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Moda MD, Dos Santos PH, Pini NIP, Furini LN, Briso ALF, Assmann A, Fagundes TC. Effects of Different Toothpastes on the Nanomechanical Properties and Chemical Composition of Resin-Modified Glass Ionomer Cement and Composite Resin Restorations. Dent J (Basel) 2023; 11:173. [PMID: 37504240 PMCID: PMC10378367 DOI: 10.3390/dj11070173] [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: 04/30/2023] [Revised: 07/04/2023] [Accepted: 07/11/2023] [Indexed: 07/29/2023] Open
Abstract
PURPOSE This study evaluates the effects of different toothpastes on the nanohardness and chemical compositions of restorative materials and dental surfaces. METHODS Bovine enamel (n = 72) and dentin (n = 72) blocks were obtained and restored using RMGIC (n = 36) or CR (n = 36) to create the following surfaces: dentin adjacent to RMGIC (DRMGIC), enamel adjacent to RMGIC (ERMGIC), dentin adjacent to CR (DCR), and enamel adjacent to CR (ECR). After restoration, one hemiface of each specimen was coated with an acid-resistant varnish to facilitate the creation of control (C) and eroded (E) sides; the latter were achieved by erosion-abrasion cycles as follows: erosion with 1% citric acid: 5 days, four times for 2 min each day; 1% citric acid/abrasion, two times for 15 s, followed by immersion in a toothpaste slurry for 2 min. Toothpastes without fluoride (WF; n = 12), with sodium fluoride (NaF; n = 12), and with stannous fluoride (SnF2; n = 12) were used for RMGIC or CR. The specimens were analyzed for nanohardness (H), and chemical composition using energy-dispersive X-ray spectroscopy and Raman microscopy. The data were statistically analyzed using two-way repeated measures ANOVA and Tukey's test (α = 0.05). RESULTS Lower H values were obtained with NaF for DRMGIC-C, with a statistically significant difference from the H value obtained with WF (p < 0.05). The calcium and phosphorus concentrations in DCR-E were significantly lower with WF than with the other types of toothpaste (p < 0.05). Fluoride-containing toothpastes are capable of preserving the main chemical components of the dentin adjacent to the restorative materials under erosive-abrasive conditions.
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Affiliation(s)
- Mariana Dias Moda
- Department of Preventive and Restorative Dentistry, Araçatuba School of Dentistry, São Paulo State University (UNESP), Araçatuba 16015-050, SP, Brazil
| | - Paulo Henrique Dos Santos
- Faculty of Dentistry, Dental Research Institute-Restorative Dentistry, University of Toronto, Toronto, ON M5S 1A1, Canada
| | - Nubia Inocencya Pavesi Pini
- Department of Preventive and Restorative Dentistry, Araçatuba School of Dentistry, São Paulo State University (UNESP), Araçatuba 16015-050, SP, Brazil
| | - Leonardo Negri Furini
- Department of Physics, Federal University of Santa Catarina, Florianópolis 88040-900, SC, Brazil
| | - André Luiz Fraga Briso
- Department of Preventive and Restorative Dentistry, Araçatuba School of Dentistry, São Paulo State University (UNESP), Araçatuba 16015-050, SP, Brazil
| | - André Assmann
- Department of Engineering and Exact Sciences, Federal University of Paraná, Palotina 85950-000, PR, Brazil
| | - Ticiane Cestari Fagundes
- Department of Preventive and Restorative Dentistry, Araçatuba School of Dentistry, São Paulo State University (UNESP), Araçatuba 16015-050, SP, Brazil
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Maximino MD, Martin CS, Pereira MS, Aléssio P. Metallic Phthalocyanines: impact of the film deposition method on its supramolecular arrangement and sensor performance. AN ACAD BRAS CIENC 2019; 91:e20181201. [PMID: 31778456 DOI: 10.1590/0001-3765201920181201] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2018] [Accepted: 02/05/2019] [Indexed: 11/21/2022] Open
Abstract
This short review gives a concise overview of the impact of deposition methods on the supramolecular arrangement of metallic phthalocyanine films and their applications. Primarily, an introduction about the possible phthalocyanine molecular structures and derivatives obtained from modification on the phthalocyanine rings was presented. The possibility of perfecting/improving the supramolecular arrangement of metallic phthalocyanine (MPcs) films by using different deposition techniques such as Langmuir-Blodgett (LB), Langmuir-Schaefer (LS), Layer-by-Layer (LbL), physical vapor deposition (PVD) and electrodeposition was discussed in further details. Herein, we highlighted some techniques used on the characterization of supramolecular arrangement (morphology, optical properties, and molecular organization), including the impact on sensing applications. The main scope of this short review is focused on the advances made in this research field in the last five years.
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Affiliation(s)
- Mateus D Maximino
- São Paulo State University (UNESP), School of Technology and Applied Sciences, 305 Roberto Simonsen St, 19060-900 Presidente Prudente, SP, Brazil
| | - Cibely S Martin
- São Paulo State University (UNESP), School of Technology and Applied Sciences, 305 Roberto Simonsen St, 19060-900 Presidente Prudente, SP, Brazil
| | - Matheus S Pereira
- São Paulo State University (UNESP), School of Technology and Applied Sciences, 305 Roberto Simonsen St, 19060-900 Presidente Prudente, SP, Brazil
| | - Priscila Aléssio
- São Paulo State University (UNESP), School of Technology and Applied Sciences, 305 Roberto Simonsen St, 19060-900 Presidente Prudente, SP, Brazil
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Feitosa E, Lemos M, Adati RD. Mixed Cationic Surfactant Vesicles in (Dioctadecyldimethylammonium Bromide)/NaCl and (Dioctadecyldimethylammonium Chloride)/NaBr Aqueous Dispersions. J SURFACTANTS DETERG 2019. [DOI: 10.1002/jsde.12329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Eloi Feitosa
- Department of PhysicsSão Paulo State University, Rua Cristovao Colombo 2265 15.054‐000 São José do Rio Preto São Paulo Brazil
| | - Monique Lemos
- Department of PhysicsSão Paulo State University, Rua Cristovao Colombo 2265 15.054‐000 São José do Rio Preto São Paulo Brazil
| | - Renata D. Adati
- Department of Chemistry and BiologyFederal University of Technology ‐ Paraná (UTFPR) Curitiba Brazil
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Karuppiah C, Sakthinathan S, Chen SM, Manibalan K, Chen SM, Huang ST. A non-covalent functionalization of copper tetraphenylporphyrin/chemically reduced graphene oxide nanocomposite for the selective determination of dopamine. Appl Organomet Chem 2015. [DOI: 10.1002/aoc.3397] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Chelladurai Karuppiah
- Electroanalysis and Bioelectrochemistry Lab, Department of Chemical Engineering and Biotechnology; National Taipei University of Technology; No. 1, Section 3, Chung-Hsiao East Road Taipei 106 Taiwan (ROC)
| | - Subramanian Sakthinathan
- Electroanalysis and Bioelectrochemistry Lab, Department of Chemical Engineering and Biotechnology; National Taipei University of Technology; No. 1, Section 3, Chung-Hsiao East Road Taipei 106 Taiwan (ROC)
| | - Shen-Ming Chen
- Electroanalysis and Bioelectrochemistry Lab, Department of Chemical Engineering and Biotechnology; National Taipei University of Technology; No. 1, Section 3, Chung-Hsiao East Road Taipei 106 Taiwan (ROC)
| | - Kesavan Manibalan
- Electroanalysis and Bioelectrochemistry Lab, Department of Chemical Engineering and Biotechnology; National Taipei University of Technology; No. 1, Section 3, Chung-Hsiao East Road Taipei 106 Taiwan (ROC)
| | - Sin-Ming Chen
- Electroanalysis and Bioelectrochemistry Lab, Department of Chemical Engineering and Biotechnology; National Taipei University of Technology; No. 1, Section 3, Chung-Hsiao East Road Taipei 106 Taiwan (ROC)
| | - Sheng-Tung Huang
- Electroanalysis and Bioelectrochemistry Lab, Department of Chemical Engineering and Biotechnology; National Taipei University of Technology; No. 1, Section 3, Chung-Hsiao East Road Taipei 106 Taiwan (ROC)
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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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Medina-Plaza C, Revilla G, Muñoz R, Fernández-Escudero JA, Barajas E, Medrano G, de Saja JA, Rodriguez-Mendez ML. Electronic tongue formed by sensors and biosensors containing phthalocyanines as electron mediators: Application to the analysis of red grapes. J PORPHYR PHTHALOCYA 2014. [DOI: 10.1142/s1088424613501137] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
An electronic tongue formed by voltammetric sensors and biosensors containing phthalocyanines has been developed and used to analyze grapes of different varieties. The sensors are prepared using the carbon paste technique and have been chemically modified with different metallophthalocyanines. In turn, biosensors consist of carbon paste electrodes modified with phthalocyanines combined with tyrosinase or glucose oxidase. The response of the individual sensors towards model solutions of glucose and catechol have demonstrated that the voltammetric responses depend on the nature of the phthalocyanine, evidencing the important role of the electron mediator in the performance of the sensors. The capability of the system to discriminate grapes according to their sugar and their polyphenolic content has been evidenced using Principal Component Analysis. It has been demonstrated that the proposed array of sensors combines the advantages of classical phthalocyanine based sensors — that provide global information about the sample —, with the specificity of the enzyme substrate reaction typical of biosensors. For this reason, the selectivity of the multisensor system and its capability of discrimination is clearly improved when biosensors containing glucose oxidase or tyrosinase are included in the array.
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Affiliation(s)
- Cristina Medina-Plaza
- Department of Inorganic Chemistry, Escuela de Ingenierías Industriales, Universidad de Valladolid, Paseo del Cauce, 59, 47011 Valladolid, Spain
| | - Gema Revilla
- Department of Inorganic Chemistry, Escuela de Ingenierías Industriales, Universidad de Valladolid, Paseo del Cauce, 59, 47011 Valladolid, Spain
| | - Raquel Muñoz
- Departamento de Bioquímica y Biología Molecular, Universidad de Valladolid, Spain
| | | | - Enrique Barajas
- ITACYL Avenida de Burgos, KM.118 Finca Zamadueñas, 47071 Valladolid, Spain
| | - Germán Medrano
- R&D Dept. Bodega Cooperativa de Cigales, C/Las Bodegas s/n, 47270 Cigales, Valladolid, Spain
| | - José Antonio de Saja
- Department of Condensed Matter Physics, Universidad de Valladolid, 47011 Valladolid, Spain
| | - Maria Luz Rodriguez-Mendez
- Department of Inorganic Chemistry, Escuela de Ingenierías Industriales, Universidad de Valladolid, Paseo del Cauce, 59, 47011 Valladolid, Spain
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