1
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Ezzat N, Hefnawy MA, Fadlallah SA, El-Sherif RM, Medany SS. Synthesis of nickel-sphere coated Ni-Mn layer for efficient electrochemical detection of urea. Sci Rep 2024; 14:14818. [PMID: 38937495 PMCID: PMC11211473 DOI: 10.1038/s41598-024-64707-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2024] [Accepted: 06/12/2024] [Indexed: 06/29/2024] Open
Abstract
Using a trustworthy electrochemical sensor in the detection of urea in real blood samples received a great attention these days. A thin layer of nickel-coated nickel-manganese (Ni@NiMn) is electrodeposited on a glassy carbon electrode (GC) (Ni@NiMn/GC) surface and used to construct the electrochemical sensor for urea detection. Whereas, electrodeposition is considered as strong technique for the controllable synthesis of nanoparticles. Thus, X-ray diffraction (XRD), atomic force microscope (AFM), and scanning electron microscope (SEM) techniques were used to characterize the produced electrode. AFM and SEM pictures revealed additional details about the surface morphology, which revealed a homogenous and smooth coating. Furthermore, electrochemical research was carried out in alkaline medium utilizing various electrochemical methods, including cyclic voltammetry (CV), chronoamperometry (CA), and electrochemical impedance spectroscopy (EIS). The electrochemical investigations showed that the electrode had good performance, high stability and effective charge transfer capabilities. The structural, morphological, and electrochemical characteristics of Ni@NiMn/GC electrodes were well understood using the analytical and electrochemical techniques. The electrode showed a limit of detection (LOD) equal to 0.0187 µM and a linear range of detection of 1.0-10 mM of urea. Furthermore, real blood samples were used to examine the efficiency of the prepared sensor. Otherwise, the anti-interfering ability of the modified catalyst was examined toward various interfering species.
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Affiliation(s)
- Nourhan Ezzat
- Bio Nanotechnology Department, Faculty of Nanotechnology, Cairo University, Giza, Egypt
| | - Mahmoud A Hefnawy
- Chemistry Department, Faculty of Science, Cairo University, Giza, 12613, Egypt
| | - Sahar A Fadlallah
- Chemistry Department, Faculty of Science, Cairo University, Giza, 12613, Egypt
- Biotechnology Department, Faculty of Science, Cairo University, Giza, 12613, Egypt
| | - Rabab M El-Sherif
- Bio Nanotechnology Department, Faculty of Nanotechnology, Cairo University, Giza, Egypt
- Chemistry Department, Faculty of Science, Cairo University, Giza, 12613, Egypt
| | - Shymaa S Medany
- Chemistry Department, Faculty of Science, Cairo University, Giza, 12613, Egypt.
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2
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Mukundan G, Badhulika S. Nickel-cobalt metal-organic frameworks based flexible hydrogel as a wearable contact lens for electrochemical sensing of urea in tear samples. Mikrochim Acta 2024; 191:252. [PMID: 38589716 DOI: 10.1007/s00604-024-06339-8] [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: 02/02/2024] [Accepted: 03/27/2024] [Indexed: 04/10/2024]
Abstract
A flexible, wearable, non-invasive contact lens sensor utilizing nickel-cobalt metal-organic framework (Ni-Co-MOF) based hydrogel is introduced for urea monitoring in tear samples. The synthesized Ni-Co-MOF hydrogel exhibits a porous structure with interconnected voids, as visualized by Scanning Electron Microscopy (SEM). Detailed structural and vibrational properties of the material were characterized using X-ray Diffraction (XRD), Fourier Transform Infrared (FTIR) spectroscopy, and Raman spectroscopy. The developed Ni-Co-MOF hydrogel sensor showcases a detection limit of 0.445 mM for urea within a linear range of 0.5-70 mM. Notably, it demonstrates exceptional selectivity, effectively distinguishing against interfering species like UA, AA, glucose, dopamine, Cl-, K+, Na+, Ca2+, and IgG. The enhanced electrocatalytic performance of the Ni-Co-MOF hydrogel electrode is attributed to the presence of Ni and Co, fostering Ni2+ oxidation on the surface and forming a Co2+ complex that acts as a catalyst for urea oxidation. The fabricated sensor exhibits successful detection and retrieval of urea in simulated tear samples, showcasing promising potential for bioanalytical applications. The binder-free, non-toxic nature of the Ni-Co-MOF hydrogel sensor presents exciting avenues for future utilization in non-enzymatic electrochemical sensing, including applications in wearable devices, point-of-care diagnostics, and personalized healthcare monitoring.
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Affiliation(s)
- Gopika Mukundan
- Department of Biomedical Engineering, Indian Institute of Technology, Hyderabad, 502285, India
| | - Sushmee Badhulika
- Department of Electrical Engineering, Indian Institute of Technology, Hyderabad, 502285, India.
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3
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Huang Y, Yang R, Zhong H, Lee CKW, Pan Y, Tan M, Chen Y, Jiang N, Li MG. High-Throughput Automatic Laser Printing Strategy toward Cost-effective Portable Integrated Urea Tele-Monitoring System. SMALL METHODS 2024; 8:e2301184. [PMID: 38019189 DOI: 10.1002/smtd.202301184] [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: 09/03/2023] [Revised: 10/21/2023] [Indexed: 11/30/2023]
Abstract
A portable sweat urea sensing system is a promising solution to satisfy the booming requirement of kidney function tele-monitoring. However, the complicated manufacturing route and the cumbersome electrochemical testing system still need to be improved to develop the urea point-of-care testing (POCT) and tele-monitoring devices. Here, a universal technical route based on a high-throughput automatic laser printing strategy for fabricating the portable integrated urea monitoring system is proposed. This integrated system includes a high-performance laser-printed urea sensing electrode, a planar three-electrode system, and a self-developed wireless mini-electrochemical workstation. A precursor donor layer is activated by laser scribing and in situ transferred into functional nanoparticles for the drop-on-demand printing of the urea sensing electrode. The obtained electrodes show high sensitivity, low detection limit, fast response time, high selectivity, good average recovery, and long-term stability for urea sensing. Additionally, a laser-induced graphene circuit-based miniature planar three-electrode system and a wireless mini-electrochemical workstation are designed for sensing data collection and transmitting, achieving real-time urea POCT and tele-monitoring. This scalable method provides a universal solution for high-throughput and ultra-fast fabrication of urea-sensing electrodes. The portable integrated urea monitoring system is a competitive option to achieve cost-effective POCT and tele-monitoring for kidney function.
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Affiliation(s)
- Yangyi Huang
- Research Center on Smart Manufacturing, Division of Integrative Systems and Design, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong SAR, 999077, P. R. China
| | - Rongliang Yang
- Research Center on Smart Manufacturing, Division of Integrative Systems and Design, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong SAR, 999077, P. R. China
| | - Haosong Zhong
- Research Center on Smart Manufacturing, Division of Integrative Systems and Design, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong SAR, 999077, P. R. China
| | - Connie Kong Wai Lee
- Research Center on Smart Manufacturing, Division of Integrative Systems and Design, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong SAR, 999077, P. R. China
| | - Yexin Pan
- Research Center on Smart Manufacturing, Division of Integrative Systems and Design, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong SAR, 999077, P. R. China
- Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, Clear Water Bay, Kowloon, Hong Kong SAR, 999077, P. R. China
| | - Min Tan
- Research Center on Smart Manufacturing, Division of Integrative Systems and Design, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong SAR, 999077, P. R. China
| | - Yi Chen
- Research Center on Smart Manufacturing, Division of Integrative Systems and Design, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong SAR, 999077, P. R. China
| | - Na Jiang
- Department of Nephrology, Renji Hospital, Shanghai Jiaotong University School of Medicine, No. 160, Pujian Road, Pudong District, Shanghai, 200127, P. R. China
| | - Mitch Guijun Li
- Research Center on Smart Manufacturing, Division of Integrative Systems and Design, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong SAR, 999077, P. R. China
- Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, Clear Water Bay, Kowloon, Hong Kong SAR, 999077, P. R. China
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4
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Parveen M, Tahira A, Mahar IA, Bhatti MA, Dawi E, Nafady A, Alshammari RH, Vigolo B, Qi K, Ibupoto ZH. Green structure orienting and reducing agents of wheat peel extract induced abundant surface oxygen vacancies and transformed the nanoflake morphology of NiO into a plate-like shape with enhanced non-enzymatic urea sensing application. RSC Adv 2023; 13:34122-34135. [PMID: 38019984 PMCID: PMC10661683 DOI: 10.1039/d3ra06296a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Accepted: 11/05/2023] [Indexed: 12/01/2023] Open
Abstract
Researchers are increasingly focusing on using biomass waste for green synthesis of nanostructured materials since green reducing, capping, stabilizing and orientation agents play a significant role in final application. Wheat peel extract contains a rich source of reducing and structure orienting agents that are not utilized for morphological transformation of NiO nanostructures. Our study focuses on the role of wheat peel extract in morphological transformation during the synthesis of NiO nanostructures as well as in non-enzymatic electrochemical urea sensing. It was observed that the morphological transformation of NiO flakes into nanoplatelets took place in the presence of wheat peel extract during the preparation of NiO nanostructures and that both the lateral size and thickness of the nanostructures were significantly reduced. Wheat peel extract was also found to reduce the optical band gap of NiO. A NiO nanostructure prepared with 5 mL of wheat peel extract (sample 2) was highly efficient for the detection of urea without the use of urease enzyme. It has been demonstrated that the induced modification of NiO nanoplatelets through the use of structure-orienting agents in the wheat peel has enhanced their electrochemical performance. A linear range of 0.1 mM to 13 mM was achieved with a detection limit of 0.003 mM in the proposed urea sensor. The performance of the presented non-enzymatic urea sensor was evaluated in terms of selectivity, stability, reproducibility, and practical application, and the results were highly satisfactory. As a result of the high surface active sites on sample 2, the low charge transfer resistance, as well as the high exposure to the surface active sites of wheat peel extract, sample 2 demonstrated enhanced performance. The wheat peel extract could be used for the green synthesis of a wide range of nanostructured materials, particularly metal/metal oxides for various electrochemical applications.
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Affiliation(s)
- Mehnaz Parveen
- Institute of Chemistry, University of Sindh Jamshoro 76080 Sindh Pakistan
| | - Aneela Tahira
- Institute of Chemistry, Shah Abdul Latif University Khairpur Mirs Sindh Pakistan
| | - Ihsan Ali Mahar
- Institute of Chemistry, University of Sindh Jamshoro 76080 Sindh Pakistan
| | - Muhammad Ali Bhatti
- Institute of Environmental Sciences, University of Sindh Jamshoro 76080 Sindh Pakistan
| | - Elmuez Dawi
- College of Humanities and Sciences, Department of Mathematics and Sciences, Ajman University P.O. Box 346 United Arab Emirates
| | - Ayman Nafady
- Chemistry Department, College of Science, King Saud University Riyadh 11451 Saudi Arabia
| | - Riyadh H Alshammari
- Chemistry Department, College of Science, King Saud University Riyadh 11451 Saudi Arabia
| | | | - Kezhen Qi
- College of Pharmacy, Dali University Dali Yunnan 671000 China
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5
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Naik TSSK, Singh S, Narasimhappa P, Varshney R, Singh J, Khan NA, Zahmatkesh S, Ramamurthy PC, Shehata N, Kiran GN, Sunil K. Green and sustainable synthesis of CaO nanoparticles: Its solicitation as a sensor material and electrochemical detection of urea. Sci Rep 2023; 13:19995. [PMID: 37968362 PMCID: PMC10651922 DOI: 10.1038/s41598-023-46728-2] [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: 06/19/2023] [Accepted: 11/04/2023] [Indexed: 11/17/2023] Open
Abstract
Urea is recognized as one of the most frequently used adulterants in milk to enhance artificial protein content, and whiteness. Drinking milk having high urea concentrations which causes innumerable health disputes like ulcers, indigestion, and kidney-related problems. Therefore, herein, a simple and rapid electroanalytical platform was developed to detect the presence of urea in milk using a modified electrode sensor. Calcium oxide nanoparticles (CaO NPs) were green synthesized and used as a catalyst material for developing the sensor. Synthesized materials formation was confirmed by different techniques like FTIR, UV-visible, XRD, SEM-EDX, and Raman spectroscopy. The carbon paste electrode (CPE) was modified using the CaO NPs and used as a working electrode during the analysis followed by cyclic voltammetry and differential pulse voltammetry (DPV) techniques. The fabricated calcium oxide modified carbon paste electrode (CaO/CPE) successfully detected the presence of urea in the lower concentration range (lower limit of detection (LLOD) = 0.032 µM) having a wide linear detection range of 10-150 µM. Adsorption-controlled electrode process was achieved at the scan rate variation parameter. The leading parameters like the selectivity, repeatability, and stability of the CaO/CPE were investigated. The relative standard deviation of sensor was ± 3.8% during the interference and stability study.
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Affiliation(s)
- T S Sunil Kumar Naik
- Department of Materials Engineering, Indian Institute of Science, Bangalore, 560012, India
| | - Simranjeet Singh
- Interdisciplinary Centre for Water Research (ICWaR), Indian Institute of Science, Bangalore, 560012, India
| | - Pavithra Narasimhappa
- Interdisciplinary Centre for Water Research (ICWaR), Indian Institute of Science, Bangalore, 560012, India
| | - Radhika Varshney
- Interdisciplinary Centre for Water Research (ICWaR), Indian Institute of Science, Bangalore, 560012, India
| | - Joginder Singh
- Department of Botany, Nagaland University, Lumami, Nagaland, 798627, India
| | - Nadeem A Khan
- Interdisciplinary Research Center for Membranes and Water Security (IRC-MWS), King Fahd University of Petroleum and Minerals, Dhahran, 31261, Saudi Arabia.
| | - Sasan Zahmatkesh
- Tecnologico de Monterrey, Escuela de Ingenieríay Ciencias, Puebla, Mexico
| | - Praveen C Ramamurthy
- Department of Materials Engineering, Indian Institute of Science, Bangalore, 560012, India.
- Interdisciplinary Centre for Water Research (ICWaR), Indian Institute of Science, Bangalore, 560012, India.
| | - Nabila Shehata
- Environmental Science and Industrial Development Department, Faculty of Postgraduate Studies for Advanced Sciences, Beni-Suef University, Beni-Suef, Egypt
| | - G N Kiran
- Department of Chemistry, SSIT, Sri Siddhartha Academy of Higher Education, Tumkur, Karnataka, 572107, India
| | - K Sunil
- Department of Chemistry, SSIT, Sri Siddhartha Academy of Higher Education, Tumkur, Karnataka, 572107, India
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6
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Sun M, Cui C, Chen H, Wang D, Zhang W, Guo W. Enzymatic and Non-Enzymatic Uric Acid Electrochemical Biosensors: A Review. Chempluschem 2023; 88:e202300262. [PMID: 37551133 DOI: 10.1002/cplu.202300262] [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: 06/01/2023] [Revised: 07/27/2023] [Accepted: 08/07/2023] [Indexed: 08/09/2023]
Abstract
In recent years, the development of electrochemical biosensors for uric acid has made great achievements. Firstly, uric acid electrochemical biosensors were classified according to their reaction mechanism. Then, the reaction mechanism of the uric acid sensor and the application of nano-modified materials were deeply analyzed from the perspective of non-enzyme and enzymes. In this paper, the catalytic oxidation capacity, enzyme adsorption effect, conductivity, robustness, detection range, and detection limit of uric acid sensors were discussed and compared. Finally, the advantages of acid-sensitive electrochemical biosensors were summarized, and the constructive recommendations were proposed for improving the deficiencies of acid biosensors. The potential for further development in this area was also discussed.
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Affiliation(s)
- Miao Sun
- North China University of Science and Technology, College of Electrical Engineering, Tangshan, 063210, P. R. China
| | - Chuanjin Cui
- North China University of Science and Technology, College of Electrical Engineering, Tangshan, 063210, P. R. China
| | - Hongshuo Chen
- North China University of Science and Technology, College of Electrical Engineering, Tangshan, 063210, P. R. China
| | - Dengling Wang
- North China University of Science and Technology, College of Electrical Engineering, Tangshan, 063210, P. R. China
| | - Wensi Zhang
- North China University of Science and Technology, College of Electrical Engineering, Tangshan, 063210, P. R. China
| | - Wenjin Guo
- North China University of Science and Technology, College of Electrical Engineering, Tangshan, 063210, P. R. China
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7
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Mangrio S, Tahira A, Chang AS, Mahar IA, Markhand M, Shah AA, Medany SS, Nafady A, Dawi EA, Saleem LMA, Mustafa EM, Vigolo B, Ibupoto ZH. Advanced Urea Precursors Driven NiCo 2O 4 Nanostructures Based Non-Enzymatic Urea Sensor for Milk and Urine Real Sample Applications. BIOSENSORS 2023; 13:bios13040444. [PMID: 37185519 PMCID: PMC10135918 DOI: 10.3390/bios13040444] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2023] [Revised: 03/22/2023] [Accepted: 03/29/2023] [Indexed: 05/17/2023]
Abstract
The electrochemical performance of NiCo2O4 with urea precursors was evaluated in order to develop a non-enzymatic urea sensor. In this study, NiCo2O4 nanostructures were synthesized hydrothermally at different concentrations of urea and characterized using scanning electron microscopy and X-ray diffraction. Nanostructures of NiCo2O4 exhibit a nanorod-like morphology and a cubic phase crystal structure. Urea can be detected with high sensitivity through NiCo2O4 nanostructures driven by urea precursors under alkaline conditions. A low limit of detection of 0.05 and an analytical range of 0.1 mM to 10 mM urea are provided. The concentration of 006 mM was determined by cyclic voltammetry. Chronoamperometry was used to determine the linear range in the range of 0.1 mM to 8 mM. Several analytical parameters were assessed, including selectivity, stability, and repeatability. NiCo2O4 nanostructures can also be used to detect urea in various biological samples in a practical manner.
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Affiliation(s)
- Sanjha Mangrio
- Dr. M.A. Kazi Institute of Chemistry, University of Sindh, Jamshoro 76080, Pakistan
| | - Aneela Tahira
- Institute of Chemistry, Shah Abdul Latif University, Khairpur Mirs 66111, Pakistan
| | - Abdul Sattar Chang
- Dr. M.A. Kazi Institute of Chemistry, University of Sindh, Jamshoro 76080, Pakistan
| | - Ihsan Ali Mahar
- Dr. M.A. Kazi Institute of Chemistry, University of Sindh, Jamshoro 76080, Pakistan
| | - Mehnaz Markhand
- Dr. M.A. Kazi Institute of Chemistry, University of Sindh, Jamshoro 76080, Pakistan
| | - Aqeel Ahmed Shah
- Department of metalluargy and Materials, NED University of Engineering and Technology, Karachi 75270, Pakistan
| | - Shymaa S Medany
- Department of Chemistry, Faculty of Science, Cairo University, Giza 12613, Egypt
| | - Ayman Nafady
- Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Elmuez A Dawi
- Nonlinear Dynamics Research Centre (NDRC), Ajman University, Ajman P.O. Box 346, United Arab Emirates
| | - Lama M A Saleem
- Biomolecular Science, Earth and Life Science, Amsterdam University, 1081 HV Amsterdam, The Netherlands
| | - E M Mustafa
- Department of Sciences and Technology, Linköping University, SE-601 74 Norrköping, Sweden
| | - Brigitte Vigolo
- The Institut Jean Lamour (IJL), Université de Lorraine, CNRS, F-54000 Nancy, France
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8
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Yang B, Li H, Nong C, Li X, Feng S. A novel electrochemical immunosensor based on SnS 2/NiCo metal-organic frameworks loaded with gold nanoparticles for cortisol detection. Anal Biochem 2023; 669:115117. [PMID: 36934959 DOI: 10.1016/j.ab.2023.115117] [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: 09/11/2022] [Revised: 03/07/2023] [Accepted: 03/12/2023] [Indexed: 03/19/2023]
Abstract
In this work, a label-free electrochemical immunosensor using tin sulfide/nickel cobalt metal-organic frameworks (SnS2/NiCo MOFs) was established for the sensitive etection of cortisol. First, SnS2/NiCo MOFs were synthesized by doping SnS2 with NiCo MOF nanocubes by a hydrothermal method. Then, gold nanoparticles (AuNPs) were grown in situ on SnS2/NiCo MOFs for electrochemical detection. The use of SnS2/NiCo MOFs promoted the electron transfer rate of AuNPs and enhanced the electrochemical sensing performance of AuNPs@SnS2/NiCo MOFs-modified electrodes. The large specific surface area of AuNPs@SnS2/NiCo MOFs provides more active sites for antibody loading. After the prepared immunosensor was incubated with the target analyte, cortisol, the electron transfer impedance increased and the amperometric response decreased, thus establishing a highly sensitive immunosensing method. The sensor had a linear range of 100 fg/mL to 100 ng/mL and a low detection limit of 29 fg/mL. The sensor showed good accuracy and practicability and could be used for the determination of cortisol in saliva.
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Affiliation(s)
- Bo Yang
- School of Pharmacy, Henan University of Chinese Medicine, Zhengzhou, 450046, China
| | - Heng Li
- The First Clinical Institute, Henan University of Chinese Medicine, Zhengzhou, 450046, China
| | - Cuijie Nong
- School of Pharmacy, Henan University of Chinese Medicine, Zhengzhou, 450046, China
| | - Xiaokun Li
- School of Pharmacy, Henan University of Chinese Medicine, Zhengzhou, 450046, China.
| | - Suxiang Feng
- School of Pharmacy, Henan University of Chinese Medicine, Zhengzhou, 450046, China
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9
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Wearable potentiometric biosensor for analysis of urea in sweat. Biosens Bioelectron 2023; 223:114994. [PMID: 36577175 DOI: 10.1016/j.bios.2022.114994] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 11/26/2022] [Accepted: 12/06/2022] [Indexed: 12/16/2022]
Abstract
Herein, we introduce wearable potentiometric biosensors on screen-printed carbon electrodes (SPCEs) for on-body and on-site monitoring of urea in sweat. The biosensor architecture was judiciously designed to detect urea at different pHs and incorporate a pH sensor, thus containing polyaniline ink, urease bioink and a polyvinylchloride membrane. Urea detection could be performed in the wide range from 5 to 200 mM at pH 7.0, encompassing urea levels in human sweat. The biosensor response was fast (incubation time 5 min), with no interference from other substances in sweat. Reliable urea detection could be done in undiluted human sweat with a skin-worn flexible device using the pH correction strategy afforded by the pH sensor. The performance of the epidermal biosensor was not affected by severe bending strains. The feasibility of mass production was demonstrated by fabricating epidermal flexible biosensors using slot-die coating with a roll-to-roll technique.
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10
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Kaur J, Kaur M, Kansal SK, Umar A, Algadi H. Highly fluorescent nickel based metal organic framework for enhanced sensing of Fe 3+ and Cr 2O 72- ions. CHEMOSPHERE 2023; 311:136832. [PMID: 36257400 DOI: 10.1016/j.chemosphere.2022.136832] [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: 04/14/2022] [Revised: 09/24/2022] [Accepted: 10/07/2022] [Indexed: 06/16/2023]
Abstract
Heavy metal contamination has sparked widespread concern among the populace. The significant issues necessitate the creation of high-performance fluorescent pigments that can identify harmful elements in water. The present study deals with metal organic framework [MOF] based on nickel [Ni-BDC MOF]. The Ni-BDC MOF was prepared by facile solvothermal method using nickel nitrate hexahydrate and terephthalic acid ligand as precursors. The MOF was characterized by various techniques in order to examine the crystal, morphological, structural, composition, thermal and optical properties. The detailed characterizations revealed that the synthesized Ni-BDC MOF are well-crystalline with high purity and possessing 3D rhombohedral microcrystals with rough surface. The MOF demonstrate good luminescence performance and excellent water stability. According to the Stern Volmer plot, the tests set up under optimized conditions demonstrate a linear correlation between the fluorescence intensity and concentration of both ions, i.e. Fe3+, and Cr2O72- ions. The linear range and detection limit for Fe3+ and Cr2O72- were found to be 0-1.4 nM and 0.159 nM, and 0-1 nM and 0.120 nM, respectively. The mechanisms for the selective detection of cations and anions were also explored. The recyclability for the prepared MOF was checked up to five cycles which showed excellent stability with just a slight reduction in efficiency. The constructed sensor was also used to assess the presence of Fe3+ and Cr2O72- ions in actual water samples. The results of the different experiments revealed that the prepared MOF is a good material for detecting Fe3+ and Cr2O72- ions.
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Affiliation(s)
- Jasjot Kaur
- Dr. S. S. Bhatnagar University Institute of Chemical Engineering and Technology, Panjab University, Chandigarh, 160014, India
| | - Manjot Kaur
- Dr. S. S. Bhatnagar University Institute of Chemical Engineering and Technology, Panjab University, Chandigarh, 160014, India
| | - Sushil Kumar Kansal
- Dr. S. S. Bhatnagar University Institute of Chemical Engineering and Technology, Panjab University, Chandigarh, 160014, India.
| | - Ahmad Umar
- Department of Chemistry, College of Science and Arts, Najran University, Najran, 11001, Saudi Arabia; Promising Centre for Sensors and Electronic Devices (PCSED), Najran University, Najran, 11001, Saudi Arabia; Department of Materials Science and Engineering, The Ohio State University, Columbus, 43210, OH, USA.
| | - Hassan Algadi
- Promising Centre for Sensors and Electronic Devices (PCSED), Najran University, Najran, 11001, Saudi Arabia; Department of Electrical Engineering, College of Engineering, Najran University, Najran, 11001, Saudi Arabia
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11
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Bankole OE, Verma DK, Chávez González ML, Ceferino JG, Sandoval-Cortés J, Aguilar CN. Recent trends and technical advancements in biosensors and their emerging applications in food and bioscience. FOOD BIOSCI 2022. [DOI: 10.1016/j.fbio.2022.101695] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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12
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Roy D, Singh P, Halder S, Chanda N, Mandal S. 3-D printed electrode integrated sensing chip and a PoC device for enzyme free electrochemical detection of blood urea. Bioelectrochemistry 2021; 142:107893. [PMID: 34343778 DOI: 10.1016/j.bioelechem.2021.107893] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 07/14/2021] [Accepted: 07/18/2021] [Indexed: 01/25/2023]
Abstract
Herein we report a novel electrochemical sensing chip and a point-of-care device (PoC) for enzyme-free electrochemical detection of urea in human blood. The electrochemical sensing chip was developed by 3-D printing of conductive Ag ink and subsequent electrodeposition of AuNP-rGO nanocomposite. Material characterization of the sensing chip was conducted to find a plausible mechanism for the electrochemical reaction with urea. Subsequently, the response with varying concentrations of urea in solution and human blood samples was tested. High peak response current (~5 times than that of the highest reported value), low impedance, rapid sensor fabrication procedure, high selectivity towards urea, excellent linear response (R2 = 0.99), high sensitivity of 183 μA mM-1 cm-2, the fast response indicated by high diffusion coefficient, the limit of detection of 0.1 µM, tested shelf life of more than 6 months and recovery rate of >99% ensured the application of the developed sensor chip towards PoC urea detection test kit. A PoC device housing an electronic circuitry following the principles of linear sweep voltammetry and compatible with a sensing chip was developed. A maximum percentage error of 4.86% and maximum RSD of 3.63% confirmed the use of the PoC device for rapid urea measurements in human blood.
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Affiliation(s)
- Debolina Roy
- Material Processing and Microsystems Laboratory, CSIR-Central Mechanical Engineering Research Institute, M.G. Avenue, Durgapur, WB 713209, India; Academy of Scientific and Innovative Research (AcSIR), CSIR-Human Resource Development Centre, (CSIR-HRDC) Campus Postal Staff College Area, Sector 19, Kamla Nehru Nagar, Ghaziabad, UP 201002, India
| | - Preeti Singh
- Material Processing and Microsystems Laboratory, CSIR-Central Mechanical Engineering Research Institute, M.G. Avenue, Durgapur, WB 713209, India; Academy of Scientific and Innovative Research (AcSIR), CSIR-Human Resource Development Centre, (CSIR-HRDC) Campus Postal Staff College Area, Sector 19, Kamla Nehru Nagar, Ghaziabad, UP 201002, India
| | - Saurav Halder
- Material Processing and Microsystems Laboratory, CSIR-Central Mechanical Engineering Research Institute, M.G. Avenue, Durgapur, WB 713209, India
| | - Nripen Chanda
- Material Processing and Microsystems Laboratory, CSIR-Central Mechanical Engineering Research Institute, M.G. Avenue, Durgapur, WB 713209, India; Academy of Scientific and Innovative Research (AcSIR), CSIR-Human Resource Development Centre, (CSIR-HRDC) Campus Postal Staff College Area, Sector 19, Kamla Nehru Nagar, Ghaziabad, UP 201002, India.
| | - Soumen Mandal
- Material Processing and Microsystems Laboratory, CSIR-Central Mechanical Engineering Research Institute, M.G. Avenue, Durgapur, WB 713209, India; Academy of Scientific and Innovative Research (AcSIR), CSIR-Human Resource Development Centre, (CSIR-HRDC) Campus Postal Staff College Area, Sector 19, Kamla Nehru Nagar, Ghaziabad, UP 201002, India.
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13
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Lu S, Hummel M, Kang S, Pathak R, He W, Qi X, Gu Z. Density Functional Theory Investigation of the NiO@Graphene Composite as a Urea Oxidation Catalyst in the Alkaline Electrolyte. ACS OMEGA 2021; 6:14648-14654. [PMID: 34250329 PMCID: PMC8260271 DOI: 10.1021/acsomega.1c01758] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Accepted: 05/12/2021] [Indexed: 06/13/2023]
Abstract
Developing efficient and low-cost urea oxidation reaction (UOR) catalysts is a promising but still challenging task for environment and energy conversion technologies such as wastewater remediation and urea electrolysis. In this work, NiO nanoparticles that incorporated graphene as the NiO@Graphene composite were constructed to study the UOR process in terms of density functional theory. The single-atom model, which differed from the previous heterojunction model, was employed for the adsorption/desorption of urea and CO2 in the alkaline media. As demonstrated from the calculated results, NiO@Graphene prefers to adsorb the hydroxyl group than urea in the initial stage due to the stronger adsorption energy of the hydroxyl group. After NiOOH@Graphene was formed in the alkaline electrolyte, it presents excellent desorption energy of CO2 in the rate-determining step. Electronic density difference and the d band center diagram further confirmed that the Ni(III) species is the most favorable site for urea oxidation while facilitating charge transfer between urea and NiO@Graphene. Moreover, graphene provides a large surface for the incorporation of NiO nanoparticles, enhancing the electron transfer between NiOOH and graphene and promoting the mass transport in the alkaline electrolyte. Notably, this work provides theoretical guidance for the electrochemical urea oxidation work.
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Affiliation(s)
- Shun Lu
- College
of Chemistry and Chemical Engineering, Chongqing
University of Technology, Chongqing 400054, China
- Department
of Agricultural and Biosystems Engineering, South Dakota State University, Brookings, South Dakota 57007, United States
| | - Matthew Hummel
- Department
of Agricultural and Biosystems Engineering, South Dakota State University, Brookings, South Dakota 57007, United States
| | - Shuai Kang
- Micro-nano
Manufacturing and System Integration Center, Chongqing Institute of
Green and Intelligent Technology (CIGIT), Chinese Academy of Sciences, Chongqing 400714, China
| | - Rajesh Pathak
- Applied
Materials Division, Argonne National Laboratory, 9700 Cass Ave, Lemont, Illinois 60439, United States
| | - Wei He
- Department
of Electrical Engineering and Computer Science, South Dakota State University, Brookings, South Dakota 57007, United States
| | - Xueqiang Qi
- College
of Chemistry and Chemical Engineering, Chongqing
University of Technology, Chongqing 400054, China
- School
of Chemistry and Chemical Engineering, Chongqing
University, Shazhengjie 174, Chongqing 400044, China
| | - Zhengrong Gu
- Department
of Agricultural and Biosystems Engineering, South Dakota State University, Brookings, South Dakota 57007, United States
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14
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Singh S, Sharma M, Singh G. Recent advancements in urea biosensors for biomedical applications. IET Nanobiotechnol 2021; 15:358-379. [PMID: 34694714 PMCID: PMC8675831 DOI: 10.1049/nbt2.12050] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Revised: 01/06/2021] [Accepted: 02/14/2021] [Indexed: 12/22/2022] Open
Abstract
The quick progress in health care technology as a recurrent measurement of biochemical factors such as blood components leads to advance development and growth in biosensor technology necessary for effectual patient concern. The review wok of authors present a concise information and brief discussion on the development made in the progress of potentiometric, field effect transistor, graphene, electrochemical, optical, polymeric, nanoparticles and nanocomposites based urea biosensors in the past two decades. The work of authors is also centred on different procedures/methods for detection of urea by using amperometric, potentiometric, conductometric and optical processes, where graphene, polymer etc. are utilised as an immobilised material for the fabrication of biosensors. Further, a comparative revision has been accomplished on various procedures of urea analysis using different materials-based biosensors, and it discloses that electrochemical and potentiometric biosensor is the most promise one among all, in terms of rapid response time, extensive shelf life and resourceful design.
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Affiliation(s)
- Saravjeet Singh
- Department of Biomedical EngineeringDeenbandhu Chhotu Ram University of Science and TechnologyMurthalSonepatIndia
| | - Minakshi Sharma
- Department of ZoologyMaharishi Dayanand UniversityRohtakHaryanaIndia
| | - Geeta Singh
- Department of Biomedical EngineeringDeenbandhu Chhotu Ram University of Science and TechnologyMurthalSonepatIndia
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15
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Yang S, Zhang J, Bai C, Deng K. Gold nanoparticle decorated rGO-encapsulated metal-organic framework composite sensor for the detection of dopamine. CAN J CHEM 2021. [DOI: 10.1139/cjc-2020-0292] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
In this study, by encapsulation of reduced graphene oxide (rGO) into Ni-based metal–organic framework (Ni-MOF) structure, the composite rGO@Ni-MOF was first prepared. Then, gold nanoparticle (AuNP) decorated rGO@Ni-MOF (rGO@Ni-MOF/AuNP) were obtained through the electrodeposition. The morphology and structure of rGO@Ni-MOF/AuNP were characterized by SEM, FTIR, and XRD. The rGO@Ni-MOF/AuNP modified electrode was used for the detection of dopamine. Combining the catalysis from Ni-MOF and AuNP with the conductivity of rGO endowed rGO@Ni-MOF/AuNP with synergetic high catalytic activity to the electrochemical oxidation of dopamine. The developed modified electrode had a good linear relationship with dopamine in the concentration range of 0.5∼120 μM, and the detection limit was 0.33 μM (S/N = 3). Additionally, the potential interferents, electrode stability, reproducibility, and practical applications were also studied and satisfactory results were obtained.
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Affiliation(s)
- Shaoming Yang
- School of Materials Science and Engineering, East China Jiaotong University, Nanchang, Jiangxi 330013, China
- School of Materials Science and Engineering, East China Jiaotong University, Nanchang, Jiangxi 330013, China
| | - Jian Zhang
- School of Materials Science and Engineering, East China Jiaotong University, Nanchang, Jiangxi 330013, China
- School of Materials Science and Engineering, East China Jiaotong University, Nanchang, Jiangxi 330013, China
| | - Chaopeng Bai
- School of Materials Science and Engineering, East China Jiaotong University, Nanchang, Jiangxi 330013, China
- School of Materials Science and Engineering, East China Jiaotong University, Nanchang, Jiangxi 330013, China
| | - Kaiqiang Deng
- School of Materials Science and Engineering, East China Jiaotong University, Nanchang, Jiangxi 330013, China
- School of Materials Science and Engineering, East China Jiaotong University, Nanchang, Jiangxi 330013, China
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16
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Botewad SN, Gaikwad DK, Girhe NB, Thorat HN, Pawar PP. Urea biosensors: A comprehensive review. Biotechnol Appl Biochem 2021; 70:485-501. [PMID: 33847399 DOI: 10.1002/bab.2168] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Accepted: 04/02/2021] [Indexed: 01/11/2023]
Abstract
Present study is specially designed for the recent advances in biosensors to detect and quantify urea concentration. Urea (carbamide) is an organic compound made up of the carbonyl (C=O) functional group with two -NH2 groups having chemical formula CO (NH2 )2 . In nature, urea is found everywhere as the result of various processes, and in the human body, urea is an end product of nitrogen metabolism. An excessive concentration of urea in the human body is responsible for different critical diseases such as indigestion, acidity, ulcers, cancer, malfunctioning of kidneys, renal failure, urinary tract obstruction, dehydration, shock, burns, gastrointestinal bleeding, and so on. Moreover, below the normal level may cause hepatic failure, nephritic syndrome, cachexia, and so on. As well as in various fields such as fishery, dairy, food preservation, agriculture, and so on, urea is normally found and its detection is necessary. In urea biosensors, enzyme urease (Urs) is used as a bioreceptor element and retains its long last activity is the critical issue in front of the researcher. During recent decades, different nanoparticles (zinc oxide, nickel oxide, iron oxide, titanium dioxide, tin(IV) oxide, etc.), conducting polymer (polyaniline, polypyrrole, etc.), conducting polymer-nanoparticles composites, carbon materials (carbon nanotubes, graphene oxide, reduced graphene oxide graphene), and so on are used in urea biosensors. The main emphasis of the present study is to provide cumulative and comprehensive information about the sensing parameters of urea biosensors based on the materials used for enzyme immobilization. Besides this special task, this review provides a fruitful discussion on the basics of biosensors briefly for new and upcoming researchers. Thus, the present study may act as a gift for a large audience that come from different fields and are working in biosensors research.
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Affiliation(s)
- Sunil N Botewad
- Department of Physics, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad, Maharashtra, India
| | | | - Nitin B Girhe
- Jawahar Science, Commerce and Arts College, Andoor, Tq. Tuljapur District, Osmanabad, India
| | - Hanuman N Thorat
- Department of Physics, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad, Maharashtra, India
| | - Pravina P Pawar
- Department of Physics, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad, Maharashtra, India
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17
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Wang X, Liu B, Li J, Zhai Y, Liu H, Li L, Wen H. Conductive 2D Metal‐organic Framework (Co, NiCo, Ni) Nanosheets for Enhanced Non‐enzymatic Detection of Urea. ELECTROANAL 2021. [DOI: 10.1002/elan.202060586] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Xiaoya Wang
- School of Metallurgy and Chemical Engineering Jiangxi University of Science and Technology Ganzhou 341000 P. R. China
- College of Biological, Chemical Sciences and Engineering Jiaxing University Jiaxing 314001 P. R. China
| | - Bingbing Liu
- School of Metallurgy and Chemical Engineering Jiangxi University of Science and Technology Ganzhou 341000 P. R. China
- College of Biological, Chemical Sciences and Engineering Jiaxing University Jiaxing 314001 P. R. China
| | - Jie Li
- School of Earth Sciences Hebei GEO University Shijiazhuang 050031 P. R. China
| | - Yunyun Zhai
- College of Biological, Chemical Sciences and Engineering Jiaxing University Jiaxing 314001 P. R. China
| | - Haiqing Liu
- College of Biological, Chemical Sciences and Engineering Jiaxing University Jiaxing 314001 P. R. China
| | - Lei Li
- College of Biological, Chemical Sciences and Engineering Jiaxing University Jiaxing 314001 P. R. China
| | - Herui Wen
- School of Metallurgy and Chemical Engineering Jiangxi University of Science and Technology Ganzhou 341000 P. R. China
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18
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Nalaparaju A, Jiang J. Metal-Organic Frameworks for Liquid Phase Applications. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2021; 8:2003143. [PMID: 33717851 PMCID: PMC7927635 DOI: 10.1002/advs.202003143] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Revised: 10/19/2020] [Indexed: 05/10/2023]
Abstract
In the last two decades, metal-organic frameworks (MOFs) have attracted overwhelming attention. With readily tunable structures and functionalities, MOFs offer an unprecedentedly vast degree of design flexibility from enormous number of inorganic and organic building blocks or via postsynthetic modification to produce functional nanoporous materials. A large extent of experimental and computational studies of MOFs have been focused on gas phase applications, particularly the storage of low-carbon footprint energy carriers and the separation of CO2-containing gas mixtures. With progressive success in the synthesis of water- and solvent-resistant MOFs over the past several years, the increasingly active exploration of MOFs has been witnessed for widespread liquid phase applications such as liquid fuel purification, aromatics separation, water treatment, solvent recovery, chemical sensing, chiral separation, drug delivery, biomolecule encapsulation and separation. At this juncture, the recent experimental and computational studies are summarized herein for these multifaceted liquid phase applications to demonstrate the rapid advance in this burgeoning field. The challenges and opportunities moving from laboratory scale towards practical applications are discussed.
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Affiliation(s)
- Anjaiah Nalaparaju
- Department of Chemical and Biomolecular EngineeringNational University of SingaporeSingapore117576Singapore
| | - Jianwen Jiang
- Department of Chemical and Biomolecular EngineeringNational University of SingaporeSingapore117576Singapore
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19
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Anil AG, Sunil Kumar Naik T, Subramanian S, Ramamurthy PC. A novel non-enzymatic urea sensor based on the nickel complex of a benzimidazoyl pyridine derivative. J Electroanal Chem (Lausanne) 2021. [DOI: 10.1016/j.jelechem.2021.115062] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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20
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Mohd Zain NK, Karuppiah C, Misnon II, Das S, Ikechukwu Ozoemena K, Yang C, Jose R. High Capacity and Rate Capability Binder‐less Ternary Transition Metal‐organic Framework as Anode Material for Lithium‐ion Battery. ELECTROANAL 2020. [DOI: 10.1002/elan.202060381] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Nurul Khairiyyah Mohd Zain
- Nanostructured Renewable Energy Materials Laboratory Faculty of Industrial Sciences & Technology University Malaysia Pahang Kuantan 23600 Pahang Malaysia
| | - Chelladurai Karuppiah
- Battery Research Center of Green Energy Ming Chi University of Technology New Taipei City 243 Taiwan ROC
| | - Izan Izwan Misnon
- Nanostructured Renewable Energy Materials Laboratory Faculty of Industrial Sciences & Technology University Malaysia Pahang Kuantan 23600 Pahang Malaysia
| | - Santanu Das
- Department of Ceramic Engineering Indian Institute of Technology (Banaras Hindu University) Varanasi Uttar Pradesh 221005 India
| | - Kenneth Ikechukwu Ozoemena
- Molecular Sciences Institute School of Chemistry University of the Witwatersrand Private Bag 3, PO Wits Johannesburg 2050 South Africa
| | - Chun‐Chen Yang
- Battery Research Center of Green Energy Ming Chi University of Technology New Taipei City 243 Taiwan ROC
| | - Rajan Jose
- Nanostructured Renewable Energy Materials Laboratory Faculty of Industrial Sciences & Technology University Malaysia Pahang Kuantan 23600 Pahang Malaysia
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21
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Fapyane D, Berillo D, Marty JL, Revsbech NP. Urea Biosensor Based on a CO 2 Microsensor. ACS OMEGA 2020; 5:27582-27590. [PMID: 33134722 PMCID: PMC7594316 DOI: 10.1021/acsomega.0c04146] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Accepted: 10/02/2020] [Indexed: 06/11/2023]
Abstract
Urea sensors based on electrodes in direct contact with the medium have limited long-term stability when exposed to complex media. Here, we present a urea biosensor based on urease immobilized in an alginate polymer, buffered at pH 6, and placed in front of a newly developed fast and sensitive CO2 microsensor, where the electrodes are shielded by a gas-permeable membrane. The CO2 produced by the urease in the presence of urea diffuses into the microsensor and is reduced at a Ag cathode. Oxygen interference is prevented by a Cr2+ trap. The 95% response time to changes in urea concentration was 120 s with a linear calibration curve in the range 0-1000 μM and a detection limit of 1 μM. The Ni2+ cofactor to improve sensor performance was continuously supplied from a reservoir behind the sensor tip. The stability of the urea sensor was optimized by the addition of bovine serum albumin as a stabilizer to the urease/alginate mixture that was cross-linked with glutaraldehyde and Ca2+ ions. This immobilization strategy resulted in about 70% of the initial urea sensor sensitivity after two weeks of continuous operation. The sensor was successfully tested in blood serum.
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Affiliation(s)
- Deby Fapyane
- Aarhus University
Centre for Water Technology (WATEC), Department of Biology, Aarhus University, Ny Munkegade 114-116, Aarhus
C 8000, Denmark
| | - Dmitriy Berillo
- Aarhus University
Centre for Water Technology (WATEC), Department of Biology, Aarhus University, Ny Munkegade 114-116, Aarhus
C 8000, Denmark
| | - Jean-Louis Marty
- BAE (Biocapteurs-Analyses-Environnement), Université de Perpignan Via Domitia, 52 Avenue Paul Alduy, Perpignan
Cedex 66860, France
| | - Niels Peter Revsbech
- Aarhus University
Centre for Water Technology (WATEC), Department of Biology, Aarhus University, Ny Munkegade 114-116, Aarhus
C 8000, Denmark
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22
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Feng PQ, Wu XQ, Guo ZQ, Wei XH, Wang T, Li XY. Co-MOFs with high selectivity and excellent sensitivity for distinguishing isomeric aromatic derivatives. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2020.127931] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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23
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Peng J, Wei L, Liu Y, Zhuge W, Huang Q, Huang W, Xiang G, Zhang C. Novel porous iron phthalocyanine based metal–organic framework electrochemical sensor for sensitive vanillin detection. RSC Adv 2020; 10:36828-36835. [PMID: 35517930 PMCID: PMC9057021 DOI: 10.1039/d0ra06783k] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Accepted: 09/22/2020] [Indexed: 12/19/2022] Open
Abstract
A novel electrochemical sensor based on an iron phthalocyanine (FePc) MOF for the sensitive detection of vanillin.
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Affiliation(s)
- Jinyun Peng
- College of Chemistry and Chemical Engineering
- Guangxi Normal University for Nationalities
- Chongzuo 532200
- China
| | - Liying Wei
- College of Chemistry and Chemical Engineering
- Guangxi Normal University for Nationalities
- Chongzuo 532200
- China
- School of Pharmacy
| | - Yuxia Liu
- College of Physics and Electronic Engineering
- Guangxi Normal University for Nationalities
- Chongzuo 532200
- China
| | - Wenfeng Zhuge
- College of Chemistry and Chemical Engineering
- Guangxi Normal University for Nationalities
- Chongzuo 532200
- China
| | - Qing Huang
- College of Chemistry and Chemical Engineering
- Guangxi Normal University for Nationalities
- Chongzuo 532200
- China
| | - Wei Huang
- College of Chemistry and Chemical Engineering
- Guangxi Normal University for Nationalities
- Chongzuo 532200
- China
| | - Gang Xiang
- College of Chemistry and Chemical Engineering
- Guangxi Normal University for Nationalities
- Chongzuo 532200
- China
| | - Cuizhong Zhang
- College of Chemistry and Chemical Engineering
- Guangxi Normal University for Nationalities
- Chongzuo 532200
- China
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24
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Mendes RF, Figueira F, Leite JP, Gales L, Almeida Paz FA. Metal–organic frameworks: a future toolbox for biomedicine? Chem Soc Rev 2020; 49:9121-9153. [DOI: 10.1039/d0cs00883d] [Citation(s) in RCA: 83] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The present review focuses on the use of Metal–Organic Frameworks, (MOFs) highlighting the most recent developments in the biological field and as bio-sensors.
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Affiliation(s)
- Ricardo F. Mendes
- Department of Chemistry
- CICECO – Aveiro Institute of Materials
- University of Aveiro
- 3810-193 Aveiro
- Portugal
| | - Flávio Figueira
- Department of Chemistry
- CICECO – Aveiro Institute of Materials
- University of Aveiro
- 3810-193 Aveiro
- Portugal
| | - José P. Leite
- Abel Salazar Biomedical Sciences Institute
- University of Porto
- 4169-007 Porto
- Portugal
- IBMC – Instituto de Biologia Molecular e Celular
| | - Luís Gales
- Abel Salazar Biomedical Sciences Institute
- University of Porto
- 4169-007 Porto
- Portugal
- IBMC – Instituto de Biologia Molecular e Celular
| | - Filipe A. Almeida Paz
- Department of Chemistry
- CICECO – Aveiro Institute of Materials
- University of Aveiro
- 3810-193 Aveiro
- Portugal
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