Desenvolvimento de sensores eletroquímicos baseados em nanomateriais de carbono para detecção de diquat em amostras ambientais e tadalafila em amostras farmacêuticas
Autor(a) principal: | |
---|---|
Data de Publicação: | 2019 |
Tipo de documento: | Dissertação |
Idioma: | por |
Título da fonte: | Repositório Institucional da UFSCAR |
Texto Completo: | https://repositorio.ufscar.br/handle/ufscar/11156 |
Resumo: | In this work two electrochemical sensors were proposed based on carbon nanomaterials for detection of diquat and tadalafil. For the first was proposed a surface modification of glassy carbon electrode with manioc starch and nanodiamonds dispersion. The other sensor was based on a film of vertically aligned carbon nanotubes with a copper plate like substrate. The glassy carbon electrode modified with nanodiamonds and manioc starch film was characterized electrochemical and morphological characteristics through techniques such as cyclic voltammetry, scanning electron microscopy, transmission electron microscopy, Fourier transform infrared spectroscopy and x-ray diffraction to understand the electrochemical behavior of the film. Many techniques were analyzed regarding the behavior and quantification of diquat, however, the technique that presented the highest peak current was the square wave voltammetry. After the choice of chemical and electrochemical parameters, was constructed an analytical curve with a linear range of 5.0×10−7 to 4.6×10−5 mol L −1. The limit of detection was 1.1×10−7 mol L− 1. Water samples fortified with diquat were analyzed. In comparison to the works, the glassy carbon electrode modified with nanodiamonds and manioc starch film has a good linear range and a low limit of detection. For the second electrode was chosen for morphological characterization through images obtained by scanning electron microscopy, as well as transmission; in addition to electrochemical characterizations acquired by cyclic voltammetry from the potassium ferri/ferro-cyanide like redox probe. In order to study the electrochemistry of tadalafil were analyzed some voltammetric techniques like cyclic voltammetry, linear sweep voltammetry, differential pulse voltammetry and square wave voltammetry, especially the linear sweep voltammetry in which the device reached the highest anodic peak current. Optimizing the parameters, the analytical determination of tadalafil comprised a linear concentration range of 0.85 to 8.9×10−6 mol L−1 where the limit of detection was 7.8×10−8 mol L−1. The samples selected for validation of the device were drugs obtained from pharmacies in the city of Araras being a generic and a manipulated drug. |
id |
SCAR_91516f152ec4a28762986d362981e7fb |
---|---|
oai_identifier_str |
oai:repositorio.ufscar.br:ufscar/11156 |
network_acronym_str |
SCAR |
network_name_str |
Repositório Institucional da UFSCAR |
repository_id_str |
4322 |
spelling |
Zambianco, Naiara AlanaJanegitz, Bruno Camposhttp://lattes.cnpq.br/7746094938977989Zanin, Hudson Giovanihttp://lattes.cnpq.br/3846529974544709http://lattes.cnpq.br/9258595139055239460fd2eb-3d44-46c2-bed9-53279c4123f62019-03-28T13:41:36Z2019-03-28T13:41:36Z2019-01-22ZAMBIANCO, Naiara Alana. Desenvolvimento de sensores eletroquímicos baseados em nanomateriais de carbono para detecção de diquat em amostras ambientais e tadalafila em amostras farmacêuticas. 2019. Dissertação (Mestrado em Biotecnologia) – Universidade Federal de São Carlos, São Carlos, 2019. Disponível em: https://repositorio.ufscar.br/handle/ufscar/11156.https://repositorio.ufscar.br/handle/ufscar/11156In this work two electrochemical sensors were proposed based on carbon nanomaterials for detection of diquat and tadalafil. For the first was proposed a surface modification of glassy carbon electrode with manioc starch and nanodiamonds dispersion. The other sensor was based on a film of vertically aligned carbon nanotubes with a copper plate like substrate. The glassy carbon electrode modified with nanodiamonds and manioc starch film was characterized electrochemical and morphological characteristics through techniques such as cyclic voltammetry, scanning electron microscopy, transmission electron microscopy, Fourier transform infrared spectroscopy and x-ray diffraction to understand the electrochemical behavior of the film. Many techniques were analyzed regarding the behavior and quantification of diquat, however, the technique that presented the highest peak current was the square wave voltammetry. After the choice of chemical and electrochemical parameters, was constructed an analytical curve with a linear range of 5.0×10−7 to 4.6×10−5 mol L −1. The limit of detection was 1.1×10−7 mol L− 1. Water samples fortified with diquat were analyzed. In comparison to the works, the glassy carbon electrode modified with nanodiamonds and manioc starch film has a good linear range and a low limit of detection. For the second electrode was chosen for morphological characterization through images obtained by scanning electron microscopy, as well as transmission; in addition to electrochemical characterizations acquired by cyclic voltammetry from the potassium ferri/ferro-cyanide like redox probe. In order to study the electrochemistry of tadalafil were analyzed some voltammetric techniques like cyclic voltammetry, linear sweep voltammetry, differential pulse voltammetry and square wave voltammetry, especially the linear sweep voltammetry in which the device reached the highest anodic peak current. Optimizing the parameters, the analytical determination of tadalafil comprised a linear concentration range of 0.85 to 8.9×10−6 mol L−1 where the limit of detection was 7.8×10−8 mol L−1. The samples selected for validation of the device were drugs obtained from pharmacies in the city of Araras being a generic and a manipulated drug.Neste trabalhado de mestrado foram propostos dois sensores eletroquímicos baseados em nanomateriais de carbono para detecção de diquat e tadalafila. Para isso, foi proposta uma modificação na superfície de um eletrodo de carbono vítreo com fécula de mandioca e nanodiamantes bem como a fabricação de um eletrodo à base de um filme de nanotubos de carbono verticalmente alinhados em uma placa de cobre. O primeiro eletrodo foi caracterizado a partir de seus aspectos eletroquímicos e morfológicos através de técnicas como voltametria cíclica, microscopia eletrônica de varredura, microscopia eletrônica de transmissão, espectroscopia de infravermelho com transformadas de Fourier e difração de raio-x, para compreender o comportamento eletroquímico do filme. Diferentes técnicas voltamétricas foram analisadas para entender o comportamento e quantificar diquat, entretanto, a técnica que apresentou maior corrente de pico foi a de voltametria de onda quadrada. Após otimização de parâmetros químicos e eletroquímicos, foi construída a curva analítica com faixa linear compreendendo concentrações entre 5,0×10−7 a 4,6×10−5 mol L−1. O limite de detecção foi de 1,1×10−7 mol L−1. Foram analisadas amostras de águas superficiais e águas de abastecimento fortificadas com o diquat. Em comparação com outros trabalhos, o eletrodo de carbono vítreo modificado com nanodiamantes e fécula de mandioca apresentou uma boa faixa linear e um baixo limite de detecção. Para o segundo eletrodo optou-se por caracterizações morfológicas através de imagens obtidas por microscópio eletrônico de varredura, bem como de transmissão; além de caracterizações eletroquímicas adquiridas por voltametria cíclica a partir da mistura equimolar de ferri/ferro-cianeto de potássio e como sonda redox. Para estudar a eletroquímica da molécula de tadalafila, técnicas de voltametria cíclica, varredura linear, pulso diferencial e onda quadrada foram analisadas, com destaque para a voltametria de varredura linear no qual o dispositivo atingiu a maior corrente de pico anódica. Otimizados os parâmetros, a determinação analítica compreendeu uma faixa de concentração linear entre 0,85×10−6 a 8,9×10−6 mol L−1 onde o limite de detecção foi de 7,8×10−8 mol L−1. As amostras escolhidas para validação do dispositivo foram fármacos obtidos em farmácias da cidade de Araras sendo um medicamento genérico e outro manipulado.Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)porUniversidade Federal de São CarlosCâmpus São CarlosPrograma de Pós-Graduação em Biotecnologia - PPGBiotecUFSCarSensores eletroquímicosNanomateriais de carbonoTadalafilaElectrochemical sensorCarbon nanomaterialsTadalafilDiquatCIENCIAS EXATAS E DA TERRA::QUIMICADesenvolvimento de sensores eletroquímicos baseados em nanomateriais de carbono para detecção de diquat em amostras ambientais e tadalafila em amostras farmacêuticasDevelopment of electrochemical sensors based on carbon nanomaterials for detection of diquat in environmental samples and tadalafil in pharmaceutical samplesinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesisOnline600600c1bc3574-4759-489b-8fde-5296d60427adinfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da UFSCARinstname:Universidade Federal de São Carlos (UFSCAR)instacron:UFSCARLICENSElicense.txtlicense.txttext/plain; charset=utf-81957https://repositorio.ufscar.br/bitstream/ufscar/11156/7/license.txtae0398b6f8b235e40ad82cba6c50031dMD57ORIGINALZAMBIANCO_Naiara_2019.pdfZAMBIANCO_Naiara_2019.pdfapplication/pdf1845930https://repositorio.ufscar.br/bitstream/ufscar/11156/8/ZAMBIANCO_Naiara_2019.pdf5ace88d2c7ad9b71e8358552b4278ef0MD58TEXTZAMBIANCO_Naiara_2019.pdf.txtZAMBIANCO_Naiara_2019.pdf.txtExtracted texttext/plain133956https://repositorio.ufscar.br/bitstream/ufscar/11156/9/ZAMBIANCO_Naiara_2019.pdf.txt364ad3101145ea4a5b304ba352f3a09aMD59THUMBNAILZAMBIANCO_Naiara_2019.pdf.jpgZAMBIANCO_Naiara_2019.pdf.jpgIM Thumbnailimage/jpeg5726https://repositorio.ufscar.br/bitstream/ufscar/11156/10/ZAMBIANCO_Naiara_2019.pdf.jpg756bada20ce56459e33c24722383293cMD510ufscar/111562023-09-18 18:31:41.712oai:repositorio.ufscar.br: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Repositório InstitucionalPUBhttps://repositorio.ufscar.br/oai/requestopendoar:43222023-09-18T18:31:41Repositório Institucional da UFSCAR - Universidade Federal de São Carlos (UFSCAR)false |
dc.title.por.fl_str_mv |
Desenvolvimento de sensores eletroquímicos baseados em nanomateriais de carbono para detecção de diquat em amostras ambientais e tadalafila em amostras farmacêuticas |
dc.title.alternative.eng.fl_str_mv |
Development of electrochemical sensors based on carbon nanomaterials for detection of diquat in environmental samples and tadalafil in pharmaceutical samples |
title |
Desenvolvimento de sensores eletroquímicos baseados em nanomateriais de carbono para detecção de diquat em amostras ambientais e tadalafila em amostras farmacêuticas |
spellingShingle |
Desenvolvimento de sensores eletroquímicos baseados em nanomateriais de carbono para detecção de diquat em amostras ambientais e tadalafila em amostras farmacêuticas Zambianco, Naiara Alana Sensores eletroquímicos Nanomateriais de carbono Tadalafila Electrochemical sensor Carbon nanomaterials Tadalafil Diquat CIENCIAS EXATAS E DA TERRA::QUIMICA |
title_short |
Desenvolvimento de sensores eletroquímicos baseados em nanomateriais de carbono para detecção de diquat em amostras ambientais e tadalafila em amostras farmacêuticas |
title_full |
Desenvolvimento de sensores eletroquímicos baseados em nanomateriais de carbono para detecção de diquat em amostras ambientais e tadalafila em amostras farmacêuticas |
title_fullStr |
Desenvolvimento de sensores eletroquímicos baseados em nanomateriais de carbono para detecção de diquat em amostras ambientais e tadalafila em amostras farmacêuticas |
title_full_unstemmed |
Desenvolvimento de sensores eletroquímicos baseados em nanomateriais de carbono para detecção de diquat em amostras ambientais e tadalafila em amostras farmacêuticas |
title_sort |
Desenvolvimento de sensores eletroquímicos baseados em nanomateriais de carbono para detecção de diquat em amostras ambientais e tadalafila em amostras farmacêuticas |
author |
Zambianco, Naiara Alana |
author_facet |
Zambianco, Naiara Alana |
author_role |
author |
dc.contributor.authorlattes.por.fl_str_mv |
http://lattes.cnpq.br/9258595139055239 |
dc.contributor.author.fl_str_mv |
Zambianco, Naiara Alana |
dc.contributor.advisor1.fl_str_mv |
Janegitz, Bruno Campos |
dc.contributor.advisor1Lattes.fl_str_mv |
http://lattes.cnpq.br/7746094938977989 |
dc.contributor.advisor-co1.fl_str_mv |
Zanin, Hudson Giovani |
dc.contributor.advisor-co1Lattes.fl_str_mv |
http://lattes.cnpq.br/3846529974544709 |
dc.contributor.authorID.fl_str_mv |
460fd2eb-3d44-46c2-bed9-53279c4123f6 |
contributor_str_mv |
Janegitz, Bruno Campos Zanin, Hudson Giovani |
dc.subject.por.fl_str_mv |
Sensores eletroquímicos Nanomateriais de carbono Tadalafila |
topic |
Sensores eletroquímicos Nanomateriais de carbono Tadalafila Electrochemical sensor Carbon nanomaterials Tadalafil Diquat CIENCIAS EXATAS E DA TERRA::QUIMICA |
dc.subject.eng.fl_str_mv |
Electrochemical sensor Carbon nanomaterials Tadalafil Diquat |
dc.subject.cnpq.fl_str_mv |
CIENCIAS EXATAS E DA TERRA::QUIMICA |
description |
In this work two electrochemical sensors were proposed based on carbon nanomaterials for detection of diquat and tadalafil. For the first was proposed a surface modification of glassy carbon electrode with manioc starch and nanodiamonds dispersion. The other sensor was based on a film of vertically aligned carbon nanotubes with a copper plate like substrate. The glassy carbon electrode modified with nanodiamonds and manioc starch film was characterized electrochemical and morphological characteristics through techniques such as cyclic voltammetry, scanning electron microscopy, transmission electron microscopy, Fourier transform infrared spectroscopy and x-ray diffraction to understand the electrochemical behavior of the film. Many techniques were analyzed regarding the behavior and quantification of diquat, however, the technique that presented the highest peak current was the square wave voltammetry. After the choice of chemical and electrochemical parameters, was constructed an analytical curve with a linear range of 5.0×10−7 to 4.6×10−5 mol L −1. The limit of detection was 1.1×10−7 mol L− 1. Water samples fortified with diquat were analyzed. In comparison to the works, the glassy carbon electrode modified with nanodiamonds and manioc starch film has a good linear range and a low limit of detection. For the second electrode was chosen for morphological characterization through images obtained by scanning electron microscopy, as well as transmission; in addition to electrochemical characterizations acquired by cyclic voltammetry from the potassium ferri/ferro-cyanide like redox probe. In order to study the electrochemistry of tadalafil were analyzed some voltammetric techniques like cyclic voltammetry, linear sweep voltammetry, differential pulse voltammetry and square wave voltammetry, especially the linear sweep voltammetry in which the device reached the highest anodic peak current. Optimizing the parameters, the analytical determination of tadalafil comprised a linear concentration range of 0.85 to 8.9×10−6 mol L−1 where the limit of detection was 7.8×10−8 mol L−1. The samples selected for validation of the device were drugs obtained from pharmacies in the city of Araras being a generic and a manipulated drug. |
publishDate |
2019 |
dc.date.accessioned.fl_str_mv |
2019-03-28T13:41:36Z |
dc.date.available.fl_str_mv |
2019-03-28T13:41:36Z |
dc.date.issued.fl_str_mv |
2019-01-22 |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/masterThesis |
format |
masterThesis |
status_str |
publishedVersion |
dc.identifier.citation.fl_str_mv |
ZAMBIANCO, Naiara Alana. Desenvolvimento de sensores eletroquímicos baseados em nanomateriais de carbono para detecção de diquat em amostras ambientais e tadalafila em amostras farmacêuticas. 2019. Dissertação (Mestrado em Biotecnologia) – Universidade Federal de São Carlos, São Carlos, 2019. Disponível em: https://repositorio.ufscar.br/handle/ufscar/11156. |
dc.identifier.uri.fl_str_mv |
https://repositorio.ufscar.br/handle/ufscar/11156 |
identifier_str_mv |
ZAMBIANCO, Naiara Alana. Desenvolvimento de sensores eletroquímicos baseados em nanomateriais de carbono para detecção de diquat em amostras ambientais e tadalafila em amostras farmacêuticas. 2019. Dissertação (Mestrado em Biotecnologia) – Universidade Federal de São Carlos, São Carlos, 2019. Disponível em: https://repositorio.ufscar.br/handle/ufscar/11156. |
url |
https://repositorio.ufscar.br/handle/ufscar/11156 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.confidence.fl_str_mv |
600 600 |
dc.relation.authority.fl_str_mv |
c1bc3574-4759-489b-8fde-5296d60427ad |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.publisher.none.fl_str_mv |
Universidade Federal de São Carlos Câmpus São Carlos |
dc.publisher.program.fl_str_mv |
Programa de Pós-Graduação em Biotecnologia - PPGBiotec |
dc.publisher.initials.fl_str_mv |
UFSCar |
publisher.none.fl_str_mv |
Universidade Federal de São Carlos Câmpus São Carlos |
dc.source.none.fl_str_mv |
reponame:Repositório Institucional da UFSCAR instname:Universidade Federal de São Carlos (UFSCAR) instacron:UFSCAR |
instname_str |
Universidade Federal de São Carlos (UFSCAR) |
instacron_str |
UFSCAR |
institution |
UFSCAR |
reponame_str |
Repositório Institucional da UFSCAR |
collection |
Repositório Institucional da UFSCAR |
bitstream.url.fl_str_mv |
https://repositorio.ufscar.br/bitstream/ufscar/11156/7/license.txt https://repositorio.ufscar.br/bitstream/ufscar/11156/8/ZAMBIANCO_Naiara_2019.pdf https://repositorio.ufscar.br/bitstream/ufscar/11156/9/ZAMBIANCO_Naiara_2019.pdf.txt https://repositorio.ufscar.br/bitstream/ufscar/11156/10/ZAMBIANCO_Naiara_2019.pdf.jpg |
bitstream.checksum.fl_str_mv |
ae0398b6f8b235e40ad82cba6c50031d 5ace88d2c7ad9b71e8358552b4278ef0 364ad3101145ea4a5b304ba352f3a09a 756bada20ce56459e33c24722383293c |
bitstream.checksumAlgorithm.fl_str_mv |
MD5 MD5 MD5 MD5 |
repository.name.fl_str_mv |
Repositório Institucional da UFSCAR - Universidade Federal de São Carlos (UFSCAR) |
repository.mail.fl_str_mv |
|
_version_ |
1802136354323169280 |