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Fu C, Jiang S, Zhuo S, Qiu J, Luo H, Wu Y, Li Y, Jung YM. Covalent organic framework-hybridized Ag nanoparticles as SERS substrate for highly sensitive detection of DNA bases. Anal Bioanal Chem 2024; 416:5295-5302. [PMID: 39098925 DOI: 10.1007/s00216-024-05460-0] [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: 06/17/2024] [Revised: 07/19/2024] [Accepted: 07/22/2024] [Indexed: 08/06/2024]
Abstract
Currently, research in the development of high-performance sensing platforms has increased to fulfill the needs of analysis and detection. In this study, we developed a novel type of surface-enhanced Raman scattering (SERS) chip composed of a covalent organic framework (COF)-silver nanoparticles (AgNPs) nanocomposite, and this nanocomposite was fabricated by a one-step method of ultrasonically mixing the obtained COF and AgNPs. The fabricated chip exhibited high sensitivity and repeatable SERS effects. Practical application results showed that the chip was highly sensitive and reliable and capable of detecting DNA bases (adenine) to fit an equation in the range from 0.01 pM to 1 nM, with an R-square of 0.97253 and a detection limit of ~0.026 pM (signal-to-noise ratio (S/N) = 3). Therefore, the proposed SERS system has potential applications in biological assays.
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Affiliation(s)
- Cuicui Fu
- Chongqing Key Laboratory for New Chemical Materials of Shale Gas, College of Chemistry and Chemical Engineering, Yangtze Normal University, Fuling, Chongqing, 408100, China
| | - Sihan Jiang
- Chongqing Key Laboratory for New Chemical Materials of Shale Gas, College of Chemistry and Chemical Engineering, Yangtze Normal University, Fuling, Chongqing, 408100, China
| | - Siyu Zhuo
- Chongqing Key Laboratory for New Chemical Materials of Shale Gas, College of Chemistry and Chemical Engineering, Yangtze Normal University, Fuling, Chongqing, 408100, China
| | - Jiaxin Qiu
- Chongqing Key Laboratory for New Chemical Materials of Shale Gas, College of Chemistry and Chemical Engineering, Yangtze Normal University, Fuling, Chongqing, 408100, China
| | - Hualu Luo
- Chongqing Key Laboratory for New Chemical Materials of Shale Gas, College of Chemistry and Chemical Engineering, Yangtze Normal University, Fuling, Chongqing, 408100, China
| | - Yan Wu
- Chongqing Key Laboratory for New Chemical Materials of Shale Gas, College of Chemistry and Chemical Engineering, Yangtze Normal University, Fuling, Chongqing, 408100, China
| | - Yangyang Li
- Chongqing Key Laboratory for New Chemical Materials of Shale Gas, College of Chemistry and Chemical Engineering, Yangtze Normal University, Fuling, Chongqing, 408100, China.
| | - Young Mee Jung
- Department of Chemistry, Institute for Molecular Science and Fusion Technology, Kangwon National University, Chuncheon, 24341, Korea.
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2
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Patil G, Daniel S, Koodlur Sannegowda L. Elevating Oxygen Evolution using Iron Phthalocyanine Infused Vanillic acid Electrocatalyst. Chemistry 2024; 30:e202401759. [PMID: 38973370 DOI: 10.1002/chem.202401759] [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: 05/03/2024] [Revised: 06/25/2024] [Accepted: 07/08/2024] [Indexed: 07/09/2024]
Abstract
Oxygen evolution reaction (OER) is the bottle neck step in water splitting reaction towards the realization of hydrogen based clean energy production and storage. Metal air batteries and polymer electrolyte membrane fuel cells (PEMFC) are the alternative green energy systems that utilise O2 and H2 in the production of continuous and high energy output without the utilization of carbon based fuels which are the major sources of pollution. Transition metal based N4 organics are explored extensively as oxygen electrocatalysts i. e., OER and oxygen reduction reaction (ORR) catalysts because of their ease of synthesis, tuneable properties, low cost and high performance with long term stability. Here, vanillic acid functionalized iron phthalocyanine (FeVAPc) was synthesised and characterised by various spectroscopic techniques. The novel FeVAPc exhibited good thermal stability and was coated on Ni foam for OER studies. The scanning electron microscopy images showed net-work like surface morphology and the X-ray photoelectron spectroscopy indicated the presence of Fe in +3 oxidation state. The Ni/FeVAPc demonstrated excellent electrocatalytic activity for OER with overpotential of 312 mV at 10 mA.cm-2 current density in 1.0 M KOH electrolyte. The designed organic based catalyst exhibited lesser Tafel slope value which is nearer to the benchmark catalyst, IrO2. The proposed catalyst exhibited good stability as phthalocyanines are highly stable and do not undergo decomposition even in strong acidic and basic corrosive media. Integration of FeVAPc onto the Ni foam resulted in higher mass activity, lower charge transfer resistance, high active surface area leading to enhanced conductivity and activity. The fabricated Ni/FeVAPc is an appropriate cost-effective, efficient and stable catalyst for OER towards industrial applications.
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Affiliation(s)
- Gouthami Patil
- Department of Studies in Chemistry, Vijayanagara Sri Krishnadevaraya University, Vinayakanagara, 583105, Ballari, Karnataka, India
| | - Shantharaja Daniel
- Department of Studies in Chemistry, Vijayanagara Sri Krishnadevaraya University, Vinayakanagara, 583105, Ballari, Karnataka, India
| | - Lokesh Koodlur Sannegowda
- Department of Studies in Chemistry, Vijayanagara Sri Krishnadevaraya University, Vinayakanagara, 583105, Ballari, Karnataka, India
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Metto M, Tesfaye A, Atlabachew M, Abebe A, Fentahun T, Munshea A. A Novel Poly(cytosine)-Based Electrochemical Biosensor for Sensitive and Selective Determination of Guanine in Biological Samples. ACS OMEGA 2024; 9:26222-26234. [PMID: 38911807 PMCID: PMC11191103 DOI: 10.1021/acsomega.4c01939] [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: 02/28/2024] [Revised: 05/16/2024] [Accepted: 05/30/2024] [Indexed: 06/25/2024]
Abstract
The novel poly(cytosine)-modified glassy carbon electrode-based electrochemical sensor was fabricated potentiodynamically for the detection of Guanine (G) in clinical and biological samples. The surface of the electrode was successfully activated by electropolymerization, and about a 7.5-fold current improvement due to modification was achieved. From the analysis of the dependence of peak current and peak potential on a scan rate, a higher R 2 for the peak current on the square root of scan rate (R 2 = 0.999) than the dependence of peak current on scan rate (R 2 = 0.982) indicated that the oxidation of G at poly(cytosine)/GCE was predominantly diffusion controlled. The oxidative peak response of the electrode revealed a high linear range of G concentration (0.1-200 μM) under optimized conditions. The detection limit and limit of quantification were 6.10 and 20.13 nM, respectively, associated with the %RSD of under 1%. The validation of the developed electrochemical sensor for the determination of G was investigated by analyzing human urine DNA and serum samples with spike recovery results in the range of 98.20-103.70% with the interferent recovery percentage in the range of 97.86-103.10% containing 50-300% of potential interferents. The newly designed sensor demonstrated the highest level of performance for the G detection in real samples.
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Affiliation(s)
- Melaku Metto
- Department
of Chemistry, College of Science, Bahir
Dar University, Bahir
Dar 6000, Ethiopia
- Department
of Chemistry, College of Natural and Computational Sciences, Injibara University, Injibara 6400, Ethiopia
| | - Alemu Tesfaye
- Department
of Chemistry, College of Science, Bahir
Dar University, Bahir
Dar 6000, Ethiopia
| | - Minaleshewa Atlabachew
- Department
of Chemistry, College of Science, Bahir
Dar University, Bahir
Dar 6000, Ethiopia
| | - Atakilt Abebe
- Department
of Chemistry, College of Science, Bahir
Dar University, Bahir
Dar 6000, Ethiopia
| | - Tihunie Fentahun
- Department
of Chemistry, College of Science, Bahir
Dar University, Bahir
Dar 6000, Ethiopia
| | - Abaineh Munshea
- Department
of Chemistry, College of Science, Bahir
Dar University, Bahir
Dar 6000, Ethiopia
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Kuntoji G, Kousar N, Gaddimath S, Koodlur Sannegowda L. Macromolecule-Nanoparticle-Based Hybrid Materials for Biosensor Applications. BIOSENSORS 2024; 14:277. [PMID: 38920581 PMCID: PMC11201996 DOI: 10.3390/bios14060277] [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: 03/02/2024] [Revised: 04/21/2024] [Accepted: 04/26/2024] [Indexed: 06/27/2024]
Abstract
Biosensors function as sophisticated devices, converting biochemical reactions into electrical signals. Contemporary emphasis on developing biosensor devices with refined sensitivity and selectivity is critical due to their extensive functional capabilities. However, a significant challenge lies in the binding affinity of biosensors to biomolecules, requiring adept conversion and amplification of interactions into various signal modalities like electrical, optical, gravimetric, and electrochemical outputs. Overcoming challenges associated with sensitivity, detection limits, response time, reproducibility, and stability is essential for efficient biosensor creation. The central aspect of the fabrication of any biosensor is focused towards forming an effective interface between the analyte electrode which significantly influences the overall biosensor quality. Polymers and macromolecular systems are favored for their distinct properties and versatile applications. Enhancing the properties and conductivity of these systems can be achieved through incorporating nanoparticles or carbonaceous moieties. Hybrid composite materials, possessing a unique combination of attributes like advanced sensitivity, selectivity, thermal stability, mechanical flexibility, biocompatibility, and tunable electrical properties, emerge as promising candidates for biosensor applications. In addition, this approach enhances the electrochemical response, signal amplification, and stability of fabricated biosensors, contributing to their effectiveness. This review predominantly explores recent advancements in utilizing macrocyclic and macromolecular conjugated systems, such as phthalocyanines, porphyrins, polymers, etc. and their hybrids, with a specific focus on signal amplification in biosensors. It comprehensively covers synthetic strategies, properties, working mechanisms, and the potential of these systems for detecting biomolecules like glucose, hydrogen peroxide, uric acid, ascorbic acid, dopamine, cholesterol, amino acids, and cancer cells. Furthermore, this review delves into the progress made, elucidating the mechanisms responsible for signal amplification. The Conclusion addresses the challenges and future directions of macromolecule-based hybrids in biosensor applications, providing a concise overview of this evolving field. The narrative emphasizes the importance of biosensor technology advancement, illustrating the role of smart design and material enhancement in improving performance across various domains.
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Affiliation(s)
| | | | | | - Lokesh Koodlur Sannegowda
- Department of Studies in Chemistry, Vijayanagara Sri Krishnadevaraya University, Jnanasagara, Vinayakanagara, Ballari 583105, India; (G.K.); (N.K.); (S.G.)
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Guo H, Yang Z, Sun L, Lu Z, Wei X, Wang M, Yu Z, Yang W. Imine-linked covalent organic framework with high crystallinity for constructing sensitive purine bases electrochemical sensor. J Colloid Interface Sci 2024; 659:639-649. [PMID: 38198941 DOI: 10.1016/j.jcis.2023.12.180] [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: 11/03/2023] [Revised: 12/12/2023] [Accepted: 12/30/2023] [Indexed: 01/12/2024]
Abstract
In this work, a covalent organic framework (TADM-COF) with high crystallinity and large specific surface area (2597 m2 g-1) has been successfully synthesized using 1,3,5-(4-aminophenyl) benzene (TAPB) and 2,5-dimethoxy-p-phenyldiformaldehyde (DMTP). The COF was grown in situ on oxide particles to form core-shell nanocomposites (SiO2@TADM COF, Fe3O4@TADM COF and Co3O4@TADM COF) to realize its function as a shell material. Among them, the Co3O4@TADM COF with the highest electrochemical response to purine bases was further cross-linked with multi-walled carbon nanotubes (MWCNT) to construct a novel electrochemical sensor (Co3O4@TADM COF/MWCNT/GCE) for detection of purine bases. In this nanocomposite, Co3O4 possesses rich catalytic active sites, MWCNT ensures superior electrical conductivity and COF provides a stable environment for electrocatalytic reactions as the shell. At the same time, regular pore structure of the COFs also offers smooth channels for the transfer of analytes to the catalytic site. The synergistic effect among the three components showed remarkable sensing performance for the simultaneous detection of guanine (G) and adenine (A) with a wide linear range of 0.6-180 μM and low limits of detection (LODs) of 0.020 μM for G and 0.024 μM for A (S/N = 3), respectively. The developed sensor platform was also successfully applied in the detection of purine bases in thermally denatured herring DNA extract. The work provided a general strategy for amplifying signal of COF and its composite in the electrochemical sensing.
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Affiliation(s)
- Hao Guo
- Key Laboratory of Eco-functional Polymer Materials of the Ministry of Education, Key Lab of Bioelectrochemistry and Environmental Analysis of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Gansu International Scientific and Technological Cooperation Base of Water-Retention Chemical Functional Materials, Lanzhou 730070, PR China.
| | - Zeyun Yang
- Key Laboratory of Eco-functional Polymer Materials of the Ministry of Education, Key Lab of Bioelectrochemistry and Environmental Analysis of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Gansu International Scientific and Technological Cooperation Base of Water-Retention Chemical Functional Materials, Lanzhou 730070, PR China
| | - Lei Sun
- Key Laboratory of Eco-functional Polymer Materials of the Ministry of Education, Key Lab of Bioelectrochemistry and Environmental Analysis of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Gansu International Scientific and Technological Cooperation Base of Water-Retention Chemical Functional Materials, Lanzhou 730070, PR China
| | - Zongyan Lu
- Key Laboratory of Eco-functional Polymer Materials of the Ministry of Education, Key Lab of Bioelectrochemistry and Environmental Analysis of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Gansu International Scientific and Technological Cooperation Base of Water-Retention Chemical Functional Materials, Lanzhou 730070, PR China
| | - Xiaoqin Wei
- Key Laboratory of Eco-functional Polymer Materials of the Ministry of Education, Key Lab of Bioelectrochemistry and Environmental Analysis of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Gansu International Scientific and Technological Cooperation Base of Water-Retention Chemical Functional Materials, Lanzhou 730070, PR China
| | - Mingyue Wang
- Key Laboratory of Eco-functional Polymer Materials of the Ministry of Education, Key Lab of Bioelectrochemistry and Environmental Analysis of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Gansu International Scientific and Technological Cooperation Base of Water-Retention Chemical Functional Materials, Lanzhou 730070, PR China
| | - Zhiguo Yu
- Key Laboratory of Eco-functional Polymer Materials of the Ministry of Education, Key Lab of Bioelectrochemistry and Environmental Analysis of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Gansu International Scientific and Technological Cooperation Base of Water-Retention Chemical Functional Materials, Lanzhou 730070, PR China
| | - Wu Yang
- Key Laboratory of Eco-functional Polymer Materials of the Ministry of Education, Key Lab of Bioelectrochemistry and Environmental Analysis of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Gansu International Scientific and Technological Cooperation Base of Water-Retention Chemical Functional Materials, Lanzhou 730070, PR China.
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Chen J, Li S, Chen Y, Yang J, Dong J. Highly selective detection of adenine and guanine by NH 2-MIL-53(Fe)/CS/MXene nanocomposites with excellent electrochemical performance. Mikrochim Acta 2022; 189:328. [PMID: 35962293 DOI: 10.1007/s00604-022-05376-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Accepted: 06/17/2022] [Indexed: 11/28/2022]
Abstract
Adenine (A) and guanine (G) are mainly found in deoxyribonucleic acid (DNA) and ribonucleic acid (RNA) and play a crucial role in genetic information transfer and protein synthesis. In this study, NH2-MIL-53(Fe)/CS/MXene nanocomposites were prepared for detecting guanine and adenine. With high specific surface area, excellent water dispersion, and numerous active sites, MXene (transition metal carbides, nitrides, and carbonitrides) provides a good platform for loading primitive metal-organic frameworks (MOFs). At the same time, the problem of poor conductivity and dispersion of MOFs is solved. The electrochemical catalytic oxidation of adenine and guanine of NH2-MIL-53 (Fe)/CS/MXene nanocomposites was carried out by differential pulse voltammetry (DPV). Operating voltage of DPV: 0.7-0.9 V (vs. Ag/AgCl) for G, 1.0-1.2 V (vs. Ag/AgCl) for A, 0.8 V (vs. Ag/AgCl), and 1.1 V (vs. Ag/AgCl) for G and A. The concentration ranges for detecting A and G were 3-118 μM and 2-120 μM with detection limits of 0.57 μM and 0.17 μM (S/N = 3), respectively. The nanocomposite was used for detecting G and A in herring sperm DNA, and the content of G and A was found to be about 9 and 11 μM; the RSD values were 3.4 and 1.3%, respectively.
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Affiliation(s)
- Jing Chen
- Key Laboratory of Bioelectrochemistry & Environmental Analysis of Gansu, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, 730070, People's Republic of China.
| | - Shuying Li
- Key Laboratory of Bioelectrochemistry & Environmental Analysis of Gansu, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, 730070, People's Republic of China
| | | | - Jiao Yang
- Key Laboratory of Bioelectrochemistry & Environmental Analysis of Gansu, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, 730070, People's Republic of China
| | - Jianbin Dong
- Key Laboratory of Bioelectrochemistry & Environmental Analysis of Gansu, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, 730070, People's Republic of China
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Mughal ZUN, Shaikh H, Baig JA, Memon S, Sirajuddin, Shah S. Fabrication of an imprinted polymer based graphene oxide composite for label-free electrochemical sensing of Sus DNA. NEW J CHEM 2022. [DOI: 10.1039/d2nj02958h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An innovative label-free electrochemical sensor was developed for selective detection of Sus (pig) Deoxyribonucleic acid (DNA) through adenine imprinted polypyrrole fabricated on the surface of allyl mercaptan modified GO (MIP/mGO).
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Affiliation(s)
- Zaib un Nisa Mughal
- National Center of Excellence in Analytical Chemistry, University of Sindh, Jamshoro-76080, Sindh, Pakistan
| | - Huma Shaikh
- National Center of Excellence in Analytical Chemistry, University of Sindh, Jamshoro-76080, Sindh, Pakistan
| | - Jamil Ahmed Baig
- National Center of Excellence in Analytical Chemistry, University of Sindh, Jamshoro-76080, Sindh, Pakistan
| | - Shahabuddin Memon
- National Center of Excellence in Analytical Chemistry, University of Sindh, Jamshoro-76080, Sindh, Pakistan
| | - Sirajuddin
- H. E. J. Research Institute of Chemistry, I.C.C.B.S. University of Karachi, Karachi-75270, Sindh, Pakistan
| | - Shahnila Shah
- National Center of Excellence in Analytical Chemistry, University of Sindh, Jamshoro-76080, Sindh, Pakistan
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