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Pan CY, Kijamnajsuk P, Chen JJ. Portable loop-mediated isothermal amplification device with spectrometric detection for rapid pathogen identification. Anal Biochem 2024; 694:115615. [PMID: 39002745 DOI: 10.1016/j.ab.2024.115615] [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: 05/03/2024] [Revised: 07/09/2024] [Accepted: 07/10/2024] [Indexed: 07/15/2024]
Abstract
With the rise in extreme weather due to global warming, coupled with globalization facilitating the spread of infectious diseases, there's a pressing need for portable testing platforms offering simplicity, low cost, and remote transmission, particularly beneficial in resource-limited and non-urban areas. We have developed a portable device using loop-mediated isothermal amplification (LAMP) with spectrometric detection to identify Salmonella Typhimurium DNA. The device utilizes the LinkIt 7697 microcontroller and a microspectrometer to capture and transmit spectral signals in real-time, allowing for improved monitoring and analysis of the reaction progress. We built a hand-held box containing a microspectrometer, thermoelectric cooler, ultraviolet LED, disposable reaction tube, and homemade thermal module, all powered by rechargeable batteries. Additionally, we conducted thorough experiments to ensure temperature accuracy within 1 °C under thermal control, developed a heating module with a LinkIt 7697 IoT development board to heat the DNA mixture to the reaction temperature within 3 min, and integrated foam insulation and a 3D-printed frame to enhance the device's thermal stability. We successfully demonstrated the amplification of Salmonella Typhimurium DNA with an impressive sensitivity of 2.83 × 10-4 ng/μL. A remote webpage interface allows for monitoring the temperature and fluorescence during the LAMP process, improving usability. This portable LAMP device with real-time detection offers a cost-effective solution for detecting Salmonella Typhimurium in food products. Its unique design and capabilities make it a promising tool for ensuring food safety.
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Affiliation(s)
- Chun Yu Pan
- Department of Biomechatronics Engineering, National Pingtung University of Science and Technology, 1, Shuefu Road, Neipu, Pingtung, 91201, Taiwan.
| | - Puchong Kijamnajsuk
- Department of Physics, Kasetsart University, 50 Ngamwongwan Rd, Lat Yao, Chatuchak, Bangkok, 10900, Thailand.
| | - Jyh Jian Chen
- Department of Biomechatronics Engineering, National Pingtung University of Science and Technology, 1, Shuefu Road, Neipu, Pingtung, 91201, Taiwan.
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2
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Shen H, Dong L, Gao Y, Wang X, Dai X. Integrated Microwell Array-Based Microfluidic Chip with a Hand-Held Smartphone-Controlled Device for Nucleic Acid Detection. Anal Chem 2023; 95:15394-15399. [PMID: 37787984 DOI: 10.1021/acs.analchem.3c03525] [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: 10/04/2023]
Abstract
In this study, we designed a highly integrated microfluidic chip for nucleic acid extraction, amplification, and detection. Magnetic beads, which are used to capture nucleic acids on the chip, are trapped in the microwell arrays in a one-well-one-bead manner after local surface modification of the inner faces of the microwells. On-chip liquid introduction, delivery, and mixing are all carried out manually with one syringe and no other equipment. A hand-held device with precise temperature control and high-quality imaging is developed, which is only 2.3 cubic decimeters in volume and 1.2 kg in weight. Via the use of the Internet for wireless communication, the experiment and data analysis after inserting the chip into the device can be conducted by a smartphone anywhere there is an Internet connection. We carried out reverse transcription loop-mediated isothermal amplification (RT-LAMP) on the chip with the hand-held device. SARS-CoV-2 pseudoviruses are extracted, reverse transcribed, amplified, and detected on the chip with the hand-held device with satisfactory results. Thus, a highly integrated, easy-to-operate, and rapid nucleic acid detection microfluidic chip with a hand-held smartphone-controlled device is proposed, and this new platform for nucleic acid detection shows great potential for mobile point-of-care testing (POCT).
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Affiliation(s)
- Haiying Shen
- National Institute of Metrology, Beijing 100029, People's Republic of China
| | - Lianhua Dong
- National Institute of Metrology, Beijing 100029, People's Republic of China
| | - Yunhua Gao
- National Institute of Metrology, Beijing 100029, People's Republic of China
| | - Xia Wang
- National Institute of Metrology, Beijing 100029, People's Republic of China
| | - Xinhua Dai
- National Institute of Metrology, Beijing 100029, People's Republic of China
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3
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Kimura Y, Ikeuchi M. Development of non-electrically controlled SalivaDirect LAMP (NEC-SD-LAMP), a new nonelectrical infectious disease testing method. Sci Rep 2023; 13:11791. [PMID: 37479724 PMCID: PMC10362045 DOI: 10.1038/s41598-023-38800-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Accepted: 07/14/2023] [Indexed: 07/23/2023] Open
Abstract
In this study, non-electrically controlled SalivaDirect loop-mediated isothermal amplification (NEC-SD-LAMP), which can detect infections by amplifying viral DNA expression in saliva without using electrical control systems, was developed. By this method, only by adding water to the device, viral DNA was extracted from saliva using SalivaDirect, the extracted DNA was amplified via loop-mediated isothermal amplification (LAMP), and the results were visually confirmed. Melting palmitic acid maintained the optimal temperature for the LAMP reaction, as the temperature of palmitic acid is maintained at 62.9 °C, its melting point. By exploiting the proximity of the melting point to the optimal temperature for LAMP, LAMP can be performed without electricity. We detected several viruses in the saliva using this method. NEC-SD-LAMP could clearly distinguish 3 types of viral DNA, indicating the high specificity of this reaction. Furthermore, the viral concentration detection limit of the device was 2 copies per µL, indicating that it is possible to detect DNA viral infections in saliva even before the onset of viral infection.
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Affiliation(s)
- Yusuke Kimura
- Department of Precision Biomedical Engineering, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, 2-3-10 Kandasurugadai, Chiyoda-ku, Tokyo, Japan
- Department of Advanced Functional Materials Research, Takasaki Advanced Radiation Research Institute, National Institutes for Quantum Science and Technology (QST), 1233 Watanuki-machi, Takasaki, Gunma, Japan
| | - Masashi Ikeuchi
- Department of Precision Biomedical Engineering, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, 2-3-10 Kandasurugadai, Chiyoda-ku, Tokyo, Japan.
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Liu W, Lee LP. Toward Rapid and Accurate Molecular Diagnostics at Home. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2206525. [PMID: 36416278 DOI: 10.1002/adma.202206525] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 11/14/2022] [Indexed: 05/26/2023]
Abstract
The global outbreaks of infectious diseases have significantly driven an imperative demand for rapid and accurate molecular diagnostics. Nucleic acid amplification tests (NAATs) feature high sensitivity and high specificity; however, the labor-intensive sample preparation and nucleic acid amplification steps remain challenging in order to carry out rapid and precision molecular diagnostics at home. This review discusses the advances and challenges of automatic solutions of sample preparation integrated with on-chip nucleic acid amplification for effective and accurate molecular diagnostics at home. The sample preparation methods of whole blood, urine, saliva/nasal swab, and stool on chip are examined. Then, the repurposable integrated sample preparation on a chip using various biological samples is investigated. Finally, the on-chip NAATs that can be integrated with automated sample preparation are evaluated. The user-friendly approaches with combined sample preparation and NAATs can be the game changers for next-generation rapid and precision home diagnostics.
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Affiliation(s)
- Wenpeng Liu
- Harvard Medical School, Harvard University, Boston, MA, 02115, USA
- Division of Engineering in Medicine and Renal Division, Department of Medicine, Brigham Women's Hospital, Boston, MA, 02115, USA
| | - Luke P Lee
- Harvard Medical School, Harvard University, Boston, MA, 02115, USA
- Division of Engineering in Medicine and Renal Division, Department of Medicine, Brigham Women's Hospital, Boston, MA, 02115, USA
- Department of Bioengineering, Department of Electrical Engineering and Computer Science, University of California at Berkeley, Berkeley, CA, 94720, USA
- Department of Biophysics, Institute of Quantum Biophysics, Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea
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5
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Li Z, Hua L, Xie L, Wang D, Jiang X. Automated Microfluidic Nucleic Acid Detection Platform-Integrated RPA-T7-Cas13a for Pathogen Diagnosis. Anal Chem 2023; 95:6940-6947. [PMID: 37083348 DOI: 10.1021/acs.analchem.3c00242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/22/2023]
Abstract
There is a growing urgent need for point-of-care testing (POCT) devices that integrate sample pretreatment and nucleic acid detection in a rapid, economical, and non-labor-intensive way. Here, we have developed an automated, portable nucleic acid detection system employing microfluidic chips integrating rotary valve-assisted sample pretreatment and recombinase polymerase amplification (RPA)-T7-Cas13a into one-step nucleic acid detection. The RPA and clustered regularly interspaced short palindromic repeats (CRISPR)/Cas13a were integrated into a single-chamber reaction. As a validation model, we used this method to detect Group B streptococci (GBS) DNA and achieved a detection sensitivity of 8 copies/reaction, which is 6 times more sensitive than gold-standard polymerase chain reactions (PCRs). Dual specific recognition of RPA with CRISPR/Cas13a makes our method ultraspecific, with correct detection of Group B streptococci from 8 kinds of pathogenic bacteria. For the 16 positive and 24 negative clinical GBS samples, our assay achieved 100% accuracy compared to the PCR technique. The whole procedure can be automatically completed within 30 min, providing a more robust, sensitive, and accurate molecular diagnostic tool for POCT.
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Affiliation(s)
- Zheng Li
- Shenzhen Key Laboratory of Smart Healthcare Engineering, Guangdong Provincial Key Laboratory of Advanced Biomaterials, Department of Biomedical Engineering, Southern University of Science and Technology, No. 1088, Xueyuan Road, Nanshan District, Shenzhen 518055, Guangdong, China
| | - Liyan Hua
- Shaoguan Maternal and Child Health Hospital, No. 3, Dongdi South Road, Shaoguan 512026, Guangdong, China
| | - Liming Xie
- Shaoguan Maternal and Child Health Hospital, No. 3, Dongdi South Road, Shaoguan 512026, Guangdong, China
| | - Dou Wang
- Shenzhen Key Laboratory of Smart Healthcare Engineering, Guangdong Provincial Key Laboratory of Advanced Biomaterials, Department of Biomedical Engineering, Southern University of Science and Technology, No. 1088, Xueyuan Road, Nanshan District, Shenzhen 518055, Guangdong, China
| | - Xingyu Jiang
- Shenzhen Key Laboratory of Smart Healthcare Engineering, Guangdong Provincial Key Laboratory of Advanced Biomaterials, Department of Biomedical Engineering, Southern University of Science and Technology, No. 1088, Xueyuan Road, Nanshan District, Shenzhen 518055, Guangdong, China
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6
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Li Z, Xu X, Wang D, Jiang X. Recent advancements in nucleic acid detection with microfluidic chip for molecular diagnostics. Trends Analyt Chem 2023; 158:116871. [PMID: 36506265 PMCID: PMC9721164 DOI: 10.1016/j.trac.2022.116871] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 11/30/2022] [Accepted: 12/02/2022] [Indexed: 12/12/2022]
Abstract
The coronavirus disease 2019 (COVID-19) has extensively promoted the application of nucleic acid testing technology in the field of clinical testing. The most widely used polymerase chain reaction (PCR)-based nucleic acid testing technology has problems such as complex operation, high requirements of personnel and laboratories, and contamination. The highly miniaturized microfluidic chip provides an essential tool for integrating the complex nucleic acid detection process. Various microfluidic chips have been developed for the rapid detection of nucleic acid, such as amplification-free microfluidics in combination with clustered regularly interspaced short palindromic repeats (CRISPR). In this review, we first summarized the routine process of nucleic acid testing, including sample processing and nucleic acid detection. Then the typical microfluidic chip technologies and new research advances are summarized. We also discuss the main problems of nucleic acid detection and the future developing trend of the microfluidic chip.
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Mao R, Wu X, Miao Q, Cai T. Asymmetric stem-loop–mediated isothermal amplification of nucleic acids for DNA diagnostic assays by simple modification of canonical PCR primers. Front Bioeng Biotechnol 2022; 10:931770. [PMID: 35935482 PMCID: PMC9355699 DOI: 10.3389/fbioe.2022.931770] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Accepted: 06/28/2022] [Indexed: 11/13/2022] Open
Abstract
Nucleic acid–based assays have been adopted as mainstream tools for clinical diagnostics, food safety, and environment monitoring with the merits of accuracy, rapidity, and sensitivity. Loop-mediated isothermal amplification (LAMP) is a well-established method to rapidly identify nucleic acids and has gained recognition and been developed for clinical applications in resource-limited areas. However, the needs for specifically designed primer sets and non-specific amplification hinder the development of LAMP-based nucleic acid tests. Here, a promoted method, termed asymmetric stem-loop–mediated isothermal amplification (ASLAMP) by simple modification of canonical PCR primers, was developed to attempt to overcome those drawbacks. The two primers in the ASLAMP reaction can be easily obtained by adding a stem-loop sequence part to one PCR primer at 5′-ends to get the folding primer (FP), then adding the same primer to the counter canonical PCR primer at 5′-ends to get the turn-back primer (TP). The ASLAMP method was demonstrated in detecting the H1N1 gene fragment with merits of simple primer design, short target sequence, and high amplification efficiency. In addition, the ASLAMP method showed similar efficacy compared with LAMP targeting at the same H1N1 gene sequence. Furthermore, Shigella detection monitored by real-time fluorescence and endpoint colorimetric approaches were taken as examples for evaluation of the practical application of the ASLAMP method, both offered 100% sensitivity and specificity. In conclusion, the novel ASLAMP method with simplicity of primer design, low requirement of equipment, efficiency, and rapidity has exhibited its great prospect for establishment of DNA isothermal amplification in point of care application.
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Affiliation(s)
- Rui Mao
- Key Laboratory of Diagnosis and Treatment of Digestive System Tumors of Zhejiang Province, Hwa Mei Hospital, University of Chinese Academy of Sciences, Ningbo, China
- Ningbo Institute of Life and Health Industry, University of Chinese Academy of Sciences, Ningbo, China
- *Correspondence: Rui Mao, ; Ting Cai,
| | - Xinyao Wu
- Key Laboratory of Diagnosis and Treatment of Digestive System Tumors of Zhejiang Province, Hwa Mei Hospital, University of Chinese Academy of Sciences, Ningbo, China
- Ningbo Institute of Life and Health Industry, University of Chinese Academy of Sciences, Ningbo, China
| | - Qing Miao
- Key Laboratory of Diagnosis and Treatment of Digestive System Tumors of Zhejiang Province, Hwa Mei Hospital, University of Chinese Academy of Sciences, Ningbo, China
- Ningbo Institute of Life and Health Industry, University of Chinese Academy of Sciences, Ningbo, China
| | - Ting Cai
- Key Laboratory of Diagnosis and Treatment of Digestive System Tumors of Zhejiang Province, Hwa Mei Hospital, University of Chinese Academy of Sciences, Ningbo, China
- Ningbo Institute of Life and Health Industry, University of Chinese Academy of Sciences, Ningbo, China
- *Correspondence: Rui Mao, ; Ting Cai,
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8
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Qi L, Du Y. Diagnosis of disease relevant nucleic acid biomarkers with off-the-shelf devices. J Mater Chem B 2022; 10:3959-3973. [PMID: 35575030 DOI: 10.1039/d2tb00232a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Changes in the level of nucleic acids in blood may be correlated with some clinical disorders like cancer, stroke, trauma and autoimmune diseases, and thus, nucleic acids can serve as potential biomarkers for pathological processes. The requirement of technical equipment and operator expertise in effective information readout of modern molecular diagnostic technologies significantly restricted application outside clinical laboratories. The ability to detect nucleic acid biomarkers with off-the-shelf devices, which have the advantages of portability, simplicity, low cost and short response time, is critical to provide a prompt clinical result in circumstances where the laboratory instruments are not available. This review throws light on the current strategies and challenges for nucleic acid diagnosis with commercial portable devices, indicating the future prospect of portable diagnostic devices and making a great difference in improving the healthcare and disease surveillance in resource-limited areas.
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Affiliation(s)
- Lijuan Qi
- State key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Jilin, P. R. China. .,Department of Chemistry, University of Science and Technology of China, Anhui, P. R. China
| | - Yan Du
- State key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Jilin, P. R. China. .,Department of Chemistry, University of Science and Technology of China, Anhui, P. R. China
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9
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Zhao X, Wan Q, Zhang J, Duan Y, Li Y, Ma J, Shi C, Ma C. Single-tube analysis for ultra-fast and visual detection of Salmonella. Anal Bioanal Chem 2022; 414:2333-2341. [PMID: 35079852 PMCID: PMC8788404 DOI: 10.1007/s00216-022-03904-z] [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: 12/21/2021] [Revised: 01/10/2022] [Accepted: 01/13/2022] [Indexed: 11/24/2022]
Abstract
Herein, we developed an ultra-fast and visual single-tube nucleic acid detection approach, which combined the advantages of self-settling characteristics of chitosan-functionalized diatomaceous earth (CDE) and accelerated PCR (AC-PCR). DNA was rapidly extracted by CDE within 3 min for the next nucleic acid amplification based on the nucleic acid attached on the chitosan in pH = 5.0. Under the action of gravity, the DNA-enriched CDE self-sediments to the bottom of the tube could be directly used for AC-PCR to achieve single-tube extraction and amplification. Our method detected Salmonella culture fluids with a detection limit of 1 CFU/mL, which was 100-fold more sensitive than conventional method that have not undergone nucleic acid enrichment. Furthermore, it also displayed high specificity and sensitivity for a variety of spiked samples. The entire process could be completed within 17 min in a single tube, and in particular, the result was visualized by the naked eyes. Overall, it is an all-in-one detection strategy without the requirement of redundant procedure, which greatly improved the detection efficiency, and saved the time and the cost. With these advantages, the approach will supply a promising tool in the field of point-of-care testing for Salmonella and other foodborne pathogens.
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Affiliation(s)
- Xiaoli Zhao
- Shandong Provincial Key Laboratory of Biochemical Engineering, Qingdao Nucleic Acid Rapid Detection Engineering Research Center, College of Marine Science and Biological Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, Shandong, China
| | - Qianyi Wan
- Shandong Provincial Key Laboratory of Biochemical Engineering, Qingdao Nucleic Acid Rapid Detection Engineering Research Center, College of Marine Science and Biological Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, Shandong, China
| | - Jian Zhang
- Shandong Provincial Key Laboratory of Biochemical Engineering, Qingdao Nucleic Acid Rapid Detection Engineering Research Center, College of Marine Science and Biological Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, Shandong, China
| | - Yake Duan
- Shandong Provincial Key Laboratory of Biochemical Engineering, Qingdao Nucleic Acid Rapid Detection Engineering Research Center, College of Marine Science and Biological Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, Shandong, China
| | - Yong Li
- Shandong Provincial Key Laboratory of Biochemical Engineering, Qingdao Nucleic Acid Rapid Detection Engineering Research Center, College of Marine Science and Biological Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, Shandong, China
| | - Jingrong Ma
- Department of Gastroenterology, Ordos Central Hospital, Kangbashi, China
| | - Chao Shi
- Qingdao Nucleic Acid Rapid Testing International Science and Technology Cooperation Base, College of Life Sciences, Department of Pathogenic Biology, School of Basic Medicine, and Department of Clinical Laboratory, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, 266071, People's Republic of China
| | - Cuiping Ma
- Shandong Provincial Key Laboratory of Biochemical Engineering, Qingdao Nucleic Acid Rapid Detection Engineering Research Center, College of Marine Science and Biological Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, Shandong, China.
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10
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Mao R, Wang T, Zhao Y, Wu X, Zhang S, Cai T. Closed dumbbell mediated isothermal amplification of nucleic acids for DNA diagnostic assays. Talanta 2022; 240:123217. [PMID: 35033926 DOI: 10.1016/j.talanta.2022.123217] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 11/05/2021] [Accepted: 01/05/2022] [Indexed: 12/12/2022]
Abstract
Nucleic acid amplification tests have been widely applied in clinical diagnostics, food safety monitoring, and molecular biology. As a well-established isothermal amplification method, Loop-mediated isothermal amplification (LAMP) has gained recognition. However, the need for specifically designed four to six primers and non-specific amplification pose challenges for further application of LAMP based detection methods. Here, a novel isothermal amplification method, termed closed dumbbell mediated isothermal amplification (CDA) of nucleic acids, was developed. The primers are easily designed by adding two different parts of middle sequence to the canonical PCR primers at 5'-ends. CDA method was demonstrated in detecting MERS-CoV orf1a gene and H1N1 gene fragments with merits of short core primer, simple primer design process and high amplification efficiency. In addition, CDA showed excellent amplification efficacy over LAMP and competitive annealing mediated isothermal amplification (CAMP) by slight modification of primers targeting at same sequence. Furthermore, real-time and HNB based colorimetric CDA detection of Shigella were developed for practical application, both exhibited 100% success. In all, the developed CDA method with high specificity, simplicity, efficiency and rapidity has shown its great potential for point of care nucleic acids diagnostic.
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Affiliation(s)
- Rui Mao
- Key Laboratory of Diagnosis and Treatment of Digestive System Tumors of Zhejiang Province, Hwa Mei Hospital, University of Chinese Academy of Sciences, Ningbo, 315010, China; Ningbo Institute of Life and Health Industry, University of Chinese Academy of Sciences, Ningbo, 315010, China.
| | - Tianzuo Wang
- Key Laboratory of Diagnosis and Treatment of Digestive System Tumors of Zhejiang Province, Hwa Mei Hospital, University of Chinese Academy of Sciences, Ningbo, 315010, China; Ningbo Institute of Life and Health Industry, University of Chinese Academy of Sciences, Ningbo, 315010, China
| | - Yue Zhao
- Key Laboratory of Diagnosis and Treatment of Digestive System Tumors of Zhejiang Province, Hwa Mei Hospital, University of Chinese Academy of Sciences, Ningbo, 315010, China; Ningbo Institute of Life and Health Industry, University of Chinese Academy of Sciences, Ningbo, 315010, China
| | - Xinyao Wu
- Key Laboratory of Diagnosis and Treatment of Digestive System Tumors of Zhejiang Province, Hwa Mei Hospital, University of Chinese Academy of Sciences, Ningbo, 315010, China; Ningbo Institute of Life and Health Industry, University of Chinese Academy of Sciences, Ningbo, 315010, China
| | - Shun Zhang
- Key Laboratory of Diagnosis and Treatment of Digestive System Tumors of Zhejiang Province, Hwa Mei Hospital, University of Chinese Academy of Sciences, Ningbo, 315010, China; Ningbo Institute of Life and Health Industry, University of Chinese Academy of Sciences, Ningbo, 315010, China
| | - Ting Cai
- Key Laboratory of Diagnosis and Treatment of Digestive System Tumors of Zhejiang Province, Hwa Mei Hospital, University of Chinese Academy of Sciences, Ningbo, 315010, China; Ningbo Institute of Life and Health Industry, University of Chinese Academy of Sciences, Ningbo, 315010, China.
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11
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Xu D, Jiang X, Zou T, Miao G, Fu Q, Xiang F, Feng L, Ye X, Zhang L, Qiu X. A microfluidic system for rapid nucleic acid analysis based on real-time convective PCR at point-of-care testing. MICROFLUIDICS AND NANOFLUIDICS 2022; 26:69. [PMID: 35991118 PMCID: PMC9380682 DOI: 10.1007/s10404-022-02577-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2022] [Accepted: 08/09/2022] [Indexed: 05/21/2023]
Abstract
A microfluidic system for rapid nucleic acid analysis based on real-time convective PCR is developed. To perform 'sample-in, answer-out' nucleic acid analysis, a microfluidic chip is developed to efficiently extract nucleic acid, and meanwhile convective PCR (CPCR) is applied for rapid nucleic acid amplification. With an integrated microfluidic chip consisting of reagent pre-storage chambers, a lysis & wash chamber, an elution chamber and a waste chamber, nucleic acid extraction based on magnetic beads can be automatically performed for a large size of test sample within a limited time. Based on an easy-to-operate strategy, different pre-stored reagents can be conveniently released for consecutive reaction at different steps. To achieve efficient mixing, a portable companion device is developed to introduce properly controlled 3-D actuation to magnetic beads in nucleic acid extraction. In CPCR amplification, PCR reagent can be spontaneously and repeatedly circulated between hot and cool zones of the reactor for space-domain thermal cycling based on pseudo-isothermal heating. A handheld real-time CPCR device is developed to perform nucleic acid amplification and in-situ detection. To extend the detection throughput, multiple handheld real-time CPCR devices can be grouped together by a common control system. It is demonstrated that influenza A (H1N1) viruses with the reasonable concentration down to 1.0 TCID50/ml can be successfully detected with the microfluidic system.
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Affiliation(s)
- Donglin Xu
- Institute of Microfluidic Chip Development in Biomedical Engineering, College of Information Science and Technology, Beijing University of Chemical Technology, Beijing, 100029 China
| | - Xiaodan Jiang
- Institute of Microfluidic Chip Development in Biomedical Engineering, College of Information Science and Technology, Beijing University of Chemical Technology, Beijing, 100029 China
| | - Tianli Zou
- Beijing Wantai Biological Pharmacy Enterprise Co. Ltd, Beijing, 102206 China
| | - Guijun Miao
- Institute of Microfluidic Chip Development in Biomedical Engineering, College of Information Science and Technology, Beijing University of Chemical Technology, Beijing, 100029 China
| | - Qiang Fu
- Institute of Microfluidic Chip Development in Biomedical Engineering, College of Information Science and Technology, Beijing University of Chemical Technology, Beijing, 100029 China
| | - Fei Xiang
- Institute of Microfluidic Chip Development in Biomedical Engineering, College of Information Science and Technology, Beijing University of Chemical Technology, Beijing, 100029 China
| | - Liang Feng
- Institute of Microfluidic Chip Development in Biomedical Engineering, College of Information Science and Technology, Beijing University of Chemical Technology, Beijing, 100029 China
| | - Xiangzhong Ye
- Beijing Wantai Biological Pharmacy Enterprise Co. Ltd, Beijing, 102206 China
| | - Lulu Zhang
- Institute of Microfluidic Chip Development in Biomedical Engineering, College of Information Science and Technology, Beijing University of Chemical Technology, Beijing, 100029 China
| | - Xianbo Qiu
- Institute of Microfluidic Chip Development in Biomedical Engineering, College of Information Science and Technology, Beijing University of Chemical Technology, Beijing, 100029 China
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12
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Pan Y, Wei X, Guo X, Wang H, Song H, Pan C, Xu N. Immunoassay based on Au-Ag bimetallic nanoclusters for colorimetric/fluorescent double biosensing of dicofol. Biosens Bioelectron 2021; 194:113611. [PMID: 34500229 DOI: 10.1016/j.bios.2021.113611] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Revised: 08/30/2021] [Accepted: 08/31/2021] [Indexed: 12/17/2022]
Abstract
The high toxicity of dicofol (DICO) to nontarget organisms has resulted in the contamination of food materials and caused a threat to human health. Developing a rapid and sensitive detection method of DICO in food samples is essential and still pursued. Fluorescent nanomaterials have been widely applied in biosensors to improve the sensitivity of detection. Herein, glutathione-capped Au-Ag bimetallic nanoclusters (Au-Ag NCs) exhibited the outstanding fluorescence characteristic with the average fluorescence lifetime of 1971.08 ns and photoluminescence quantum yield of 9.84% when the molar ratio of Au to Ag was 5:1. Polyethyleneimine modified gold nanoparticles (PEI-Au NPs) with the positive charge were prepared to generate a strong colorimetric signal. A dual-model colorimetric/fluorescent immune probe based on the Au-Ag NCs and PEI-Au NPs was successfully constructed by electrostatic force, and could be applied in both ic-ELISA and LFIA methods for rapid and ultrasensitive detection of DICO. In the ic-ELISA method, the introduction of fluorescence signal significantly increased the sensitivity of detection with the limit of detection (LOD) of 0.62 ng/mL and exhibited an excellent linear relationship within the range of 1.36 ng/mL-19.92 ng/mL. In the LFIA method, the fluorescence signal of Au-Ag NCs was accumulated on the test line and control line for the fluorescence model detection with a quantitative LOD at the level of 1.59 ng/mL. Such a dual-model colorimetric/fluorescent immunoassay serves as a promising candidate to develop new approaches in field detection.
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Affiliation(s)
- Yi Pan
- Department of Food Science & Technology, School of Agriculture and Biology, Shanghai Jiao Tong University, 800 Dongchuan Road, Minhang District, Shanghai, 200240, China
| | - Xinlin Wei
- Department of Food Science & Technology, School of Agriculture and Biology, Shanghai Jiao Tong University, 800 Dongchuan Road, Minhang District, Shanghai, 200240, China.
| | - Xiaodong Guo
- Department of Food Science & Technology, School of Agriculture and Biology, Shanghai Jiao Tong University, 800 Dongchuan Road, Minhang District, Shanghai, 200240, China
| | - Hui Wang
- School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Haiyun Song
- School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Canping Pan
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing, 100193, China
| | - Naifeng Xu
- Institute of Food Engineering, College of Life Science, Shanghai Normal University, 100 Guilin Road, Xuhui District, Shanghai, 200234, China
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13
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Chu H, Liu C, Liu J, Yang J, Li Y, Zhang X. Recent advances and challenges of biosensing in point-of-care molecular diagnosis. SENSORS AND ACTUATORS. B, CHEMICAL 2021; 348:130708. [PMID: 34511726 PMCID: PMC8424413 DOI: 10.1016/j.snb.2021.130708] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2021] [Revised: 08/30/2021] [Accepted: 08/31/2021] [Indexed: 05/07/2023]
Abstract
Molecular diagnosis, which plays a major role in infectious disease screening with successful understanding of the human genome, has attracted more attention because of the outbreak of COVID-19 recently. Since point-of-care testing (POCT) can expand the application of molecular diagnosis with the benefit of rapid reply, low cost, and working in decentralized environments, many researchers and commercial institutions have dedicated tremendous effort and enthusiasm to POCT-based biosensing for molecular diagnosis. In this review, we firstly summarize the state-of-the-art techniques and the construction of biosensing systems for POC molecular diagnosis. Then, the application scenarios of POCT-based biosensing for molecular diagnosis were also reviewed. Finally, several challenges and perspectives of POC biosensing for molecular diagnosis are discussed. This review is expected to help researchers deepen comprehension and make progresses in POCT-based biosensing field for molecular diagnosis applications.
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Affiliation(s)
- Hongwei Chu
- Shenzhen Key Laboratory of Flexible Printed Electronics Technology, School of Science, Harbin Institute of Technology (Shenzhen), Shenzhen, Guangdong 518055, China
| | - Conghui Liu
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, Guangdong 518060, China
| | - Jinsen Liu
- Shenzhen ENCO Instrument Co., Ltd, Shenzhen 518000, China
| | - Jiao Yang
- Shenzhen Key Laboratory of Flexible Printed Electronics Technology, School of Science, Harbin Institute of Technology (Shenzhen), Shenzhen, Guangdong 518055, China
| | - Yingchun Li
- Shenzhen Key Laboratory of Flexible Printed Electronics Technology, School of Science, Harbin Institute of Technology (Shenzhen), Shenzhen, Guangdong 518055, China
| | - Xueji Zhang
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, Guangdong 518060, China
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14
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Zhang M, Shi L, Liu X, Qian M, Qi H. “Signal‐on” Electrogenerated Chemiluminescence Biosensing Method for the Determination of Matrix Metalloproteinase 2. ELECTROANAL 2021. [DOI: 10.1002/elan.202100284] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Mengyu Zhang
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry and Chemical Engineering Shaanxi Normal University Xi'an 710062 P.R. China
| | - Liang Shi
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry and Chemical Engineering Shaanxi Normal University Xi'an 710062 P.R. China
- School of Electronic Information Engineering Xi'an Technological University Xi'an 710021 P.R. China
| | - Xiaoru Liu
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry and Chemical Engineering Shaanxi Normal University Xi'an 710062 P.R. China
| | - Manping Qian
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry and Chemical Engineering Shaanxi Normal University Xi'an 710062 P.R. China
| | - Honglan Qi
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry and Chemical Engineering Shaanxi Normal University Xi'an 710062 P.R. China
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15
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Li M, Yin F, Song L, Mao X, Li F, Fan C, Zuo X, Xia Q. Nucleic Acid Tests for Clinical Translation. Chem Rev 2021; 121:10469-10558. [PMID: 34254782 DOI: 10.1021/acs.chemrev.1c00241] [Citation(s) in RCA: 78] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Nucleic acids, including deoxyribonucleic acid (DNA) and ribonucleic acid (RNA), are natural biopolymers composed of nucleotides that store, transmit, and express genetic information. Overexpressed or underexpressed as well as mutated nucleic acids have been implicated in many diseases. Therefore, nucleic acid tests (NATs) are extremely important. Inspired by intracellular DNA replication and RNA transcription, in vitro NATs have been extensively developed to improve the detection specificity, sensitivity, and simplicity. The principles of NATs can be in general classified into three categories: nucleic acid hybridization, thermal-cycle or isothermal amplification, and signal amplification. Driven by pressing needs in clinical diagnosis and prevention of infectious diseases, NATs have evolved to be a rapidly advancing field. During the past ten years, an explosive increase of research interest in both basic research and clinical translation has been witnessed. In this review, we aim to provide comprehensive coverage of the progress to analyze nucleic acids, use nucleic acids as recognition probes, construct detection devices based on nucleic acids, and utilize nucleic acids in clinical diagnosis and other important fields. We also discuss the new frontiers in the field and the challenges to be addressed.
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Affiliation(s)
- Min Li
- Institute of Molecular Medicine, Department of Liver Surgery, Shanghai Key Laboratory for Nucleic Acid Chemistry and Nanomedicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Fangfei Yin
- Institute of Molecular Medicine, Department of Liver Surgery, Shanghai Key Laboratory for Nucleic Acid Chemistry and Nanomedicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Lu Song
- Institute of Molecular Medicine, Department of Liver Surgery, Shanghai Key Laboratory for Nucleic Acid Chemistry and Nanomedicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China.,Division of Physical Biology, CAS Key Laboratory of Interfacial Physics and Technology, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
| | - Xiuhai Mao
- Institute of Molecular Medicine, Department of Liver Surgery, Shanghai Key Laboratory for Nucleic Acid Chemistry and Nanomedicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Fan Li
- Institute of Molecular Medicine, Department of Liver Surgery, Shanghai Key Laboratory for Nucleic Acid Chemistry and Nanomedicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, 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
| | - Xiaolei Zuo
- Institute of Molecular Medicine, Department of Liver Surgery, Shanghai Key Laboratory for Nucleic Acid Chemistry and Nanomedicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China.,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
| | - Qiang Xia
- Institute of Molecular Medicine, Department of Liver Surgery, Shanghai Key Laboratory for Nucleic Acid Chemistry and Nanomedicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
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16
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Danyuo Y, Obayemi JD, Salifu AA, Oyewole OK, Azeko ST, Ani CJ, Dozie-Nwachukwu S, Yirijor J, Abade-Abugre M, Odusanya OS, McBagonluri F, Soboyejo WO. Cell-surface interactions on gold-coated polydimethylsiloxane nanocomposite structures: Localized laser heating on cell viability. J Biomed Mater Res A 2021; 109:2611-2624. [PMID: 34180577 DOI: 10.1002/jbm.a.37254] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Revised: 06/11/2021] [Accepted: 06/18/2021] [Indexed: 12/26/2022]
Abstract
This article presents the results of cell-surface interactions on polydimethylsiloxane (PDMS)-based substrates coated with nanoscale gold (Au) thin films. The surfaces of PDMS and PDMS-magnetite (MNP)-based substrates were treated with UV-ozone, prior to thermal vapor deposition (sputter-coated) of thin films of titanium (Ti) onto the substrates to improve the adhesion of Au coatings. The thin layer of Ti was thermally evaporated to improve interfacial adhesion, which was enhanced by a 40-nm thick film microwrinkled/buckled wavy layer of Au, that was coated to enhance cell-surface interactions and protein absorption. Cell-surface interactions were studied on the hybrid surfaces using a combination of optical and fluorescence microscopy. Consequently, cell proliferation and surface cytotoxicity (of the sputter-coated PDMS surfaces) were elucidated by characterizing the metabolic activity in the presence of breast cancer and normal breast cells. The photothermal conversion efficiency associated with laser-materials interactions with the PDMS/PDMS-magnetite-based composites was shown to have an optimum efficiency of ~31.8%. The implications of the results are discussed for potential applications of PDMS nanocomposites in implantable biomedical devices.
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Affiliation(s)
- Yiporo Danyuo
- Department of Mechanical Engineering, Ashesi University, 1 University Avenue, Berekuso, Ghana.,Department of Materials Science and Engineering, African University of Science and Technology, FCT, Abuja, Nigeria
| | - John David Obayemi
- Department of Mechanical Engineering, Higgins Labs, Worcester Polytechnic Institute, Worcester, Massachusetts, USA
| | - Ali Azeko Salifu
- Department of Mechanical Engineering, Higgins Labs, Worcester Polytechnic Institute, Worcester, Massachusetts, USA
| | - Oluwaseun Kehinde Oyewole
- Department of Mechanical Engineering, Higgins Labs, Worcester Polytechnic Institute, Worcester, Massachusetts, USA
| | - Salifu Tahiru Azeko
- Department of Mechanical Engineering, Tamale Technical University, Tamale, Northern Region, Ghana
| | - Chukwuemeka Joseph Ani
- Department of Theoretical and Applied Physics, African University of Science and Technology (AUST), FCT, Abuja, Nigeria.,Department of Electrical and Electronics Engineering, Nile University of Nigeria, FCT, Abuja, Nigeria
| | - Stella Dozie-Nwachukwu
- Department of Materials Science and Engineering, African University of Science and Technology, FCT, Abuja, Nigeria.,Biotechnology Advance Research Centre, Sheda Science and Technology Complex (SHESTCO), FCT, Abuja, Nigeria
| | - John Yirijor
- Department of Mechanical Engineering, Academic City University College, Accra, Ghana
| | - Miriam Abade-Abugre
- Department of Mechanical Engineering, Ashesi University, 1 University Avenue, Berekuso, Ghana
| | - Olushola Segun Odusanya
- Department of Materials Science and Engineering, African University of Science and Technology, FCT, Abuja, Nigeria.,Biotechnology Advance Research Centre, Sheda Science and Technology Complex (SHESTCO), FCT, Abuja, Nigeria
| | - Fred McBagonluri
- Department of Mechanical Engineering, Academic City University College, Accra, Ghana
| | - Winston Oluwole Soboyejo
- Department of Mechanical Engineering, Higgins Labs, Worcester Polytechnic Institute, Worcester, Massachusetts, USA
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17
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Naseri M, Ziora ZM, Simon GP, Batchelor W. ASSURED‐compliant point‐of‐care diagnostics for the detection of human viral infections. Rev Med Virol 2021. [DOI: 10.1002/rmv.2263] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Mahdi Naseri
- Department of Chemical Engineering Bioresource Processing Research Institute of Australia (BioPRIA) Monash University Clayton VIC Australia
| | - Zyta M Ziora
- Institute for Molecular Bioscience The University of Queensland St Lucia QLD Australia
| | - George P Simon
- Department of Materials Science and Engineering Monash University Clayton VIC Australia
| | - Warren Batchelor
- Department of Chemical Engineering Bioresource Processing Research Institute of Australia (BioPRIA) Monash University Clayton VIC Australia
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18
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Guo L, Li H, Zhao R, Tang Y, Li B. Sensitive, general and portable detection of RNAs combining duplex-specific nuclease transduction with an off-shelf signalling platform. Chem Commun (Camb) 2021; 57:5714-5717. [PMID: 33982719 DOI: 10.1039/d1cc01715b] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
We report a novel RNA sensing platform by combining the RNA:DNA hybridization, duplex-specific nuclease (DSN) amplification, and personal glucose meter (PGM) readout. The so-called DSN-PGM sensing platform is sensitive, specific and general to both microRNA and long virus RNA. The detection procedure is simple and instrument-free, thus holding particular potential in the development of portable and point-of-care measurements.
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Affiliation(s)
- Lulu Guo
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, China and Department of Chemistry, University of Science & Technology of China, Hefei, Anhui 230026, China
| | - Huan Li
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, China and Department of Chemistry, University of Science & Technology of China, Hefei, Anhui 230026, China
| | - Rujian Zhao
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, China and Department of Chemistry, University of Science & Technology of China, Hefei, Anhui 230026, China
| | - Yidan Tang
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, China
| | - Bingling Li
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, China and Department of Chemistry, University of Science & Technology of China, Hefei, Anhui 230026, China
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19
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Mei W, Liu X, Zou L, Wang Q, Yang X, Wang K. Microcapillary-based multicolor assay for quantitative and sensitive point-of-care testing of proteins. Biosens Bioelectron 2021; 189:113370. [PMID: 34090153 DOI: 10.1016/j.bios.2021.113370] [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: 03/12/2021] [Revised: 05/02/2021] [Accepted: 05/23/2021] [Indexed: 10/21/2022]
Abstract
A microcapillary-based multicolor assay was developed for proteins quantification in serum sample with the assistance of manual centrifugal platform. The proposed assay only required the operation of "one suction and one extrusion" to realize the target detection. Myoglobin (Myo), a biomarker in the early stage of acute myocardial infarction (AMI), was chosen as the model target. The microcapillary was first modified with polydopamine (PDA), then Myo aptamer was immobilized on the PDA modified microcapillary and hybridized with glucose oxidase (Gox) functionalized DNA probe (DNA-Gox). The step "one suction" referred to the inhalation of the sample into the functionalized microcapillary. Then the target Myo in the sample could bind to the Myo aptamer on the microcapillary so that DNA-Gox complexes were released from the microcapillary into solution. Through the step "one extrusion", the DNA-Gox complexes in the solution could catalyze glucose to generate hydrogen peroxide, and then the etching of gold nanorods (AuNRs) was initiated, causing a color change from brown to yellow. According to the color change based on the etching of AuNRs, as low as 0.1 nM Myo was detected with naked eyes. Combined with the manual centrifugal platform, even the Myo in the serum samples could be detected without power supply. It was expected to build a universal and adaptable sensing platform for different targets more quickly and efficiently.
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Affiliation(s)
- Wenjing Mei
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, Hunan University, Changsha, 410082, China
| | - Xiaofeng Liu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, Hunan University, Changsha, 410082, China
| | - Liyuan Zou
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, Hunan University, Changsha, 410082, China
| | - Qing Wang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, Hunan University, Changsha, 410082, China.
| | - Xiaohai Yang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, Hunan University, Changsha, 410082, China.
| | - Kemin Wang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, Hunan University, Changsha, 410082, China
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20
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Tan YL, Chen H, Wu ZK, He J, Jiang JH. Digital Loop-Mediated Isothermal Amplification-Based Absolute Methylation Quantification Revealed Hypermethylated DAPK1 in Cervical Cancer Patients. Anal Chem 2021; 93:8077-8083. [PMID: 34019386 DOI: 10.1021/acs.analchem.1c01510] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The aberrant methylation of many genes has been reported to be associated with various carcinomas. Accurate detection of the methylation level could provide critical insights into the diagnostic analysis of diseases. Here, a sensitive HpaII-edited absolute droplet loop-mediated isothermal amplification (HEADLAMP) method based on methylation-sensitive restriction enzyme (MSRE) HpaII was developed for the digital quantification of DNA methylation. Methylation levels of the death-associated protein kinase 1 (DAPK1) gene that is associated with many cancers were studied using β-actin as an internal reference. DAPK1 (2.5 pM) with 0.01% methylation (250 aM) can be detected with the conventional HpaII-edited LAMP assay. Using HEADLAMP, as low as 1% methylation level can be distinguished with an estimated limit of detection of 5 aM (ca. 3 copies/μL). Moreover, HEADLAMP can detect low levels of methylated DAPK1 in normal L-02 cells, while the conventional assay cannot. Finally, HEADLAMP was applied to the detection of DAPK1 methylation in 20 clinical tissue samples, which revealed hypermethylated DAPK1 in cervical cancer patients. We envisage potential applications of this robust, specific, and sensitive HEADLAMP assay in epigenetic studies and early clinical diagnosis.
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Affiliation(s)
- Ya-Ling Tan
- State Key Laboratory of Chemo/BioSensing and Chemometrics, College of Biology, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Hongjian Chen
- State Key Laboratory of Chemo/BioSensing and Chemometrics, College of Biology, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Zhen-Kun Wu
- State Key Laboratory of Chemo/BioSensing and Chemometrics, College of Biology, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Jianjun He
- State Key Laboratory of Chemo/BioSensing and Chemometrics, College of Biology, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Jian-Hui Jiang
- State Key Laboratory of Chemo/BioSensing and Chemometrics, College of Biology, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
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21
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Tan YL, Huang AQ, Tang LJ, Jiang JH. Multiplexed droplet loop-mediated isothermal amplification with scorpion-shaped probes and fluorescence microscopic counting for digital quantification of virus RNAs. Chem Sci 2021; 12:8445-8451. [PMID: 34221326 PMCID: PMC8221175 DOI: 10.1039/d1sc00616a] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Highly sensitive digital nucleic acid techniques are of great significance for the prevention and control of epidemic diseases. Here we report the development of multiplexed droplet loop-mediated isothermal amplification (multiplexed dLAMP) with scorpion-shaped probes (SPs) and fluorescence microscopic counting for simultaneous quantification of multiple targets. A set of target-specific fluorescence-activable SPs are designed, which allows establishment of a novel multiplexed LAMP strategy for simultaneous detection of multiple cDNA targets. The digital multiplexed LAMP assay is thus developed by implementing the LAMP reaction using a droplet microfluidic chip coupled to a droplet counting microwell chip. The droplet counting system allows rapid and accurate counting of the numbers of total droplets and the positive droplets by collecting multi-color fluorescence images of the droplets in a microwell. The multiplexed dLAMP assay was successfully demonstrated for the quantification of HCV and HIV cDNA with high precision and detection limits as low as 4 copies per reaction. We also verified its potential for simultaneous digital assay of HCV and HIV RNA in clinical plasma samples. This multiplexed dLAMP technique can afford a useful platform for highly sensitive and specific detection of nucleic acids of viruses and other pathogens, enabling rapid diagnosis and prevention of infectious diseases. The development of multiplexed dLAMP with scorpion-shaped probes and fluorescence microscopic counting affords simultaneous digital quantification of multiple virus RNAs.![]()
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Affiliation(s)
- Ya-Ling Tan
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University Changsha 410082 P. R. China +86-731-88822577 +86-731-88822872
| | - A-Qian Huang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University Changsha 410082 P. R. China +86-731-88822577 +86-731-88822872
| | - Li-Juan Tang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University Changsha 410082 P. R. China +86-731-88822577 +86-731-88822872
| | - Jian-Hui Jiang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University Changsha 410082 P. R. China +86-731-88822577 +86-731-88822872
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22
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Hong T, Qiu L, Zhou S, Cai Z, Cui P, Zheng R, Wang J, Tan S, Jiang P. How does DNA 'meet' capillary-based microsystems? Analyst 2021; 146:48-63. [PMID: 33211035 DOI: 10.1039/d0an01336f] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
DNA possesses various chemical and physical properties which make it important in biological analysis. The opportunity for DNA to 'meet' capillary-based microsystems is rapidly increasing owing to the expanding development of miniaturization. Novel capillary-based methods can provide favourable platforms for DNA-ligand interaction assay, DNA translocation study, DNA separation, DNA aptamer selection, DNA amplification assay, and DNA digestion. Meanwhile, DNA exhibits great potential in the fabrication of new capillary-based biosensors and enzymatic bioreactors. Moreover, DNA has received significant research interest in improving capillary electrophoresis (CE) performance. We focus on highlighting the advantages of combining DNA and capillary-based microsystems. The general trend presented in this review suggests that the 'meeting' has offered a stepping stone for the application of DNA and capillary-based microsystems in the field of analytical chemistry.
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Affiliation(s)
- Tingting Hong
- School of Pharmacy, Changzhou University, Changzhou, Jiangsu 213164, China.
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23
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Liu Y, Zhan L, Qin Z, Sackrison J, Bischof JC. Ultrasensitive and Highly Specific Lateral Flow Assays for Point-of-Care Diagnosis. ACS NANO 2021; 15:3593-3611. [PMID: 33607867 DOI: 10.1021/acsnano.0c10035] [Citation(s) in RCA: 221] [Impact Index Per Article: 73.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
Lateral flow assays (LFAs) are paper-based point-of-care (POC) diagnostic tools that are widely used because of their low cost, ease of use, and rapid format. Unfortunately, traditional commercial LFAs have significantly poorer sensitivities (μM) and specificities than standard laboratory tests (enzyme-linked immunosorbent assay, ELISA: pM-fM; polymerase chain reaction, PCR: aM), thus limiting their impact in disease control. In this Perspective, we review the evolving efforts to increase the sensitivity and specificity of LFAs. Recent work to improve the sensitivity through assay improvement includes optimization of the assay kinetics and signal amplification by either reader systems or additional reagents. Together, these efforts have produced LFAs with ELISA-level sensitivities (pM-fM). In addition, sample preamplification can be applied to both nucleic acids (direct amplification) and other analytes (indirect amplification) prior to LFA testing, which can lead to PCR-level (aM) sensitivity. However, these amplification strategies also increase the detection time and assay complexity, which inhibits the large-scale POC use of LFAs. Perspectives to achieve future rapid (<30 min), ultrasensitive (PCR-level), and "sample-to-answer" POC diagnostics are also provided. In the case of LFA specificity, recent research efforts have focused on high-affinity molecules and assay optimization to reduce nonspecific binding. Furthermore, novel highly specific molecules, such as CRISPR/Cas systems, can be integrated into diagnosis with LFAs to produce not only ultrasensitive but also highly specific POC diagnostics. In summary, with continuing improvements, LFAs may soon offer performance at the POC that is competitive with laboratory techniques while retaining a rapid format.
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Affiliation(s)
- Yilin Liu
- Department of Mechanical Engineering, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Li Zhan
- Department of Mechanical Engineering, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Zhenpeng Qin
- Department of Mechanical Engineering, University of Texas at Dallas, Richardson, Texas 75080 United States
- Department of Bioengineering, University of Texas at Dallas, Richardson, Texas 75080, United States
- Department of Surgery, University of Texas Southwestern Medical Center, Dallas, Texas 75390, United States
- Center for Advanced Pain Studies, University of Texas at Dallas, Richardson, Texas 75080, United States
| | - James Sackrison
- 3984 Hunters Hill Way, Minnetonka, Minnesota 55345, United States
| | - John C Bischof
- Department of Mechanical Engineering, University of Minnesota, Minneapolis, Minnesota 55455, United States
- Department of Biomedical Engineering, University of Minnesota, Minneapolis, Minnesota 55455, United States
- Director, Institute of Engineering in Medicine, University of Minnesota, Minneapolis, Minnesota 55455, United States
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24
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Integrated and finger-actuated microfluidic chip for point-of-care testing of multiple pathogens. Talanta 2021; 224:121844. [DOI: 10.1016/j.talanta.2020.121844] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 10/26/2020] [Accepted: 10/30/2020] [Indexed: 12/18/2022]
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25
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Morioka K, Sato H, Kuboyama M, Yanagida A, Shoji A. Quantification of CRP in human serum using a handheld fluorescence detection system for capillary-based ELISA. Talanta 2021; 224:121725. [PMID: 33379000 DOI: 10.1016/j.talanta.2020.121725] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Revised: 09/28/2020] [Accepted: 09/29/2020] [Indexed: 12/11/2022]
Abstract
We developed a handheld fluorescence detection system for capillary-based enzyme-linked immunosorbent assay (ELISA). The detection system implements both a long-pass filter and perpendicular optical arrangement, i.e., a power LED and a palm-sized spectrometer, to minimize background signals from the excitation light and optical scattering. The lower detection limit for resorufin was 0.13 μM. The detection system was applied to the quantification of C-reactive protein (CRP) in human serum with a capillary-based ELISA. The lower detection limit for CRP was 31 ng/ml, and the observed CRP levels in human serum were comparable to those obtained with a conventional ELISA system.
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Affiliation(s)
- Kazuhiro Morioka
- School of Pharmacy, Tokyo University of Pharmacy and Life Sciences, 1432-1 Horinouchi, Hachioji, Tokyo, 192-0392, Japan
| | - Hina Sato
- School of Pharmacy, Tokyo University of Pharmacy and Life Sciences, 1432-1 Horinouchi, Hachioji, Tokyo, 192-0392, Japan
| | - Minori Kuboyama
- School of Pharmacy, Tokyo University of Pharmacy and Life Sciences, 1432-1 Horinouchi, Hachioji, Tokyo, 192-0392, Japan
| | - Akio Yanagida
- School of Pharmacy, Tokyo University of Pharmacy and Life Sciences, 1432-1 Horinouchi, Hachioji, Tokyo, 192-0392, Japan
| | - Atsushi Shoji
- School of Pharmacy, Tokyo University of Pharmacy and Life Sciences, 1432-1 Horinouchi, Hachioji, Tokyo, 192-0392, Japan.
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26
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Ali SA, Boby N, Preena P, Singh SV, Kaur G, Ghosh SK, Nandi S, Chaudhuri P. Microcapillary LAMP for rapid and sensitive detection of pathogen in bovine semen. Anim Biotechnol 2021; 33:1025-1034. [PMID: 33427030 DOI: 10.1080/10495398.2020.1863225] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
A microcapillary-based loop-mediated isothermal amplification (µcLAMP) has been described for specific detection of infectious reproductive pathogens in semen samples of cattle without sophisticated instrumentation. Brucella abortus, Leptospira interrogans serovar Pomona and bovine herpesvirus 1 (BoHV-1) cultures were mixed in bovine semen samples. The µcLAMP assay is portable, user-friendly, cost-effective, and suitable to be performed as a POC diagnostic test. We have demonstrated high sensitivity and specificity of µcLAMP for detection of Brucella, Leptospira, and BoHV-1 in bovine semen samples comparable to PCR and qPCR assays. Thus, µcLAMP would be a promising field-based test for monitoring various infectious pathogens in biological samples.HighlightsDetect infectious organism in bovines semenReduction in carryover contamination is an important attribute, which may reduce the false-positive reaction.µcLAMP is a miniaturized form, which could be performed with a minimum volume of reagents.The µcLAMP assay is portable, user-friendly, and suitable to be performed as a POC diagnostic test.
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Affiliation(s)
- Syed Atif Ali
- Division of Bacteriology & Mycology, Indian Veterinary Research Institute, Izatnagar, India
| | - Nongthombam Boby
- Division of Veterinary Biotechnology, Indian Veterinary Research Institute, Izatnagar, India
| | - Prasanna Preena
- Division of Veterinary Medicine, Indian Veterinary Research Institute, Izatnagar, India
| | - Shiv Varan Singh
- Division of Bacteriology & Mycology, Indian Veterinary Research Institute, Izatnagar, India
| | - Gurpreet Kaur
- Division of Bacteriology & Mycology, Indian Veterinary Research Institute, Izatnagar, India
| | - Subrata Kumar Ghosh
- Division of Animal Reproduction, Indian Veterinary Research Institute, Izatnagar, India
| | - Sukdeb Nandi
- CADRAD, Indian Veterinary Research Institute, Izatnagar, India
| | - Pallab Chaudhuri
- Division of Bacteriology & Mycology, Indian Veterinary Research Institute, Izatnagar, India
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27
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Zhang Y, Nunoura T, Nishiura D, Hirai M, Shimamura S, Kurosawa K, Ishiwata C, Deguchi S. A single-molecule counting approach for convenient and ultrasensitive measurement of restriction digest efficiencies. PLoS One 2020; 15:e0244464. [PMID: 33382779 PMCID: PMC7775078 DOI: 10.1371/journal.pone.0244464] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Accepted: 12/10/2020] [Indexed: 12/12/2022] Open
Abstract
Restriction endonucleases play a central role in the microbial immune system against viruses and are widely used in DNA specific cleavage, which is called restriction digestion, for genetic engineering. Herein, we applied digital cell-free protein synthesis as an easy-to-use orthogonal readout means to assess the restriction digest efficiency, a new application of digital bioassays. The digital counting principle enabled an unprecedentedly sensitive trace analysis of undigested DNA at the single-molecule level in a PCR-free manner. Our approach can quantify the template DNA of much lower concentrations that cannot be detected by ensemble-based methods such as gold-standard DNA electrophoresis techniques. The sensitive and quantitative measurements revealed a considerable variation in the digest efficiency among restriction endonucleases, from less than 70% to more than 99%. Intriguingly, none of them showed truly complete digestion within reasonably long periods of reaction time. The same rationale was extended to a multiplexed assay and applicable to any DNA-degrading or genome-editing enzymes. The enzyme kinetic parameters and the flanking sequence-dependent digest efficiency can also be interrogated with the proposed digital counting method. The absolute number of residual intact DNA molecules per microliter was concluded to be at least 107, drawing attention to the residual issue of genetic materials associated with the interpretation of nucleases’ behaviors and functions in daily genetic engineering experiments.
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Affiliation(s)
- Yi Zhang
- SUGAR Program, X-star, Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Yokosuka, Japan
- * E-mail:
| | - Takuro Nunoura
- Research Center for Bioscience and Nanoscience, Research Institute for Marine Resources Utilization, Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Yokosuka, Japan
| | - Daisuke Nishiura
- Center for Mathematical Science and Advanced Technology, Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Yokosuka, Japan
| | - Miho Hirai
- SUGAR Program, X-star, Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Yokosuka, Japan
| | - Shigeru Shimamura
- SUGAR Program, X-star, Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Yokosuka, Japan
| | - Kanako Kurosawa
- SUGAR Program, X-star, Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Yokosuka, Japan
| | - Chieko Ishiwata
- Center for Mathematical Science and Advanced Technology, Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Yokosuka, Japan
| | - Shigeru Deguchi
- Research Center for Bioscience and Nanoscience, Research Institute for Marine Resources Utilization, Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Yokosuka, Japan
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28
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Paul R, Ostermann E, Wei Q. Advances in point-of-care nucleic acid extraction technologies for rapid diagnosis of human and plant diseases. Biosens Bioelectron 2020; 169:112592. [PMID: 32942143 PMCID: PMC7476893 DOI: 10.1016/j.bios.2020.112592] [Citation(s) in RCA: 70] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Revised: 09/01/2020] [Accepted: 09/02/2020] [Indexed: 12/22/2022]
Abstract
Global health and food security constantly face the challenge of emerging human and plant diseases caused by bacteria, viruses, fungi, and other pathogens. Disease outbreaks such as SARS, MERS, Swine Flu, Ebola, and COVID-19 (on-going) have caused suffering, death, and economic losses worldwide. To prevent the spread of disease and protect human populations, rapid point-of-care (POC) molecular diagnosis of human and plant diseases play an increasingly crucial role. Nucleic acid-based molecular diagnosis reveals valuable information at the genomic level about the identity of the disease-causing pathogens and their pathogenesis, which help researchers, healthcare professionals, and patients to detect the presence of pathogens, track the spread of disease, and guide treatment more efficiently. A typical nucleic acid-based diagnostic test consists of three major steps: nucleic acid extraction, amplification, and amplicon detection. Among these steps, nucleic acid extraction is the first step of sample preparation, which remains one of the main challenges when converting laboratory molecular assays into POC tests. Sample preparation from human and plant specimens is a time-consuming and multi-step process, which requires well-equipped laboratories and skilled lab personnel. To perform rapid molecular diagnosis in resource-limited settings, simpler and instrument-free nucleic acid extraction techniques are required to improve the speed of field detection with minimal human intervention. This review summarizes the recent advances in POC nucleic acid extraction technologies. In particular, this review focuses on novel devices or methods that have demonstrated applicability and robustness for the isolation of high-quality nucleic acid from complex raw samples, such as human blood, saliva, sputum, nasal swabs, urine, and plant tissues. The integration of these rapid nucleic acid preparation methods with miniaturized assay and sensor technologies would pave the road for the "sample-in-result-out" diagnosis of human and plant diseases, especially in remote or resource-limited settings.
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Affiliation(s)
- Rajesh Paul
- Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, NC, 27695, USA
| | - Emily Ostermann
- Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, NC, 27695, USA
| | - Qingshan Wei
- Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, NC, 27695, USA; Emerging Plant Disease and Global Food Security Cluster, North Carolina State University, Raleigh, NC, 27695, USA.
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29
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Liu LQ, Yin F, Lu Y, Yan XL, Wu CC, Li X, Li C. A light-up "G-quadruplex nanostring" for label-free and selective detection of miRNA via duplex-specific nuclease mediated tandem rolling circle amplification. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2020; 32:102339. [PMID: 33227538 DOI: 10.1016/j.nano.2020.102339] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Revised: 11/08/2020] [Accepted: 11/11/2020] [Indexed: 12/29/2022]
Abstract
MicroRNA (miRNA) has emerged as a promising genetic marker for cancer diagnosis and therapy because its expression level is closely related to the progression of malignant diseases. Herein, a label-free and selective fluorescence platform was proposed for miRNA based on light-up "G-quadruplex nanostring" via duplex-specific nuclease (DSN) mediated tandem rolling circle amplification (RCA). First, a long DNA generated from upstream RCA was designed with the antisense sequences for miR-21 and downstream RCA primer. Upon recognizing miR-21, the resulting DNA-RNA permitted DSN digestion and triggered downstream two-way RCA, and generation of abundant "G-quadruplex nanostring" binding with ZnPPIX for label-free fluorescent responses. In our strategy, the strong preference of DSN for perfectly matched DNA/RNA ensures its excellent selectivity. The developed method generated wide linear response with LOD of 1.019 fM. Additionally, the miR-21 levels in cell extracts have been evaluated, revealing the utility of this tool for biomedical research and clinical diagnosis.
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Affiliation(s)
- Li-Qi Liu
- Department of Chemistry, Liaocheng University, Liaocheng, China
| | - Fei Yin
- Department of Chemistry, Liaocheng University, Liaocheng, China
| | - Yu Lu
- Department of Chemistry, Liaocheng University, Liaocheng, China
| | - Xi-Luan Yan
- Department of Bio-industrial Mechatronics Engineering, National Chung Hsing University, Taiwan
| | - Ching-Chou Wu
- Department of Bio-industrial Mechatronics Engineering, National Chung Hsing University, Taiwan
| | - Xia Li
- Department of Chemistry, Liaocheng University, Liaocheng, China.
| | - Chenzhong Li
- Department of Bio-industrial Mechatronics Engineering, National Chung Hsing University, Taiwan
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30
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Chen Y, Mei Y, Zhao X, Jiang X. Reagents-Loaded, Automated Assay that Integrates Recombinase-Aided Amplification and Cas12a Nucleic Acid Detection for a Point-of-Care Test. Anal Chem 2020; 92:14846-14852. [DOI: 10.1021/acs.analchem.0c03883] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Yong Chen
- Department of Biomedical Engineering, Southern University of Science and Technology, No. 1088, Xueyuan Rd., Xili, Nanshan District, Shenzhen, Guangdong 518055, P. R. China
| | - Yixin Mei
- Department of Biomedical Engineering, Southern University of Science and Technology, No. 1088, Xueyuan Rd., Xili, Nanshan District, Shenzhen, Guangdong 518055, P. R. China
| | - Xiaohui Zhao
- Department of Biomedical Engineering, Southern University of Science and Technology, No. 1088, Xueyuan Rd., Xili, Nanshan District, Shenzhen, Guangdong 518055, P. R. China
| | - Xingyu Jiang
- Department of Biomedical Engineering, Southern University of Science and Technology, No. 1088, Xueyuan Rd., Xili, Nanshan District, Shenzhen, Guangdong 518055, P. R. China
- Shenzhen Bay Laboratory, Shenzhen, Guangdong 518055, China
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31
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Tian F, Liu C, Deng J, Han Z, Zhang L, Chen Q, Sun J. A fully automated centrifugal microfluidic system for sample-to-answer viral nucleic acid testing. Sci China Chem 2020; 63:1498-1506. [PMID: 32837510 PMCID: PMC7387882 DOI: 10.1007/s11426-020-9800-6] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Accepted: 06/23/2020] [Indexed: 12/14/2022]
Abstract
The outbreak of virus-induced infectious diseases poses a global public-health challenge. Nucleic acid amplification testing (NAAT) enables early detection of pandemic viruses and plays a vital role in preventing onward transmission. However, the requirement of skilled operators, expensive instrumentation, and biosafety laboratories has hindered the use of NAAT for screening and diagnosis of suspected patients. Here we report development of a fully automated centrifugal microfluidic system with sample-in-answer-out capability for sensitive, specific, and rapid viral nucleic acid testing. The release of nucleic acids and the subsequent reverse transcription loop-mediated isothermal amplification (RT-LAMP) were integrated into the reaction units of a microfluidic disc. The whole processing steps such as injection of reagents, fluid actuation by rotation, heating and temperature control, and detection of fluorescence signals were carried out automatically by a customized instrument. We validate the centrifugal microfluidic system using oropharyngeal swab samples spiked with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) armored RNA particles. The estimated limit of detection for armored RNA particles is 2 copies per reaction, the throughput is 21 reactions per disc, and the assay sample-to-answer time is approximately 70 min. This enclosed and automated microfluidic system efficiently avoids viral contamination of aerosol, and can be readily adapted for virus detection outside the diagnostic laboratory.
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Affiliation(s)
- Fei Tian
- CAS Key Laboratory of Standardization and Measurement of Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100190 China.,University of Chinese Academy of Sciences, Beijing, 100049 China
| | - Chao Liu
- CAS Key Laboratory of Standardization and Measurement of Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100190 China.,University of Chinese Academy of Sciences, Beijing, 100049 China
| | - Jinqi Deng
- CAS Key Laboratory of Standardization and Measurement of Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100190 China.,University of Chinese Academy of Sciences, Beijing, 100049 China
| | - Ziwei Han
- CAS Key Laboratory of Standardization and Measurement of Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100190 China.,University of Chinese Academy of Sciences, Beijing, 100049 China
| | - Lu Zhang
- Department of Chemistry, Capital Normal University, Beijing, 100048 China
| | - Qinghua Chen
- CAS Key Laboratory of Standardization and Measurement of Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100190 China
| | - Jiashu Sun
- CAS Key Laboratory of Standardization and Measurement of Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100190 China.,University of Chinese Academy of Sciences, Beijing, 100049 China
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32
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Tian F, Liu C, Deng J, Han Z, Zhang L, Chen Q, Sun J. A fully automated centrifugal microfluidic system for sample-to-answer viral nucleic acid testing. SCIENCE CHINA. CHEMISTRY 2020. [PMID: 32837510 DOI: 10.1007/s11426-020-9800-6,] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
The outbreak of virus-induced infectious diseases poses a global public-health challenge. Nucleic acid amplification testing (NAAT) enables early detection of pandemic viruses and plays a vital role in preventing onward transmission. However, the requirement of skilled operators, expensive instrumentation, and biosafety laboratories has hindered the use of NAAT for screening and diagnosis of suspected patients. Here we report development of a fully automated centrifugal microfluidic system with sample-in-answer-out capability for sensitive, specific, and rapid viral nucleic acid testing. The release of nucleic acids and the subsequent reverse transcription loop-mediated isothermal amplification (RT-LAMP) were integrated into the reaction units of a microfluidic disc. The whole processing steps such as injection of reagents, fluid actuation by rotation, heating and temperature control, and detection of fluorescence signals were carried out automatically by a customized instrument. We validate the centrifugal microfluidic system using oropharyngeal swab samples spiked with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) armored RNA particles. The estimated limit of detection for armored RNA particles is 2 copies per reaction, the throughput is 21 reactions per disc, and the assay sample-to-answer time is approximately 70 min. This enclosed and automated microfluidic system efficiently avoids viral contamination of aerosol, and can be readily adapted for virus detection outside the diagnostic laboratory. Electronic Supplementary Material Supplementary material is available for this article at 10.1007/s11426-020-9800-6 and is accessible for authorized users.
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Affiliation(s)
- Fei Tian
- CAS Key Laboratory of Standardization and Measurement of Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100190 China
- University of Chinese Academy of Sciences, Beijing, 100049 China
| | - Chao Liu
- CAS Key Laboratory of Standardization and Measurement of Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100190 China
- University of Chinese Academy of Sciences, Beijing, 100049 China
| | - Jinqi Deng
- CAS Key Laboratory of Standardization and Measurement of Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100190 China
- University of Chinese Academy of Sciences, Beijing, 100049 China
| | - Ziwei Han
- CAS Key Laboratory of Standardization and Measurement of Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100190 China
- University of Chinese Academy of Sciences, Beijing, 100049 China
| | - Lu Zhang
- Department of Chemistry, Capital Normal University, Beijing, 100048 China
| | - Qinghua Chen
- CAS Key Laboratory of Standardization and Measurement of Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100190 China
| | - Jiashu Sun
- CAS Key Laboratory of Standardization and Measurement of Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100190 China
- University of Chinese Academy of Sciences, Beijing, 100049 China
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33
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Wang X, Yan C, Wang X, Zhao X, Shi C, Ma C. Integrated silica membrane–based nucleic acid purification, amplification, and visualization platform for low-cost, rapid detection of foodborne pathogens. Anal Bioanal Chem 2020; 412:6927-6938. [DOI: 10.1007/s00216-020-02823-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2020] [Revised: 07/09/2020] [Accepted: 07/15/2020] [Indexed: 12/11/2022]
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34
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Development of a direct and visual isothermal method for meat adulteration detection in low resource settings. Food Chem 2020; 319:126542. [DOI: 10.1016/j.foodchem.2020.126542] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2018] [Revised: 07/31/2019] [Accepted: 03/01/2020] [Indexed: 12/30/2022]
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35
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Wei X, Bian F, Cai X, Wang Y, Cai L, Yang J, Zhu Y, Zhao Y. Multiplexed Detection Strategy for Bladder Cancer MicroRNAs Based on Photonic Crystal Barcodes. Anal Chem 2020; 92:6121-6127. [PMID: 32227890 DOI: 10.1021/acs.analchem.0c00630] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Xiaowei Wei
- Laboratory Medicine Center, Second Affiliated Hospital of Nanjing Medical University, Nanjing, 210011, China
| | - Feika Bian
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Xiaoxiao Cai
- Laboratory Medicine Center, Second Affiliated Hospital of Nanjing Medical University, Nanjing, 210011, China
| | - Yu Wang
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Lijun Cai
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Jian Yang
- Department of Urology, Second Affiliated Hospital of Nanjing Medical University, Nanjing, 210011, China
| | - Yefei Zhu
- Laboratory Medicine Center, Second Affiliated Hospital of Nanjing Medical University, Nanjing, 210011, China
| | - Yuanjin Zhao
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
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36
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Li R, Chen J, Zhang X, Cui J, Tao S, Yang L. Mini-Disk Capillary Array Coupling with LAMP for Visual Detection of Multiple Nucleic Acids using Genetically Modified Organism Analysis as an Example. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:899-906. [PMID: 31891505 DOI: 10.1021/acs.jafc.9b06979] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Convenient, portable, and low-cost multiplex nucleic acid testing (NAT) systems are the trends in the fields of food safety, environmental microorganisms, molecular diagnosis, etc. In this study, we developed a novel system for visual monitoring of multiple nucleic acids combining a mini-disk capillary array (diameter = 17 mm, embedded with 6-10 capillaries), visual loop-mediated isothermal amplification (LAMP), and quick DNA extraction called mDC-LAMP. The performance and applicability of mDC-LAMP in testing multiple nucleic acids were evaluated and verified employing genetically modified contents analysis as an example. All of the results confirmed that mDC-LAMP has the advantages of high specificity without any cross contamination, high sensitivity with a limit of detection of 25 copies/reaction, high throughput with flexible channel sensors, easy fabrication, and low costs. We believe that mDC-LAMP is a competitive choice for on-spot monitoring of multiple nucleic acids in terms of the easy fabrication/operation, low costs, and suitable performance presented in the nucleic acids test.
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Affiliation(s)
- Rong Li
- Joint International Research Laboratory of Metabolic and Developmental Sciences, School of Life Sciences and Biotechnology , Shanghai Jiao Tong University , Shanghai 200240 , China
| | - Jianwei Chen
- Shanghai Center for Systems Biomedicine, Key Laboratory of Systems Biomedicine (Ministry of Education), State Key Laboratory of Oncogenes and Related Genes, School of Biomedical Engineering , Shanghai Jiao Tong University , Shanghai 200240 , China
| | - Xiujie Zhang
- Development Center of Science and Technology , Ministry of Agriculture of People's Republic of China , Beijing 100025 , China
| | - Jingjie Cui
- Institute of Cotton Research , Chinese Academy of Agricultural Sciences/State Key Laboratory of Cotton Biology , Anyang 455000 , Henan , China
| | - Shengce Tao
- Shanghai Center for Systems Biomedicine, Key Laboratory of Systems Biomedicine (Ministry of Education), State Key Laboratory of Oncogenes and Related Genes, School of Biomedical Engineering , Shanghai Jiao Tong University , Shanghai 200240 , China
| | - Litao Yang
- Joint International Research Laboratory of Metabolic and Developmental Sciences, School of Life Sciences and Biotechnology , Shanghai Jiao Tong University , Shanghai 200240 , China
- Institute of Cotton Research , Chinese Academy of Agricultural Sciences/State Key Laboratory of Cotton Biology , Anyang 455000 , Henan , China
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37
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Peng W, Huang Y, Zhao Q, Lian G, Chen M, Piao J, Gong X, Chang J. A fluorescent signal “removal” sensor via duplex-specific nuclease-aided cleavage for miRNA detection in flow cytometry. Colloids Surf B Biointerfaces 2020; 185:110570. [DOI: 10.1016/j.colsurfb.2019.110570] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Revised: 09/19/2019] [Accepted: 10/07/2019] [Indexed: 12/24/2022]
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38
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Zeng Y, Liu M, Xia Y, Jiang X. Uracil-DNA-glycosylase-assisted loop-mediated isothermal amplification for detection of bacteria from urine samples with reduced contamination. Analyst 2020; 145:7048-7055. [PMID: 32894274 DOI: 10.1039/d0an01001d] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Urine specimens are detected by conventional culture method and colonies with more than 104 are identified by MALDI-TOF MS. Meanwhile, we analyze urine samples using FTA cards for simple DNA extraction and UDG-assisted LAMP.
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Affiliation(s)
- Yingmin Zeng
- Department of Clinical Laboratory
- Third Affiliated Hospital of Guangzhou Medical University
- Guangzhou
- People's Republic of China
| | - Meiling Liu
- Department of Clinical Laboratory
- Third Affiliated Hospital of Guangzhou Medical University
- Guangzhou
- People's Republic of China
| | - Yong Xia
- Department of Clinical Laboratory
- Third Affiliated Hospital of Guangzhou Medical University
- Guangzhou
- People's Republic of China
| | - Xingyu Jiang
- Department of Biomedical Engineering
- Southern University of Science and Technology
- Shenzhen
- People's Republic of China
- Beijing Engineering Research Center for BioNanotechnology and CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety
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39
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Gao H, Zhang K, Teng X, Li J. Rolling circle amplification for single cell analysis and in situ sequencing. Trends Analyt Chem 2019. [DOI: 10.1016/j.trac.2019.115700] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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40
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Mou L, Hu B, Zhang J, Jiang X. A hinge-based aligner for fast, large-scale assembly of microfluidic chips. Biomed Microdevices 2019; 21:69. [PMID: 31273551 DOI: 10.1007/s10544-019-0404-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Microfluidics has shown its vitality in scientific research. But the lack of fast and straightforward approaches for aligning chip and easy-to-control on-chip valve still prevent microfluidic chips from becoming powerful commercial products. This work presents an aligner based on hinge structures, which we call a "hinge aligner", for aligning microfluidic chips. Two flat chip holders are connected by a connecting rod so that the chip holders can rotate relative to each other along the connecting rod, in the way a hinge works. The two chip holders contain pre-designed recesses for placing two chips which can align chips with 20 μm resolution. Meanwhile, with this hinge aligner, we can easily implement a fully sealed on-chip valve, which can prevent aqueous liquids from leaking even at 80 °C for 30 min. The real immunoassay result shows aligned microfluidic chips can detect protein with improved reproducibility in both high and low concentration of biomarkers.
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Affiliation(s)
- Lei Mou
- Beijing Engineering Research Center for BioNanotechnology and CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for NanoScience and Technology, No. 11 Zhongguancun Beiyitiao, Beijing, 100190, People's Republic of China.,University of Chinese Academy of Sciences, 19 A Yuquan Road, Shijingshan District, Beijing, 100049, People's Republic of China
| | - Binfeng Hu
- Beijing Engineering Research Center for BioNanotechnology and CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for NanoScience and Technology, No. 11 Zhongguancun Beiyitiao, Beijing, 100190, People's Republic of China.,University of Chinese Academy of Sciences, 19 A Yuquan Road, Shijingshan District, Beijing, 100049, People's Republic of China
| | - Jiangjiang Zhang
- Beijing Engineering Research Center for BioNanotechnology and CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for NanoScience and Technology, No. 11 Zhongguancun Beiyitiao, Beijing, 100190, People's Republic of China.,University of Chinese Academy of Sciences, 19 A Yuquan Road, Shijingshan District, Beijing, 100049, People's Republic of China
| | - Xingyu Jiang
- Beijing Engineering Research Center for BioNanotechnology and CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for NanoScience and Technology, No. 11 Zhongguancun Beiyitiao, Beijing, 100190, People's Republic of China. .,University of Chinese Academy of Sciences, 19 A Yuquan Road, Shijingshan District, Beijing, 100049, People's Republic of China. .,Department of Biomedical Engineering, Southern University of Science and Technology, No 1088, Xueyuan Rd., Xili, Nanshan District, Shenzhen, Guangdong, 518055, People's Republic of China. .,Third Affiliated Hospital of Guangzhou Medical University, 63 Duobao Road, Liwan District, Guangzhou, 510150, People's Republic of China.
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Li L, Geng Y, Xiang Y, Qiang H, Wang Y, Chang J, Zhao H, Zhang L. Instrument-free enrichment and detection of phosphopeptides using paper-based Phos-PAD. Anal Chim Acta 2019; 1062:102-109. [DOI: 10.1016/j.aca.2019.02.019] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2019] [Accepted: 02/05/2019] [Indexed: 01/24/2023]
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Ji J, Lu W, Zhu Y, Jin H, Yao Y, Zhang H, Zhao Y. Porous Hydrogel-Encapsulated Photonic Barcodes for Multiplex Detection of Cardiovascular Biomarkers. ACS Sens 2019; 4:1384-1390. [PMID: 30985109 DOI: 10.1021/acssensors.9b00352] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Early detection of cardiac troponin I (cTnI), B-type natriuretic peptide (BNP), and myoglobin (Myo) is essential for the diagnosis of acute myocardial infarction (AMI) and heart failure (HF). We designed a porous hydrogel-encapsulated photonic crystal (PhC) barcode-based suspension array for multiple cardiovascular marker detection. The hybrid hydrogel was composed of polyethylene glycol diacrylate (PEGDA) and gelatin, resulting in a porous and hydrophilic scaffold which ensured stability of the PhC in aqueous solutions. The encapsulated PhC barcodes had stable diffraction peaks for the corresponding markers. Using a sandwich format, the proposed suspension array was used for simultaneous multiplex detection of cardiovascular biomarkers in a single tube. The immunoassay results we tested on cTnI, BNP, and Myo could be assayed in the ranges of 0.01 to 1000 ng/mL, 0.1 to 10 000 pg/mL, and 1 to 10 000 ng/mL with limits of detection of 0.009 ng/mL, 0.084 pg/mL, and 0.68 ng/mL at 3σ, respectively. This method also showed acceptable accuracy and repeated detection, and the results were consistent with the results of conventional clinical methods for detecting actual clinical samples. Therefore, suspension arrays based on hydrogel-encapsulated PhC barcodes are highly promising for AMI diagnosis.
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Affiliation(s)
- JingJing Ji
- Department of Cardiology, Zhongda Hospital Affiliated with Southeast University, Nanjing, Jiangsu 210009, China
| | - Wenbin Lu
- Department of Cardiology, Zhongda Hospital Affiliated with Southeast University, Nanjing, Jiangsu 210009, China
| | - Yi Zhu
- Department of Cardiology, Zhongda Hospital Affiliated with Southeast University, Nanjing, Jiangsu 210009, China
| | - Hong Jin
- Department of Cardiology, Zhongda Hospital Affiliated with Southeast University, Nanjing, Jiangsu 210009, China
| | - Yuyu Yao
- Department of Cardiology, Zhongda Hospital Affiliated with Southeast University, Nanjing, Jiangsu 210009, China
| | - Huidan Zhang
- School of Engineering and Applied Sciences and Department of Physics, Harvard University, Cambridge, Massachusetts 02138, United States
| | - Yuanjin Zhao
- Department of Cardiology, Zhongda Hospital Affiliated with Southeast University, Nanjing, Jiangsu 210009, China
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, Jiangsu 210096, China
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Dong J, Xu Q, Li CC, Zhang CY. Single-color multiplexing by the integration of high-resolution melting pattern recognition with loop-mediated isothermal amplification. Chem Commun (Camb) 2019; 55:2457-2460. [PMID: 30734782 DOI: 10.1039/c8cc09741k] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
We develop a single-color multiplexing strategy by the integration of high-resolution melting pattern recognition with loop-mediated isothermal amplification (LAMP). This strategy can identify multiple amplicons with a small DNA melting temperature (Tm) difference (∼0.2 °C) without the involvement of either multicolor labels or parallelized multiplexing, and it can sensitively detect LAMP amplicons with the initial DNA concentrations ranging from 10 to 108 copies.
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Affiliation(s)
- Jing Dong
- School of Food and Biological Engineering, National R&D Center for Goat Dairy Products Processing Technology, Shaanxi University of Science and Technology, Xi'an, 710021, China.
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Zhang H, Xu Y, Fohlerova Z, Chang H, Iliescu C, Neuzil P. LAMP-on-a-chip: Revising microfluidic platforms for loop-mediated DNA amplification. Trends Analyt Chem 2019; 113:44-53. [PMID: 32287531 PMCID: PMC7112807 DOI: 10.1016/j.trac.2019.01.015] [Citation(s) in RCA: 126] [Impact Index Per Article: 25.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Nucleic acid amplification for the detection of infectious diseases, food pathogens, or assessment of genetic disorders require a laboratory setting with specialized equipment and technical expertise. Isothermal deoxyribonucleic acid amplification methods, such as loop-mediated isothermal amplification (LAMP), exhibit characteristics ideal for point-of-care (POC) applications, since their instrumentation is simpler in comparison with the standard method of polymerase chain reaction. Other key advantages of LAMP are robustness and the production of pyrophosphate in the presence of the target gene, enabling to detect the reaction products using the naked eye. Polymerase inhibitors, presented in clinical samples, do not affect the amplification process, making LAMP suitable for a simple sample-to-answer diagnostic systems with simplified sample preparation. In this review, we discuss the trends in miniaturized LAMP techniques, such as microfluidic, paper-based, and digital with their advantages and disadvantages, especially for POC applications alongside our opinion of the future development of miniaturized LAMP. Introduction of loop mediated isothermal amplification (LAMP) and its principle. Classical microfluidics-based LAMP for DNA/RNA detection. Paper-based LAMP. Microfluidic-based digital LAMP. Future of microfluidic LAMP development.
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Affiliation(s)
- Haoqing Zhang
- Northwestern Polytechnical University, School of Mechanical Engineering, Department of Microsystem Engineering, 127 West Youyi Road, Xi'an, Shaanxi, 710072, PR China
| | - Ying Xu
- Northwestern Polytechnical University, School of Mechanical Engineering, Department of Microsystem Engineering, 127 West Youyi Road, Xi'an, Shaanxi, 710072, PR China
| | - Zdenka Fohlerova
- Central European Institute of Technology, Brno University of Technology, Purkyňova 123, 61300 Brno, Czech Republic.,Faculty of Electrical Engineering, Brno University of Technology, Technická 3058/10, 61600 Brno, Czech Republic
| | - Honglong Chang
- Northwestern Polytechnical University, School of Mechanical Engineering, Department of Microsystem Engineering, 127 West Youyi Road, Xi'an, Shaanxi, 710072, PR China
| | - Ciprian Iliescu
- Biomedical Institute for Global Health Research and Technology (BIGHEART), National University of Singapore, MD6, 14 Medical Drive #14-01, 117599, Singapore
| | - Pavel Neuzil
- Northwestern Polytechnical University, School of Mechanical Engineering, Department of Microsystem Engineering, 127 West Youyi Road, Xi'an, Shaanxi, 710072, PR China.,Central European Institute of Technology, Brno University of Technology, Purkyňova 123, 61300 Brno, Czech Republic
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Abstract
Barcoded bioassays are ready to promote bioanalysis and biomedicine toward the point of care.
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Affiliation(s)
- Mingzhu Yang
- Beijing Engineering Research Center for BioNanotechnology
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety
- CAS Center for Excellence in Nanoscience
- National Center for NanoScience and Technology
- Beijing
| | - Yong Liu
- Beijing Engineering Research Center for BioNanotechnology
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety
- CAS Center for Excellence in Nanoscience
- National Center for NanoScience and Technology
- Beijing
| | - Xingyu Jiang
- Beijing Engineering Research Center for BioNanotechnology
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety
- CAS Center for Excellence in Nanoscience
- National Center for NanoScience and Technology
- Beijing
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46
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Shang Y, Sun J, Ye Y, Zhang J, Zhang Y, Sun X. Loop-mediated isothermal amplification-based microfluidic chip for pathogen detection. Crit Rev Food Sci Nutr 2018; 60:201-224. [DOI: 10.1080/10408398.2018.1518897] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Yuting Shang
- State Key Laboratory of Food Science and Technology School of Food Science National Engineering Research Center for Functional Foods, Synergetic Innovation Center of Food Safety, Joint International Research Laboratory on Food Safety, Jiangnan University, Wuxi, Jiangsu, China
| | - Jiadi Sun
- State Key Laboratory of Food Science and Technology School of Food Science National Engineering Research Center for Functional Foods, Synergetic Innovation Center of Food Safety, Joint International Research Laboratory on Food Safety, Jiangnan University, Wuxi, Jiangsu, China
| | - Yongli Ye
- State Key Laboratory of Food Science and Technology School of Food Science National Engineering Research Center for Functional Foods, Synergetic Innovation Center of Food Safety, Joint International Research Laboratory on Food Safety, Jiangnan University, Wuxi, Jiangsu, China
| | - Jumei Zhang
- Guangdong Institute of Microbiology, State Key Laboratory of Applied Microbiology Southern China Guangdong Provincial Key Laboratory of Microbiology Culture Collection and Application Guangdong Open Laboratory of Applied Microbiology, Guangzhou, China
| | - Yinzhi Zhang
- State Key Laboratory of Food Science and Technology School of Food Science National Engineering Research Center for Functional Foods, Synergetic Innovation Center of Food Safety, Joint International Research Laboratory on Food Safety, Jiangnan University, Wuxi, Jiangsu, China
| | - Xiulan Sun
- State Key Laboratory of Food Science and Technology School of Food Science National Engineering Research Center for Functional Foods, Synergetic Innovation Center of Food Safety, Joint International Research Laboratory on Food Safety, Jiangnan University, Wuxi, Jiangsu, China
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Yuan H, Chao Y, Li S, Tang MYH, Huang Y, Che Y, Wong AST, Zhang T, Shum HC. Picoinjection-Enabled Multitarget Loop-Mediated Isothermal Amplification for Detection of Foodborne Pathogens. Anal Chem 2018; 90:13173-13177. [PMID: 30354065 DOI: 10.1021/acs.analchem.8b03673] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
In this study, we develop a method to detect multiple DNAs of foodborne pathogens by encapsulating emulsion droplets for loop-mediated isothermal amplification (LAMP). In contrast to the traditional bulk-phase LAMP, which involves a labor-intensive mixing process, with our method, different primers are automatically mixed with DNA samples and LAMP buffers after picoinjection. By directly observing and analyzing the fluorescence intensity of the resultant droplets, one can detect DNA from different pathogens, with a detection limit 500 times lower than that obtained by bulk-phase LAMP. We further demonstrate the ability to quantify bacteria concentration by detecting bacterial DNA in practical samples, showing great potential in monitoring water resources and their contamination by pathogenic bacteria.
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Affiliation(s)
- Hao Yuan
- HKU-Shenzhen Institute of Research and Innovation (HKU-SIRI) , Shenzhen , Guangdong 518057 , China.,Department of Mechanical Engineering , The University of Hong Kong , Pokfulam Road , Hong Kong SAR , China
| | - Youchuang Chao
- HKU-Shenzhen Institute of Research and Innovation (HKU-SIRI) , Shenzhen , Guangdong 518057 , China.,Department of Mechanical Engineering , The University of Hong Kong , Pokfulam Road , Hong Kong SAR , China
| | - ShanShan Li
- School of Biological Sciences , The University of Hong Kong , Pokfulam Road , Hong Kong SAR , China
| | - Matthew Y H Tang
- HKU-Shenzhen Institute of Research and Innovation (HKU-SIRI) , Shenzhen , Guangdong 518057 , China.,Department of Mechanical Engineering , The University of Hong Kong , Pokfulam Road , Hong Kong SAR , China
| | - Yue Huang
- Centre for Environmental Engineering Research, Department of Civil Engineering , The University of Hong Kong , Pokfulam Road , Hong Kong SAR , China
| | - You Che
- Centre for Environmental Engineering Research, Department of Civil Engineering , The University of Hong Kong , Pokfulam Road , Hong Kong SAR , China
| | - Alice S T Wong
- School of Biological Sciences , The University of Hong Kong , Pokfulam Road , Hong Kong SAR , China
| | - Tong Zhang
- Centre for Environmental Engineering Research, Department of Civil Engineering , The University of Hong Kong , Pokfulam Road , Hong Kong SAR , China
| | - Ho Cheung Shum
- HKU-Shenzhen Institute of Research and Innovation (HKU-SIRI) , Shenzhen , Guangdong 518057 , China.,Department of Mechanical Engineering , The University of Hong Kong , Pokfulam Road , Hong Kong SAR , China
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48
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Warden AR, Liu W, Chen H, Ding X. Portable Infrared Isothermal PCR Platform for Multiple Sexually Transmitted Diseases Strand Detection. Anal Chem 2018; 90:11760-11763. [PMID: 30216046 DOI: 10.1021/acs.analchem.8b03507] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Rapid and portable PCR detection is essential for screening sexually transmitted infections regularly. We developed an infrared mediated RNA isothermal RT-PCR (IR-MERIT PCR) platform and its compatible multichamber microfluidic chip for simultaneous amplification and testing (SAT) detection. This microfluidic chip integrates RNA extraction, micropump, and multitarget detection function onto the same chip. By utilizing IR-light-emitting diode (LED) as heat source, this platform can fulfill isothermal amplification within 70 min.
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Affiliation(s)
- Antony R Warden
- State Key Laboratory of Oncogenes and Related Genes, Institute for Personalized Medicine, School of Biomedical Engineering , Shanghai Jiao Tong University , Shanghai 200030 , China
| | - Wenjia Liu
- State Key Laboratory of Oncogenes and Related Genes, Institute for Personalized Medicine, School of Biomedical Engineering , Shanghai Jiao Tong University , Shanghai 200030 , China
| | - Huixing Chen
- Department of Andrology and PFD, Center for Men's Health and Department of ART, Institute of Urology, Urologic Medical Center, Shanghai General Hospital, Shanghai Key Lab of Reproductive Medicine , Shanghai Jiao Tong University , Shanghai 200080 , China
| | - Xianting Ding
- State Key Laboratory of Oncogenes and Related Genes, Institute for Personalized Medicine, School of Biomedical Engineering , Shanghai Jiao Tong University , Shanghai 200030 , China
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Hui J, Gu Y, Zhu Y, Chen Y, Guo SJ, Tao SC, Zhang Y, Liu P. Multiplex sample-to-answer detection of bacteria using a pipette-actuated capillary array comb with integrated DNA extraction, isothermal amplification, and smartphone detection. LAB ON A CHIP 2018; 18:2854-2864. [PMID: 30105321 DOI: 10.1039/c8lc00543e] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
A pipette-actuated capillary array comb (PAAC) system operated on a smartphone-based hand-held device has been successfully developed for the multiplex detection of bacteria in a "sample-to-answer" manner. The PAAC consists of eight open capillaries inserted into a cylindrical plastic base with a piece of chitosan-modified glass filter paper embedded in each capillary. During the sample preparation, a PAAC was mounted into a 1 mL pipette tip with an enlarged opening and was operated with a 1 mL pipette for liquid handling. The cell lysate was drawn and expelled through the capillaries three times to facilitate the DNA capture on the embedded filter discs. Following washes with water, the loop-mediated isothermal amplification (LAMP) reagents were aspirated into the capillaries, in which the primers were pre-fixed with chitosan. After that, the PAAC was loaded into the smartphone-based device for a one-hour amplification at 65 °C and end-point detection of calcein fluorescence in the capillaries. The DNA capture efficiency of a 1.1 mm-diameter filter disc was determined to be 97% of λ-DNA and the coefficient of variation among the eight capillaries in the PAAC was only 2.2%. The multiplex detection of genomic DNA extracted from Escherichia coli, Klebsiella pneumoniae, and Staphylococcus aureus provided limits of detection of 200, 500, and 500 copies, respectively, without any cross-contamination and cross reactions. "Sample-to-answer" detection of E. coli samples was successfully completed in 85 minutes, demonstrating a sensitivity of 200 cfu per capillary. The multiplex "sample-to-answer" detection, the streamlined operation, and the compact device should facilitate a broad range of applications of our PAAC system in point-of-care testing.
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Affiliation(s)
- Junhou Hui
- Department of Biomedical Engineering, School of Medicine, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Tsinghua University, Beijing, 100084, China.
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50
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Trinh TND, Lee NY. A rapid and eco-friendly isothermal amplification microdevice for multiplex detection of foodborne pathogens. LAB ON A CHIP 2018; 18:2369-2377. [PMID: 29923578 DOI: 10.1039/c8lc00424b] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
In this study, a plastic microdevice based on loop-mediated isothermal amplification (LAMP) was fabricated for the amplification and on-chip fluorescence detection of multiple pathogens. Papers infused with LAMP reagents and specific primers were embedded inside the multiple reaction chambers of the microdevice. A solution containing the target pathogens was injected into the sample chamber, located in the center of the microdevice, and evenly distributed to the reaction chambers simultaneously via centrifugal force. For detection, fisetin, a plant-derived fluorophore, was used as the DNA-intercalating dye. Purified DNAs of Escherichia coli O157:H7 (E. coli O157:H7), Salmonella spp., Staphylococcus aureus (S. aureus), and Cochlodinium polykrikoides were successfully amplified and directly detected on the microdevice, where as low as 0.13 and 0.12 ng μL-1 of the DNA of E. coli O157:H7 and S. aureus, respectively, were identified. In addition, the potential of this microdevice for point-of-care testing was further examined by incorporating on-chip sample purification module and testing using a real sample - milk spiked with Salmonella spp. The thermally lysed milk sample was filtered using polydopamine-coated paper embedded inside a sample chamber and seamlessly transported into the reaction chambers by centrifugal force for subsequent LAMP followed by direct on-chip detection inside the reaction chambers in which fisetin-soaked papers were embedded. The limit of detection for Salmonella spp. was determined to be approximately 1.7 × 102 CFU mL-1 using the microdevice. This microdevice is safe, easy to use, selective, and sensitive enough for point-of-care testing to identify foodborne pathogens as well as environmentally harmful microorganisms.
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Affiliation(s)
- Thi Ngoc Diep Trinh
- Department of BioNano Technology, Gachon University, 1342 Seongnam-daero, Sujeong-gu, Seongnam-si, Gyeonggi-do 13120, Korea.
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