1
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Bartkova S, Zapotoczna M, Sanka I, Scheler O. A Guide to Biodetection in Droplets. Anal Chem 2024; 96:9745-9755. [PMID: 38842026 PMCID: PMC11190884 DOI: 10.1021/acs.analchem.3c04282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 05/21/2024] [Accepted: 05/22/2024] [Indexed: 06/07/2024]
Abstract
Droplet-based methods for optical biodetection enable unprecedented high-throughput experimental parameters. The methods, however, remain underused due to the accompanying multidisciplinary and complicated experimental workflows. Here, we provide a tutorial for droplet-based optical biodetection workflows with a focus on the key aspect of label selection. By discussing and guiding readers through recent state-of-the-art studies, we aim to make droplet-based approaches more accessible to the general scientific public.
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Affiliation(s)
- Simona Bartkova
- Department of Chemistry and Biotechnology, Tallinn University of Technology (TalTech), Akadeemia tee 15, Tallinn 12618, Estonia
| | - Marta Zapotoczna
- Faculty of Biology, Biological and Chemical Research Centre, University of Warsaw, Żwirki i Wigury 101, 02-089 Warsaw, Poland
| | - Immanuel Sanka
- Department of Chemistry and Biotechnology, Tallinn University of Technology (TalTech), Akadeemia tee 15, Tallinn 12618, Estonia
| | - Ott Scheler
- Department of Chemistry and Biotechnology, Tallinn University of Technology (TalTech), Akadeemia tee 15, Tallinn 12618, Estonia
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2
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Dong Y, Chen B, Cai G, Xu F, Li L, Cheng X, Shi X, Peng B, Mi S. Integrated nucleic acid purification technology based on amino-modified centrifugal microfluidic chip. Biotechnol J 2024; 19:e2300113. [PMID: 38050772 DOI: 10.1002/biot.202300113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 11/27/2023] [Accepted: 12/01/2023] [Indexed: 12/06/2023]
Abstract
Nucleic acid detection is an important tool for clinical diagnosis. The purification of the sample is the most time-consuming step in the nucleic acid testing process and will affect the results of the assay. Here, we developed a surface modification-based nucleic acid purification method and designed an accompanying set of centrifugation equipment and chips to integrate the steps of nucleic acid purification on a single platform. The results of experiments with HeLa cells and HPV type 16 as samples showed that the mentioned method had good nucleic acid purification capability and the accompanying equipment greatly simplified the operation of the experimenters in the whole process. Overall, our equipment can improve the efficiency of nucleic acid purification and is suitable for application in larger-scale clinical assays.
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Affiliation(s)
- Yongkang Dong
- Bio-manufacturing Engineering Laboratory, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, China
| | - Bailiang Chen
- Bio-manufacturing Engineering Laboratory, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, China
| | - Gangpei Cai
- Bio-manufacturing Engineering Laboratory, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, China
| | - Fei Xu
- Bio-manufacturing Engineering Laboratory, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, China
| | - Linzhi Li
- Bio-manufacturing Engineering Laboratory, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, China
| | - Xiaoqi Cheng
- Bio-manufacturing Engineering Laboratory, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, China
| | - Xiaolu Shi
- Microbiology Laboratory, Shenzhen Center for Disease Control and Prevention, Shenzhen, Guangdong, China
| | - Bo Peng
- Microbiology Laboratory, Shenzhen Center for Disease Control and Prevention, Shenzhen, Guangdong, China
| | - Shengli Mi
- Bio-manufacturing Engineering Laboratory, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, China
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3
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Cai G, Yang Z, Chen YC, Huang Y, Liang L, Feng S, Zhao J. Magnetic Bead Manipulation in Microfluidic Chips for Biological Application. CYBORG AND BIONIC SYSTEMS 2023; 4:0023. [PMID: 37287460 PMCID: PMC10243203 DOI: 10.34133/cbsystems.0023] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2022] [Accepted: 03/20/2023] [Indexed: 10/21/2023] Open
Abstract
Magnetic beads manipulation in microfluidic chips is a promising research field for biological application, especially in the detection of biological targets. In this review, we intend to present a thorough and in-depth overview of recent magnetic beads manipulation in microfluidic chips and its biological application. First, we introduce the mechanism of magnetic manipulation in microfluidic chip, including force analysis, particle properties, and surface modification. Then, we compare some existing methods of magnetic manipulation in microfluidic chip and list their biological application. Besides, the suggestions and outlook for future developments in the magnetic manipulation system are also discussed and summarized.
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Affiliation(s)
- Gaozhe Cai
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology,
Chinese Academy of Sciences, Shanghai 200050, China
| | - Zixin Yang
- School of Communication and Information Engineering,
Shanghai University, Shanghai 200444, China
| | - Yu-Cheng Chen
- School of Electrical and Electronics Engineering,
Nanyang Technological University, 50 Nanyang Ave., Singapore 639798, Singapore
| | - Yaru Huang
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology,
Chinese Academy of Sciences, Shanghai 200050, China
- School of Life Sciences,
Shanghai Normal University, Shanghai, 200235, China
| | - Lijuan Liang
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology,
Chinese Academy of Sciences, Shanghai 200050, China
| | - Shilun Feng
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology,
Chinese Academy of Sciences, Shanghai 200050, China
- Center of Materials Science and Optoelectronics Engineering,
University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jianlong Zhao
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology,
Chinese Academy of Sciences, Shanghai 200050, China
- Center of Materials Science and Optoelectronics Engineering,
University of Chinese Academy of Sciences, Beijing 100049, China
- Xiangfu Laboratory, Jiaxing, Zhejiang 314102, China
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4
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Yuan H, Chen P, Wan C, Li Y, Liu BF. Merging microfluidics with luminescence immunoassays for urgent point-of-care diagnostics of COVID-19. Trends Analyt Chem 2022; 157:116814. [PMCID: PMC9637550 DOI: 10.1016/j.trac.2022.116814] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 10/29/2022] [Accepted: 10/30/2022] [Indexed: 11/09/2022]
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5
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Huang E, Huang D, Wang Y, Cai D, Luo Y, Zhong Z, Liu D. Active droplet-array microfluidics-based chemiluminescence immunoassay for point-of-care detection of procalcitonin. Biosens Bioelectron 2022; 195:113684. [PMID: 34607116 DOI: 10.1016/j.bios.2021.113684] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Revised: 09/27/2021] [Accepted: 09/28/2021] [Indexed: 12/11/2022]
Abstract
The application of conventional chemiluminescence immunoassay (CLIA) in resource-limited settings is limited due to the large apparatus footprint, cumbersome operation and maintenance process, and high consumption of reagents. To address this issue, we developed an active droplet-array (ADA) microfluidics-based CLIA system, which consists of a compact microchip analyzer and microfluidic chips with preloaded reagents. The microfluidic chip contains microslit-connected microchambers, in which all the required reagents were preloaded in water-in-oil droplets. The microfluidic chip analyzer can manipulate five microfluidic chips in parallel in a single run. By interacting the microchip with magnetic, thermal, optical mechanisms programmatically, the entire workflow of CLIA can be accomplished in an automated manner. With the proposed CLIA, the detection of procalcitonin (PCT) can be completed in 12 min, with a limit of detection (LOD) of 0.044 ng mL-1 and a detection range from 0.044 to 100 ng mL-1. We found a good linear correlation between the microfluidic CLIA and the conventional electrochemiluminescence immunoassay (R2=0.98).The microfluidic CLIA has significant advantages over the conventional ELISA in detection sensitivity, dynamic range, instrument size and turnaround time, and can provide more consistent and reliable results than the lateral flow immunoassays. The compact microfluidic system can perform automated and parallelized CLIA in a short turnaround time, and thus well suited to Point-of-Care detection of disease biomarkers.
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Affiliation(s)
- Enqi Huang
- School of Medicine, South China University of Technology, Guangzhou, 510006, China
| | - Dezhi Huang
- School of Medicine, South China University of Technology, Guangzhou, 510006, China
| | - Yu Wang
- School of Medicine, South China University of Technology, Guangzhou, 510006, China
| | - Dongyang Cai
- School of Medicine, South China University of Technology, Guangzhou, 510006, China
| | - Yanzhang Luo
- School of Medicine, South China University of Technology, Guangzhou, 510006, China
| | - Zhimin Zhong
- Department of Laboratory Medicine, Guangzhou First People's Hospital, South China University of Technology, Guangzhou, 510180, China
| | - Dayu Liu
- School of Medicine, South China University of Technology, Guangzhou, 510006, China; Department of Laboratory Medicine, Guangzhou First People's Hospital, South China University of Technology, Guangzhou, 510180, China; Guangdong Engineering Technology Research Center of Microfluidic Chip Medical Diagnosis, Guangzhou, 510180, China.
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6
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Zhao X, Ou G, Lei M, Zhang Y, Li L, Ge A, Wang Y, Li Y, Liu BF. Rapid generation of hybrid biochemical/mechanical cues in heterogeneous droplets for high-throughput screening of cellular responses. LAB ON A CHIP 2021; 21:2691-2701. [PMID: 34165109 DOI: 10.1039/d1lc00209k] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/15/2023]
Abstract
Cells in their native microenvironment are subjected to varying combinations of biochemical cues and mechanical cues in a wide range. Although many signaling pathways have been found to be responsive for extracellular cues, little is known about how biochemical cues crosstalk with mechanical cues in a complex microenvironment. Here, we introduced heterogeneous droplets on a microchip, which were rapidly assembled by combining wettability-patterned microchip and programmed droplet manipulations, for a high-throughput cell screening of the varying combinations of biochemical cues and mechanical cues. This platform constructed a heterogeneous droplet/microgel array with orthogonal gradual chemicals and materials, which was further applied to analyze the cellular Wnt/β-catenin signaling in response to varying combinations of Wnt ligands and substrate stiffness. Thus, this device provides a powerful multiplexed bioassay platform for drug development, tissue engineering, and stem cell screening.
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Affiliation(s)
- Xing Zhao
- The Key Laboratory for Biomedical Photonics of MOE at Wuhan National Laboratory for Optoelectronics - Hubei Bioinformatics & Molecular Imaging Key Laboratory, Systems Biology Theme, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China.
| | - Gaozhi Ou
- School of Sports, China University of Geosciences, Wuhan, 430074, China
| | - Mengcheng Lei
- The Key Laboratory for Biomedical Photonics of MOE at Wuhan National Laboratory for Optoelectronics - Hubei Bioinformatics & Molecular Imaging Key Laboratory, Systems Biology Theme, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China.
| | - Yang Zhang
- School of Public Health (Shenzhen), Sun Yat-sen University, Shenzhen, 518100, China
| | - Lina Li
- The Key Laboratory for Biomedical Photonics of MOE at Wuhan National Laboratory for Optoelectronics - Hubei Bioinformatics & Molecular Imaging Key Laboratory, Systems Biology Theme, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China.
| | - Anle Ge
- The Key Laboratory for Biomedical Photonics of MOE at Wuhan National Laboratory for Optoelectronics - Hubei Bioinformatics & Molecular Imaging Key Laboratory, Systems Biology Theme, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China.
| | - Yachao Wang
- The Key Laboratory for Biomedical Photonics of MOE at Wuhan National Laboratory for Optoelectronics - Hubei Bioinformatics & Molecular Imaging Key Laboratory, Systems Biology Theme, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China.
| | - Yiwei Li
- The Key Laboratory for Biomedical Photonics of MOE at Wuhan National Laboratory for Optoelectronics - Hubei Bioinformatics & Molecular Imaging Key Laboratory, Systems Biology Theme, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China.
| | - Bi-Feng Liu
- The Key Laboratory for Biomedical Photonics of MOE at Wuhan National Laboratory for Optoelectronics - Hubei Bioinformatics & Molecular Imaging Key Laboratory, Systems Biology Theme, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China.
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7
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Shu B, Lin L, Wu B, Huang E, Wang Y, Li Z, He H, Lei X, Xu B, Liu D. A pocket-sized device automates multiplexed point-of-care RNA testing for rapid screening of infectious pathogens. Biosens Bioelectron 2021; 181:113145. [PMID: 33752027 DOI: 10.1016/j.bios.2021.113145] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Revised: 01/13/2021] [Accepted: 03/01/2021] [Indexed: 01/03/2023]
Abstract
Rapid screening of infectious pathogens at the point-of-care (POC) is ideally low-cost, portable, easy to use, and capable of multiplex detection with high sensitivity. However, satisfying all these features in a single device without compromise remains a challenging task. Here, we introduce an ultraportable, automated RNA amplification testing device that allows rapid screening of infectious pathogens from clinical samples. In this device, 3D-printed structural parts incorporated with off-the-shelf mechanic/electronic components are utilized to create an inexpensive and automated droplet manipulation platform. On this platform, a simple configuration that couples a linear displacement of the chip with a tunable magnet array allows parallel and versatile droplet operations, including mixing, splitting, transporting, and merging. By exploiting a multi-channel droplet array chip to preload necessary reagents in "water-in-oil" format, bacteria lysis, RNA extraction and amplification are seamlessly integrated and implemented by the combination of droplet operations. Furthermore, visual readout and geometrically-multiplexed quantitative detection are provided by an integrated wireless video camera-enabled wide-field fluorescence imaging. We demonstrated that this droplet-based device could have a shorter RNA extraction time (12 min) and lower detection limits for pathogenic RNA (approaching to 102 copies per reaction). We also verified its clinical applicability for the rapid screening of four sexually transmitted pathogens from urine specimens. Results show that the sample-to-answer assay could be completed in approximately 42 min, with 100% concordance with the laboratory-based molecular testing. The exhibiting features may render this microdevice an easily accessible POC molecular diagnostic platform for infectious disease, especially in resource-limited settings.
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Affiliation(s)
- Bowen Shu
- Department of Laboratory Medicine, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, 510180, China; Clinical Molecular Medicine and Molecular Diagnosis Key Laboratory of Guangdong Province, Guangzhou, 510180, China; Guangdong Engineering Technology Research Center of Microfluidic Chip Medical Diagnosis, Guangzhou, 510180, China
| | - Ling Lin
- Department of Laboratory Medicine, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, 510180, China
| | - Bin Wu
- Department of Laboratory Medicine, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, 510180, China; Clinical Molecular Medicine and Molecular Diagnosis Key Laboratory of Guangdong Province, Guangzhou, 510180, China; Guangdong Engineering Technology Research Center of Microfluidic Chip Medical Diagnosis, Guangzhou, 510180, China
| | - Enqi Huang
- Department of Laboratory Medicine, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou, 510180, China
| | - Yu Wang
- Department of Laboratory Medicine, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, 510180, China; Clinical Molecular Medicine and Molecular Diagnosis Key Laboratory of Guangdong Province, Guangzhou, 510180, China; Guangdong Engineering Technology Research Center of Microfluidic Chip Medical Diagnosis, Guangzhou, 510180, China
| | - Zhujun Li
- Department of Laboratory Medicine, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou, 510180, China
| | - Haoyan He
- Department of Laboratory Medicine, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou, 510180, China
| | - Xiuxia Lei
- Department of Laboratory Medicine, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, 510180, China; Clinical Molecular Medicine and Molecular Diagnosis Key Laboratory of Guangdong Province, Guangzhou, 510180, China
| | - Banglao Xu
- Department of Laboratory Medicine, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, 510180, China; Department of Laboratory Medicine, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou, 510180, China; Clinical Molecular Medicine and Molecular Diagnosis Key Laboratory of Guangdong Province, Guangzhou, 510180, China.
| | - Dayu Liu
- Department of Laboratory Medicine, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, 510180, China; Department of Laboratory Medicine, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou, 510180, China; Clinical Molecular Medicine and Molecular Diagnosis Key Laboratory of Guangdong Province, Guangzhou, 510180, China; Guangdong Engineering Technology Research Center of Microfluidic Chip Medical Diagnosis, Guangzhou, 510180, China.
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8
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Fan Z, Liu H, Xue Y, Lin J, Fu Y, Xia Z, Pan D, Zhang J, Qiao K, Zhang Z, Liao Y. Reversing cold tumors to hot: An immunoadjuvant-functionalized metal-organic framework for multimodal imaging-guided synergistic photo-immunotherapy. Bioact Mater 2021; 6:312-325. [PMID: 32954050 PMCID: PMC7475520 DOI: 10.1016/j.bioactmat.2020.08.005] [Citation(s) in RCA: 69] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 08/06/2020] [Accepted: 08/06/2020] [Indexed: 12/11/2022] Open
Abstract
Immunotherapy assays using immunoadjuvants and tumor antigens could greatly increase the survival rates of patients with malignant tumors. As effective carriers, metal-organic frameworks (MOFs) have been widely utilized in cancer therapy due to their remarkable histocompatibility and low toxicity. Herein, we constructed a multimodal imaging-guided synergistic cancer photoimmunotherapy by employing a specific MOF (MIL101-NH2) as the core carrier; the MOF was dual-dressed with photoacoustic and fluorescent signal donors (indocyanine green, ICG) and immune adjuvants (cytosine-phosphate-guanine sequence, CpG) and named ICG-CpG@MOF. This nanocarrier could passively target the tumor site through the EPR effect and achieve multimodal imaging (fluorescence, photoacoustic, photothermal and magnetic resonance imaging) of the tumor. Synergistic cancer photoimmunotherapy was achieved via simultaneous photodynamic and photothermal methods with 808 nm laser irradiation. ICG-CpG@MOF achieved the GSH-controlled release of immunoadjuvant into the tumor microenvironment. Furthermore, the released tumor-associated antigen along with CpG could induce the transformation of tumor cells from cold to hot by activating the immune system, which significantly enhanced tumor cytotoxicity and achieved high cure rates with minimal side-effects. This strategy utilizing multimodal imaging and synergistic cancer photoimmunotherapy provides a promising approach for the diagnosis and treatment of cancer.
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Affiliation(s)
- Zhijin Fan
- Molecular Diagnosis and Treatment Center for Infectious Diseases, Dermatology Hospital, Southern Medical University, Guangzhou, 510091, China
| | - Hongxing Liu
- Department of Urology, Guangzhou Institute of Urology, Guangdong Key Laboratory of Urology, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, Guangdong, 510230, China
| | - Yaohua Xue
- Molecular Diagnosis and Treatment Center for Infectious Diseases, Dermatology Hospital, Southern Medical University, Guangzhou, 510091, China
| | - Jingyan Lin
- Department of Thoracic Surgery, Shenzhen Third People's Hospital, Shenzhen, 518110, China
| | - Yu Fu
- Department of Thoracic Surgery, Shenzhen Third People's Hospital, Shenzhen, 518110, China
| | - Zhaohua Xia
- Department of Thoracic Surgery, Shenzhen Third People's Hospital, Shenzhen, 518110, China
| | - Dongming Pan
- Department of Thoracic Surgery, Shenzhen Third People's Hospital, Shenzhen, 518110, China
| | - Jian Zhang
- Department of Biomedical Engineering, School of Basic Medical Science, Guangzhou Medical University, Guangzhou, 511436, China
| | - Kun Qiao
- Department of Thoracic Surgery, Shenzhen Third People's Hospital, Shenzhen, 518110, China
| | - Zhenzhen Zhang
- Institute for Brain Research and Rehabilitation, South China Normal University, Guangzhou, 510631, China
| | - Yuhui Liao
- Molecular Diagnosis and Treatment Center for Infectious Diseases, Dermatology Hospital, Southern Medical University, Guangzhou, 510091, China
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9
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Magnet-actuated droplet microfluidic immunosensor coupled with gel imager for detection of microcystin-LR in aquatic products. Talanta 2020; 219:121329. [DOI: 10.1016/j.talanta.2020.121329] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2020] [Revised: 05/10/2020] [Accepted: 06/23/2020] [Indexed: 12/19/2022]
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10
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Guan T, He J, Liu D, Liang Z, Shu B, Chen Y, Liu Y, Shen X, Li X, Sun Y, Lei H. Open Surface Droplet Microfluidic Magnetosensor for Microcystin-LR Monitoring in Reservoir. Anal Chem 2020; 92:3409-3416. [PMID: 31948225 DOI: 10.1021/acs.analchem.9b05516] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Establishing rapid, simple, and in situ detection of microcystin-LR (MC-LR) in drinking water sources is of significant importance for human health. To ease the situation that current methods cannot address, an open surface droplet microfluidic magnetosensor was designed and validated to quantify MC-LR in reservoir water, which is capable of (1) MC-LR isolation via MC-LR antibody-conjugated magnetic beads, (2) parallel and multistep analytical procedures in 15-array power-free and reusable active droplet microfluidic chips, (3) immunoassay incubation and fluorescence excitation within a miniaturized multifunctional 3D-printing optosensing accessory, and (4) signal read-out and data analysis by a user-friendly Android app. The proposed smartphone-based fluorimetric magnetosensor exhibited a low limit of detection of 1.2 × 10-5 μg/L in the range of 10-4 μg/L to 100 μg/L. This integrated and high throughput platform was utilized to draw an MC-LR contamination map for six reservoirs distributed in the Pearl River delta, Guangdong Province. It promises to be a simple and successful quantification method for MC-LR field detection, bringing many benefits to rapid on-site screening.
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Affiliation(s)
- Tian Guan
- Key Laboratory of Food Quality and Safety of Guangdong Province, College of Food Science , South China Agricultural University , Guangzhou 510642 , China.,Guangdong Laboratory for Lingnan Modern Agriculture , Guangzhou 510642 , China
| | - Jianfei He
- Key Laboratory of Food Quality and Safety of Guangdong Province, College of Food Science , South China Agricultural University , Guangzhou 510642 , China
| | - Dayu Liu
- Department of Laboratory Medicine, Guangzhou First People's Hospital , Guangzhou Medical University , Guangzhou 510180 , China
| | - Zaoqing Liang
- Key Laboratory of Food Quality and Safety of Guangdong Province, College of Food Science , South China Agricultural University , Guangzhou 510642 , China
| | - Bowen Shu
- Department of Laboratory Medicine, Guangzhou First People's Hospital , Guangzhou Medical University , Guangzhou 510180 , China
| | - Yiping Chen
- College of Food Science and Technology , Huazhong Agricultural University , Wuhan , 430070 , China
| | - Yingju Liu
- Key Laboratory of Food Quality and Safety of Guangdong Province, College of Food Science , South China Agricultural University , Guangzhou 510642 , China
| | - Xing Shen
- Key Laboratory of Food Quality and Safety of Guangdong Province, College of Food Science , South China Agricultural University , Guangzhou 510642 , China
| | - Xiangmei Li
- Key Laboratory of Food Quality and Safety of Guangdong Province, College of Food Science , South China Agricultural University , Guangzhou 510642 , China
| | - Yuanming Sun
- Key Laboratory of Food Quality and Safety of Guangdong Province, College of Food Science , South China Agricultural University , Guangzhou 510642 , China
| | - Hongtao Lei
- Key Laboratory of Food Quality and Safety of Guangdong Province, College of Food Science , South China Agricultural University , Guangzhou 510642 , China.,Guangdong Laboratory for Lingnan Modern Agriculture , Guangzhou 510642 , China
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11
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Yin J, Suo Y, Zou Z, Sun J, Zhang S, Wang B, Xu Y, Darland D, Zhao JX, Mu Y. Integrated microfluidic systems with sample preparation and nucleic acid amplification. LAB ON A CHIP 2019; 19:2769-2785. [PMID: 31365009 PMCID: PMC8876602 DOI: 10.1039/c9lc00389d] [Citation(s) in RCA: 70] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
Rapid, efficient and accurate nucleic acid molecule detection is important in the screening of diseases and pathogens, yet remains a limiting factor at point of care (POC) treatment. Microfluidic systems are characterized by fast, integrated, miniaturized features which provide an effective platform for qualitative and quantitative detection of nucleic acid molecules. The nucleic acid detection process mainly includes sample preparation and target molecule amplification. Given the advancements in theoretical research and technological innovations to date, nucleic acid extraction and amplification integrated with microfluidic systems has advanced rapidly. The primary goal of this review is to outline current approaches used for nucleic acid detection in the context of microfluidic systems. The secondary goal is to identify new approaches that will help shape future trends at the intersection of nucleic acid detection and microfluidics, particularly with regard to increasing disease and pathogen detection for improved diagnosis and treatment.
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Affiliation(s)
- Juxin Yin
- Research Centre for Analytical Instrumentation, Institute of Cyber-Systems and Control, State Key Laboratory of Industrial Control Technology, Zhejiang University, Hangzhou, 310058, China.
| | - Yuanjie Suo
- Research Centre for Analytical Instrumentation, Institute of Cyber-Systems and Control, State Key Laboratory of Industrial Control Technology, Zhejiang University, Hangzhou, 310058, China.
| | - Zheyu Zou
- Research Centre for Analytical Instrumentation, Institute of Cyber-Systems and Control, State Key Laboratory of Industrial Control Technology, Zhejiang University, Hangzhou, 310058, China.
| | - Jingjing Sun
- Research Centre for Analytical Instrumentation, Institute of Cyber-Systems and Control, State Key Laboratory of Industrial Control Technology, Zhejiang University, Hangzhou, 310058, China.
| | - Shan Zhang
- Research Centre for Analytical Instrumentation, Institute of Cyber-Systems and Control, State Key Laboratory of Industrial Control Technology, Zhejiang University, Hangzhou, 310058, China.
| | - Beng Wang
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, National Ministry of Education), The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310009 China and Institute of Translational Medicine, Zhejiang University, Hangzhou, 310029 China
| | - Yawei Xu
- College of Biological and Pharmaceutical Engineering, Jilin Agricultural Science and Technology University, Jilin, 132000 China
| | - Diane Darland
- Department of Biology, University of North Dakota, USA.
| | | | - Ying Mu
- Research Centre for Analytical Instrumentation, Institute of Cyber-Systems and Control, State Key Laboratory of Industrial Control Technology, Zhejiang University, Hangzhou, 310058, China.
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12
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Lu J, Pang J, Chen Y, Dong Q, Sheng J, Luo Y, Lu Y, Lin B, Liu T. Application of Microfluidic Chips in Separation and Analysis of Extracellular Vesicles in Liquid Biopsy for Cancer. MICROMACHINES 2019; 10:mi10060390. [PMID: 31212643 PMCID: PMC6630239 DOI: 10.3390/mi10060390] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/12/2019] [Revised: 06/01/2019] [Accepted: 06/05/2019] [Indexed: 12/13/2022]
Abstract
Extracellular vesicles (EVs) are becoming a promising biomarker in liquid biopsy of cancer. Separation EV from cell culture medium or biofluids with high purity and quality remains a technique challenge. EV manipulation techniques based on microfluidics have been developed in the last decade. Microfluidic-based EV separation techniques developed so far can be classified into two categories: surface biomarker-dependent and size-dependent approaches. Microfluidic techniques allow the integration of EV separation and analysis on a single chip. Integrated EV separation and on-chip analysis have shown great potential in cancer diagnosis and monitoring treatment of responses. In this review, we discuss the development of microfluidic chips for EV separation and analysis. We also detail the clinical application of these microfluidic chips in the liquid biopsy of various cancers.
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Affiliation(s)
- Jin Lu
- College of Stomatology, Dalian Medical University, Dalian 116044, China.
| | - Jiushen Pang
- College of Stomatology, Dalian Medical University, Dalian 116044, China.
| | - Ying Chen
- College of Stomatology, Dalian Medical University, Dalian 116044, China.
| | - Qi Dong
- College of Stomatology, Dalian Medical University, Dalian 116044, China.
| | - Jiahao Sheng
- College of Stomatology, Dalian Medical University, Dalian 116044, China.
| | - Yong Luo
- Faculty of Chemical, Environmental and Biological Science and Technology, Dalian Technology University, Dalian 116044, China.
| | - Yao Lu
- Department of Biotechnology, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116044, China.
| | - Bingcheng Lin
- Department of Biotechnology, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116044, China.
| | - Tingjiao Liu
- College of Stomatology, Dalian Medical University, Dalian 116044, China.
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