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Duan S, Cai T, Liu F, Li Y, Yuan H, Yuan W, Huang K, Hoettges K, Chen M, Lim EG, Zhao C, Song P. Automatic offline-capable smartphone paper-based microfluidic device for efficient biomarker detection of Alzheimer's disease. Anal Chim Acta 2024; 1308:342575. [PMID: 38740448 DOI: 10.1016/j.aca.2024.342575] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 03/25/2024] [Accepted: 04/02/2024] [Indexed: 05/16/2024]
Abstract
BACKGROUND Alzheimer's disease (AD) is a prevalent neurodegenerative disease with no effective treatment. Efficient and rapid detection plays a crucial role in mitigating and managing AD progression. Deep learning-assisted smartphone-based microfluidic paper analysis devices (μPADs) offer the advantages of low cost, good sensitivity, and rapid detection, providing a strategic pathway to address large-scale disease screening in resource-limited areas. However, existing smartphone-based detection platforms usually rely on large devices or cloud servers for data transfer and processing. Additionally, the implementation of automated colorimetric enzyme-linked immunoassay (c-ELISA) on μPADs can further facilitate the realization of smartphone μPADs platforms for efficient disease detection. RESULTS This paper introduces a new deep learning-assisted offline smartphone platform for early AD screening, offering rapid disease detection in low-resource areas. The proposed platform features a simple mechanical rotating structure controlled by a smartphone, enabling fully automated c-ELISA on μPADs. Our platform successfully applied sandwich c-ELISA for detecting the β-amyloid peptide 1-42 (Aβ 1-42, a crucial AD biomarker) and demonstrated its efficacy in 38 artificial plasma samples (healthy: 19, unhealthy: 19, N = 6). Moreover, we employed the YOLOv5 deep learning model and achieved an impressive 97 % accuracy on a dataset of 1824 images, which is 10.16 % higher than the traditional method of curve-fitting results. The trained YOLOv5 model was seamlessly integrated into the smartphone using the NCNN (Tencent's Neural Network Inference Framework), enabling deep learning-assisted offline detection. A user-friendly smartphone application was developed to control the entire process, realizing a streamlined "samples in, answers out" approach. SIGNIFICANCE This deep learning-assisted, low-cost, user-friendly, highly stable, and rapid-response automated offline smartphone-based detection platform represents a good advancement in point-of-care testing (POCT). Moreover, our platform provides a feasible approach for efficient AD detection by examining the level of Aβ 1-42, particularly in areas with low resources and limited communication infrastructure.
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Affiliation(s)
- Sixuan Duan
- School of Advanced Technology, Xi'an Jiaotong-Liverpool University, 111 Ren'ai Road, Suzhou, 215000, China; Department of Electrical and Electronic Engineering, University of Liverpool, Foundation Building, Brownlow Hill, Liverpool, L69 7ZX, UK; Key Laboratory of Bionic Engineering, Jilin University, 5988 Renmin Street, Changchun, 130022, China
| | - Tianyu Cai
- School of Advanced Technology, Xi'an Jiaotong-Liverpool University, 111 Ren'ai Road, Suzhou, 215000, China
| | - Fuyuan Liu
- School of Advanced Technology, Xi'an Jiaotong-Liverpool University, 111 Ren'ai Road, Suzhou, 215000, China; Department of Electrical and Electronic Engineering, University of Liverpool, Foundation Building, Brownlow Hill, Liverpool, L69 7ZX, UK
| | - Yifan Li
- School of Advanced Technology, Xi'an Jiaotong-Liverpool University, 111 Ren'ai Road, Suzhou, 215000, China; Department of Electrical and Electronic Engineering, University of Liverpool, Foundation Building, Brownlow Hill, Liverpool, L69 7ZX, UK
| | - Hang Yuan
- School of Advanced Technology, Xi'an Jiaotong-Liverpool University, 111 Ren'ai Road, Suzhou, 215000, China
| | - Wenwen Yuan
- School of Advanced Technology, Xi'an Jiaotong-Liverpool University, 111 Ren'ai Road, Suzhou, 215000, China; Department of Electrical and Electronic Engineering, University of Liverpool, Foundation Building, Brownlow Hill, Liverpool, L69 7ZX, UK; State Key Laboratory for Manufacturing Systems Engineering, Xi'an Jiaotong University, No.28 Xianning West Road, Xi'an, 710079, China
| | - Kaizhu Huang
- Department of Electrical and Computer Engineering, Duke Kunshan University, 8 Duke Avenue, Kunshan, 215316, China
| | - Kai Hoettges
- Department of Electrical and Electronic Engineering, University of Liverpool, Foundation Building, Brownlow Hill, Liverpool, L69 7ZX, UK
| | - Min Chen
- School of Advanced Technology, Xi'an Jiaotong-Liverpool University, 111 Ren'ai Road, Suzhou, 215000, China; Department of Electrical and Electronic Engineering, University of Liverpool, Foundation Building, Brownlow Hill, Liverpool, L69 7ZX, UK
| | - Eng Gee Lim
- School of Advanced Technology, Xi'an Jiaotong-Liverpool University, 111 Ren'ai Road, Suzhou, 215000, China; Department of Electrical and Electronic Engineering, University of Liverpool, Foundation Building, Brownlow Hill, Liverpool, L69 7ZX, UK
| | - Chun Zhao
- School of Advanced Technology, Xi'an Jiaotong-Liverpool University, 111 Ren'ai Road, Suzhou, 215000, China; Department of Electrical and Electronic Engineering, University of Liverpool, Foundation Building, Brownlow Hill, Liverpool, L69 7ZX, UK
| | - Pengfei Song
- School of Advanced Technology, Xi'an Jiaotong-Liverpool University, 111 Ren'ai Road, Suzhou, 215000, China; Department of Electrical and Electronic Engineering, University of Liverpool, Foundation Building, Brownlow Hill, Liverpool, L69 7ZX, UK.
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Vloemans D, Van Hileghem L, Ordutowski H, Dal Dosso F, Spasic D, Lammertyn J. Self-Powered Microfluidics for Point-of-Care Solutions: From Sampling to Detection of Proteins and Nucleic Acids. Methods Mol Biol 2024; 2804:3-50. [PMID: 38753138 DOI: 10.1007/978-1-0716-3850-7_1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/21/2024]
Abstract
Self-powered microfluidics presents a revolutionary approach to address the challenges of healthcare in decentralized and point-of-care settings where limited access to resources and infrastructure prevails or rapid clinical decision-making is critical. These microfluidic systems exploit physical and chemical phenomena, such as capillary forces and surface tension, to manipulate tiny volumes of fluids without the need for external power sources, making them cost-effective and highly portable. Recent technological advancements have demonstrated the ability to preprogram complex multistep liquid operations within the microfluidic circuit of these standalone systems, which enabled the integration of sensitive detection and readout principles. This chapter first addresses how the accessibility to in vitro diagnostics can be improved by shifting toward decentralized approaches like remote microsampling and point-of-care testing. Next, the crucial role of self-powered microfluidic technologies to enable this patient-centric healthcare transition is emphasized using various state-of-the-art examples, with a primary focus on applications related to biofluid collection and the detection of either proteins or nucleic acids. This chapter concludes with a summary of the main findings and our vision of the future perspectives in the field of self-powered microfluidic technologies and their use for in vitro diagnostics applications.
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Affiliation(s)
- Dries Vloemans
- Department of Biosystems - Biosensors Group, KU Leuven, Leuven, Belgium
| | | | - Henry Ordutowski
- Department of Biosystems - Biosensors Group, KU Leuven, Leuven, Belgium
| | | | - Dragana Spasic
- Department of Biosystems - Biosensors Group, KU Leuven, Leuven, Belgium
| | - Jeroen Lammertyn
- Department of Biosystems - Biosensors Group, KU Leuven, Leuven, Belgium.
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Musile G, Grazioli C, Fornasaro S, Dossi N, De Palo EF, Tagliaro F, Bortolotti F. Application of Paper-Based Microfluidic Analytical Devices (µPAD) in Forensic and Clinical Toxicology: A Review. BIOSENSORS 2023; 13:743. [PMID: 37504142 PMCID: PMC10377625 DOI: 10.3390/bios13070743] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Revised: 06/14/2023] [Accepted: 06/23/2023] [Indexed: 07/29/2023]
Abstract
The need for providing rapid and, possibly, on-the-spot analytical results in the case of intoxication has prompted researchers to develop rapid, sensitive, and cost-effective methods and analytical devices suitable for use in nonspecialized laboratories and at the point of need (PON). In recent years, the technology of paper-based microfluidic analytical devices (μPADs) has undergone rapid development and now provides a feasible, low-cost alternative to traditional rapid tests for detecting harmful compounds. In fact, µPADs have been developed to detect toxic molecules (arsenic, cyanide, ethanol, and nitrite), drugs, and drugs of abuse (benzodiazepines, cathinones, cocaine, fentanyl, ketamine, MDMA, morphine, synthetic cannabinoids, tetrahydrocannabinol, and xylazine), and also psychoactive substances used for drug-facilitated crimes (flunitrazepam, gamma-hydroxybutyric acid (GHB), ketamine, metamizole, midazolam, and scopolamine). The present report critically evaluates the recent developments in paper-based devices, particularly in detection methods, and how these new analytical tools have been tested in forensic and clinical toxicology, also including future perspectives on their application, such as multisensing paper-based devices, microfluidic paper-based separation, and wearable paper-based sensors.
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Affiliation(s)
- Giacomo Musile
- Unit of Forensic Medicine, Department of Diagnostics and Public Health, University of Verona, P.le Scuro 10, 37134 Verona, Italy
| | - Cristian Grazioli
- Department of Agrifood, Environmental and Animal Science, University of Udine, Via Cotonificio 108, 33100 Udine, Italy
| | - Stefano Fornasaro
- Department of Chemical and Pharmaceutical Sciences, University of Trieste, Via L. Giorgeri 1, 34127 Trieste, Italy
| | - Nicolò Dossi
- Department of Agrifood, Environmental and Animal Science, University of Udine, Via Cotonificio 108, 33100 Udine, Italy
| | - Elio Franco De Palo
- Unit of Forensic Medicine, Department of Diagnostics and Public Health, University of Verona, P.le Scuro 10, 37134 Verona, Italy
| | - Franco Tagliaro
- Unit of Forensic Medicine, Department of Diagnostics and Public Health, University of Verona, P.le Scuro 10, 37134 Verona, Italy
- Laboratory of Pharmacokinetics and Metabolomics Analysis, Institute of Translational Medicine and Biotechnology, I.M. Sechenov First Moscow State Medical University, Bolshaya Pirogovskaya Street, 119991 Moscow, Russia
| | - Federica Bortolotti
- Unit of Forensic Medicine, Department of Diagnostics and Public Health, University of Verona, P.le Scuro 10, 37134 Verona, Italy
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Bazyar H. On the Application of Microfluidic-Based Technologies in Forensics: A Review. SENSORS (BASEL, SWITZERLAND) 2023; 23:5856. [PMID: 37447704 PMCID: PMC10346202 DOI: 10.3390/s23135856] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Revised: 06/21/2023] [Accepted: 06/22/2023] [Indexed: 07/15/2023]
Abstract
Microfluidic technology is a powerful tool to enable the rapid, accurate, and on-site analysis of forensically relevant evidence on a crime scene. This review paper provides a summary on the application of this technology in various forensic investigation fields spanning from forensic serology and human identification to discriminating and analyzing diverse classes of drugs and explosives. Each aspect is further explained by providing a short summary on general forensic workflow and investigations for body fluid identification as well as through the analysis of drugs and explosives. Microfluidic technology, including fabrication methodologies, materials, and working modules, are touched upon. Finally, the current shortcomings on the implementation of the microfluidic technology in the forensic field are discussed along with the future perspectives.
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Affiliation(s)
- Hanieh Bazyar
- Engineering Thermodynamics, Process & Energy Department, Faculty of Mechanical, Maritime and Materials Engineering, Delft University of Technology, Leeghwaterstraat 39, 2628CB Delft, The Netherlands
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Aran GC, Bayraç C. Simultaneous Dual-Sensing Platform Based on Aptamer-Functionalized DNA Hydrogels for Visual and Fluorescence Detection of Chloramphenicol and Aflatoxin M1. Bioconjug Chem 2023; 34:922-933. [PMID: 37080904 DOI: 10.1021/acs.bioconjchem.3c00130] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/22/2023]
Abstract
In this study, a chloramphenicol and aflatoxin M1 aptamer-functionalized DNA hydrogel was designed for the simultaneous detection of chloramphenicol and aflatoxin M1 for the first time. The acrydite-modified chloramphenicol aptamer sequence was used to synthesize the DNA hydrogel and for visual detection of chloramphenicol depending on the gel-to-sol transition of the target-responsive DNA hydrogel. The DNA hydrogel formulation was set as follows: 60% of each linear polyacrylamide-DNA conjugate and 40% of acrylamide and chloramphenicol aptamer/DNA strand-1 at a molar ratio of 1:1, and the lowest concentration of chloramphenicol leading to gel dissociation was 1.0 nM at 25 °C. Furthermore, the formalized aptamer-functionalized DNA hydrogel was used to detect aflatoxin M1 by measuring the recovery of the fluorescence signal that was quenched when the FAM-labeled aflatoxin M1 aptamer and BHQ1-labeled DNA strand-2 were hybridized to form a double-stranded DNA in the network of hydrogel. The detection platform was successfully applied to the detection of chloramphenicol and aflatoxin M1, both in aqueous solution and in milk. The aptamer-functionalized DNA hydrogel had detection (LOD) and quantification limits (LOQ) for aflatoxin M1 as 1.7 and 5.2 nM, respectively. Using two aptamer sequences with high affinity and specificity, the dual-sensing platform based on the DNA hydrogel achieved higher selectivity for chloramphenicol and aflatoxin M1, which demonstrated its potential as a reliable simultaneous detection platform against two different targets for monitoring food safety.
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Affiliation(s)
- Gülnur Camızcı Aran
- Department of Bioengineering, Karamanoğlu Mehmetbey University, Karaman 70100, Turkey
| | - Ceren Bayraç
- Department of Bioengineering, Karamanoğlu Mehmetbey University, Karaman 70100, Turkey
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Cai J, Guo J, Wang S. Application of Polymer Hydrogels in the Prevention of Postoperative Adhesion: A Review. Gels 2023; 9:gels9020098. [PMID: 36826268 PMCID: PMC9957106 DOI: 10.3390/gels9020098] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 01/15/2023] [Accepted: 01/17/2023] [Indexed: 01/25/2023] Open
Abstract
Postoperative adhesion is a common post-surgery complication formed between the surface of the body cavity, ranging from a layer of connective tissue to a fibrous bridge containing blood vessels and nerve tissue. Despite achieving a lot of progress, the mechanisms of adhesion formation still need to be further studied. In addition, few current treatments are consistently effective in the prevention of postoperative adhesion. Hydrogel is a kind of water-expanding crosslinked hydrophilic polymer network generated by a simple reaction of one or more monomers. Due to the porous structure, hydrogels can load different drugs and control the drug release kinetics. Evidence from existing studies has confirmed the feasibility and superiority of using hydrogels to counter postoperative adhesions, primarily due to their outstanding antifouling ability. In this review, the current research status of hydrogels as anti-adhesion barriers is summarized, the character of hydrogels in the prevention of postoperative adhesion is briefly introduced, and future research directions are discussed.
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Affiliation(s)
- Jie Cai
- School of Materials and Chemistry, University of Shanghai for Science and Technology, No. 516 Jungong Road, Shanghai 200093, China
| | - Jiaming Guo
- Department of Radiation Medicine, College of Naval Medicine, Naval Medical University, No. 800 Xiangyin Road, Shanghai 200433, China
| | - Shige Wang
- School of Materials and Chemistry, University of Shanghai for Science and Technology, No. 516 Jungong Road, Shanghai 200093, China
- Correspondence:
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7
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Zheng M, Liu H, Ye J, Ni B, Xie Y, Wang S. Target-responsive aptamer-cross-linked hydrogel sensors for the visual quantitative detection of aflatoxin B1 using exonuclease I-Triggered target cyclic amplification. Food Chem X 2022; 15:100395. [PMID: 36211719 PMCID: PMC9532715 DOI: 10.1016/j.fochx.2022.100395] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 06/29/2022] [Accepted: 07/12/2022] [Indexed: 11/21/2022] Open
Abstract
An AFB1-responsive aptamer-cross-linked hydrogel sensor was successfully constructed. Dual signal amplification strategy with Encapsulation of enzymesand exonuclease I. This method has great potential for AFB1 detection in peanut oil. The accuracy and consistency repeatability of this method are close to those of UPLC-HRMS.
For the on-site detection of aflatoxin B1 (AFB1), a DNA hydrogel was prepared as a biosensor substrate, while an AFB1 aptamer was used as the recognition element. An AFB1-responsive aptamer-cross-linked hydrogel sensor was constructed using an enzyme-linked signal amplification strategy; AFB1 binds competitively to the aptamer, causing the hydrogel to undergo cleavage and release horseradish peroxidase (HRP). The addition of exonuclease I (ExoI) to the hydrogel causes the release of AFB1 from the aptamer, promoting additional hydrogel cleavage to release more HRP, ultimately catalysing the reaction between 3,3′,5,5′-tetramethylbenzidine and H2O2. The hydrogel sensor exhibited an outstanding sensitivity (limit of detection, 4.93 nM; dynamic range, 0–500 nM), and its selectivity towards seven other mycotoxins was confirmed. The feasibility and reliability were verified by measuring the AFB1 levels in peanut oil (recoveries, 89.59–95.66 %; relative standard deviation, <7%); the obtained results were comparable to those obtained by UPLC-HRMS.
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Shin J, Jo W, Hwang JH, Han J, Lee W, Park S, Kim YS, Kim HT, Kim DG. Regional Control of Multistimuli-Responsive Structural Color-Switching Surfaces by a Micropatterned DNA-Hydrogel Assembly. NANO LETTERS 2022; 22:5069-5076. [PMID: 35648998 DOI: 10.1021/acs.nanolett.2c00197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Structural colors have advantages compared with chemical pigments or dyes, such as iridescence, tunability, and unfading. Many studies have focused on developing the ability to switch ON/OFF the structural color; however, they often suffer from a simple and single stimulus, remaining structural colors, and target selectivity. Herein, we present regionally controlled multistimuli-responsive structural color switching surfaces. The key part is the utilization of a micropatterned DNA-hydrogel assembly on a single substrate. Each hydrogel network contains a unique type of stimuli-responsive DNA motifs as an additional cross-linker to exhibit swelling/deswelling via stimuli-responsive DNA interactions. The approach enables overcoming the existing limitations and selectively programming the DNA-hydrogel to a decrypted state (ON) and an encrypted state (OFF) in response to multiple stimuli. Furthermore, the transitions are reversible, providing cyclability. We envision the potential of our method for diverse applications, such as sensors or anticounterfeiting, requiring multistimuli-responsive structural color switching surfaces.
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Affiliation(s)
- Jeehae Shin
- Advanced Materials Division, Korea Research Institute of Chemical Technology, 141 Gajeong-ro, Yuseong-gu, Daejeon 34114, Republic of Korea
| | - Wonhee Jo
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, South Korea
| | - Jae Hyuk Hwang
- Advanced Materials Division, Korea Research Institute of Chemical Technology, 141 Gajeong-ro, Yuseong-gu, Daejeon 34114, Republic of Korea
- School of Chemical and Biological Engineering and Institute of Chemical Processes, Seoul National University, 599 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea
| | - Jiseok Han
- Advanced Materials Division, Korea Research Institute of Chemical Technology, 141 Gajeong-ro, Yuseong-gu, Daejeon 34114, Republic of Korea
- Department of Polymer Engineering, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, Republic of Korea
| | - Woohwa Lee
- Advanced Materials Division, Korea Research Institute of Chemical Technology, 141 Gajeong-ro, Yuseong-gu, Daejeon 34114, Republic of Korea
| | - Sungmin Park
- Advanced Materials Division, Korea Research Institute of Chemical Technology, 141 Gajeong-ro, Yuseong-gu, Daejeon 34114, Republic of Korea
| | - Yong Seok Kim
- Advanced Materials Division, Korea Research Institute of Chemical Technology, 141 Gajeong-ro, Yuseong-gu, Daejeon 34114, Republic of Korea
- Advanced Materials and Chemical Engineering, KRICT School, University of Science and Technology, 217 Gajeong-ro, Yuseong-gu, Daejeon 34114, Republic of Korea
| | - Hee-Tak Kim
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, South Korea
| | - Dong-Gyun Kim
- Advanced Materials Division, Korea Research Institute of Chemical Technology, 141 Gajeong-ro, Yuseong-gu, Daejeon 34114, Republic of Korea
- Advanced Materials and Chemical Engineering, KRICT School, University of Science and Technology, 217 Gajeong-ro, Yuseong-gu, Daejeon 34114, Republic of Korea
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Zhang T, Ding F, Yang Y, Zhao G, Zhang C, Wang R, Huang X. Research Progress and Future Trends of Microfluidic Paper-Based Analytical Devices in In-Vitro Diagnosis. BIOSENSORS 2022; 12:485. [PMID: 35884289 PMCID: PMC9313202 DOI: 10.3390/bios12070485] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Revised: 06/30/2022] [Accepted: 07/01/2022] [Indexed: 12/14/2022]
Abstract
In vitro diagnosis (IVD) has become a hot topic in laboratory research and achievement transformation. However, due to the high cost, and time-consuming and complex operation of traditional technologies, some new technologies are being introduced into IVD, to solve the existing problems. As a result, IVD has begun to develop toward point-of-care testing (POCT), a subdivision field of IVD. The pandemic has made governments and health institutions realize the urgency of accelerating the development of POCT. Microfluidic paper-based analytical devices (μPADs), a low-cost, high-efficiency, and easy-to-operate detection platform, have played a significant role in advancing the development of IVD. μPADs are composed of paper as the core material, certain unique substances as reagents for processing the paper, and sensing devices, as auxiliary equipment. The published reviews on the same topic lack a comprehensive and systematic introduction to μPAD classification and research progress in IVD segmentation. In this paper, we first briefly introduce the origin of μPADs and their role in promoting IVD, in the introduction section. Then, processing and detection methods for μPADs are summarized, and the innovative achievements of μPADs in IVD are reviewed. Finally, we discuss and prospect the upgrade and improvement directions of μPADs, in terms of portability, sensitivity, and automation, to help researchers clarify the progress and overcome the difficulties in subsequent μPAD research.
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Affiliation(s)
| | | | | | | | | | | | - Xiaowen Huang
- State Key Laboratory of Biobased Material and Green Papermaking, School of Bioengineering, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, China; (T.Z.); (F.D.); (Y.Y.); (G.Z.); (C.Z.); (R.W.)
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10
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Murtaza G, Rizvi AS, Qiu L, Xue M, Meng Z. Aptamer empowered hydrogels: Fabrication and bio‐sensing applications. J Appl Polym Sci 2022. [DOI: 10.1002/app.52441] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Ghulam Murtaza
- School of Chemistry and Chemical Engineering, Beijing Institute of Technology Beijing China
| | - Aysha Sarfraz Rizvi
- School of Chemistry and Chemical Engineering, Beijing Institute of Technology Beijing China
| | - Lili Qiu
- School of Chemistry and Chemical Engineering, Beijing Institute of Technology Beijing China
| | - Min Xue
- School of Chemistry and Chemical Engineering, Beijing Institute of Technology Beijing China
| | - Zihui Meng
- School of Chemistry and Chemical Engineering, Beijing Institute of Technology Beijing China
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11
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Madrid RE, Ashur Ramallo F, Barraza DE, Chaile RE. Smartphone-Based Biosensor Devices for Healthcare: Technologies, Trends, and Adoption by End-Users. Bioengineering (Basel) 2022; 9:101. [PMID: 35324790 PMCID: PMC8945789 DOI: 10.3390/bioengineering9030101] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 02/15/2022] [Accepted: 02/24/2022] [Indexed: 12/15/2022] Open
Abstract
Smart biosensors are becoming an important support for modern healthcare, even more so in the current context. Numerous smartphone-based biosensor developments were published in recent years, some highly effective and sensitive. However, when patents and patent applications related to smart biosensors for healthcare applications are analyzed, it is surprising to note that, after significant growth in the first half of the decade, the number of applications filed has decreased considerably in recent years. There can be many causes of this effect. In this review, we present the state of the art of different types of smartphone-based biosensors, considering their stages of development. In the second part, a critical analysis of the possible reasons why many technologies do not reach the market is presented. Both technical and end-user adoption limitations were addressed. It was observed that smart biosensors on the commercial stage are still scarce despite the great evolution that these technologies have experienced, which shows the need to strengthen the stages of transfer, application, and adoption of technologies by end-users.
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Affiliation(s)
- Rossana E. Madrid
- Laboratorio de Medios e Interfases (LAMEIN), DBI, FACET, Universidad Nacional de Tucumán, Instituto Superior de Investigaciones Biológicas (INSIBIO), CONICET, Av. Independencia 1800, San Miguel de Tucuman 4000, Argentina; (F.A.R.); (D.E.B.); (R.E.C.)
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12
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Chen M, Wang Y, Zhang J, Peng Y, Li S, Han D, Ren S, Qin K, Li S, Gao Z. Stimuli-responsive DNA-based hydrogels for biosensing applications. J Nanobiotechnology 2022; 20:40. [PMID: 35062945 PMCID: PMC8777454 DOI: 10.1186/s12951-022-01242-x] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Accepted: 01/02/2022] [Indexed: 12/26/2022] Open
Abstract
The base sequences of DNA are endowed with the rich structural and functional information and are available for the precise construction of the 2D and 3D macro products. The hydrogels formed by DNA are biocompatible, stable, tunable and biologically versatile, thus, these have a wide range of promising applications in bioanalysis and biomedicine. In particular, the stimuli-responsive DNA hydrogels (smart DNA hydrogels), which exhibit a reversible and switchable hydrogel to sol transition under different triggers, have emerged as smart materials for sensing. Thus far, the combination of the stimuli-responsive DNA hydrogels and multiple sensing platforms is considered as biocompatible and is useful as the flexible recognition components. A review of the stimuli-responsive DNA hydrogels and their biosensing applications has been presented in this study. The synthesis methods to prepare the DNA hydrogels have been introduced. Subsequently, the current status of the stimuli-responsive DNA hydrogels in biosensing has been described. The analytical mechanisms are further elaborated by the combination of the stimuli-responsive DNA hydrogels with the optical, electrochemical, point-of-care testing (POCT) and other detection platforms. In addition, the prospects of the application of the stimuli-responsive DNA hydrogels in biosensing are presented.
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13
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Chen XF, Zhao X, Yang Z. Aptasensors for the detection of infectious pathogens: design strategies and point-of-care testing. Mikrochim Acta 2022; 189:443. [PMID: 36350388 PMCID: PMC9643942 DOI: 10.1007/s00604-022-05533-w] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Accepted: 10/10/2022] [Indexed: 11/11/2022]
Abstract
The epidemic of infectious diseases caused by contagious pathogens is a life-threatening hazard to the entire human population worldwide. A timely and accurate diagnosis is the critical link in the fight against infectious diseases. Aptamer-based biosensors, the so-called aptasensors, employ nucleic acid aptamers as bio-receptors for the recognition of target pathogens of interest. This review focuses on the design strategies as well as state-of-the-art technologies of aptasensor-based diagnostics for infectious pathogens (mainly bacteria and viruses), covering the utilization of three major signal transducers, the employment of aptamers as recognition moieties, the construction of versatile biosensing platforms (mostly micro and nanomaterial-based), innovated reporting mechanisms, and signal enhancement approaches. Advanced point-of-care testing (POCT) for infectious disease diagnostics are also discussed highlighting some representative ready-to-use devices to address the urgent needs of currently prevalent coronavirus disease 2019 (COVID-19). Pressing issues in aptamer-based technology and some future perspectives of aptasensors are provided for the implementation of aptasensor-based diagnostics into practical application.
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Affiliation(s)
- Xiao-Fei Chen
- Guangdong Provincial Key Laboratory of Chemical Measurement and Emergency Test Technology, Institute of Analysis, Guangdong Academy of Sciences (China National Analytical Center, Guangzhou), Guangzhou, 510070, People's Republic of China
| | - Xin Zhao
- Guangdong Provincial Key Laboratory of Chemical Measurement and Emergency Test Technology, Institute of Analysis, Guangdong Academy of Sciences (China National Analytical Center, Guangzhou), Guangzhou, 510070, People's Republic of China.
| | - Zifeng Yang
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, First Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510120, People's Republic of China.
- Guangzhou Laboratory, Guangzhou, 510320, People's Republic of China.
- Guangzhou Key Laboratory for Clinical Rapid Diagnosis and Early Warning of Infectious Diseases, Guangzhou, 510005, People's Republic of China.
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14
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Zhao L, Li L, Yang G, Wei B, Ma Y, Qu F. Aptamer functionalized DNA hydrogels: Design, applications and kinetics. Biosens Bioelectron 2021; 194:113597. [PMID: 34534951 DOI: 10.1016/j.bios.2021.113597] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 08/16/2021] [Accepted: 08/26/2021] [Indexed: 01/07/2023]
Abstract
DNA hydrogels have received considerable attention in various promising applications due to their excellent biocompatibility, controlled biodegradability, adjustable mechanical properties, stability against proteases, self-healing ability, and stimuli responsiveness. To obtain the specific molecular recognition capability, aptamers and many other functional motifs are utilized. Aptamers are short single-stranded DNA or RNA selected through SELEX to bind with specific target with high affinity and specificity. With advantages of broad range of targets, good stability, easy modification, and low cost, aptamer functionalized DNA hydrogels become popular in a wide range of promising applications. In this review, the recent progress on aptamer functionalized DNA hydrogels including general design principles, applications and kinetics has been summarized. Finally, the current challenges and prospects are discussed.
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Affiliation(s)
- Liping Zhao
- Key Laboratory of Molecular Medicine and Biotherapy, School of Life Science, Beijing Institute of Technology, 5 South Zhongguancun Street, Beijing, 100081, China
| | - Linsen Li
- Key Laboratory of Molecular Medicine and Biotherapy, School of Life Science, Beijing Institute of Technology, 5 South Zhongguancun Street, Beijing, 100081, China
| | - Ge Yang
- Key Laboratory of Molecular Medicine and Biotherapy, School of Life Science, Beijing Institute of Technology, 5 South Zhongguancun Street, Beijing, 100081, China
| | - Bo Wei
- Key Laboratory of Molecular Medicine and Biotherapy, School of Life Science, Beijing Institute of Technology, 5 South Zhongguancun Street, Beijing, 100081, China
| | - Yao Ma
- Key Laboratory of Molecular Medicine and Biotherapy, School of Life Science, Beijing Institute of Technology, 5 South Zhongguancun Street, Beijing, 100081, China
| | - Feng Qu
- Key Laboratory of Molecular Medicine and Biotherapy, School of Life Science, Beijing Institute of Technology, 5 South Zhongguancun Street, Beijing, 100081, China.
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15
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Zhang S, Zeng J, Wang C, Feng L, Song Z, Zhao W, Wang Q, Liu C. The Application of Wearable Glucose Sensors in Point-of-Care Testing. Front Bioeng Biotechnol 2021; 9:774210. [PMID: 34957071 PMCID: PMC8692794 DOI: 10.3389/fbioe.2021.774210] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2021] [Accepted: 11/18/2021] [Indexed: 12/18/2022] Open
Abstract
Diabetes and its complications have become a worldwide concern that influences human health negatively and even leads to death. The real-time and convenient glucose detection in biofluids is urgently needed. Traditional glucose testing is detecting glucose in blood and is invasive, which cannot be continuous and results in discomfort for the users. Consequently, wearable glucose sensors toward continuous point-of-care glucose testing in biofluids have attracted great attention, and the trend of glucose testing is from invasive to non-invasive. In this review, the wearable point-of-care glucose sensors for the detection of different biofluids including blood, sweat, saliva, tears, and interstitial fluid are discussed, and the future trend of development is prospected.
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Affiliation(s)
- Sheng Zhang
- State Key Laboratory of Fluid Power and Mechatronic Systems, School of Mechanical Engineering, Ningbo Research Institute, Zhejiang University, Hangzhou, China
| | - Junyan Zeng
- State Key Laboratory of Fluid Power and Mechatronic Systems, School of Mechanical Engineering, Ningbo Research Institute, Zhejiang University, Hangzhou, China
| | - Chunge Wang
- School of Mechanical and Energy Engineering, Ningbo Tech University, Ningbo, China
| | - Luying Feng
- State Key Laboratory of Fluid Power and Mechatronic Systems, School of Mechanical Engineering, Ningbo Research Institute, Zhejiang University, Hangzhou, China
| | - Zening Song
- State Key Laboratory of Fluid Power and Mechatronic Systems, School of Mechanical Engineering, Ningbo Research Institute, Zhejiang University, Hangzhou, China
| | - Wenjie Zhao
- State Key Laboratory of Fluid Power and Mechatronic Systems, School of Mechanical Engineering, Ningbo Research Institute, Zhejiang University, Hangzhou, China
| | - Qianqian Wang
- State Key Laboratory of Fluid Power and Mechatronic Systems, School of Mechanical Engineering, Ningbo Research Institute, Zhejiang University, Hangzhou, China
- College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, China
| | - Chen Liu
- State Key Laboratory of Fluid Power and Mechatronic Systems, School of Mechanical Engineering, Ningbo Research Institute, Zhejiang University, Hangzhou, China
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16
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Shu T, Hunter H, Zhou Z, Sun Y, Cheng X, Ma J, Su L, Zhang X, Serpe MJ. Portable point-of-care diagnostic devices: an updated review. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2021; 13:5418-5435. [PMID: 34787609 DOI: 10.1039/d1ay01643a] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
The global pandemic caused by the SARS-CoV-2 (COVID) virus indiscriminately impacted people worldwide with unquantifiable and severe impacts on all aspects of our lives, regardless of socioeconomic status. The pandemic brought to light the very real possibility of pathogens changing and shaping the way we live, and our lack of preparedness to deal with viral/bacterial outbreaks. Importantly, the quick detection of pathogens can help prevent and control the spread of disease, making the importance of diagnostic techniques undeniable. Point-of-care diagnostics started as a supplement to standard lab-based diagnostics, and are gradually becoming mainstream. Because of this, and their importance in detecting pathogens (especially in the developing world), their development has accelerated at an unprecedented rate. In this review, we highlight some important and recent examples of point-of-care diagnostics for detecting nucleic acids, proteins, bacteria, and other biomarkers, with the intent of making apparent their positive impact on society and human health.
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Affiliation(s)
- Tong Shu
- Research Center for Biosensor and Nanotheranostic, Shenzhen Key Laboratory for Nano-Biosensing Technology, School of Biomedical Engineering, Shenzhen University Health Science Center, Shenzhen 518060, P. R. China
- Beijing Key Laboratory for Bioengineering and Sensing Technology, Research Center for Bioengineering and Sensing Technology, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, P. R. China
| | - Haley Hunter
- Department of Chemistry, University of Alberta, Edmonton, Alberta, Canada, T6G 2G2.
| | - Ziping Zhou
- Research Center for Biosensor and Nanotheranostic, Shenzhen Key Laboratory for Nano-Biosensing Technology, School of Biomedical Engineering, Shenzhen University Health Science Center, Shenzhen 518060, P. R. China
- Beijing Key Laboratory for Bioengineering and Sensing Technology, Research Center for Bioengineering and Sensing Technology, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, P. R. China
| | - Yanping Sun
- Research Center for Biosensor and Nanotheranostic, Shenzhen Key Laboratory for Nano-Biosensing Technology, School of Biomedical Engineering, Shenzhen University Health Science Center, Shenzhen 518060, P. R. China
- Beijing Key Laboratory for Bioengineering and Sensing Technology, Research Center for Bioengineering and Sensing Technology, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, P. R. China
| | - Xiaojun Cheng
- Research Center for Biosensor and Nanotheranostic, Shenzhen Key Laboratory for Nano-Biosensing Technology, School of Biomedical Engineering, Shenzhen University Health Science Center, Shenzhen 518060, P. R. China
- Beijing Key Laboratory for Bioengineering and Sensing Technology, Research Center for Bioengineering and Sensing Technology, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, P. R. China
| | - Jianxin Ma
- Research Center for Biosensor and Nanotheranostic, Shenzhen Key Laboratory for Nano-Biosensing Technology, School of Biomedical Engineering, Shenzhen University Health Science Center, Shenzhen 518060, P. R. China
- Beijing Key Laboratory for Bioengineering and Sensing Technology, Research Center for Bioengineering and Sensing Technology, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, P. R. China
| | - Lei Su
- Research Center for Biosensor and Nanotheranostic, Shenzhen Key Laboratory for Nano-Biosensing Technology, School of Biomedical Engineering, Shenzhen University Health Science Center, Shenzhen 518060, P. R. China
| | - Xueji Zhang
- Research Center for Biosensor and Nanotheranostic, Shenzhen Key Laboratory for Nano-Biosensing Technology, School of Biomedical Engineering, Shenzhen University Health Science Center, Shenzhen 518060, P. R. China
| | - Michael J Serpe
- Department of Chemistry, University of Alberta, Edmonton, Alberta, Canada, T6G 2G2.
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17
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Kishnani V, Park S, Nakate UT, Mondal K, Gupta A. Nano-functionalized paper-based IoT enabled devices for point-of-care testing: a review. Biomed Microdevices 2021; 24:2. [PMID: 34792679 PMCID: PMC8600500 DOI: 10.1007/s10544-021-00588-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/20/2021] [Indexed: 11/04/2022]
Abstract
Over the last few years, the microfluidics phenomenon coupled with the Internet of Things (IoT) using innovative nano-functional materials has been recognized as a sustainable and economical tool for point-of-care testing (POCT) of various pathogens influencing human health. The sensors based on these phenomena aim to be designed for cost-effectiveness, make it handy, environment-friendly, and get an accurate, easy, and rapid response. Considering the burgeoning importance of analytical devices in the healthcare domain, this review paper is based on the gist of sensing aspects of the microfabricated paper-based analytical devices (μPADs). The article discusses the various used design methodologies and fabrication approaches and elucidates the recently reported surface modification strategies, detection mechanisms viz., colorimetric, electrochemical, fluorescence, electrochemiluminescence, etc. In a nutshell, this article summarizes the state-of-the-art research work carried out over the nano functionalized paper-based analytical devices and associated challenges/solutions in the point of care testing domain.
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Affiliation(s)
- Vinay Kishnani
- Department of Mechanical Engineering, Indian Institute of Technology Jodhpur-342037, Rajasthan, India
| | - Sungjune Park
- Department of Polymer Nano Science and Technology, Jeonbuk National University, Jeonju, 54896, South Korea
| | - Umesh T Nakate
- Department of Polymer Nano Science and Technology, Jeonbuk National University, Jeonju, 54896, South Korea
| | - Kunal Mondal
- Materials Science and Engineering Department, Idaho National Laboratory, Idaho Falls, ID 83415, USA
| | - Ankur Gupta
- Department of Mechanical Engineering, Indian Institute of Technology Jodhpur-342037, Rajasthan, India.
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18
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Li D, Xiong Q, Liang L, Duan H. Multienzyme nanoassemblies: from rational design to biomedical applications. Biomater Sci 2021; 9:7323-7342. [PMID: 34647942 DOI: 10.1039/d1bm01106e] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Multienzyme nanoassemblies (MENAs) that combine the functions of several enzymes into one entity have attracted widespread research interest due to their improved enzymatic performance and great potential for multiple applications. Considerable progress has been made to design and fabricate MENAs in recent years. This review begins with an introduction of the up-to-date strategies in designing MENAs, mainly including substrate channeling, compartmentalization and control of enzyme stoichiometry. The desirable properties that endow MENAs with important applications are also discussed in detail. Then, the recent advances in utilizing MENAs in the biomedical field are reviewed, with a particular focus on biosensing, tumor therapy, antioxidant and drug delivery. Finally, the challenges and perspectives for development of versatile MENAs are summarized.
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Affiliation(s)
- Di Li
- State Key Lab of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China. .,School of Chemical and Biomedical Engineering, Nanyang Technological University, 70 Nanyang Drive, Singapore 637457, Singapore. .,School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Qirong Xiong
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 70 Nanyang Drive, Singapore 637457, Singapore.
| | - Li Liang
- State Key Lab of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China. .,School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Hongwei Duan
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 70 Nanyang Drive, Singapore 637457, Singapore.
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19
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Tang Y, Gao L, Feng W, Guo C, Yang Q, Li F, Le XC. The CRISPR-Cas toolbox for analytical and diagnostic assay development. Chem Soc Rev 2021; 50:11844-11869. [PMID: 34611682 DOI: 10.1039/d1cs00098e] [Citation(s) in RCA: 83] [Impact Index Per Article: 27.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Clustered Regularly Interspaced Short Palindromic Repeats (CRISPR) and CRISPR-associated (Cas) systems have revolutionized biological and biomedical sciences in many ways. The last few years have also seen tremendous interest in deploying the CRISPR-Cas toolbox for analytical and diagnostic assay development because CRISPR-Cas is one of the most powerful classes of molecular machineries for the recognition and manipulation of nucleic acids. In the short period of development, many CRISPR-enabled assays have already established critical roles in clinical diagnostics, biosensing, and bioimaging. We describe in this review the recent advances and design principles of CRISPR mediated analytical tools with an emphasis on the functional roles of CRISPR-Cas machineries as highly efficient binders and molecular scissors. We highlight the diverse engineering approaches for molecularly modifying CRISPR-Cas machineries and for devising better readout platforms. We discuss the potential roles of these new approaches and platforms in enhancing assay sensitivity, specificity, multiplexity, and clinical outcomes. By illustrating the biochemical and analytical processes, we hope this review will help guide the best use of the CRISPR-Cas toolbox in detecting, quantifying and imaging biologically and clinically important molecules and inspire new ideas, technological advances and engineering strategies for addressing real-world challenges such as the on-going COVID-19 pandemic.
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Affiliation(s)
- Yanan Tang
- Analytical & Testing Center, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu, Sichuan, 610064, China.
| | - Lu Gao
- Analytical & Testing Center, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu, Sichuan, 610064, China.
| | - Wei Feng
- Department of Chemistry, Brock University, St. Catharines, Ontario, L2S 3A1, Canada
| | - Chen Guo
- Analytical & Testing Center, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu, Sichuan, 610064, China.
| | - Qianfan Yang
- Analytical & Testing Center, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu, Sichuan, 610064, China.
| | - Feng Li
- Analytical & Testing Center, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu, Sichuan, 610064, China. .,Department of Chemistry, Brock University, St. Catharines, Ontario, L2S 3A1, Canada
| | - X Chris Le
- Division of Analytical and Environmental Toxicology, Department of Laboratory Medicine and Pathology, Faculty of Medicine and Dentistry, University of Alberta, Alberta, T6G 2G3, Canada
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20
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Musile G, Agard Y, Wang L, De Palo EF, McCord B, Tagliaro F. Paper-based microfluidic devices: On-site tools for crime scene investigation. Trends Analyt Chem 2021. [DOI: 10.1016/j.trac.2021.116406] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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21
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Gao D, Yang X, Teng P, Luo M, Zhang H, Liu Z, Yang J, Li Z, Wen X, Yuan L, Li K, Bowkett M, Copner N. On-line SERS detection of bilirubin based on the optofluidic in-fiber integrated GO/Ag NPs for rapid diagnosis of jaundice. Talanta 2021; 234:122692. [PMID: 34364489 DOI: 10.1016/j.talanta.2021.122692] [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: 04/19/2021] [Revised: 06/30/2021] [Accepted: 07/03/2021] [Indexed: 10/20/2022]
Abstract
In this paper, we propose a self-assembled graphene oxide (GO)/Ag NPs SERS Raman sensor based on a novel type of optofluidic MHF as a point-of-care testing (POCT) device. This device is used to diagnose jaundice and its related diseases through on-line detection of free bilirubin content in human serum. This optofluidic Raman sensor is composed of a microstructured hollow fiber (MHF) with a microstructured channel and a suspended core, which allows the sample solution to flow in the channel while interacting with the strong evanescent field on the suspended core. Here, the suspended core was modified by a GO/Ag NPs SERS substrate. When the sample flows through the channel, and interacts with the strong evanescent field generated by the suspended core, the on-line SERS signal is generated and can be coupled back to the suspended core to be detected. In addition, both the electrostatic interaction and interference between GO/Ag NPs with the target enriched bilirubin. The results show that the detection concentration range of bilirubin aqueous, bilirubin in albumin and bilirubin in human blood are all in the range of 2 μM-100 μM, and all have a good linear response. The limit of detection reaches the order of 10-6 M. This rapid, sensitive and label-free SERS Raman sensor of free bilirubin in blood can detect excessive levels of bilirubin in the actual blood environment of the human body, providing a broad prospect for clinically accurate diagnosis of jaundice and related diseases.
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Affiliation(s)
- Danheng Gao
- Key Laboratory of In-Fiber Integrated Optics, Ministry of Education, College of Science, Harbin Engineering University, Harbin, 150001, China
| | - Xinghua Yang
- Key Laboratory of In-Fiber Integrated Optics, Ministry of Education, College of Science, Harbin Engineering University, Harbin, 150001, China.
| | - Pingping Teng
- Key Laboratory of In-Fiber Integrated Optics, Ministry of Education, College of Science, Harbin Engineering University, Harbin, 150001, China.
| | - Meng Luo
- Key Laboratory of In-Fiber Integrated Optics, Ministry of Education, College of Science, Harbin Engineering University, Harbin, 150001, China
| | - Haoxin Zhang
- Harbin Medical University Cancer Hospital, Harbin Medical University, Harbin, 150001, China
| | - Zhihai Liu
- Key Laboratory of In-Fiber Integrated Optics, Ministry of Education, College of Science, Harbin Engineering University, Harbin, 150001, China
| | - Jun Yang
- Key Laboratory of In-Fiber Integrated Optics, Ministry of Education, College of Science, Harbin Engineering University, Harbin, 150001, China
| | - Zhanao Li
- Key Laboratory of In-Fiber Integrated Optics, Ministry of Education, College of Science, Harbin Engineering University, Harbin, 150001, China
| | - Xingyue Wen
- Key Laboratory of In-Fiber Integrated Optics, Ministry of Education, College of Science, Harbin Engineering University, Harbin, 150001, China
| | - Libo Yuan
- Key Laboratory of In-Fiber Integrated Optics, Ministry of Education, College of Science, Harbin Engineering University, Harbin, 150001, China; Photonics Research Center, Guilin University of Electronics Technology, Guilin, 541004, China
| | - Kang Li
- Wireless & Optoelectronics Research & Innovation Centre, Faculty of Computing, Engineering & Science, University of South Wales, Wales, CF37 1DL, UK
| | - Mark Bowkett
- Wireless & Optoelectronics Research & Innovation Centre, Faculty of Computing, Engineering & Science, University of South Wales, Wales, CF37 1DL, UK
| | - Nigel Copner
- Wireless & Optoelectronics Research & Innovation Centre, Faculty of Computing, Engineering & Science, University of South Wales, Wales, CF37 1DL, UK
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22
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Abune L, Davis B, Wang Y. Aptamer-functionalized hydrogels: An emerging class of biomaterials for protein delivery, cell capture, regenerative medicine, and molecular biosensing. WILEY INTERDISCIPLINARY REVIEWS-NANOMEDICINE AND NANOBIOTECHNOLOGY 2021; 13:e1731. [PMID: 34132055 DOI: 10.1002/wnan.1731] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Revised: 04/27/2021] [Accepted: 05/24/2021] [Indexed: 12/25/2022]
Abstract
Molecular recognition is essential to the development of biomaterials. Aptamers are a unique class of synthetic ligands interacting with not only their target molecules with high affinities and specificities but also their complementary sequences with high fidelity. Thus, aptamers have recently attracted significant attention in the development of an emerging class of biomaterials, that is, aptamer-functionalized hydrogels. In this review, we introduce the methods of incorporating aptamers into hydrogels as pendant motifs or crosslinkers. We further introduce the functions of these hydrogels in recognizing proteins, cells, and analytes through four applications including protein delivery, cell capture, regenerative medicine, and molecular biosensing. Notably, as aptamer-functionalized hydrogels have the characteristics of both aptamers and hydrogels, their potential applications are broad and beyond the scope of this review. This article is categorized under: Biology-Inspired Nanomaterials > Nucleic Acid-Based Structures Implantable Materials and Surgical Technologies > Nanomaterials and Implants Therapeutic Approaches and Drug Discovery > Emerging Technologies.
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Affiliation(s)
- Lidya Abune
- Department of Biomedical Engineering, The Pennsylvania State University, University Park, Pennsylvania, USA
| | - Brandon Davis
- Department of Biomedical Engineering, The Pennsylvania State University, University Park, Pennsylvania, USA
| | - Yong Wang
- Department of Biomedical Engineering, The Pennsylvania State University, University Park, Pennsylvania, USA
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23
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Yu H, Sun S, Tan X, Zhang L, Gao C. Modulating Charge Carrier Efficient Separation Enabled by Lewis Base Modification in Paper‐based Photoelectrochemical Sensor. ELECTROANAL 2021. [DOI: 10.1002/elan.202100009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Haihan Yu
- School of Chemistry and Chemical Engineering University of Jinan Jinan Shandong 250022 P.R. China
| | - Shubo Sun
- Shandong Provincial Key Laboratory of Preparation and Measurement of Building Materials University of Jinan Jinan 250022 P.R. China
| | - Xiaoran Tan
- School of Chemistry and Chemical Engineering University of Jinan Jinan Shandong 250022 P.R. China
| | - Lina Zhang
- Shandong Provincial Key Laboratory of Preparation and Measurement of Building Materials University of Jinan Jinan 250022 P.R. China
| | - Chaomin Gao
- School of Chemistry and Chemical Engineering University of Jinan Jinan Shandong 250022 P.R. China
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24
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Wei X, Guo J, Lian H, Sun X, Liu B. Cobalt metal-organic framework modified carbon cloth/paper hybrid electrochemical button-sensor for nonenzymatic glucose diagnostics. SENSORS AND ACTUATORS. B, CHEMICAL 2021; 329:129205. [PMID: 33519089 PMCID: PMC7833951 DOI: 10.1016/j.snb.2020.129205] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Revised: 11/09/2020] [Accepted: 11/10/2020] [Indexed: 05/15/2023]
Abstract
In the growing pandemic, family healthcare is widely concerned with the increase of medical self-diagnosis away from the hospital. A cobalt metal-organic framework modified carbon cloth/paper (Co-MOF/CC/Paper) hybrid button-sensor was developed as a portable, robust, and user-friendly electrochemical analytical chip for nonenzymatic quantitative detection of glucose. Highly integrated electrochemical analytical chip was successfully fabricated with a flexible Co-MOF/CC sensing interface, effectively increasing the specific area and catalytic sites than the traditional plane electrode. Based on the button-sensor, rapid quantitative detection of glucose was achieved in multiple complex bio-matrixes, such as serum, urine, and saliva, with desired selectivity, stability, and durability. With the advantages of low cost, high environment tolerance, ease of production, our nanozyme-based electrochemical analytical chip achieved reliable nonenzymatic electrocatalysis, has great potential for the application of rapid on-site analysis in personalized diagnostic and disease prevention.
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Affiliation(s)
- Xiaofeng Wei
- College of Materials Science and Engineering, Huaqiao University, Key Laboratory of Molecular Designing and Green Conversions (Fujian University), Xiamen, 361021, People's Republic of China
| | - Jialei Guo
- College of Materials Science and Engineering, Huaqiao University, Key Laboratory of Molecular Designing and Green Conversions (Fujian University), Xiamen, 361021, People's Republic of China
| | - Huiting Lian
- College of Materials Science and Engineering, Huaqiao University, Key Laboratory of Molecular Designing and Green Conversions (Fujian University), Xiamen, 361021, People's Republic of China
| | - Xiangying Sun
- College of Materials Science and Engineering, Huaqiao University, Key Laboratory of Molecular Designing and Green Conversions (Fujian University), Xiamen, 361021, People's Republic of China
| | - Bin Liu
- College of Materials Science and Engineering, Huaqiao University, Key Laboratory of Molecular Designing and Green Conversions (Fujian University), Xiamen, 361021, People's Republic of China
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25
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Baek SH, Park C, Jeon J, Park S. Three-Dimensional Paper-Based Microfluidic Analysis Device for Simultaneous Detection of Multiple Biomarkers with a Smartphone. BIOSENSORS-BASEL 2020; 10:bios10110187. [PMID: 33233440 PMCID: PMC7700338 DOI: 10.3390/bios10110187] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/25/2020] [Revised: 11/19/2020] [Accepted: 11/19/2020] [Indexed: 11/30/2022]
Abstract
Paper-based microfluidic analysis devices (μPADs) have attracted attention as a cost-effective platform for point-of-care testing (POCT), food safety, and environmental monitoring. Recently, three-dimensional (3D)-μPADs have been developed to improve the performance of μPADs. For accurate diagnosis of diseases, however, 3D-μPADs need to be developed to simultaneously detect multiple biomarkers. Here, we report a 3D-μPADs platform for the detection of multiple biomarkers that can be analyzed and diagnosed with a smartphone. The 3D-μPADs were fabricated using a 3D digital light processing printer and consisted of a sample reservoir (300 µL) connected to 24 detection zones (of 4 mm in diameter) through eight microchannels (of 2 mm in width). With the smartphone application, eight different biomarkers related to various diseases were detectable in concentrations ranging from normal to abnormal conditions: glucose (0–20 mmol/L), cholesterol (0–10 mmol/L), albumin (0–7 g/dL), alkaline phosphatase (0–800 U/L), creatinine (0–500 µmol/L), aspartate aminotransferase (0–800 U/L), alanine aminotransferase (0–1000 U/L), and urea nitrogen (0–7.2 mmol/L). These results suggest that 3D-µPADs can be used as a POCT platform for simultaneous detection of multiple biomarkers.
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Affiliation(s)
- Seung Ho Baek
- School of Mechanical Engineering, Sungkyunkwan University, Suwon 16419, Korea; (S.H.B.); (J.J.)
| | - Chanyong Park
- Department of Biomedical Engineering, Sungkyunkwan University, Suwon 16419, Korea;
| | - Jaehyung Jeon
- School of Mechanical Engineering, Sungkyunkwan University, Suwon 16419, Korea; (S.H.B.); (J.J.)
| | - Sungsu Park
- School of Mechanical Engineering, Sungkyunkwan University, Suwon 16419, Korea; (S.H.B.); (J.J.)
- Department of Biomedical Engineering, Sungkyunkwan University, Suwon 16419, Korea;
- Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, Suwon 16419, Korea
- Correspondence: ; Tel.: +82-31-290-7431; Fax: +82-31-290-5889
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Detection of doxycycline hyclate and oxymetazoline hydrochloride in pharmaceutical preparations via spectrophotometry and microfluidic paper-based analytical device (μPADs). Anal Chim Acta 2020; 1136:196-204. [DOI: 10.1016/j.aca.2020.09.045] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 09/18/2020] [Accepted: 09/22/2020] [Indexed: 12/31/2022]
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Di Y, Wang P, Li C, Xu S, Tian Q, Wu T, Tian Y, Gao L. Design, Bioanalytical, and Biomedical Applications of Aptamer-Based Hydrogels. Front Med (Lausanne) 2020; 7:456. [PMID: 33195288 PMCID: PMC7642814 DOI: 10.3389/fmed.2020.00456] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Accepted: 07/09/2020] [Indexed: 01/13/2023] Open
Abstract
Aptamers are special types of single-stranded DNA generated by a process called systematic evolution of ligands by exponential enrichment (SELEX). Due to significant advances in the chemical synthesis and biotechnological production, aptamers have gained considerable attention as versatile building blocks for the next generation of soft materials. Hydrogels are high water-retainable materials with a three-dimensional (3D) polymeric network. Aptamers, as a vital element, have greatly expanded the applications of hydrogels. Due to their biocompatibility, selective binding, and molecular recognition, aptamer-based hydrogels can be utilized for bioanalytical and biomedical applications. In this review, we focus on the latest strategies of aptamer-based hydrogels in bioanalytical and biomedical applications. We begin this review with an overview of the underlying design principles for the construction of aptamer-based hydrogels. Next, we will discuss some bioanalytical and biomedical applications of aptamer-based hydrogel including biosensing, target capture and release, logic devices, gene and cancer therapy. Finally, the recent progress of aptamer-based hydrogels is discussed, along with challenges and future perspectives.
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Affiliation(s)
- Ya Di
- Department of Respiratory Medicine, The First Hospital of Qinhuangdao, Qinhuangdao, China
| | - Ping Wang
- Department of Respiratory Medicine, Chinese People's Liberation Army General Hospital, Beijing, China
| | - Chunyan Li
- Department of Respiratory Medicine, Chinese People's Liberation Army General Hospital, Beijing, China
| | - Shufeng Xu
- Department of Respiratory Medicine, The First Hospital of Qinhuangdao, Qinhuangdao, China
| | - Qi Tian
- Department of Respiratory Medicine, The First Hospital of Qinhuangdao, Qinhuangdao, China
| | - Tong Wu
- Department of Respiratory Medicine, The First Hospital of Qinhuangdao, Qinhuangdao, China
| | - Yaling Tian
- Department of Respiratory Medicine, The First Hospital of Qinhuangdao, Qinhuangdao, China
| | - Liming Gao
- Department of Respiratory Medicine, The First Hospital of Qinhuangdao, Qinhuangdao, China
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Chu T, Chu J, Gao B, He B. Modern evolution of paper-based analytical devices for wearable use: from disorder to order. Analyst 2020; 145:5388-5399. [PMID: 32700700 DOI: 10.1039/d0an00994f] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Paper devices have attracted great attention for their rapid development in multiple fields, such as life sciences, biochemistry, and materials science. When manufacturing paper chips, flexible materials, such as cellulose paper or other porous flexible membranes, can offer several advantages in terms of their flexibility, lightweight, low cost, safety and wearability. However, traditional cellulose paper sheets with chaotic cellulose fiber constitutions do not have special structures and optical characteristics, leading to poor repeatability and low sensitivity during biochemical sensing, limiting their wide application. Recent evidence showed that the addition of ordered structure provides a promising method for manufacturing intelligent flexible devices, making traditional flexible devices with multiple functions (microfluidics, motion detection and optical display). There is an urgent need for an overall summary of the evolution of paper devices so that readers can fully understand the field. Hence, in this review, we summarized the latest developments in intelligent paper devices, starting with the fabrication of paper and smart flexible paper devices, in the fields of biology, chemistry, electronics, etc. First, we outlined the manufacturing methods and applications of both traditional cellulose paper devices and modern smart devices based on pseudopaper (order paper). Then, considering different materials, such as cellulose, nitrocellulose, nature sourced photonic crystals (photonic crystals sourced from nature directly) and artificial photonic crystals, we summarized a new type of smart flexible device containing an ordered structure. Next, the applications of paper devices in biochemical sensing, wearable sensing, and cross-scale sensing were discussed. Finally, we summarized the development direction of this field. The aim of this review is to take an integral cognition approach to the development of smart flexible paper devices in multiple fields and promote communications between materials science, biology, chemistry and electrical science.
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Affiliation(s)
- Tianshu Chu
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing 211816, China.
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Li B, Qi J, Fu L, Han J, Choo J, deMello AJ, Lin B, Chen L. Integrated hand-powered centrifugation and paper-based diagnosis with blood-in/answer-out capabilities. Biosens Bioelectron 2020; 165:112282. [PMID: 32729467 DOI: 10.1016/j.bios.2020.112282] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Revised: 04/28/2020] [Accepted: 05/06/2020] [Indexed: 12/30/2022]
Abstract
To date, 55% of inhabitants of the developing world still live in rural regions and they have a very urgent need to improve the level of disease diagnosis, especially in resource-limited settings. Herein, we present a microfluidic system that centrifuges whole blood and quantifies contained biomarkers in a rapid, feasible and integrated way. Such a device provides a blood-in/answer-out capability and is small enough to be carried by any individual in any environment. The successful integration a hand-powered centrifuge and immunoassay unit within a rotational paper-based device allows for diagnostic application by untrained users and in environments where access to electricity cannot be assumed. In addition, the low cost (~$ 0.5), light weight and small instrumental footprint make the device ideally suited for rapid on-site detection. To validate the applicability of the system in a clinical diagnostic testing, we successfully perform enzyme-linked immunosorbent assay (ELISA) analysis of carcinoembryonic antigen and alpha fetoprotein from human blood samples. We expect that this powerful platform technology will provide the opportunities for point-of-care diagnosis in resource-limited settings.
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Affiliation(s)
- Bowei Li
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Shandong Key Laboratory of Coastal Environmental Processes, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, 264003, China
| | - Ji Qi
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Shandong Key Laboratory of Coastal Environmental Processes, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, 264003, China
| | - Longwen Fu
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Shandong Key Laboratory of Coastal Environmental Processes, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, 264003, China
| | - Jinglong Han
- School of Environment and Materials Engineering and College of Chemistry and Chemical Engineering, Yantai University, Yantai, 264005, China
| | - Jaebum Choo
- Department of Chemistry, Chung-Ang University, Seoul, 06974, South Korea.
| | - Andrew J deMello
- Institute for Chemical and Bioengineering, Department of Chemistry and Applied Biosciences, ETH Zürich, Vladimir Prelog Weg 1, 8093, Zurich, Switzerland.
| | - Bingcheng Lin
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
| | - Lingxin Chen
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Shandong Key Laboratory of Coastal Environmental Processes, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, 264003, China; School of Pharmacy, Binzhou Medical University, Yantai, 264003, China.
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Chen J, Zhu Y, Liu H, Wang L. Tailoring DNA Self-assembly to Build Hydrogels. Top Curr Chem (Cham) 2020; 378:32. [PMID: 32146604 DOI: 10.1007/s41061-020-0295-7] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2019] [Accepted: 02/23/2020] [Indexed: 01/12/2023]
Abstract
DNA hydrogels are crosslinked polymeric networks in which DNA is used as the backbone or the crosslinker. These hydrogels are novel biofunctional materials that possess the biological character of DNA and the framed structure of hydrogels. Compared with other kinds of hydrogels, DNA hydrogels exhibit not only high mechanical strength and controllable morphologies but also good recognition ability, designable responsiveness, and programmability. The DNA used in this type of hydrogel acts as a building block for self-assembly or as a responsive element due to its sequence recognition ability and switchable structural transitions, respectively. In this review, we describe recent developments in the field of DNA hydrogels and discuss the role played by DNA in these hydrogels. Various synthetic strategies for and a range of applications of DNA hydrogels are detailed.
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Affiliation(s)
- Jie Chen
- Division of Physical Biology, CAS Key Laboratory of Interfacial Physics and Technology, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai, 201800, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Ying Zhu
- Division of Physical Biology, CAS Key Laboratory of Interfacial Physics and Technology, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai, 201800, China.,Zhangjiang Laboratory, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, 201210, China
| | - Huajie Liu
- School of Chemical Science and Engineering, Shanghai Research Institute for Intelligent Autonomous Systems, Key Laboratory of Advanced Civil Engineering Materials of Ministry of Education, Tongji University, Shanghai, 200092, China.
| | - Lihua Wang
- Division of Physical Biology, CAS Key Laboratory of Interfacial Physics and Technology, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai, 201800, China. .,Zhangjiang Laboratory, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, 201210, China.
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Kim TH, Hahn YK, Kim MS. Recent Advances of Fluid Manipulation Technologies in Microfluidic Paper-Based Analytical Devices (μPADs) toward Multi-Step Assays. MICROMACHINES 2020; 11:mi11030269. [PMID: 32143468 PMCID: PMC7142896 DOI: 10.3390/mi11030269] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Revised: 02/27/2020] [Accepted: 03/03/2020] [Indexed: 12/16/2022]
Abstract
Microfluidic paper-based analytical devices (μPADs) have been suggested as alternatives for developing countries with suboptimal medical conditions because of their low diagnostic cost, high portability, and disposable characteristics. Recently, paper-based diagnostic devices enabling multi-step assays have been drawing attention, as they allow complicated tests, such as enzyme-linked immunosorbent assay (ELISA) and polymerase chain reaction (PCR), which were previously only conducted in the laboratory, to be performed on-site. In addition, user convenience and price of paper-based diagnostic devices are other competitive points over other point-of-care testing (POCT) devices, which are more critical in developing countries. Fluid manipulation technologies in paper play a key role in realizing multi-step assays via μPADs, and the expansion of biochemical applications will provide developing countries with more medical benefits. Therefore, we herein aimed to investigate recent fluid manipulation technologies utilized in paper-based devices and to introduce various approaches adopting several principles to control fluids on papers. Fluid manipulation technologies are classified into passive and active methods. While passive valves are structurally simple and easy to fabricate, they are difficult to control in terms of flow at a specific spatiotemporal condition. On the contrary, active valves are more complicated and mostly require external systems, but they provide much freedom of fluid manipulation and programmable operation. Both technologies have been revolutionized in the way to compensate for their limitations, and their advances will lead to improved performance of μPADs, increasing the level of healthcare around the world.
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Affiliation(s)
| | - Young Ki Hahn
- Biomedical Convergence Science & Technology, Industrial Technology Advances, Kyungpook National University, 80 Daehakro, Bukgu, Daegu 41566, Korea
- Correspondence: (Y.K.H.); (M.S.K.); Tel.: +82-53-950-2338 (Y.K.H.); +82-53-785-1740 (M.S.K.)
| | - Minseok S. Kim
- Department of New Biology, Daegu Gyeongbuk Institute of Science & Technology (DGIST), 333 Techno jungang-daero, Daegu 42988, Korea
- Correspondence: (Y.K.H.); (M.S.K.); Tel.: +82-53-950-2338 (Y.K.H.); +82-53-785-1740 (M.S.K.)
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Khajouei S, Ravan H, Ebrahimi A. DNA hydrogel-empowered biosensing. Adv Colloid Interface Sci 2020; 275:102060. [PMID: 31739981 PMCID: PMC7094116 DOI: 10.1016/j.cis.2019.102060] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Revised: 10/24/2019] [Accepted: 10/25/2019] [Indexed: 01/28/2023]
Abstract
DNA hydrogels as special members in the DNA nanotechnology have provided crucial prerequisites to create innovative gels owing to their sufficient stability, biocompatibility, biodegradability, and tunable multifunctionality. These properties have tailored DNA hydrogels for various applications in drug delivery, tissue engineering, sensors, and cancer therapy. Recently, DNA-based materials have attracted substantial consideration for the exploration of smart hydrogels, in which their properties can change in response to chemical or physical stimuli. In other words, these gels can undergo switchable gel-to-sol or sol-to-gel transitions upon application of different triggers. Moreover, various functional motifs like i-motif structures, antisense DNAs, DNAzymes, and aptamers can be inserted into the polymer network to offer a molecular recognition capability to the complex. In this manuscript, a comprehensive discussion will be endowed with the recognition capability of different kinds of DNA hydrogels and the alternation in physicochemical behaviors upon target introducing. Finally, we offer a vision into the future landscape of DNA based hydrogels in sensing applications.
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Affiliation(s)
- Sima Khajouei
- Department of Biology, Faculty of Sciences, Shahid Bahonar University of Kerman, Kerman, Iran
| | - Hadi Ravan
- Department of Biology, Faculty of Sciences, Shahid Bahonar University of Kerman, Kerman, Iran.
| | - Ali Ebrahimi
- Department of Biology, Faculty of Sciences, Shahid Bahonar University of Kerman, Kerman, Iran
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Liu D, Wang J, Wu L, Huang Y, Zhang Y, Zhu M, Wang Y, Zhu Z, Yang C. Trends in miniaturized biosensors for point-of-care testing. Trends Analyt Chem 2020. [DOI: 10.1016/j.trac.2019.115701] [Citation(s) in RCA: 68] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Guo S, Schlecht W, Li L, Dong WJ. Paper-based cascade cationic isotachophoresis: Multiplex detection of cardiac markers. Talanta 2019; 205:120112. [PMID: 31450472 PMCID: PMC6858795 DOI: 10.1016/j.talanta.2019.07.007] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2019] [Revised: 07/01/2019] [Accepted: 07/01/2019] [Indexed: 01/03/2023]
Abstract
Paper-based analytical devices (PADs) are widely used in point-of-care testing (POCT) as they are cost-effective, simple and straightforward. However, poor sensitivity hinders their use in detecting diseases with low abundance biomarkers. The poor detection limit of PADs is mainly attributed to the low concentration of analytes, and the complexity of biological fluid, leading to insufficient interactions between analytes and capture antibodies. This study aims to overcome these difficulties by developing a paper-based cationic isotachophoresis (ITP) approach for simultaneously detecting pico-molar levels of two essential cardiac protein markers: acidic troponin T (cTnT) and basic troponin I (cTnI) spiked into human serum samples. The approach utilizes 3-aminopropyltrimethoxysilane (APTMS) treated glass fiber papers with decreasing cross-sectional area assembled on a 3D printed cartridge device. Our results showed that in the presence of cTnT monoclonal antibody (mAb), fluorescently labeled cTnI and cTnT could be effectively enriched in cationic ITP. Each individual target was captured subsequently by a test line in the detection zone where the capture mAb was immobilized. Detailed analysis suggests that the technology is capable of simultaneous on-board depletion of abundant plasma proteins and enrichment of cTnI/cTnT by ~1300-fold with a sensitivity of 0.6 pmol/L for cTnT and a sensitivity of 1.5 pmol/L for cTnI in less than 6 min. The results demonstrate the potential of this technology for rapid, ultra-sensitive and cost-effective analysis of multiplex protein markers in clinical serum samples at point of care.
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Affiliation(s)
- Shuang Guo
- Gene and Linda Voiland School of Chemical Engineering and Bioengineering, Washington State University, Pullman, WA, USA
| | - William Schlecht
- Gene and Linda Voiland School of Chemical Engineering and Bioengineering, Washington State University, Pullman, WA, USA
| | - Lei Li
- School of Mechanical and Materials Engineering, Washington State University, Pullman, WA, USA
| | - Wen-Ji Dong
- Gene and Linda Voiland School of Chemical Engineering and Bioengineering, Washington State University, Pullman, WA, USA; Department of Integrative Physiology and Neuroscience, Washington State University, Pullman, WA, USA.
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Abstract
There is now a wealth of evidence showing that communication between microbiota and the host is critical to sustain the vital functions of the healthy host, and disruptions of this homeostatic coexistence are known to be associated with a range of diseases including obesity and type 2 diabetes. Microbiota-derived metabolites act both as nutrients and as messenger molecules and can signal to distant organs in the body to shape host pathophysiology. In this review, we provide a new perspective on succinate as a gut microbiota-derived metabolite with a key role governing intestinal homeostasis and energy metabolism. Thus, succinate is not merely a major intermediary of the TCA traditionally considered as an extracellular danger signal in the host, but also a by-product of some bacteria and a primary cross-feeding metabolite between gut resident microbes. In addition to maintain a healthy microbiome, specific functions of microbiota-derived succinate in peripheral tissues regulating host nutrient metabolism should not be rule out. Indeed, recent research point to some probiotic interventions directed to modulate succinate levels in the intestinal lumen, as a new microbiota-based therapies to treat obesity and related co-morbidities. While further research is essential, a large body of evidence point to succinate as a new strategic mediator in the microbiota-host cross-talk, which might provide the basis for new therapeutically approaches in a near future.
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Affiliation(s)
- Sonia Fernández-Veledo
- Departament of Endocrinology and Nutrition and Research Unit, University Hospital of Tarragona Joan XXIII-Institut d'Investigació Sanitària Pere Virgili (IISPV), c/ Dr. Mallafré Guasch, 4, 43007, Tarragona, Spain.
- CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM)-Instituto de Salud Carlos III, Madrid, Spain.
| | - Joan Vendrell
- Departament of Endocrinology and Nutrition and Research Unit, University Hospital of Tarragona Joan XXIII-Institut d'Investigació Sanitària Pere Virgili (IISPV), c/ Dr. Mallafré Guasch, 4, 43007, Tarragona, Spain
- CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM)-Instituto de Salud Carlos III, Madrid, Spain
- Rovira i Virgili University, Tarragona, Spain
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Saylan Y, Denizli A. Molecularly Imprinted Polymer-Based Microfluidic Systems for Point-of-Care Applications. MICROMACHINES 2019; 10:mi10110766. [PMID: 31717964 PMCID: PMC6915378 DOI: 10.3390/mi10110766] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Revised: 11/06/2019] [Accepted: 11/08/2019] [Indexed: 01/14/2023]
Abstract
Fast progress has been witnessed in the field of microfluidic systems and allowed outstanding approaches to portable, disposable, low-cost, and easy-to-operate platforms especially for monitoring health status and point-of-care applications. For this purpose, molecularly imprinted polymer (MIP)-based microfluidics systems can be synthesized using desired templates to create specific and selective cavities for interaction. This technique guarantees a wide range of versatility to imprint diverse sets of biomolecules with different structures, sizes, and physical and chemical features. Owing to their physical and chemical robustness, cost-friendliness, high stability, and reusability, MIP-based microfluidics systems have become very attractive modalities. This review is structured according to the principles of MIPs and microfluidic systems, the integration of MIPs with microfluidic systems, the latest strategies and uses for point-of-care applications and, finally, conclusions and future perspectives.
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Fu G, Zhu Y, Wang W, Zhou M, Li X. Spatiotemporally Controlled Multiplexed Photothermal Microfluidic Pumping under Monitoring of On-Chip Thermal Imaging. ACS Sens 2019; 4:2481-2490. [PMID: 31452364 DOI: 10.1021/acssensors.9b01109] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Intelligent contactless microfluidic pumping strategies have been increasingly desirable for operation of lab-on-a-chip devices. Herein, we present a photothermal microfluidic pumping strategy for on-chip multiplexed cargo transport in a contactless and spatiotemporally controllable fashion based on the application of near-infrared laser-driven photothermal effect in microfluidic paper-based devices (μPDs). Graphene oxide (GO)-doped thermoresponsive poly(N-isopropylacrylamide)-acrylamide hydrogels served as the photothermally responsive cargo reservoirs on the μPDs. In response to remote contactless irradiation by an 808 nm laser, on-chip phase transition of the composite hydrogels was actuated in a switchlike manner as a result of the photothermal effect of GO, enabling robust on-chip pumping of cargoes from the hydrogels to predefined arrays of reaction zones. The thermal imaging technique was employed to monitor the on-chip photothermal pumping process. The microfluidic pumping performance can be spatiotemporally controlled in a quantitative way by remotely tuning the laser power, irradiation time, and GO concentration. The pumping strategy was exemplified by FeCl3 and horseradish peroxidase as the model cargoes to implement on-chip Prussian blue- and 3,3',5,5'-tetramethylbenzidine-based colorimetric reactions, respectively. Furthermore, multiplexed on-demand microfluidic pumping was achieved by flexibly adjusting the irradiation pathway and the microfluidic pattern. The new microfluidic pumping strategy shows great promise for diverse microfluidic applications due to its flexibility, high integratability into lab-on-a-chip devices, and contactless and spatiotemporal controllability.
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Affiliation(s)
- Guanglei Fu
- Biomedical Engineering Research Center, Medical School of Ningbo University, Ningbo 315211, Zhejiang, P. R. China
| | - Yabin Zhu
- Biomedical Engineering Research Center, Medical School of Ningbo University, Ningbo 315211, Zhejiang, P. R. China
| | - Weihua Wang
- The Affiliated Hospital of Medical School of Ningbo University, Ningbo 315020, Zhejiang, P. R. China
| | - Mi Zhou
- Biomedical Engineering Research Center, Medical School of Ningbo University, Ningbo 315211, Zhejiang, P. R. China
| | - XiuJun Li
- Department of Chemistry and Biochemistry, University of Texas at El Paso, 500 West University Avenue, El Paso, Texas 79968, United States
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Fu G, Zhu Y, Xu K, Wang W, Hou R, Li X. Photothermal Microfluidic Sensing Platform Using Near-Infrared Laser-Driven Multiplexed Dual-Mode Visual Quantitative Readout. Anal Chem 2019; 91:13290-13296. [PMID: 31508942 DOI: 10.1021/acs.analchem.9b04059] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
The application of different sensing principles in microfluidic devices opens up further possibilities for the development of point-of-care testing (POCT). Herein, the photothermal sensing principle is introduced in microfluidic paper-based analytical devices (μPADs) to develop a photothermal microfluidic sensing platform using near-infrared (NIR) laser-driven multiplexed dual-mode visual quantitative readout. Prussian blue (PB) as the analyte-associated photothermal agent was in situ synthesized in thermoresponsive poly(N-isopropylacrylamide) hydrogels to serve as the on-chip photothermal sensing element. The NIR laser-driven photothermal effect of PB triggered not only on-chip dose-dependent heat generation but also phase transition-induced dye release from the hydrogels, simultaneously enabling both thermal image- and distance-based dual-mode visual quantitative readout of the analyte concentration in a multiplexed manner. Both the on-chip temperature elevation value of the hydrogels and the traveling distance of released dye solutions were proportional to the concentration of PB. With the detection of silver ions in environmental water as a proof-of-concept study, the photothermal μPAD can detect silver ions at a concentration as low as 0.25 μM with high selectivity and satisfactory accuracy. The photothermal microfluidic sensing platform holds great potential for POCT with promising integratability and broad applicability, owing to the combination of synergistic advantages of the photothermal sensing principle, μPADs, and photothermally responsive hydrogels.
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Affiliation(s)
- Guanglei Fu
- Biomedical Engineering Research Center , Medical School of Ningbo University , Ningbo , Zhejiang 315211 , P. R. China
| | - Yabin Zhu
- Biomedical Engineering Research Center , Medical School of Ningbo University , Ningbo , Zhejiang 315211 , P. R. China
| | - Kui Xu
- Biomedical Engineering Research Center , Medical School of Ningbo University , Ningbo , Zhejiang 315211 , P. R. China
| | - Weihua Wang
- The Affiliated Hospital of Medical School of Ningbo University , Ningbo , Zhejiang 315020 , P. R. China
| | - Ruixia Hou
- Biomedical Engineering Research Center , Medical School of Ningbo University , Ningbo , Zhejiang 315211 , P. R. China
| | - Xiujun Li
- Department of Chemistry and Biochemistry , University of Texas at El Paso , 500 West University Avenue , El Paso , Texas 79968 , United States
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Liu MM, Lian X, Guo ZZ, Liu H, Lei Y, Chen Y, Chen W, Lin XH, Liu AL, Xia XH. Improving quantitative control and homogeneous distribution of samples on paper-based analytical devices via drop-on-demand inkjet printing. Analyst 2019; 144:4013-4023. [PMID: 31139775 DOI: 10.1039/c9an00481e] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
A standard desktop printer with multiple ink cartridges can accurately deposit a broad variety of biomaterials on microfluidic paper-based analytical devices (μPADs) which have been extensively applied to environmental monitoring and screening of food and beverage contamination. Finding ways to realize sample quantitative control by tuning the CMYK value, however, remains challenging. Herein, we studied the influence of the CMYK value on the ink volume jetted by ink cartridges. The regularity research on a single-color and two-colors was performed in two print mode-grayscale printing and color printing. The results demonstrated that the number of ink dots increased with the increase of the gray value and opacity value, which means that the amount of the bio-ink increases with the increase of the CMYK value. The 3,3',5,5'-tetramethylbenzidine-horseradish peroxidase-hydrogen peroxide, glucose oxidase-horseradish peroxidase and bull serum albumin-citrate buffer-tetrabromophenol blue systems were chosen as examples to prove the print regularity. Samples and assay reagents can be quantitatively deposited on a substrate by adjusting the CMYK value with as many as four ink cartridges. The present approach has been successfully applied to assay the targets in real serum samples, showing the potential application of the most common office piezoelectric printer in μPADs.
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Affiliation(s)
- Meng-Meng Liu
- Department of Pharmaceutical Analysis, Higher Educational Key Laboratory for Nano Biomedical Technology of Fujian Province, Faculty of Pharmacy, Fujian Medical University, Fuzhou 350122, China.
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Márquez A, Aymerich J, Dei M, Rodríguez-Rodríguez R, Vázquez-Carrera M, Pizarro-Delgado J, Giménez-Gómez P, Merlos Á, Terés L, Serra-Graells F, Jiménez-Jorquera C, Domínguez C, Muñoz-Berbel X. Reconfigurable multiplexed point of Care System for monitoring type 1 diabetes patients. Biosens Bioelectron 2019; 136:38-46. [DOI: 10.1016/j.bios.2019.04.015] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2019] [Revised: 04/02/2019] [Accepted: 04/07/2019] [Indexed: 01/15/2023]
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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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Dietvorst J, Goyvaerts J, Ackermann TN, Alvarez E, Muñoz-Berbel X, Llobera A. Microfluidic-controlled optical router for lab on a chip. LAB ON A CHIP 2019; 19:2081-2088. [PMID: 31114831 DOI: 10.1039/c9lc00143c] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
In multiplexed analysis, lab on a chip (LoC) devices are advantageous due to the low sample and reagent volumes required. Although optical detection is preferred for providing high sensitivity in a contactless configuration, multiplexed optical LoCs are limited by the technological complexity for integrating multiple light sources and detectors in a single device. To address this issue, we present a microfluidic-controlled optical router that enables measurement in four individual optical channels using a single light source and detector, and without movable parts. The optofluidic device is entirely fabricated in polydimethylsiloxane (PDMS) by soft-lithography, compatible with standard microfabrication technologies, enabling monolithic integration in LoCs. In the device, in-coupled light from an optical fiber is collimated by a polymeric micro-lens and guided through a set of four sequentially connected micro-chambers. When a micro-chamber is filled with water, light is transmitted to the next one. If it is empty of liquid, however, total internal reflection (TIR) occurs at the PDMS-air interface, re-directing the light to the output optical fiber. The router presents high performance, with low cross-talk (<2%) and high switching frequencies (up to 0.343 ± 0.006 Hz), and provides a stable signal for up to 91% of the switching time. With this miniaturized, low-cost, simple and robust design, we expect the current technology to be integrated in the new generation of multiplexed photonic LoCs for biomarker analysis, even at the point of care.
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Affiliation(s)
- Jiri Dietvorst
- Institut de Microelectrònica de Barcelona (IMB-CNM, CSIC), Campus UAB, 08193 Bellaterra, Barcelona, Spain.
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Fraser LA, Cheung YW, Kinghorn AB, Guo W, Shiu SCC, Jinata C, Liu M, Bhuyan S, Nan L, Shum HC, Tanner JA. Microfluidic Technology for Nucleic Acid Aptamer Evolution and Application. ACTA ACUST UNITED AC 2019; 3:e1900012. [PMID: 32627415 DOI: 10.1002/adbi.201900012] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2019] [Revised: 03/12/2019] [Indexed: 12/18/2022]
Abstract
The intersection of microfluidics and aptamer technologies holds particular promise for rapid progress in a plethora of applications across biomedical science and other areas. Here, the influence of microfluidics on the field of aptamers, from traditional capillary electrophoresis approaches through innovative modern-day approaches using micromagnetic beads and emulsion droplets, is reviewed. Miniaturizing aptamer-based bioassays through microfluidics has the potential to transform diagnostics and embedded biosensing in the coming years.
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Affiliation(s)
- Lewis A Fraser
- School of Biomedical Sciences, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong (SAR), China
| | - Yee-Wai Cheung
- School of Biomedical Sciences, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong (SAR), China
| | - Andrew B Kinghorn
- School of Biomedical Sciences, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong (SAR), China
| | - Wei Guo
- Department of Mechanical Engineering, Faculty of Engineering, The University of Hong Kong, Hong Kong (SAR), China
| | - Simon Chi-Chin Shiu
- School of Biomedical Sciences, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong (SAR), China
| | - Chandra Jinata
- School of Biomedical Sciences, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong (SAR), China
| | - Mengping Liu
- School of Biomedical Sciences, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong (SAR), China
| | - Soubhagya Bhuyan
- School of Biomedical Sciences, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong (SAR), China
| | - Lang Nan
- Department of Mechanical Engineering, Faculty of Engineering, The University of Hong Kong, Hong Kong (SAR), China
| | - Ho Cheung Shum
- Department of Mechanical Engineering, Faculty of Engineering, The University of Hong Kong, Hong Kong (SAR), China
| | - Julian A Tanner
- School of Biomedical Sciences, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong (SAR), China
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Control of capillary behavior through target-responsive hydrogel permeability alteration for sensitive visual quantitative detection. Nat Commun 2019; 10:1036. [PMID: 30850603 PMCID: PMC6408548 DOI: 10.1038/s41467-019-08952-1] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2018] [Accepted: 02/04/2019] [Indexed: 12/22/2022] Open
Abstract
DNA hydrogels have received considerable attention in analytical science, however, some limitations still exist in the applications of intelligent hydrogels. In this paper, we describe a way to prepare gel film in a capillary tube based on the thermal reversible principle of DNA hydrogel and the principle of capillary action. Because of the slight change in the internal structure of gel, its permeability can be increased by the addition of some specific targets. The capillary behavior is thus changed due to the different permeability of the hydrogel film. The duration time of the target solution flowing through the capillary tube with a specified length is used to quantify this change. With this proposed method, ultra-trace DNA hydrogel (0.01 μL) is sufficient to realize the sensitive detection of cocaine without the aid of other instruments, which has a low detection limit (1.17 nM) and good selectivity. DNA hydrogels have received considerable attention in analytical science but limitations still exist in the applications of intelligent hydrogels. Here, the authors describe a DNA hydrogel sensor for quantitative detection of cocaine based on the permeability change in a DNA hydrogel film.
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Optical fiber amplifier for quantitative and sensitive point-of-care testing of myoglobin and miRNA-141. Biosens Bioelectron 2019; 129:87-92. [DOI: 10.1016/j.bios.2018.12.056] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2018] [Revised: 12/15/2018] [Accepted: 12/18/2018] [Indexed: 12/24/2022]
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Guo S, Jacroux T, Ivory CF, Li L, Dong WJ. Immunobinding-induced alteration in the electrophoretic mobility of proteins: An approach to studying the preconcentration of an acidic protein under cationic isotachophoresis. Electrophoresis 2019; 40:1314-1321. [PMID: 30656700 DOI: 10.1002/elps.201800441] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2018] [Revised: 01/05/2019] [Accepted: 01/06/2019] [Indexed: 01/28/2023]
Abstract
The objective of this study is to explore an approach for analyzing negatively charged proteins using paper-based cationic ITP. The rationale of electrophoretic focusing the target protein with negative charges under unfavorable cationic ITP condition is to modify the electrophoretic mobility of the target protein through antigen-antibody immunobinding. Cationic ITP was performed on a paper-based analytical device that was fabricated using fiberglass paper. The paper matrix was modified with (3-aminopropyl)trimethoxysilane to minimize sample attraction to the surface for cationic ITP. Negatively charged BSA was used as the model target protein for the cationic ITP experiments. No electrophoretic mobility was observed for BSA-only samples during cationic ITP experimental condition. However, the presence of a primary antibody to BSA significantly improved the electrokinetic behavior of the target protein. Adding a secondary antibody conjugated with amine-rich quantum dots to the sample further facilitated the concentrating effect of ITP, reduced experiment time, and elevated the stacking ratio. Under our optimized experimental conditions, the cationic ITP-based paper device electrophoretically stacked 94% of loaded BSA in less than 7 min. Our results demonstrate that the technique has a broad potential for rapid and cost-effective isotachphoretic analysis of multiplex protein biomarkers in serum samples at the point of care.
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Affiliation(s)
- Shuang Guo
- Gene and Linda Voiland School of Chemical Engineering and Bioengineering, Washington State University, Pullman, WA, USA
| | - Thomas Jacroux
- Gene and Linda Voiland School of Chemical Engineering and Bioengineering, Washington State University, Pullman, WA, USA
| | - Cornelius F Ivory
- Gene and Linda Voiland School of Chemical Engineering and Bioengineering, Washington State University, Pullman, WA, USA
| | - Lei Li
- School of Mechanical and Materials Engineering, Washington State University, Pullman, WA, USA
| | - Wen-Ji Dong
- Gene and Linda Voiland School of Chemical Engineering and Bioengineering, Washington State University, Pullman, WA, USA.,Department of Integrative Physiology and Neuroscience, Washington State University, Pullman, WA, USA
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Ultrasensitive and portable assay of mercury (II) ions via gas pressure as readout. Biosens Bioelectron 2018; 122:32-36. [DOI: 10.1016/j.bios.2018.09.020] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Revised: 08/22/2018] [Accepted: 09/05/2018] [Indexed: 01/24/2023]
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50
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Song Y, Lin B, Tian T, Xu X, Wang W, Ruan Q, Guo J, Zhu Z, Yang C. Recent Progress in Microfluidics-Based Biosensing. Anal Chem 2018; 91:388-404. [DOI: 10.1021/acs.analchem.8b05007] [Citation(s) in RCA: 61] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Yanling Song
- Institute of Molecular Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, China
| | - Bingqian Lin
- MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, the Key Laboratory of Chemical Biology of Fujian Province, State Key Laboratory of Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials, Department of Chemical Biology, Department of Chemical Engineering, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
| | - Tian Tian
- MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, the Key Laboratory of Chemical Biology of Fujian Province, State Key Laboratory of Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials, Department of Chemical Biology, Department of Chemical Engineering, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
| | - Xing Xu
- MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, the Key Laboratory of Chemical Biology of Fujian Province, State Key Laboratory of Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials, Department of Chemical Biology, Department of Chemical Engineering, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
| | - Wei Wang
- Institute of Molecular Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, China
| | - Qingyu Ruan
- MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, the Key Laboratory of Chemical Biology of Fujian Province, State Key Laboratory of Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials, Department of Chemical Biology, Department of Chemical Engineering, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
| | - Jingjing Guo
- MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, the Key Laboratory of Chemical Biology of Fujian Province, State Key Laboratory of Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials, Department of Chemical Biology, Department of Chemical Engineering, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
| | - Zhi Zhu
- MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, the Key Laboratory of Chemical Biology of Fujian Province, State Key Laboratory of Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials, Department of Chemical Biology, Department of Chemical Engineering, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
| | - Chaoyong Yang
- Institute of Molecular Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, China
- MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, the Key Laboratory of Chemical Biology of Fujian Province, State Key Laboratory of Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials, Department of Chemical Biology, Department of Chemical Engineering, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
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