2006
DOI: 10.1016/j.snb.2005.05.028
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Gold-based screen-printed sensor for detection of trace lead

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Cited by 183 publications
(100 citation statements)
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References 15 publications
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“…Uma das celas de fluxo foi montada usando o sensor impresso da Universidade de Florença, composto por um eletrodo de trabalho de ouro (área de 7,06 mm 2 e 450 mm de espessura), um pseudo referência de Ag e um contra eletrodo de grafite. 17,18 Adicionalmente, medidas foram feitas em cela de fluxo de camada delgada da Bioanalytical Systems (West Lafayette, IN, EUA) usando eletrodo duplo de ouro cristalino (3 mm de diâmetro), sendo um desses eletrodos usado como eletrodo auxiliar. Como referência foi usado um eletrodo de Ag/AgCl (NaCl 3 mol L -1 ) modelo RE-6 da Bioanalytical System.…”
Section: Aparelhos E Reagentesunclassified
“…Uma das celas de fluxo foi montada usando o sensor impresso da Universidade de Florença, composto por um eletrodo de trabalho de ouro (área de 7,06 mm 2 e 450 mm de espessura), um pseudo referência de Ag e um contra eletrodo de grafite. 17,18 Adicionalmente, medidas foram feitas em cela de fluxo de camada delgada da Bioanalytical Systems (West Lafayette, IN, EUA) usando eletrodo duplo de ouro cristalino (3 mm de diâmetro), sendo um desses eletrodos usado como eletrodo auxiliar. Como referência foi usado um eletrodo de Ag/AgCl (NaCl 3 mol L -1 ) modelo RE-6 da Bioanalytical System.…”
Section: Aparelhos E Reagentesunclassified
“…Research pertaining to both commercially-available [21] and lab-built [22] SPEs has been widely reported due to the simple processes involved in the preparation of planar SPEs. On the other hand, modifications of the working electrode surface of SPEs have also been extensively investigated by using variety of materials, such as electrochemically reduced bismuth oxide [23], 4-carboxy-phenyl diazonium [24] and graphene/ionic liquid composite [25].…”
Section: Introductionmentioning
confidence: 99%
“…[22][23][24][25] The advantages of this kind of electrode system are its modest cost, potential portability, simplicity of operation, reliability, and their instrumental arrangement. [26][27][28][29] In addition, the rough surface of screen-printed carbon electrodes (SPCEs) has shown itself to be an excellent approach to pre-concentrate substrate on the electrode surface providing more sensitive methods using labconstructed handheld instruments.…”
Section: Introductionmentioning
confidence: 99%
“…[22][23][24][25] The advantages of this kind of electrode system are its modest cost, potential portability, simplicity of operation, reliability, and their instrumental arrangement. [26][27][28][29] In addition, the rough surface of screen-printed carbon electrodes (SPCEs) has shown itself to be an excellent approach to pre-concentrate substrate on the electrode surface providing more sensitive methods using labconstructed handheld instruments.In the present study, we report the construction and evaluation of a screen-printed carbon electrode chemically modified with poly-L-histidine film using different procedures of films preparation. Further, screen-printed electrodes modified with poly-L-histidine were applied to the determination of gold(III) based on the preconcentration of the metal on the PH-film electrode surface, with the aim of developing a simple and sensitive method for gold(III) determination in human urine.…”
mentioning
confidence: 99%