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A widened emission window of the peroxydisulfate-oxygen system for the detection of L-alanine.
Ran, Peiyao; Zhu, Shu; Song, Jinyi; Wu, Jingling; Mo, Fangjing; Fu, Yingzi.
Afiliación
  • Ran P; Key Laboratory on Luminescence and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China.
  • Zhu S; Key Laboratory on Luminescence and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China.
  • Song J; Key Laboratory on Luminescence and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China.
  • Wu J; Key Laboratory on Luminescence and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China.
  • Mo F; Key Laboratory on Luminescence and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China.
  • Fu Y; Key Laboratory on Luminescence and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China. Electronic address: fyzc@swu.edu.cn.
Colloids Surf B Biointerfaces ; 169: 418-421, 2018 09 01.
Article en En | MEDLINE | ID: mdl-29807340
Peroxydisulfate-oxygen (S2O82--O2) system has become one of the most used systems in electrogenerated chemiluminscence (ECL) field. Due to S2O82- can be used as Fenton Reagent, this work designed an ECL biosensor based on the S2O82--O2 system for the detection of L-alanine in a widened emission window and using hemin/G-quadruplex and platinum and palladium nanowires (Pt-Pd NWs) to in situ generate O2 to amplify the ECL intensity. The proposed ECL sensor showed an excellent analytical property for the detection of L-alanine in a linear range of 5.0 × 10-3 M to 1.0 × 10-8 M with the detection limit of 3.3 × 10-9 M (S/N = 3). This work with high selectivity, stability and reproducibility may open a new door to apply S2O82- in ECL field.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Oxígeno / Sulfatos / Alanina Tipo de estudio: Diagnostic_studies Idioma: En Revista: Colloids Surf B Biointerfaces Asunto de la revista: QUIMICA Año: 2018 Tipo del documento: Article País de afiliación: China Pais de publicación: Países Bajos
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Oxígeno / Sulfatos / Alanina Tipo de estudio: Diagnostic_studies Idioma: En Revista: Colloids Surf B Biointerfaces Asunto de la revista: QUIMICA Año: 2018 Tipo del documento: Article País de afiliación: China Pais de publicación: Países Bajos