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Boonkaew S, Szot-Karpińska K, Niedziółka-Jönsson J, de Marco A, Jönsson-Niedziółka M. NFC Smartphone-Based Electrochemical Microfluidic Device Integrated with Nanobody Recognition for C-Reactive Protein. ACS Sens 2024; 9:3066-3074. [PMID: 38877998 DOI: 10.1021/acssensors.4c00249] [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: 06/29/2024]
Abstract
Point-of-care testing (POCT) devices play a crucial role as tools for disease diagnostics, and the integration of biorecognition elements with electronic components into these devices widens their functionalities and facilitates the development of complex quantitative assays. Unfortunately, biosensors that exploit large conventional IgG antibodies to capture relevant biomarkers are often limited in terms of sensitivity, selectivity, and storage stability, considerably restricting the use of POCT in real-world applications. Therefore, we used nanobodies as they are more suitable for fabricating electrochemical biosensors with near-field communication (NFC) technology. Moreover, a flow-through microfluidic device was implemented in this system for the detection of C-reactive protein (CRP), an inflammation biomarker, and a model analyte. The resulting sensors not only have high sensitivity and portability but also retain automated sequential flow properties through capillary transport without the need for an external pump. We also compared the accuracy of CRP quantitative analyses between commercial PalmSens4 and NFC-based potentiostats. Furthermore, the sensor reliability was evaluated using three biological samples (artificial serum, plasma, and whole blood without any pretreatment). This platform will streamline the development of POCT devices by combining operational simplicity, low cost, fast analysis, and portability.
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Affiliation(s)
- Suchanat Boonkaew
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, Warsaw 01-224, Poland
| | - Katarzyna Szot-Karpińska
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, Warsaw 01-224, Poland
| | | | - Ario de Marco
- Laboratory for Environmental and Life Sciences, University of Nova Gorica, Vipavska cesta 13, 5000 Nova Gorica, Slovenia
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Kumar DR, Banaś A, Krukiewicz K. Challenges and Advances in Biomarker Detection for Rapid and Accurate Sepsis Diagnosis: An Electrochemical Approach. BIOSENSORS 2024; 14:309. [PMID: 38920613 PMCID: PMC11202072 DOI: 10.3390/bios14060309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/01/2024] [Revised: 06/09/2024] [Accepted: 06/11/2024] [Indexed: 06/27/2024]
Abstract
Sepsis is a life-threatening condition with high mortality rates due to delayed treatment of patients. The conventional methodology for blood diagnosis takes several hours, which suspends treatment, limits early drug administration, and affects the patient's recovery. Thus, rapid, accurate, bedside (onsite), economical, and reliable sepsis biomarker reading of the clinical sample is an emergent need for patient lifesaving. Electrochemical label-free biosensors are specific and rapid devices that are able to perform analysis at the patient's bedside; thus, they are considered an attractive methodology in a clinical setting. To reveal their full diagnostic potential, electrode architecture strategies of fabrication are highly desirable, particularly those able to preserve specific antibody-antigen attraction, restrict non-specific adsorption, and exhibit high sensitivity with a low detection limit for a target biomarker. The aim of this review is to provide state-of-the-art methodologies allowing the fabrication of ultrasensitive and highly selective electrochemical sensors for sepsis biomarkers. This review focuses on different methods of label-free biomarker sensors and discusses their advantages and disadvantages. Then, it highlights effective ways of avoiding false results and the role of molecular labels and functionalization. Recent literature on electrode materials and antibody grafting strategies is discussed, and the most efficient methodology for overcoming the non-specific attraction issues is listed. Finally, we discuss the existing electrode architecture for specific biomarker readers and promising tactics for achieving quick and low detection limits for sepsis biomarkers.
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Affiliation(s)
- Deivasigamani Ranjith Kumar
- Centre for Organic and Nanohybrid Electronics, Silesian University of Technology, Konarskiego 22B, 44-100 Gliwice, Poland;
| | - Angelika Banaś
- Department of Physical Chemistry and Technology of Polymers, Silesian University of Technology, M. Strzody 9, 44-100 Gliwice, Poland;
| | - Katarzyna Krukiewicz
- Centre for Organic and Nanohybrid Electronics, Silesian University of Technology, Konarskiego 22B, 44-100 Gliwice, Poland;
- Department of Physical Chemistry and Technology of Polymers, Silesian University of Technology, M. Strzody 9, 44-100 Gliwice, Poland;
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Chen SJ, Lu SY, Tseng CC, Huang KH, Chen TL, Fu LM. Rapid Microfluidic Immuno-Biosensor Detection System for the Point-of-Care Determination of High-Sensitivity Urinary C-Reactive Protein. BIOSENSORS 2024; 14:283. [PMID: 38920587 PMCID: PMC11201708 DOI: 10.3390/bios14060283] [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: 04/23/2024] [Revised: 05/20/2024] [Accepted: 05/28/2024] [Indexed: 06/27/2024]
Abstract
A microfluidic immuno-biosensor detection system consisting of a microfluidic spectrum chip and a micro-spectrometer detection device is presented for the rapid point-of-care (POC) detection and quantification of high-sensitivity C-reactive protein (hs-CRP) in urine. The detection process utilizes a highly specific enzyme-linked immunosorbent assay (ELISA) method, in which capture antibodies and detection antibodies are pre-deposited on the substrate of the microchip and used to form an immune complex with the target antigen. Horseradish peroxidase (HRP) is added as a marker enzyme, followed by a colorimetric reaction using 3,3',5,5'-tetramethylbenzidine (TMB). The absorbance values (a.u.) of the colorimetric reaction compounds are measured using a micro-spectrometer device and used to measure the corresponding hs-CRP concentration according to the pre-established calibration curve. It is shown that the hs-CRP concentration can be determined within 50 min. In addition, the system achieves recovery rates of 93.8-106.2% in blind water samples and 94.5-104.6% in artificial urine. The results showed that the CRP detection results of 41 urine samples from patients with chronic kidney disease (CKD) were highly consistent with the conventional homogeneous particle-enhanced turbidimetric immunoassay (PETIA) method's detection results (R2 = 0.9910). The experimental results showed its applicability in the detection of CRP in both urine and serum. Overall, the results indicate that the current microfluidic ELISA detection system provides an accurate and reliable method for monitoring the hs-CRP concentration in point-of-care applications.
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Affiliation(s)
- Szu-Jui Chen
- Department of Engineering Science, National Cheng Kung University, Tainan 70101, Taiwan; (S.-J.C.); (S.-Y.L.); (K.-H.H.); (T.-L.C.)
| | - Song-Yu Lu
- Department of Engineering Science, National Cheng Kung University, Tainan 70101, Taiwan; (S.-J.C.); (S.-Y.L.); (K.-H.H.); (T.-L.C.)
| | - Chin-Chung Tseng
- Division of Nephrology, Department of Internal Medicine, National Cheng Kung University Hospital, Tainan 70101, Taiwan;
- College of Medicine, National Cheng Kung University, Tainan 70101, Taiwan
| | - Kuan-Hsun Huang
- Department of Engineering Science, National Cheng Kung University, Tainan 70101, Taiwan; (S.-J.C.); (S.-Y.L.); (K.-H.H.); (T.-L.C.)
| | - To-Lin Chen
- Department of Engineering Science, National Cheng Kung University, Tainan 70101, Taiwan; (S.-J.C.); (S.-Y.L.); (K.-H.H.); (T.-L.C.)
| | - Lung-Ming Fu
- Department of Engineering Science, National Cheng Kung University, Tainan 70101, Taiwan; (S.-J.C.); (S.-Y.L.); (K.-H.H.); (T.-L.C.)
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Jiang S, Qian S, Zhu S, Lu J, Hu Y, Zhang C, Geng Y, Chen X, Guo Y, Chen Z, Pu J, Guo Z, Liu S. A Point-of-Care Testing Device Utilizing Graphene-Enhanced Fiber Optic SPR Sensor for Real-Time Detection of Infectious Pathogens. BIOSENSORS 2023; 13:1029. [PMID: 38131789 PMCID: PMC10741924 DOI: 10.3390/bios13121029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 12/04/2023] [Accepted: 12/08/2023] [Indexed: 12/23/2023]
Abstract
Timely detection of highly infectious pathogens is essential for preventing and controlling public health risks. However, most traditional testing instruments require multiple tedious steps and ultimately testing in hospitals and third-party laboratories. The sample transfer process significantly prolongs the time to obtain test results. To tackle this aspect, a portable fiber optic surface plasmon resonance (FO-SPR) device was developed for the real-time detection of infectious pathogens. The portable device innovatively integrated a compact FO-SPR sensing component, a signal acquisition and processing system, and an embedded power supply unit. A gold-plated fiber is used as the FO-SPR sensing probe. Compared with traditional SPR sensing systems, the device is smaller size, lighter weight, and higher convenience. To enhance the detection capacity of pathogens, a monolayer graphene was coated on the sensing region of the FO-SPR sensing probe. Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) was used to evaluate the performance of the portable device. The device can accurately detect the SARS-CoV-2 spike S1 protein in phosphate-buffered saline (PBS) and artificial saliva within just 20 min, and the device successfully detected cultured SARS-CoV-2 virus. Furthermore, the FO-SPR probe has long-term stability, remaining stable for up to 8 days. It could distinguish between the SARS-CoV-2 spike protein and the MERS-CoV spike protein. Hence, this FO-SPR device provides reliable, rapid, and portable access to test results. It provides a promising point-of-care testing (POCT) tool for on-site screening of infectious pathogens.
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Affiliation(s)
- Shiyu Jiang
- Heilongjiang Provincial Key Laboratory of Metamaterials Physics and Device, Heilongjiang University, Harbin 150080, China; (S.J.); (S.Z.); (J.L.); (Y.H.); (Y.G.); (X.C.); (Y.G.)
- School of Electronic Engineering, Heilongjiang University, Harbin 150080, China
| | - Siyu Qian
- Heilongjiang Provincial Key Laboratory of Metamaterials Physics and Device, Heilongjiang University, Harbin 150080, China; (S.J.); (S.Z.); (J.L.); (Y.H.); (Y.G.); (X.C.); (Y.G.)
| | - Shunning Zhu
- Heilongjiang Provincial Key Laboratory of Metamaterials Physics and Device, Heilongjiang University, Harbin 150080, China; (S.J.); (S.Z.); (J.L.); (Y.H.); (Y.G.); (X.C.); (Y.G.)
| | - Jinxin Lu
- Heilongjiang Provincial Key Laboratory of Metamaterials Physics and Device, Heilongjiang University, Harbin 150080, China; (S.J.); (S.Z.); (J.L.); (Y.H.); (Y.G.); (X.C.); (Y.G.)
| | - Yunxin Hu
- Heilongjiang Provincial Key Laboratory of Metamaterials Physics and Device, Heilongjiang University, Harbin 150080, China; (S.J.); (S.Z.); (J.L.); (Y.H.); (Y.G.); (X.C.); (Y.G.)
- School of Electronic Engineering, Heilongjiang University, Harbin 150080, China
| | - Cheng Zhang
- Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun 130122, China; (C.Z.); (Z.C.); (J.P.); (Z.G.)
| | - Yikai Geng
- Heilongjiang Provincial Key Laboratory of Metamaterials Physics and Device, Heilongjiang University, Harbin 150080, China; (S.J.); (S.Z.); (J.L.); (Y.H.); (Y.G.); (X.C.); (Y.G.)
| | - Xuefeng Chen
- Heilongjiang Provincial Key Laboratory of Metamaterials Physics and Device, Heilongjiang University, Harbin 150080, China; (S.J.); (S.Z.); (J.L.); (Y.H.); (Y.G.); (X.C.); (Y.G.)
| | - Ying Guo
- Heilongjiang Provincial Key Laboratory of Metamaterials Physics and Device, Heilongjiang University, Harbin 150080, China; (S.J.); (S.Z.); (J.L.); (Y.H.); (Y.G.); (X.C.); (Y.G.)
| | - Zhaoliang Chen
- Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun 130122, China; (C.Z.); (Z.C.); (J.P.); (Z.G.)
| | - Jie Pu
- Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun 130122, China; (C.Z.); (Z.C.); (J.P.); (Z.G.)
| | - Zhendong Guo
- Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun 130122, China; (C.Z.); (Z.C.); (J.P.); (Z.G.)
| | - Shengchun Liu
- Heilongjiang Provincial Key Laboratory of Metamaterials Physics and Device, Heilongjiang University, Harbin 150080, China; (S.J.); (S.Z.); (J.L.); (Y.H.); (Y.G.); (X.C.); (Y.G.)
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