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Kousseff CJ, Wustoni S, Silva RKS, Lifer A, Savva A, Frey GL, Inal S, Nielsen CB. Single-Component Electroactive Polymer Architectures for Non-Enzymatic Glucose Sensing. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2308281. [PMID: 38520718 PMCID: PMC11251565 DOI: 10.1002/advs.202308281] [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: 10/31/2023] [Revised: 03/12/2024] [Indexed: 03/25/2024]
Abstract
Organic mixed ionic-electronic conductors (OMIECs) have emerged as promising materials for biological sensing, owing to their electrochemical activity, stability in an aqueous environment, and biocompatibility. Yet, OMIEC-based sensors rely predominantly on the use of composite matrices to enable stimuli-responsive functionality, which can exhibit issues with intercomponent interfacing. In this study, an approach is presented for non-enzymatic glucose detection by harnessing a newly synthesized functionalized monomer, EDOT-PBA. This monomer integrates electrically conducting and receptor moieties within a single organic component, obviating the need for complex composite preparation. By engineering the conditions for electrodeposition, two distinct polymer film architectures are developed: pristine PEDOT-PBA and molecularly imprinted PEDOT-PBA. Both architectures demonstrated proficient glucose binding and signal transduction capabilities. Notably, the molecularly imprinted polymer (MIP) architecture demonstrated faster stabilization upon glucose uptake while it also enabled a lower limit of detection, lower standard deviation, and a broader linear range in the sensor output signal compared to its non-imprinted counterpart. This material design not only provides a robust and efficient platform for glucose detection but also offers a blueprint for developing selective sensors for a diverse array of target molecules, by tuning the receptor units correspondingly.
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Affiliation(s)
| | - Shofarul Wustoni
- Organic Bioelectronics LaboratoryBiological and Environmental Science and EngineeringKing Abdullah University of Science and Technology (KAUST)Thuwal23955‐6900Saudi Arabia
| | - Raphaela K. S. Silva
- Organic Bioelectronics LaboratoryBiological and Environmental Science and EngineeringKing Abdullah University of Science and Technology (KAUST)Thuwal23955‐6900Saudi Arabia
| | - Ariel Lifer
- Department of Materials Science and EngineeringTechnion–Israel Institute of TechnologyHaifa32000Israel
| | - Achilleas Savva
- Bioelectronics SectionDepartment of MicroelectronicsFaculty of Electrical Engineering, Mathematics and Computer Science (EEMCS)Delft University of TechnologyDelft2628 CDThe Netherlands
| | - Gitti L. Frey
- Department of Materials Science and EngineeringTechnion–Israel Institute of TechnologyHaifa32000Israel
| | - Sahika Inal
- Organic Bioelectronics LaboratoryBiological and Environmental Science and EngineeringKing Abdullah University of Science and Technology (KAUST)Thuwal23955‐6900Saudi Arabia
| | - Christian B. Nielsen
- Department of ChemistryQueen Mary University of LondonMile End RoadLondonE1 4NSUK
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2
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Kumar S, Kaushal JB, Lee HP. Sustainable Sensing with Paper Microfluidics: Applications in Health, Environment, and Food Safety. BIOSENSORS 2024; 14:300. [PMID: 38920604 PMCID: PMC11202065 DOI: 10.3390/bios14060300] [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: 05/13/2024] [Revised: 06/04/2024] [Accepted: 06/05/2024] [Indexed: 06/27/2024]
Abstract
This manuscript offers a concise overview of paper microfluidics, emphasizing its sustainable sensing applications in healthcare, environmental monitoring, and food safety. Researchers have developed innovative sensing platforms for detecting pathogens, pollutants, and contaminants by leveraging the paper's unique properties, such as biodegradability and affordability. These portable, low-cost sensors facilitate rapid diagnostics and on-site analysis, making them invaluable tools for resource-limited settings. This review discusses the fabrication techniques, principles, and applications of paper microfluidics, showcasing its potential to address pressing challenges and enhance human health and environmental sustainability.
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Affiliation(s)
- Sanjay Kumar
- Durham School of Architectural Engineering and Construction, University of Nebraska-Lincoln, Scott Campus, Omaha, NE 68182-0816, USA
| | - Jyoti Bala Kaushal
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE 68198, USA
| | - Heow Pueh Lee
- Department of Mechanical Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore 117575, Singapore;
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3
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Sobahi N, Alam MM, Imran M, Khan ME, Mohammad A, Yoon T, Mehedi IM, Hussain MA, Abdulaal MJ, Jiman AA. Non-Enzymatic Glucose Sensors Composed of Polyaniline Nanofibers with High Electrochemical Performance. Molecules 2024; 29:2439. [PMID: 38893314 PMCID: PMC11173486 DOI: 10.3390/molecules29112439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2024] [Revised: 05/11/2024] [Accepted: 05/18/2024] [Indexed: 06/21/2024] Open
Abstract
The measurement of glucose concentration is a fundamental daily care for diabetes patients, and therefore, its detection with accuracy is of prime importance in the field of health care. In this study, the fabrication of an electrochemical sensor for glucose sensing was successfully designed. The electrode material was fabricated using polyaniline and systematically characterized using scanning electron microscopy, high-resolution transmission electron microscopy, X-ray diffraction, Fourier transform infrared spectroscopy, and UV-visible spectroscopy. The polyaniline nanofiber-modified electrode showed excellent detection ability for glucose with a linear range of 10 μM to 1 mM and a detection limit of 10.6 μM. The stability of the same electrode was tested for 7 days. The electrode shows high sensitivity for glucose detection in the presence of interferences. The polyaniline-modified electrode does not affect the presence of interferences and has a low detection limit. It is also cost-effective and does not require complex sample preparation steps. This makes it a potential tool for glucose detection in pharmacy and medical diagnostics.
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Affiliation(s)
- Nebras Sobahi
- Department of Electrical & Computer Engineering, Faculty of Engineering, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (N.S.)
| | - Md. Mottahir Alam
- Department of Electrical & Computer Engineering, Faculty of Engineering, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (N.S.)
| | - Mohd Imran
- Department of Chemical Engineering, College of Engineering, Jazan University, Jazan 45142, Saudi Arabia
| | - Mohammad Ehtisham Khan
- Department of Chemical Engineering Technology, College of Applied Industrial Technology, Jazan University, Jazan 45142, Saudi Arabia
| | - Akbar Mohammad
- School of Chemical Engineering, Yeungnam University, Gyeongsan-si 38541, Gyeongbuk-do, Republic of Korea
| | - Taeho Yoon
- School of Chemical Engineering, Yeungnam University, Gyeongsan-si 38541, Gyeongbuk-do, Republic of Korea
| | - Ibrahim M. Mehedi
- Department of Electrical & Computer Engineering, Faculty of Engineering, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (N.S.)
- Center of Excellence in Intelligent Engineering Systems (CEIES), King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Mohammad A. Hussain
- Department of Electrical & Computer Engineering, Faculty of Engineering, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (N.S.)
| | - Mohammed J. Abdulaal
- Department of Electrical & Computer Engineering, Faculty of Engineering, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (N.S.)
| | - Ahmad A. Jiman
- Department of Electrical & Computer Engineering, Faculty of Engineering, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (N.S.)
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4
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Li B, Dai Y, Shi C, Guo X, Chen Y, Zeng W. Flexible molecularly imprinted glucose sensor based on graphene sponge and Prussian blue. Bioelectrochemistry 2024; 156:108628. [PMID: 38104457 DOI: 10.1016/j.bioelechem.2023.108628] [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: 10/03/2023] [Revised: 12/10/2023] [Accepted: 12/11/2023] [Indexed: 12/19/2023]
Abstract
To enhance the sensitivity of flexible glucose sensors made with 3-aminophenylboronic acid and pyrrole as functional molecules and a carbon tri-electrode as substrate, graphene sponge (GS) and Prussian blue (PB) were used to enhance the charge transfer between the molecularly imprinted cavities and the electrodes. Electrochemical impedance spectroscopy and cyclic voltammetry showed that modifying the electrode with GS and PB significantly reduced the charge transfer impedance and increased the redox current of the sensor. The sensor has a sensitivity of up to 25.81 µA⋅loge (µM)-1⋅cm-2 for the detection of glucose using differential pulse voltammetry in the range of 7.78 to 600 µM, with a low detection limit of 1.08 μM (S/N = 3). When the pH varies in the range of 5.5 to 7.5, the sensor maintains a certain level of stability for glucose detection. The presence of lactic acid, urea, and ascorbic acid had minimal impact on glucose detection by the sensor. After 20 days of storage at room temperature, the sensor maintains 80 % efficiency. This study supports the development of wearable glucose sensors with high sensitivity, specificity, and stability through molecular imprinting.
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Affiliation(s)
- Bin Li
- Flexible Sensing Technology Research Center, Institute of Chemical Engineering, Guangdong Academy of Sciences, Guangzhou 510665, China
| | - Yongqiang Dai
- Flexible Sensing Technology Research Center, Institute of Chemical Engineering, Guangdong Academy of Sciences, Guangzhou 510665, China
| | - Chaosheng Shi
- Flexible Sensing Technology Research Center, Institute of Chemical Engineering, Guangdong Academy of Sciences, Guangzhou 510665, China
| | - Xinying Guo
- Flexible Sensing Technology Research Center, Institute of Chemical Engineering, Guangdong Academy of Sciences, Guangzhou 510665, China
| | - Yizhong Chen
- Flexible Sensing Technology Research Center, Institute of Chemical Engineering, Guangdong Academy of Sciences, Guangzhou 510665, China
| | - Wei Zeng
- Flexible Sensing Technology Research Center, Institute of Chemical Engineering, Guangdong Academy of Sciences, Guangzhou 510665, China.
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Li Y, Luo L, Kong Y, Li Y, Wang Q, Wang M, Li Y, Davenport A, Li B. Recent advances in molecularly imprinted polymer-based electrochemical sensors. Biosens Bioelectron 2024; 249:116018. [PMID: 38232451 DOI: 10.1016/j.bios.2024.116018] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2023] [Revised: 01/04/2024] [Accepted: 01/08/2024] [Indexed: 01/19/2024]
Abstract
Molecularly imprinted polymers (MIPs) are the equivalent of natural antibodies and have been widely used as synthetic receptors for the detection of disease biomarkers. Benefiting from their excellent chemical and physical stability, low-cost, relative ease of production, reusability, and high selectivity, MIP-based electrochemical sensors have attracted great interest in disease diagnosis and demonstrated superiority over other biosensing techniques. Here we compare various types of MIP-based electrochemical sensors with different working principles. We then evaluate the state-of-the-art achievements of the MIP-based electrochemical sensors for the detection of different biomarkers, including nucleic acids, proteins, saccharides, lipids, and other small molecules. The limitations, which prevent its successful translation into practical clinical settings, are outlined together with the potential solutions. At the end, we share our vision of the evolution of MIP-based electrochemical sensors with an outlook on the future of this promising biosensing technology.
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Affiliation(s)
- Yixuan Li
- Institute for Materials Discovery, University College London, London, WC1E 7JE, UK
| | - Liuxiong Luo
- School of Materials Science and Engineering, Central South University, Changsha, 410083, China
| | - Yingqi Kong
- Institute for Materials Discovery, University College London, London, WC1E 7JE, UK
| | - Yujia Li
- Institute for Materials Discovery, University College London, London, WC1E 7JE, UK
| | - Quansheng Wang
- Heilongjiang Academy of Traditional Chinese Medicine, Harbin, 150036, China
| | - Mingqing Wang
- Institute for Materials Discovery, University College London, London, WC1E 7JE, UK
| | - Ying Li
- Department of Brain Repair and Rehabilitation, Institute of Neurology, University College London, WC1N 3BG, UK
| | - Andrew Davenport
- Department of Renal Medicine, University College London, London, NW3 2PF, UK
| | - Bing Li
- Institute for Materials Discovery, University College London, London, WC1E 7JE, UK.
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6
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Batra JS, Chi TY, Huang MF, Zhu D, Chen Z, Lee DF, Kameoka J. Wearable Biosensor with Molecularly Imprinted Conductive Polymer Structure to Detect Lentivirus in Aerosol. BIOSENSORS 2023; 13:861. [PMID: 37754095 PMCID: PMC10527467 DOI: 10.3390/bios13090861] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 08/26/2023] [Accepted: 08/27/2023] [Indexed: 09/28/2023]
Abstract
The coronavirus disease (COVID-19) pandemic has increased pressure to develop low-cost, compact, user-friendly, and ubiquitous virus sensors for monitoring infection outbreaks in communities and preventing economic damage resulting from city lockdowns. As proof of concept, we developed a wearable paper-based virus sensor based on a molecular imprinting technique, using a conductive polyaniline (PANI) polymer to detect the lentivirus as a test sample. This sensor detected the lentivirus with a 4181 TU/mL detection limit in liquid and 0.33% to 2.90% detection efficiency in aerosols at distances ranging from 30 cm to 60 cm. For fabrication, a mixture of a PANI monomer solution and virus were polymerized together to form a conductive PANI sensing element on a polyethylene terephthalate (PET) paper substrate. The sensing element exhibited formation of virus recognition sites after the removal of the virus via ultrasound sonication. A dry measurement technique was established that showed aerosol virus detection by the molecularly imprinted sensors within 1.5 h of virus spraying. This was based on the mechanism via which dispensing virus droplets on the PANI sensing element induced hybridization of the virus and molecularly imprinted virus recognition templates in PANI, influencing the conductivity of the PANI film upon drying. Interestingly, the paper-based virus sensor was easily integrated with a wearable face mask for the detection of viruses in aerosols. Since the paper sensor with molecular imprinting of virus recognition sites showed excellent stability in dry conditions for long periods of time, unlike biological reagents, this wearable biosensor will offer an alternative approach to monitoring virus infections in communities.
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Affiliation(s)
- Jaskirat Singh Batra
- Department of Materials Science and Engineering, Texas A&M University, College Station, TX 77840, USA; (J.S.B.); (T.-Y.C.)
| | - Ting-Yen Chi
- Department of Materials Science and Engineering, Texas A&M University, College Station, TX 77840, USA; (J.S.B.); (T.-Y.C.)
| | - Mo-Fan Huang
- Department of Integrative Biology and Pharmacology, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA; (M.-F.H.); (D.Z.); (D.-F.L.)
- The University of Texas MD Anderson Cancer Center UTHealth Graduate School of Biomedical Sciences, Houston TX 77030, USA
| | - Dandan Zhu
- Department of Integrative Biology and Pharmacology, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA; (M.-F.H.); (D.Z.); (D.-F.L.)
| | - Zheyuan Chen
- Department of Electrical and Computer Engineering, Texas A&M University, College Station, TX 77843, USA;
| | - Dung-Fang Lee
- Department of Integrative Biology and Pharmacology, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA; (M.-F.H.); (D.Z.); (D.-F.L.)
- The University of Texas MD Anderson Cancer Center UTHealth Graduate School of Biomedical Sciences, Houston TX 77030, USA
| | - Jun Kameoka
- Department of Electrical and Computer Engineering, Texas A&M University, College Station, TX 77843, USA;
- Graduate School of Information, Production and System Research, Waseda University, Fukuoka 808-0135, Japan
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7
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Bossard B, Grothe RA, Martins AB, Lobato A, Tasić N, Paixão TRLC, Gonçalves LM. Nanographene laser-pyrolyzed paper electrodes for the impedimetric detection of d-glucose via a molecularly imprinted polymer. MONATSHEFTE FUR CHEMIE 2022. [DOI: 10.1007/s00706-022-02997-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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A deep eutectic solvent magnetic molecularly imprinted polymer for extraction of laminarin from seaweeds. Mikrochim Acta 2022; 189:399. [PMID: 36178521 DOI: 10.1007/s00604-022-05488-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Accepted: 09/06/2022] [Indexed: 10/14/2022]
Abstract
Magnetic molecular imprinted polymers (MIPs) based on 4-vinylbenzyltrimethylammonium chloride (VBTAC) and 4-vinylbenzoic acid (VBA) deep eutectic solvent as dual functional monomers was successfully synthesized for the specific recognition of laminarin. The MIPs were characterized by transmission electron microscopy, scanning electron microscopy, Fourier transform infrared spectroscopy, thermal gravimetric analysis, and vibrating sample magnetometer analysis. The results showed that the MIPs were spheres of a uniform size, with the surface rich in cavities and excellent superparamagnetism properties. The adsorption experiments showed that MIPs conform to pseudo-second-order kinetics and Langmuir isotherm adsorption. The maximum adsorption capacity under optimal conditions was 322.58 μg·mg-1 and the imprinting factor was 2.13. Under the optimized conditions, the limit of detection (LOD) of the developed material was 6.6 µM. Linearity of the material was obtained within the range 20-800 µM with a coefficient of determination (r2) being better 0.999. Relative standard deviations (RSDs) were less than 3.96%, and satisfactory recoveries were between 94.55 and 97.39%. The actual sample analysis manifested that MIPs could effectively separate laminarin from Laminarin japonica Aiesch.
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9
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Paper-Based Molecular-Imprinting Technology and Its Application. BIOSENSORS 2022; 12:bios12080595. [PMID: 36004991 PMCID: PMC9405720 DOI: 10.3390/bios12080595] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 07/28/2022] [Accepted: 08/02/2022] [Indexed: 11/24/2022]
Abstract
Paper-based analytical devices (PADs) are highly effective tools due to their low cost, portability, low reagent accumulation, and ease of use. Molecularly imprinted polymers (MIP) are also extensively used as biomimetic receptors and specific adsorption materials for capturing target analytes in various complex matrices due to their excellent recognition ability and structural stability. The integration of MIP and PADs (MIP-PADs) realizes the rapid, convenient, and low-cost application of molecular-imprinting analysis technology. This review introduces the characteristics of MIP-PAD technology and discusses its application in the fields of on-site environmental analysis, food-safety monitoring, point-of-care detection, biomarker detection, and exposure assessment. The problems and future development of MIP-PAD technology in practical application are also prospected.
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Murugan P, Annamalai J, Atchudan R, Govindasamy M, Nallaswamy D, Ganapathy D, Reshetilov A, Sundramoorthy AK. Electrochemical Sensing of Glucose Using Glucose Oxidase/PEDOT:4-Sulfocalix [4]arene/MXene Composite Modified Electrode. MICROMACHINES 2022; 13:mi13020304. [PMID: 35208428 PMCID: PMC8877456 DOI: 10.3390/mi13020304] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Revised: 02/09/2022] [Accepted: 02/13/2022] [Indexed: 12/12/2022]
Abstract
Glucose is one of the most important monosaccharides found in the food, as a part of more complex structures, which is a primary energy source for the brain and body. Thus, the monitoring of glucose concentration is more important in food and biological samples in order to maintain a healthy lifestyle. Herein, an electrochemical glucose biosensor was fabricated by immobilization of glucose oxidase (GOX) onto poly(3,4-ethylenedioxythiophene):4-sulfocalix [4]arene (PEDOT:SCX)/MXene modified electrode. For this purpose, firstly, PEDOT was synthesized in the presence of SCX (counterion) by the chemical oxidative method. Secondly, MXene (a 2D layered material) was synthesized by using a high-temperature furnace under a nitrogen atmosphere. After that, PEDOT:SCX/MXene (1:1) dispersion was prepared by ultrasonication which was later utilized to prepare PEDOT:SCX/MXene hybrid film. A successful formation of PEDOT:SCX/MXene film was confirmed by HR-SEM, Fourier transform infrared (FT-IR), and Raman spectroscopies. Due to the biocompatibility nature, successful immobilization of GOX was carried out onto chitosan modified PEDOT:SCX/MXene/GCE. Moreover, the electrochemical properties of PEDOT:SCX/MXene/GOX/GCE was studied through cyclic voltammetry and amperometry methods. Interestingly, a stable redox peak of FAD-GOX was observed at a formal potential of –0.435 V on PEDOT:SCX/MXene/GOX/GCE which indicated a direct electron transfer between the enzyme and the electrode surface. PEDOT:SCX/MXene/GOX/GCE also exhibited a linear response against glucose concentrations in the linear range from 0.5 to 8 mM. The effect of pH, sensors reproducibility, and repeatability of the PEDOT:SCX/MXene/GOX/GCE sensor were studied. Finally, this new biosensor was successfully applied to detect glucose in commercial fruit juice sample with satisfactory recovery.
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Affiliation(s)
- Preethika Murugan
- Department of Chemistry, SRM Institute of Science and Technology, Kattankulathur 603203, Tamil Nadu, India;
| | - Jayshree Annamalai
- Department of Biotechnology, SRM Institute of Science and Technology, Kattankulathur 603203, Tamil Nadu, India;
| | - Raji Atchudan
- School of Chemical Engineering, Yeungnam University, Gyeongsan 38541, Korea;
| | - Mani Govindasamy
- Department of Materials Engineering, Ming-Chi University of Technology, New Taipei City 243, Taiwan;
| | - Deepak Nallaswamy
- Department of Prosthodontics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Poonamallee High Road, Velappanchavadi, Chennai 600077, Tamil Nadu, India; (D.N.); (D.G.)
| | - Dhanraj Ganapathy
- Department of Prosthodontics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Poonamallee High Road, Velappanchavadi, Chennai 600077, Tamil Nadu, India; (D.N.); (D.G.)
| | - Anatoly Reshetilov
- G.K. Skryabin Institute of Biochemistry and Physiology of Microorganisms, Pushchino Centre for Biological Research, Russian Academy of Sciences, 142290 Pushchino, Russia;
| | - Ashok K. Sundramoorthy
- Department of Chemistry, SRM Institute of Science and Technology, Kattankulathur 603203, Tamil Nadu, India;
- Department of Prosthodontics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Poonamallee High Road, Velappanchavadi, Chennai 600077, Tamil Nadu, India; (D.N.); (D.G.)
- Correspondence:
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Lee WC, Ng HY, Hou CY, Lee CT, Fu LM. Recent advances in lab-on-paper diagnostic devices using blood samples. LAB ON A CHIP 2021; 21:1433-1453. [PMID: 33881033 DOI: 10.1039/d0lc01304h] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Lab-on-paper, or microfluidic paper-based analytical devices (μPADs), use paper as a substrate material, and are patterned with a system of microchannels, reaction zones and sensing elements to perform analysis and detection. The sample transfer in such devices is performed by capillary action. As a result, external driving forces are not required, and hence the size and cost of the device are significantly reduced. Lab-on-paper devices have thus attracted significant attention for point-of-care medical diagnostic purposes in recent years, particularly in less-developed regions of the world lacking medical resources and infrastructures. This review discusses the major advances in lab-on-paper technology for blood analysis and diagnosis in the past five years. The review focuses particularly on the many clinical applications of lab-on-paper devices, including diabetes diagnosis, acute myocardial infarction (AMI) detection, kidney function diagnosis, liver function diagnosis, cholesterol and triglyceride (TG) analysis, sickle-cell disease (SCD) and phenylketonuria (PKU) analysis, virus analysis, C-reactive protein (CRP) analysis, blood ion analysis, cancer factor analysis, and drug analysis. The review commences by introducing the basic transmission principles, fabrication methods, structural characteristics, detection techniques, and sample pretreatment process of modern lab-on-paper devices. A comprehensive review of the most recent applications of lab-on-paper devices to the diagnosis of common human diseases using blood samples is then presented. The review concludes with a brief summary of the main challenges and opportunities facing the lab-on-paper technology field in the coming years.
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Affiliation(s)
- Wen-Chin Lee
- Division of Nephrology, Kaohsiung Chang Gung Memorial Hospital, College of Medicine, Chang Gung University, Kaohsiung, 833, Taiwan.
| | - Hwee-Yeong Ng
- Division of Nephrology, Kaohsiung Chang Gung Memorial Hospital, College of Medicine, Chang Gung University, Kaohsiung, 833, Taiwan.
| | - Chih-Yao Hou
- Department of Seafood Science, National Kaohsiung University of Science and Technology, Kaohsiung 811, Taiwan
| | - Chien-Te Lee
- Division of Nephrology, Kaohsiung Chang Gung Memorial Hospital, College of Medicine, Chang Gung University, Kaohsiung, 833, Taiwan.
| | - Lung-Ming Fu
- Department of Engineering Science, National Cheng Kung University, Tainan, 701, Taiwan.
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Popov A, Aukstakojyte R, Gaidukevic J, Lisyte V, Kausaite-Minkstimiene A, Barkauskas J, Ramanaviciene A. Reduced Graphene Oxide and Polyaniline Nanofibers Nanocomposite for the Development of an Amperometric Glucose Biosensor. SENSORS 2021; 21:s21030948. [PMID: 33535400 PMCID: PMC7867097 DOI: 10.3390/s21030948] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 01/23/2021] [Accepted: 01/26/2021] [Indexed: 12/12/2022]
Abstract
The control of glucose concentration is a crucial factor in clinical diagnosis and the food industry. Electrochemical biosensors based on reduced graphene oxide (rGO) and conducting polymers have a high potential for practical application. A novel thermal reduction protocol of graphene oxide (GO) in the presence of malonic acid was applied for the synthesis of rGO. The rGO was characterized by scanning electron microscopy, X-ray diffraction analysis, Fourier-transform infrared spectroscopy, and Raman spectroscopy. rGO in combination with polyaniline (PANI), Nafion, and glucose oxidase (GOx) was used to develop an amperometric glucose biosensor. A graphite rod (GR) electrode premodified with a dispersion of PANI nanostructures and rGO, Nafion, and GOx was proposed as the working electrode of the biosensor. The optimal ratio of PANI and rGO in the dispersion used as a matrix for GOx immobilization was equal to 1:10. The developed glucose biosensor was characterized by a wide linear range (from 0.5 to 50 mM), low limit of detection (0.089 mM), good selectivity, reproducibility, and stability. Therefore, the developed biosensor is suitable for glucose determination in human serum. The PANI nanostructure and rGO dispersion is a promising material for the construction of electrochemical glucose biosensors.
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Affiliation(s)
- Anton Popov
- NanoTechnas—Center of Nanotechnology and Materials Science, Institute of Chemistry, Faculty of Chemistry and Geosciences, Vilnius University, Naugarduko st. 24, LT-03225 Vilnius, Lithuania; (A.P.); (V.L.); (A.K.-M.)
- Department of Immunology, State Research Institute Centre for Innovative Medicine, Santariskiu 5, LT-08406 Vilnius, Lithuania
| | - Ruta Aukstakojyte
- Institute of Chemistry, Faculty of Chemistry and Geosciences, Vilnius University, Naugarduko str. 24, LT-03225 Vilnius, Lithuania; (R.A.); (J.G.); (J.B.)
| | - Justina Gaidukevic
- Institute of Chemistry, Faculty of Chemistry and Geosciences, Vilnius University, Naugarduko str. 24, LT-03225 Vilnius, Lithuania; (R.A.); (J.G.); (J.B.)
| | - Viktorija Lisyte
- NanoTechnas—Center of Nanotechnology and Materials Science, Institute of Chemistry, Faculty of Chemistry and Geosciences, Vilnius University, Naugarduko st. 24, LT-03225 Vilnius, Lithuania; (A.P.); (V.L.); (A.K.-M.)
| | - Asta Kausaite-Minkstimiene
- NanoTechnas—Center of Nanotechnology and Materials Science, Institute of Chemistry, Faculty of Chemistry and Geosciences, Vilnius University, Naugarduko st. 24, LT-03225 Vilnius, Lithuania; (A.P.); (V.L.); (A.K.-M.)
- Department of Immunology, State Research Institute Centre for Innovative Medicine, Santariskiu 5, LT-08406 Vilnius, Lithuania
| | - Jurgis Barkauskas
- Institute of Chemistry, Faculty of Chemistry and Geosciences, Vilnius University, Naugarduko str. 24, LT-03225 Vilnius, Lithuania; (R.A.); (J.G.); (J.B.)
| | - Almira Ramanaviciene
- NanoTechnas—Center of Nanotechnology and Materials Science, Institute of Chemistry, Faculty of Chemistry and Geosciences, Vilnius University, Naugarduko st. 24, LT-03225 Vilnius, Lithuania; (A.P.); (V.L.); (A.K.-M.)
- Department of Immunology, State Research Institute Centre for Innovative Medicine, Santariskiu 5, LT-08406 Vilnius, Lithuania
- Correspondence: ; Tel.: +370-5-219-3115
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Perfluorooctanesulfonic Acid Detection Using Molecularly Imprinted Polyaniline on a Paper Substrate. SENSORS 2020; 20:s20247301. [PMID: 33352634 PMCID: PMC7765859 DOI: 10.3390/s20247301] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Revised: 12/16/2020] [Accepted: 12/17/2020] [Indexed: 11/16/2022]
Abstract
Perfluorinated compounds like perfluorooctanesulfonic acid (PFOS) are synthetic water pollutants and have accumulated in environments for decades, causing a serious global health issue. Conventional assays rely on liquid chromatography and mass spectroscopy that are very expensive and complicated and thus limit the large-scale monitoring of PFOS in wastewater. To achieve low-cost and accurate detection of PFOS, we designed a paper-based sensor with molecularly imprinted polyaniline electrodes that have recognition sites specific to PFOS. The calibration curve of resistivity ratios as a function of PFOS concentrations has a linear range from 1 to 100 ppt with a coefficient of determination of 0.995. The estimated limit of detection is 1.02 ppt. We also investigated attenuated total reflectance Fourier-transform infrared spectroscopy (ATR-FTIR) and X-ray photoelectron spectroscopy (XPS) spectra of the surface of the polyaniline (PANI) electrodes to propose the potential recognition sites in polyaniline matrix and the detection mechanism. This electrical paper sensor with low cost and excellent sensitivity and selectivity provides the potential for large-scale monitoring of wastewater.
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Baharfar M, Rahbar M, Tajik M, Liu G. Engineering strategies for enhancing the performance of electrochemical paper-based analytical devices. Biosens Bioelectron 2020; 167:112506. [PMID: 32823207 DOI: 10.1016/j.bios.2020.112506] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Revised: 08/07/2020] [Accepted: 08/07/2020] [Indexed: 12/15/2022]
Abstract
Applications of electrochemical detection methods in microfluidic paper-based analytical devices (μPADs) has revolutionized the area of point-of-care (POC) testing towards highly sensitive and selective quantification of various (bio)chemical analytes in a miniaturized, low-coat, rapid, and user-friendly manner. Shortly after the initiation, these relatively new modulations of μPADs, named as electrochemical paper-based analytical devices (ePADs), gained widespread popularity within the POC research community thanks to the inherent advantages of both electrochemical sensing and usage of paper as a suitable substrate for POC testing platforms. Even though general aspects of ePADs such as applications and fabrication techniques, have already been reviewed multiple times in the literature, herein, we intend to provide a critical engineering insight into the area of ePADs by focusing particularly on the practical strategies utilized to enhance their analytical performance (i.e. sensitivity), while maintaining the desired simplicity and efficiency intact. Basically, the discussed strategies are driven by considering the parameters potentially affecting the generated electrochemical signal in the ePADs. Some of these parameters include the type of filter paper, electrode fabrication methods, electrode materials, fluid flow patterns, etc. Besides, the limitations and challenges associated with the development of ePADs are discussed, and further insights and directions for future research in this field are proposed.
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Affiliation(s)
- Mahroo Baharfar
- Graduate School of Biomedical Engineering, The University of New South Wales, Sydney NSW, 2052, Australia
| | - Mohammad Rahbar
- Graduate School of Biomedical Engineering, The University of New South Wales, Sydney NSW, 2052, Australia
| | - Mohammad Tajik
- School of Chemistry, The University of New South Wales, Sydney NSW, 2052, Australia
| | - Guozhen Liu
- Graduate School of Biomedical Engineering, The University of New South Wales, Sydney NSW, 2052, Australia.
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