022.123835] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2022] [Revised: 07/29/2022] [Accepted: 08/07/2022] [Indexed: 11/19/2022]
Abstract
In this paper we present a new method for the detection of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), targeting a specific region “N gene.” Under isothermal reaction conditions, we integrated ligation (Lig; high selectivity) and recombinase polymerase amplification (RPA; high sensitivity) processes, obtaining a robust method of detection. For point-of-care testing, we incorporated our laboratory-produced pyrophosphate ion (PPi)–sensing probe (PK-probe) for colorimetric analysis of the reaction. The total detection system was efficient and effective at diagnosing this RNA virus–mediated disease rapidly (30 min). In a full-genome SARS-CoV-2 study, our PK-probe/Lig-RPA system functioned with a limit of detection of 1160 copies/ml, with a single-mismatch level of selectively, and it was highly selective even in the presence of bacterial genomes commonly found in the human mouth and nose. This robust, straightforward, selective, efficient, and ultrasensitive colorimetric detection method, with potential for point-of-care analysis, should also be effective in detecting a diverse range of other RNA-based diseases.
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Affiliation(s)
- Tasnima Alam Asa
- Department of Chemistry, Jeonbuk National University, Jeonju, 54896, South Korea
| | - Pradeep Kumar
- Department of Chemistry, Jeonbuk National University, Jeonju, 54896, South Korea
| | - Jaehyeon Lee
- Department of Laboratory Medicine, Jeonbuk National University Medical School and Hospital, Jeonju, 54896, South Korea
| | - Young Jun Seo
- Department of Chemistry, Jeonbuk National University, Jeonju, 54896, South Korea.
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Song T, Chen C, Bao S, Du B, Wang X, Liu J, Wang F, Ma W, Yao G, Wan X, Zhang X, Wang J, Jiang H. An immobilization-based, loop-mediated isothermal amplification device for nucleic acid detection of SARS-CoV-2 N gene. BIOTECHNOL BIOTEC EQ 2022. [DOI: 10.1080/13102818.2022.2134822] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Affiliation(s)
- Tianyu Song
- State Key Laboratory of NBC Protection for Civilian, Beijing, PR China
| | - Chang Chen
- State Key Laboratory of NBC Protection for Civilian, Beijing, PR China
| | - Shaoheng Bao
- State Key Laboratory of NBC Protection for Civilian, Beijing, PR China
| | - Bin Du
- State Key Laboratory of NBC Protection for Civilian, Beijing, PR China
| | - Xiaokun Wang
- State Key Laboratory of NBC Protection for Civilian, Beijing, PR China
| | - Jiajia Liu
- State Key Laboratory of NBC Protection for Civilian, Beijing, PR China
| | - Fuli Wang
- State Key Laboratory of NBC Protection for Civilian, Beijing, PR China
| | - Wei Ma
- State Key Laboratory of NBC Protection for Civilian, Beijing, PR China
| | - Ge Yao
- State Key Laboratory of NBC Protection for Civilian, Beijing, PR China
| | - Xiukun Wan
- State Key Laboratory of NBC Protection for Civilian, Beijing, PR China
| | - Xinlong Zhang
- State Key Laboratory of NBC Protection for Civilian, Beijing, PR China
| | - Jingjing Wang
- State Key Laboratory of NBC Protection for Civilian, Beijing, PR China
| | - Hui Jiang
- State Key Laboratory of NBC Protection for Civilian, Beijing, PR China
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8
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Advances in ligase-based nucleic acid amplification technology for detecting gene mutations: a review. Mol Cell Biochem 2022; 478:1621-1631. [DOI: 10.1007/s11010-022-04615-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Accepted: 11/14/2022] [Indexed: 11/29/2022]
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9
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Point-of-care COVID-19 testing: colorimetric diagnosis using rapid and ultra-sensitive ramified rolling circle amplification. Anal Bioanal Chem 2022; 414:5907-5915. [PMID: 35715585 PMCID: PMC9205388 DOI: 10.1007/s00216-022-04156-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Revised: 05/17/2022] [Accepted: 05/30/2022] [Indexed: 12/24/2022]
Abstract
In this paper, we report a molecular diagnostic system—combining a colorimetric probe (RHthio-CuSO4) for pyrophosphate sensing and isothermal gene amplification (ramified rolling circle amplification)—that operates with high selectivity and sensitivity for clinical point-of-care diagnosis of SARS-CoV-2. During the polymerase phase of the DNA amplification process, pyrophosphate was released from the nucleotide triphosphate as a side product, which was then sensed by our RHthio-CuSO4 probe with a visible color change. This simple colorimetric diagnostic system allowed highly sensitive (1.13 copies/reaction) detection of clinical SARS-CoV-2 within 1 h, while also displaying high selectivity, as evidenced by its discrimination of two respiratory viral genomes (human rhino virus and respiratory syncytial virus) from that of SARS-CoV-2. All of the reactions in this system were performed at a single temperature, with positive identification being made by the naked eye, without requiring any instrumentation. The high sensitivity and selectivity, short detection time (1 h), simple treatment (one-pot reaction), isothermal amplification, and colorimetric detection together satisfy the requirements for clinical point-of-care detection of SARS-CoV-2. Therefore, we believe that this combination of a colorimetric probe and isothermal amplification will be useful for point-of-care testing to prevent the propagation of COVID-19.
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