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Kavazoi HS, Martin CS, Maximino MD, Pereira MS, Rodríguez-Méndez ML, Alessio P. Controlling supramolecular structures in iron tetrasulfonated phthalocyanine films through pH variation: implications for thin-film device performance. Phys Chem Chem Phys 2023; 25:26999-27007. [PMID: 37728416 DOI: 10.1039/d3cp02500d] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/21/2023]
Abstract
Improving the performance of thin film-based devices is a crucial factor for their successful application, mainly for organic electronic semiconductors. The adjustment of supramolecular structuring of thin films plays a role in the optical and electrical properties. In this sense, we investigated how various pH values, such as 2.5, 6.0, and 9.0, of the solutions influenced the growth of iron tetrasulfonated phthalocyanine (FeTsPc) Layer-by-Layer (LbL) films and their respective supramolecular structures as well as their electrochemical properties. The supramolecular structures were evaluated via UV-vis absorption spectroscopy, quartz crystal microbalance (QCM), micro-Raman spectroscopy, Fourier-transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), and cyclic voltammetry. The different pH values of the solution induce different degrees of molecular aggregation for FeTsPc (monomer, dimer, and aggregate formation). For instance, the higher the pH, the higher the aggregation. Films produced at pH 2.5 were organized preferentially with the molecules perpendicular to the substrate, while films at pH 6.0 and 9.0 were organized preferentially with the molecules parallel to the substrate. Besides, the film produced at pH 2.5 results in higher film thickness, higher stability, and better electrocatalytic behavior for the electrochemical detection of catechol. The results presented here enhance the understanding of nanostructured films, helping to harness supramolecular organization to improve the performance of thin-film devices.
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Affiliation(s)
- Henry S Kavazoi
- São Paulo State University (UNESP), School of Technology and Sciences, Presidente Prudente-SP, 19060-080, Brazil.
| | - Cibely S Martin
- São Paulo State University (UNESP), School of Engineering, Ilha Solteira-SP, 15385-000, Brazil
| | - Mateus D Maximino
- São Paulo State University (UNESP), School of Technology and Sciences, Presidente Prudente-SP, 19060-080, Brazil.
| | - Matheus S Pereira
- São Paulo State University (UNESP), School of Technology and Sciences, Presidente Prudente-SP, 19060-080, Brazil.
| | - María L Rodríguez-Méndez
- Grupo UVAsens. Escuela de Ingenierías Industriales, Universidad de Valladolid, 47011, Valladolid, Spain
| | - Priscila Alessio
- São Paulo State University (UNESP), School of Technology and Sciences, Presidente Prudente-SP, 19060-080, Brazil.
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2
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Mounesh, Reddy KV. Decorated CoPc with appliance of MWCNTs on GCE: Sensitive and reliable electrochemical investigation of heavy metals. Microchem J 2021. [DOI: 10.1016/j.microc.2020.105610] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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3
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Salvo-Comino C, González-Gil A, Rodriguez-Valentin J, Garcia-Hernandez C, Martin-Pedrosa F, Garcia-Cabezon C, Rodriguez-Mendez ML. Biosensors Platform Based on Chitosan/AuNPs/Phthalocyanine Composite Films for the Electrochemical Detection of Catechol. The Role of the Surface Structure. SENSORS (BASEL, SWITZERLAND) 2020; 20:E2152. [PMID: 32290315 PMCID: PMC7181025 DOI: 10.3390/s20072152] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Revised: 04/06/2020] [Accepted: 04/09/2020] [Indexed: 02/08/2023]
Abstract
Biosensor platforms consisting of layer by layer films combining materials with different functionalities have been developed and used to obtain improved catechol biosensors. Tyrosinase (Tyr) or laccase (Lac) were deposited onto LbL films formed by layers of a cationic linker (chitosan, CHI) alternating with layers of anionic electrocatalytic materials (sulfonated copper phthalocyanine, CuPcS or gold nanoparticles, AuNP). Films with different layer structures were successfully formed. Characterization of surface roughness and porosity was carried out using AFM. Electrochemical responses towards catechol showed that the LbL composites efficiently improved the electron transfer path between Tyr or Lac and the electrode surface, producing an increase in the intensity over the response in the absence of the LbL platform. LbL structures with higher roughness and pore size facilitated the diffusion of catechol, resulting in lower LODs. The [(CHI)-(AuNP)-(CHI)-(CuPcS)]2-Tyr showed an LOD of 8.55∙10-4 μM, which was one order of magnitude lower than the 9.55·10-3 µM obtained with [(CHI)-(CuPcS)-(CHI)-(AuNP)]2-Tyr, and two orders of magnitude lower than the obtained with other nanostructured platforms. It can be concluded that the combination of adequate materials with complementary activity and the control of the structure of the platform is an excellent strategy to obtain biosensors with improved performances.
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Affiliation(s)
- Coral Salvo-Comino
- Group UVASENS, Escuela de Ingenierías Industriales, Universidad de Valladolid, Paseo del Cauce, 59, 47011 Valladolid, Spain; (C.S.-C.); (A.G.-G.); (J.R.-V.); (C.G.-H.)
- Bioeco UVA Research Institute, Universidad de Valladolid, 47011 Valladolid, Spain (C.G.-C.)
| | - Alfonso González-Gil
- Group UVASENS, Escuela de Ingenierías Industriales, Universidad de Valladolid, Paseo del Cauce, 59, 47011 Valladolid, Spain; (C.S.-C.); (A.G.-G.); (J.R.-V.); (C.G.-H.)
| | - Javier Rodriguez-Valentin
- Group UVASENS, Escuela de Ingenierías Industriales, Universidad de Valladolid, Paseo del Cauce, 59, 47011 Valladolid, Spain; (C.S.-C.); (A.G.-G.); (J.R.-V.); (C.G.-H.)
- Dpt. of Materials Science, Universidad de Valladolid, Paseo del Cauce, 59, 47011 Valladolid, Spain
| | - Celia Garcia-Hernandez
- Group UVASENS, Escuela de Ingenierías Industriales, Universidad de Valladolid, Paseo del Cauce, 59, 47011 Valladolid, Spain; (C.S.-C.); (A.G.-G.); (J.R.-V.); (C.G.-H.)
- Bioeco UVA Research Institute, Universidad de Valladolid, 47011 Valladolid, Spain (C.G.-C.)
| | - Fernando Martin-Pedrosa
- Bioeco UVA Research Institute, Universidad de Valladolid, 47011 Valladolid, Spain (C.G.-C.)
- Dpt. of Materials Science, Universidad de Valladolid, Paseo del Cauce, 59, 47011 Valladolid, Spain
| | - Cristina Garcia-Cabezon
- Bioeco UVA Research Institute, Universidad de Valladolid, 47011 Valladolid, Spain (C.G.-C.)
- Dpt. of Materials Science, Universidad de Valladolid, Paseo del Cauce, 59, 47011 Valladolid, Spain
| | - Maria Luz Rodriguez-Mendez
- Group UVASENS, Escuela de Ingenierías Industriales, Universidad de Valladolid, Paseo del Cauce, 59, 47011 Valladolid, Spain; (C.S.-C.); (A.G.-G.); (J.R.-V.); (C.G.-H.)
- Bioeco UVA Research Institute, Universidad de Valladolid, 47011 Valladolid, Spain (C.G.-C.)
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Mounesh, Venugopal Reddy KR. The electrochemical investigation of carboxamide-PEG2-biotin-CoPc using composite MWCNTs on modified GCE: the sensitive detections for glucose and hydrogen peroxide. NEW J CHEM 2020. [DOI: 10.1039/c9nj05807a] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The electroanalytical study of a synthesized novel tetra-cobalt(ii) carboxamide-PEG2-biotin phthalocyanine (CoTPEG2BAPc) composite with MWCNTs to create a biosensor with a high response to glucose in the presence of H2O2.
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Affiliation(s)
- Mounesh
- Department of Chemistry
- Vijayanagara Srikrishnadevaraya University
- Ballari-583 105
- India
| | - K. R. Venugopal Reddy
- Department of Chemistry
- Vijayanagara Srikrishnadevaraya University
- Ballari-583 105
- India
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Hsieh YH, Chuang WC, Yu KH, Jheng CP, Lee CI. Sequential Photodynamic Therapy with Phthalocyanine Encapsulated Chitosan-Tripolyphosphate Nanoparticles and Flucytosine Treatment against Candida tropicalis. Pharmaceutics 2019; 11:pharmaceutics11010016. [PMID: 30621174 PMCID: PMC6359070 DOI: 10.3390/pharmaceutics11010016] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2018] [Revised: 12/19/2018] [Accepted: 12/27/2018] [Indexed: 12/17/2022] Open
Abstract
Antibiotic resistance has become a crisis. Candida tropicalis (C. tropicalis) is one of the most highly virulent and drug-resistant pathogens. An alternative antimicrobial therapy to eradicate C. tropicalis effectively, without the risk of developing drug-resistance, is needed. Photodynamic therapy (PDT) is an alternative therapy that does not carry the risk of undesired drug resistance. To target the pathogens and to enhance the cellular penetration of the applied photosensitizer, we fabricated cationic chitosan/tripolyphosphate nanoparticles to encapsulate phthalocyanine. Our strategy promotes the uptake of phthalocyanine four-fold. This enhanced PDT can effectively inhibit planktonic C. tropicalis, such that only ~20% of C. tropicalis in the test survived; but it has a limited ability to inhibit adherent C. tropicalis. Further tests with adherent C. tropicalis indicated that sequential treatment with PDT and flucytosine significantly eliminates pseudohyphae and yeast-like C. tropicalis cells. The cell viability is only ~10% after this sequential treatment. This study provides evidence of an effective therapy against drug resistant C. tropicalis, and this strategy can be potentially applied to other pathogens.
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Affiliation(s)
- Yi-Hsuan Hsieh
- Department of Clinical Pathology, Dalin Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Chia-Yi 62247, Taiwan.
| | - Wen-Ching Chuang
- Department of Biomedical Sciences, National Chung Cheng University, Min-Hsiung Chia-Yi 62102, Taiwan.
| | - Kun-Hua Yu
- Department of Biomedical Sciences, National Chung Cheng University, Min-Hsiung Chia-Yi 62102, Taiwan.
| | - Cheng-Ping Jheng
- Department of Biomedical Sciences, National Chung Cheng University, Min-Hsiung Chia-Yi 62102, Taiwan.
| | - Cheng-I Lee
- Department of Biomedical Sciences, National Chung Cheng University, Min-Hsiung Chia-Yi 62102, Taiwan.
- Center for Innovative Research on Aging Society (CIRAS), National Chung Cheng University, Min-Hsiung Chia-Yi 62102, Taiwan.
- Center for Nano Bio-detections, Advanced Institute of Manufacturing with High-tech Innovations (AIM-HI), National Chung Cheng University, Min-Hsiung Chia-Yi 62102, Taiwan.
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Salvo-Comino C, García-Hernández C, García-Cabezón C, Rodríguez-Méndez ML. Discrimination of Milks with a Multisensor System Based on Layer-by-Layer Films. SENSORS (BASEL, SWITZERLAND) 2018; 18:E2716. [PMID: 30126183 PMCID: PMC6111749 DOI: 10.3390/s18082716] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/25/2018] [Revised: 08/12/2018] [Accepted: 08/14/2018] [Indexed: 01/18/2023]
Abstract
A nanostructured electrochemical bi-sensor system for the analysis of milks has been developed using the layer-by-layer technique. The non-enzymatic sensor [CHI+IL/CuPcS]₂, is a layered material containing a negative film of the anionic sulfonated copper phthalocyanine (CuPcS) acting as electrocatalytic material, and a cationic layer containing a mixture of an ionic liquid (IL) (1-butyl-3-methylimidazolium tetrafluoroborate) that enhances the conductivity, and chitosan (CHI), that facilitates the enzyme immobilization. The biosensor ([CHI+IL/CuPcS]₂-GAO) results from the immobilization of galactose oxidase on the top of the LbL layers. FTIR, UV⁻vis, and AFM have confirmed the proposed structure and cyclic voltammetry has demonstrated the amplification caused by the combination of materials in the film. Sensors have been combined to form an electronic tongue for milk analysis. Principal component analysis has revealed the ability of the sensor system to discriminate between milk samples with different lactose content. Using a PLS-1 calibration models, correlations have been found between the voltammetric signals and chemical parameters measured by classical methods. PLS-1 models provide excellent correlations with lactose content. Additional information about other components, such as fats, proteins, and acidity, can also be obtained. The method developed is simple, and the short response time permits its use in assaying milk samples online.
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Affiliation(s)
- Coral Salvo-Comino
- Group UVaSens, Engineers School, Universidad de Valladolid, 47011 Valladolid, Spain.
- BioecoUVA Institute, Engineers School, Universidad de Valladolid, 47011 Valladolid, Spain.
| | - Celia García-Hernández
- Group UVaSens, Engineers School, Universidad de Valladolid, 47011 Valladolid, Spain.
- BioecoUVA Institute, Engineers School, Universidad de Valladolid, 47011 Valladolid, Spain.
| | - Cristina García-Cabezón
- Group UVaSens, Engineers School, Universidad de Valladolid, 47011 Valladolid, Spain.
- BioecoUVA Institute, Engineers School, Universidad de Valladolid, 47011 Valladolid, Spain.
| | - Maria Luz Rodríguez-Méndez
- Group UVaSens, Engineers School, Universidad de Valladolid, 47011 Valladolid, Spain.
- BioecoUVA Institute, Engineers School, Universidad de Valladolid, 47011 Valladolid, Spain.
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Study of the surface mass changes during the redox transformations of copper(II) phthalocyanine-tetrasulfonic acid on gold in acidic media. J Solid State Electrochem 2017. [DOI: 10.1007/s10008-017-3547-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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8
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Sousa Carvalho RM, Yotsumoto Neto S, Carvalho Silva F, Santos Damos F, de Cássia Silva Luz R. A Sensitive Sensor Based on CuTSPc and Reduced Graphene Oxide for Simultaneous Determination of the BHA and TBHQ Antioxidants in Biodiesel Samples. ELECTROANAL 2016. [DOI: 10.1002/elan.201600187] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
| | - Sakae Yotsumoto Neto
- Department of Chemistry; Federal University of Maranhão; 65080-805 São Luís - MA Brazil
| | | | - Flavio Santos Damos
- Department of Chemistry; Federal University of Maranhão; 65080-805 São Luís - MA Brazil
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9
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Apostol P, Eccher J, Dotto MER, Costa CB, Cazati T, Hillard EA, Bock H, Bechtold IH. High rectification in organic diodes based on liquid crystalline phthalocyanines. Phys Chem Chem Phys 2015; 17:32390-7. [PMID: 26585027 DOI: 10.1039/c5cp05582b] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The optical and electrical properties of mesogenic metal-free and metalated phthalocyanines (PCs) with a moderately sized and regioregular alkyl periphery were investigated. In solution, the individualized molecules show fluorescence lifetimes of 4-6 ns in THF. When deposited as solid thin films the materials exhibit significantly shorter fluorescence lifetimes with bi-exponential decay (1.4-1.8 ns; 0.2-0.4 ns) that testify to the formation of aggregates viaπ-π intermolecular interactions. In diode structures, their pronounced columnar order outbalances the unfavorable planar alignment and leads to excellent rectification behavior. Field-dependent charge carrier mobilities are obtained from the J-V curves in the trap-limited space-charge-limited current regime and demonstrate that the metalated PCs display an improved electrical response with respect to the metal-free homologue. The excited-state lifetime characterization suggest that the π-π intermolecular interactions are stronger for the metal-free PC, confirming that the metallic centre plays an important role in the charge transport inside these materials.
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Affiliation(s)
- Petru Apostol
- Centre de Recherche Paul Pascal, Université de Bordeaux & CNRS, 115 Avenue Schweitzer, 33600 Pessac, France
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10
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Voronina AA, Filippova AA, Znoiko SA, Vashurin AS, Maizlish VE. Effect of the solvation properties of the solvent on the formation of associated structures of water-soluble Co(II) phthalocyanines. RUSS J INORG CHEM+ 2015. [DOI: 10.1134/s0036023615110236] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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11
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Yuan G, Zhang G, Zhou Y, Yang F. Synergetic adsorption and catalytic oxidation performance originating from leafy graphite nanosheet anchored iron(ii) phthalocyanine nanorods for efficient organic dye degradation. RSC Adv 2015. [DOI: 10.1039/c4ra16530f] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Leafy graphite nanosheet anchored iron(ii) phthalocyanine nanorods (FePc@LGNS) were facilely synthesized without using a complex covalent anchoring procedure.
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Affiliation(s)
- Guangén Yuan
- Key Laboratory of Industrial Ecology and Environmental Engineering
- Ministry of Education
- School of Environmental Science and Technology
- Dalian University of Technology
- Dalian 116023
| | - Guoquan Zhang
- Key Laboratory of Industrial Ecology and Environmental Engineering
- Ministry of Education
- School of Environmental Science and Technology
- Dalian University of Technology
- Dalian 116023
| | - Yufei Zhou
- Key Laboratory of Industrial Ecology and Environmental Engineering
- Ministry of Education
- School of Environmental Science and Technology
- Dalian University of Technology
- Dalian 116023
| | - Fenglin Yang
- Key Laboratory of Industrial Ecology and Environmental Engineering
- Ministry of Education
- School of Environmental Science and Technology
- Dalian University of Technology
- Dalian 116023
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12
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Karuppiah C, Devasenathipathy R, Chen S, Arulraj D, Palanisamy S, Mani V, Vasantha VS. Fabrication of Nickel Tetrasulfonated Phthalocyanine Functionalized Multiwalled Carbon Nanotubes on Activated Glassy Carbon Electrode for the Detection of Dopamine. ELECTROANAL 2014. [DOI: 10.1002/elan.201400551] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Chelladurai Karuppiah
- National Taipei University of Technology, Taipei, Taiwan fax: +886 2270 25238; tel: +886 2270 17147
| | | | - Shen‐Ming Chen
- National Taipei University of Technology, Taipei, Taiwan fax: +886 2270 25238; tel: +886 2270 17147
| | - Danial Arulraj
- Madurai Kamaraj University, Madurai, Tamil Nadu, India fax:+91‐452‐245 8449; tel:+91‐452‐245 8471, ex: 108
| | - Selvakumar Palanisamy
- National Taipei University of Technology, Taipei, Taiwan fax: +886 2270 25238; tel: +886 2270 17147
| | - Veerappan Mani
- National Taipei University of Technology, Taipei, Taiwan fax: +886 2270 25238; tel: +886 2270 17147
| | - V. S. Vasantha
- Madurai Kamaraj University, Madurai, Tamil Nadu, India fax:+91‐452‐245 8449; tel:+91‐452‐245 8471, ex: 108
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Development of a novel biosensor using cationic antimicrobial Peptide and nickel phthalocyanine ultrathin films for electrochemical detection of dopamine. Int J Anal Chem 2012; 2012:850969. [PMID: 22287966 PMCID: PMC3263607 DOI: 10.1155/2012/850969] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2011] [Accepted: 10/03/2011] [Indexed: 11/20/2022] Open
Abstract
The antimicrobial peptide dermaseptin 01 (DS 01), from the skin secretion of Phyllomedusa hypochondrialis frogs, was immobilized in nanostructured layered films in conjunction with nickel tetrasulfonated phthalocyanines (NiTsPc), widely used in electronic devices, using layer-by-layer technique. The films were used as a biosensor to detect the presence of dopamine (DA), a neurotransmitter associated with diseases such as Alzheimer's and Parkinson's, with detection limits in the order of 10−6 mol L−1. The use of DS 01 in LbL film generated selectivity in the detection of DA despite the presence of ascorbic acid found in biological fluids. This work is the first to report that the antimicrobial peptide and NiTsPc LbL film exhibits electroanalytical activity to DA oxidation. The selectivity in the detection of DA is a fundamental aspect for the development of electrochemical sensors with potential applications in the biomedical and pharmaceutical industries.
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Alessio P, Rodríguez-Méndez ML, De Saja Saez JA, Constantino CJL. Iron phthalocyanine in non-aqueous medium forming layer-by-layer films: growth mechanism, molecular architecture and applications. Phys Chem Chem Phys 2010; 12:3972-83. [DOI: 10.1039/b922242c] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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