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Jalal NR, Madrakian T, Ahmadi M, Afkhami A, Khalili S, Bahrami M, Roshanaei M. Wireless wearable potentiometric sensor for simultaneous determination of pH, sodium and potassium in human sweat. Sci Rep 2024; 14:11526. [PMID: 38773136 PMCID: PMC11109153 DOI: 10.1038/s41598-024-62236-3] [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: 02/26/2024] [Accepted: 05/15/2024] [Indexed: 05/23/2024] Open
Abstract
This paper reports on the development of a flexible-wearable potentiometric sensor for real-time monitoring of sodium ion (Na+), potassium ion (K+), and pH in human sweat. Na0.44MnO2, polyaniline, and K2Co[Fe(CN)6] were used as sensing materials for Na+, H+ and K+ monitoring, respectively. The simultaneous potentiometric Na+, K+, and pH sensing were carried out by the developed sensor, which enables signal collection and transmission in real-time to the smartphone via a Wi-Fi access point. Then, the potentiometric responses were evaluated by a designed android application. Na+, K+, and pH sensors illustrated high sensitivity (59.7 ± 0.8 mV/decade for Na+, 57.8 ± 0.9 mV/decade for K+, and 54.7 ± 0.6 mV/pH for pH), excellent stability, and good batch-to-batch reproducibility. The results of on-body experiments demonstrated that the proposed platform is capable of real-time monitoring of the investigated ions.
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Affiliation(s)
- Nahid Rezvani Jalal
- Department of Analytical Chemistry, Faculty of Chemistry and Petroleum Sciences, Bu-Ali Sina University, Hamedan, 6517838695, Iran
| | - Tayyebeh Madrakian
- Department of Analytical Chemistry, Faculty of Chemistry and Petroleum Sciences, Bu-Ali Sina University, Hamedan, 6517838695, Iran.
| | - Mazaher Ahmadi
- Department of Analytical Chemistry, Faculty of Chemistry and Petroleum Sciences, Bu-Ali Sina University, Hamedan, 6517838695, Iran.
| | - Abbas Afkhami
- Department of Analytical Chemistry, Faculty of Chemistry and Petroleum Sciences, Bu-Ali Sina University, Hamedan, 6517838695, Iran
| | - Sina Khalili
- Department of Analytical Chemistry, Faculty of Chemistry and Petroleum Sciences, Bu-Ali Sina University, Hamedan, 6517838695, Iran
| | - Morteza Bahrami
- Department of Computer Engineering, Faculty of Engineering, Bu-Ali Sina University, Hamedan, 6517838695, Iran
| | - Majid Roshanaei
- Biomedical Engineering Department, School of Electrical Engineering, Iran University of Science and Technology, Tehran, 1684613114, Iran
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Fozia, Zhao G, Nie Y, Jiang J, Chen Q, Wang C, Xu X, Ying M, Hu Z, Xu H. Preparation of Nitrate Bilayer Membrane Ion-Selective Electrode Modified by Pericarpium Granati-Derived Biochar and Its Application in Practical Samples. Electrocatalysis (N Y) 2023. [DOI: 10.1007/s12678-023-00812-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
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Phoonsawat K, Agir I, Dungchai W, Ozer T, Henry CS. A smartphone-assisted hybrid sensor for simultaneous potentiometric and distance-based detection of electrolytes. Anal Chim Acta 2022; 1226:340245. [DOI: 10.1016/j.aca.2022.340245] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 08/04/2022] [Accepted: 08/05/2022] [Indexed: 12/19/2022]
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Zhai J, Luo B, Li A, Dong H, Jin X, Wang X. Unlocking All-Solid Ion Selective Electrodes: Prospects in Crop Detection. SENSORS (BASEL, SWITZERLAND) 2022; 22:5541. [PMID: 35898054 PMCID: PMC9331676 DOI: 10.3390/s22155541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Revised: 07/20/2022] [Accepted: 07/21/2022] [Indexed: 06/15/2023]
Abstract
This paper reviews the development of all-solid-state ion-selective electrodes (ASSISEs) for agricultural crop detection. Both nutrient ions and heavy metal ions inside and outside the plant have a significant influence on crop growth. This review begins with the detection principle of ASSISEs. The second section introduces the key characteristics of ASSISE and demonstrates its feasibility in crop detection based on previous research. The third section considers the development of ASSISEs in the detection of corps internally and externally (e.g., crop nutrition, heavy metal pollution, soil salinization, N enrichment, and sensor miniaturization, etc.) and discusses the interference of the test environment. The suggestions and conclusions discussed in this paper may provide the foundation for additional research into ion detection for crops.
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Affiliation(s)
- Jiawei Zhai
- Research Center of Intelligent Equipment, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China; (J.Z.); (B.L.); (A.L.); (H.D.); (X.J.)
- College of Mechanical and Electrical Engineering, Fujian Agriculture and Forestry University, Fuzhou 350108, China
| | - Bin Luo
- Research Center of Intelligent Equipment, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China; (J.Z.); (B.L.); (A.L.); (H.D.); (X.J.)
| | - Aixue Li
- Research Center of Intelligent Equipment, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China; (J.Z.); (B.L.); (A.L.); (H.D.); (X.J.)
| | - Hongtu Dong
- Research Center of Intelligent Equipment, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China; (J.Z.); (B.L.); (A.L.); (H.D.); (X.J.)
| | - Xiaotong Jin
- Research Center of Intelligent Equipment, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China; (J.Z.); (B.L.); (A.L.); (H.D.); (X.J.)
| | - Xiaodong Wang
- Research Center of Intelligent Equipment, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China; (J.Z.); (B.L.); (A.L.); (H.D.); (X.J.)
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Carbon composite thermoplastic electrodes integrated with mini-printed circuit board for wireless detection of calcium ions. ANAL SCI 2022; 38:1233-1243. [PMID: 35861910 DOI: 10.1007/s44211-022-00164-w] [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: 06/12/2022] [Accepted: 07/06/2022] [Indexed: 11/01/2022]
Abstract
Here, a smartphone-based portable sensing system is developed for real-time detection of Ca2+ ions in a variety of biofluids. A solid-contact calcium-selective electrode (Ca2+-ISE) consisting of an ion-selective membrane (ISM), carbon black nanomaterial and polystyrene-graphite nanoplatelets as a solid contact was fabricated. The polyvinylchloride (PVC)-based ISM was optimized using different plasticizers and ion-exchangers. Under optimized conditions, the solid contacts were electrochemically characterized by electrochemical impedance spectroscopy (EIS), chronopotentiometric and potentiometric measurements. The Ca2+-ISE showed a Nernst response with a slope of 31.2 ± 0.6 mV/decade in the concentration range from 0.1 M to 10-4 M Ca2+ with a limit of detection (LOD) of 1.0 × 10-5 M. In addition, the ISEs exhibited good selectivity to Ca2+ ions over various interfering electrolytes and metabolites. The Ca2+-ISEs were applied in human urine and, artificial serum and cerebrospinal fluid samples. The ISEs showed good recoveries between 90 and 105%, indicating potential applicability of these electrodes in biological fluids. The portable lab-made potentiometer provides wireless data signaling and transmission to a smartphone and final Ca2+ concentration display due to its customized software. Therefore, the developed smartphone-based sensing platform offers low cost (< $25), rapid, user-friendly detection of Ca2+ especially in resource-limited areas.
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Hutter T, Collings TS, Kostova G, Karet Frankl FE. Point-of-care and self-testing for potassium: recent advances. SENSORS & DIAGNOSTICS 2022; 1:614-626. [PMID: 35923773 PMCID: PMC9280758 DOI: 10.1039/d2sd00062h] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Accepted: 05/27/2022] [Indexed: 01/12/2023]
Abstract
Potassium is an important bodily electrolyte which is kept within tight limits in health. Many medical conditions as well as commonly-used drugs either raise or lower blood potassium levels, which can be dangerous or even fatal. For at-risk patients, frequent monitoring of potassium can improve safety and lifestyle, but conventional venous blood draws are inconvenient, don't provide a timely result and may be inaccurate. This review summarises current solutions and recent developments in point-of-care and self-testing potassium measurement technologies, which include devices for measurement of potassium in venous blood, devices for home blood collection and remote measurement, devices for rapid home measurement of potassium, wearable sensors for potassium in interstitial fluid, in sweat, in urine, as well as non-invasive potassium detection. We discuss the practical and clinical applicability of these technologies and provide future outlooks.
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Affiliation(s)
- Tanya Hutter
- Materials Science and Engineering Program & Texas Materials Institute, The University of Texas at Austin USA
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Preparation of a Phosphate Ion-Selective Electrode Using One-Step Process Optimized with Response Surface Method and its Application in Real Sample Detections. Electrocatalysis (N Y) 2022. [DOI: 10.1007/s12678-022-00750-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Kościelniak P, Dębosz M, Wieczorek M, Migdalski J, Szufla M, Matoga D, Kochana J. The Use of an Acylhydrazone-Based Metal-Organic Framework in Solid-Contact Potassium-Selective Electrode for Water Analysis. MATERIALS 2022; 15:ma15020579. [PMID: 35057298 PMCID: PMC8781722 DOI: 10.3390/ma15020579] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 12/16/2021] [Accepted: 01/10/2022] [Indexed: 01/27/2023]
Abstract
A solid-contact ion-selective electrode was developed for detecting potassium in environmental water. Two versions of a stable cadmium acylhydrazone-based metal organic framework, i.e., JUK-13 and JUK-13_H2O, were used for the construction of the mediation layer. The potentiometric and electrochemical characterizations of the proposed electrodes were carried out. The implementation of the JUK-13_H2O interlayer is shown to improve the potentiometric response and stability of measured potential. The electrode exhibits a good Nernstian slope (56.30 mV/decade) in the concentration range from 10−5 to 10−1 mol L−1 with a detection limit of 2.1 µmol L−1. The long-term potential stability shows a small drift of 0.32 mV h−1 over 67 h. The electrode displays a good selectivity comparable to ion-selective electrodes with the same membrane. The K-JUK-13_H2O-ISE was successfully applied for the determination of potassium in three certified reference materials of environmental water with great precision (RSD < 3.00%) and accuracy (RE < 3.00%).
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Affiliation(s)
- Paweł Kościelniak
- Department of Analytical Chemistry, Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Kraków, Poland; (M.D.); (M.W.); (J.K.)
- Correspondence:
| | - Marek Dębosz
- Department of Analytical Chemistry, Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Kraków, Poland; (M.D.); (M.W.); (J.K.)
| | - Marcin Wieczorek
- Department of Analytical Chemistry, Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Kraków, Poland; (M.D.); (M.W.); (J.K.)
| | - Jan Migdalski
- Department of Analytical Chemistry and Biochemistry, Faculty of Materials and Ceramics, AGH University of Science and Technology, A. Mickiewicza 30, 30-059 Kraków, Poland;
| | - Monika Szufla
- Department of Inorganic Chemistry, Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Kraków, Poland; (M.S.); (D.M.)
| | - Dariusz Matoga
- Department of Inorganic Chemistry, Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Kraków, Poland; (M.S.); (D.M.)
| | - Jolanta Kochana
- Department of Analytical Chemistry, Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Kraków, Poland; (M.D.); (M.W.); (J.K.)
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