2004
DOI: 10.1016/j.electacta.2003.11.005
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Electronic and ionic exchange in poly(5-amino 1-naphthol) in acid aqueous solution

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Cited by 10 publications
(7 citation statements)
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“…This is an important feature to consider when dealing with clinical samples, in which those substances are present. In this case, the free -OH groups present in poly(5-NH 2 -1-NAP) chain provide a high electronic density to the polymer, acting as a electrostatic repulsion layer for the anionic interferents cited [20,[22][23].…”
Section: Interferentsmentioning
confidence: 98%
See 1 more Smart Citation
“…This is an important feature to consider when dealing with clinical samples, in which those substances are present. In this case, the free -OH groups present in poly(5-NH 2 -1-NAP) chain provide a high electronic density to the polymer, acting as a electrostatic repulsion layer for the anionic interferents cited [20,[22][23].…”
Section: Interferentsmentioning
confidence: 98%
“…This is the case of poly(5-amino-1-naphthol) (poly(5-NH 2 -1-NAP), Scheme 1), a polymer that was used in addition to PPy in the development of ammonia amperometric sensors [20][21]. Poly(5-NH 2 -1-NAP) presents a "polyaniline-like" structure with free -OH groups [22][23] that can undergo a chemical reaction to provide a covalent linkage between the polymeric chain and an enzyme, for example urease, as it will be shown in this work.…”
Section: Introductionmentioning
confidence: 99%
“…Redox reactions: the polymer shows both quinone and PANI electrochemistry [896]: (2.43) (2.44) 44 2 Classification of Electrochemically Active Polymers 2.3.2 Poly(5-Amino-1-Naphthol) [897,898] Synthesis: oxidative electropolymerization from 5-amino-1-naphthol in acid media. In basic media, the polymerization proceeds through the oxidation of the -OH group and yields the poly(naphthalene oxide) structure [897].…”
Section: Electronically Conducting Polymers With Built-in Ormentioning
confidence: 99%
“…Conforme descrito na literatura por Cintra e colaboradores [125][126][127] Curiosamente a formação deste polímero ocorreu sem a necessidade de modificar o intervalo de potencial, pois como descrito por Cintra [125] , em meio aquoso ácido é necessário permanecer os dois primeiros ciclos a um valor de potencial para a oxidação do monômero, e em seguida o potencial final tem que ser reduzido para não permitir que o próprio monômero radicalar reoxide e forme subprodutos não eletroativos. Aproveitando a obtenção do poli(5A1N) no líquido iônico sem a presença do ácido, foi realizado uma imagem de microscopia de Varredura Eletrônica -MEV, conforme apresentado na figura 6.7 a seguir, para verificar a sua morfologia após a deposição sobre o eletrodo de trabalho.…”
Section: Perspectivas Futurasunclassified