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Lee T, Park J, Oh SH, Cheong DY, Roh S, You JH, Hong Y, Lee G. Glucose Oxidase Activity Colorimetric Assay Using Redox-Sensitive Electrochromic Nanoparticle-Functionalized Paper Sensors. ACS OMEGA 2024; 9:15493-15501. [PMID: 38585131 PMCID: PMC10993408 DOI: 10.1021/acsomega.4c00335] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Revised: 02/23/2024] [Accepted: 03/07/2024] [Indexed: 04/09/2024]
Abstract
Glucose oxidase (GOx) activity assays are vital for various applications, including glucose metabolism estimation and fungal testing. However, conventional methods involve time-consuming and complex procedures. In this study, we present a colorimetric platform for in situ GOx activity measurement utilizing redox-sensitive electrochromic nanoparticles based on polyaniline (PAni). The glucose-adsorbed colorimetric paper sensor, herein termed Glu@CPS, is created by immobilizing ferrocene and glucose onto paper substrates that have been functionalized with PAni nanoparticles. Glu@CPS not only demonstrated rapid detection (within 5 min) but also exhibited remarkable selectivity for GOx and a limit of detection as low as 1.25 μM. Moreover, Glu@CPS demonstrated consistent accuracy in the measurement of GOx activity, exhibiting no deviations even after being stored at ambient temperature for a duration of one month. To further corroborate the effectiveness of this method, we applied Glu@CPS in the detection of GOx activity in a moldy red wine. The results highlight the promising potential of Glu@CPS as a convenient and precise platform for GOx activity measurement in diverse applications including food quality control, environmental monitoring, and early detection of fungal contamination.
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Affiliation(s)
- Taeha Lee
- Department
of Biotechnology and Bioinformatics, Korea
University, Sejong 30019, South Korea
- Interdisciplinary
Graduate Program for Artificial Intelligence Smart Convergence Technology, Korea University, Sejong 30019, South Korea
| | - Jeongmin Park
- Department
of Biotechnology and Bioinformatics, Korea
University, Sejong 30019, South Korea
| | - Seung Hyeon Oh
- Department
of Biotechnology and Bioinformatics, Korea
University, Sejong 30019, South Korea
- Interdisciplinary
Graduate Program for Artificial Intelligence Smart Convergence Technology, Korea University, Sejong 30019, South Korea
| | - Da Yeon Cheong
- Department
of Biotechnology and Bioinformatics, Korea
University, Sejong 30019, South Korea
- Interdisciplinary
Graduate Program for Artificial Intelligence Smart Convergence Technology, Korea University, Sejong 30019, South Korea
| | - Seokbeom Roh
- Department
of Biotechnology and Bioinformatics, Korea
University, Sejong 30019, South Korea
- Interdisciplinary
Graduate Program for Artificial Intelligence Smart Convergence Technology, Korea University, Sejong 30019, South Korea
| | - Jae Hyun You
- Division
of Convergence Business, Korea University, Sejong 30019, South Korea
| | - Yoochan Hong
- Department
of Medical Device, Korea Institute of Machinery
and Materials (KIMM), Daegu 42994, South Korea
| | - Gyudo Lee
- Department
of Biotechnology and Bioinformatics, Korea
University, Sejong 30019, South Korea
- Interdisciplinary
Graduate Program for Artificial Intelligence Smart Convergence Technology, Korea University, Sejong 30019, South Korea
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Ismillayli N, Suprapto S, Santoso E, Nugraha RE, Holilah H, Bahruji H, Jalil AA, Hermanto D, Prasetyoko D. Microwave-assisted synthesis of silver nanoparticles as a colorimetric sensor for hydrogen peroxide. RSC Adv 2024; 14:6815-6822. [PMID: 38405073 PMCID: PMC10885683 DOI: 10.1039/d3ra07775f] [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: 11/14/2023] [Accepted: 02/01/2024] [Indexed: 02/27/2024] Open
Abstract
To consider silver nanoparticles (AgNPs) as a colorimetric sensor for H2O2 we require investigation of the effects of the homogeneity of the nanoparticle size and morphology on the sensor parameters. Uniformly-sized Ag nanoparticles with diameters of ∼18.8 ± 2.8 nm were produced using microwave irradiation (AgNP1) but non-uniform particles with diameters of ∼71.2 ± 19.4 nm (AgNP2) were formed without microwave irradiation. Microwave synthesis produced AgNP1 with superiority in terms of repeatability, selectivity and sensor stability for up to eight months of storage over AgNP2. AgNP1 exhibited higher sensitivity and detection limits in the working range of 0.01-40000 μM as compared to AgNP2. The application of the AgNP sensor to milk samples provided recovery values of 99.09-100.56% for AgNP1 and 98.18-101.90% for AgNP2. Microwave irradiation resulted in strong and uniform PVP-Ag interactions for isotropic growth into small nanoparticles. Size and morphology uniformity determined the characteristics of the AgNP sensor that can be applied for H2O2 detection in a wide range of concentrations and real-time evaluation, with the potential for industrial applications.
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Affiliation(s)
- Nurul Ismillayli
- Department of Chemistry, Faculty of Science and Data Analytics, Institut Teknologi Sepuluh Nopember Keputih, Sukolilo Surabaya 60111 Indonesia
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, University of Mataram Mataram 83125 Indonesia
| | - Suprapto Suprapto
- Department of Chemistry, Faculty of Science and Data Analytics, Institut Teknologi Sepuluh Nopember Keputih, Sukolilo Surabaya 60111 Indonesia
| | - Eko Santoso
- Department of Chemistry, Faculty of Science and Data Analytics, Institut Teknologi Sepuluh Nopember Keputih, Sukolilo Surabaya 60111 Indonesia
| | - Reva Edra Nugraha
- Department of Chemical Engineering, Faculty of Engineering, Universitas Pembangunan Nasional "Veteran" Jawa Timur Surabaya East Java 60294 Indonesia
| | - Holilah Holilah
- Research Center for Biomass and Bioproducts, National Research and Innovation Agency of Indonesia (BRIN) Cibinong 16911 Indonesia
| | - Hasliza Bahruji
- Centre of Advanced Material and Energy Sciences, Universiti Brunei Darussalam Jalan Tungku Link BE 1410 Brunei
| | - Aishah Abdul Jalil
- Centre of Hydrogen Energy, Institute of Future Energy, Universiti Teknologi Malaysia Skudai Johor Bahru Johor 81310 Malaysia
- Department of Chemical Engineering, Faculty of Chemical and Energy Engineering, Universiti Teknologi Malaysia Skudai Johor Bahru Johor 81310 Malaysia
| | - Dhony Hermanto
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, University of Mataram Mataram 83125 Indonesia
| | - Didik Prasetyoko
- Department of Chemistry, Faculty of Science and Data Analytics, Institut Teknologi Sepuluh Nopember Keputih, Sukolilo Surabaya 60111 Indonesia
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Colorimetric Nanoparticle-Embedded Hydrogels for a Biosensing Platform. NANOMATERIALS 2022; 12:nano12071150. [PMID: 35407268 PMCID: PMC9000776 DOI: 10.3390/nano12071150] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Revised: 03/27/2022] [Accepted: 03/28/2022] [Indexed: 11/17/2022]
Abstract
Hydrogels containing colorimetric nanoparticles have been used for ion sensing, glucose detection, and microbial metabolite analyses. In particular, the rapid chemical reaction owing to both the hydrogel form of water retention and the sensitive color change of nanoparticles enables the rapid detection of target substances. Despite this advantage, the poor dispersibility of nanoparticles and the mechanical strength of nanoparticle-hydrogel complexes have limited their application. In this study, we demonstrate a milliliter agarose gel containing homogeneously synthesized polyaniline nanoparticles (PAni-NPs), referred to as PAni-NP-hydrogel complexes (PNHCs). To fabricate the optimal PNHC, we tested various pH solvents based on distilled water and phosphate-buffered saline and studied the colorimetric response of the PNHC with thickness. The colorimetric response of the prepared PNHC to the changes in the pH of the solution demonstrated excellent linearity, suggesting the possibility of using PNHC as a pH sensor. In addition, it was verified that the PNHC could detect minute pH changes caused by the cancer cell metabolites without cytotoxicity. Furthermore, the PNHC can be stably maintained outside water for approximately 12 h without deformation, indicating that it can be used as a disposable patch-type wearable biosensing platform.
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Selective colorimetric urine glucose detection by paper sensor functionalized with polyaniline nanoparticles and cell membrane. Anal Chim Acta 2021; 1158:338387. [PMID: 33863418 DOI: 10.1016/j.aca.2021.338387] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Revised: 02/02/2021] [Accepted: 02/28/2021] [Indexed: 01/27/2023]
Abstract
For the diabetes diagnosis, noninvasive methods are preferred to invasive methods; urine glucose measurement is an example of a noninvasive method. However, conventional noninvasive methods for urine glucose measurement are not intuitive. Furthermore, such methods exhibit low selectivity because they can detect interfering molecules in addition to glucose. Herein, we fabricate a noninvasive, intuitive, and highly selective paper sensor consisting of polyaniline nanoparticles (PAni-NPs) and red blood cell membranes (RBCMs). The PAni-NPs (adsorbed on the paper) are highly sensitive to hydrogen ions and change color from emeraldine blue to emeraldine green within a few seconds. The RBCM (coated on the PAni-NP-adsorbed paper) having the glucose transporter-1 protein plays the role of a smart filter that transports glucose but rejects other interfering molecules. In particular, the selectivity of the RBCM-coated PAni-NP-based paper sensor was approximately improved ∼85%, compared to the uncoated paper sensors. The paper sensor could detect urine glucose over the range of 0-10 mg/mL (0-56 mM), with a limit of detection of 0.54 mM. The proposed paper sensor will facilitate the development of a highly selective and colorimetric urine glucose monitoring system.
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