Covalent functionalization of single-walled carbon nanotubes with polytyrosine: Characterization and analytical applications for the sensitive quantification of polyphenols
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- 作者：Marcos Eguí ; laza ; Alejandro Gutié ; rreza ; Fabiana Gutierreza ; Jose Miguel Gonzá ; lez-Domí ; nguezb ; 1 ; Alejandro Ansó ; n-Casaosb ; Javier Herná ; ndez-Ferrerb ; Nancy F. Ferreyraa ; Marí ; a T. Martí ; nezb ; mtmartinez@icb.csic.es" class="auth_mail" title="E-mail the corresponding author ; Gustavo Rivasa ; grivas@fcq.unc.edu.ar" class="auth_mail" title="E-mail the corresponding author
- 关键词：Single-walled carbon nanotubes ; Covalent functionalization ; Polytyrosine ; Gallic acid
- 刊名：Analytica Chimica Acta
- 出版年：2016
- 出版时间：25 February 2016
- 年：2016
- 卷：909
- 期：Complete
- 页码：51-59
- 全文大小：1739 K
文摘
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Covalent modification of SWCNT with polytyrosine facilitates their dispersion.
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SWCNT-Polytyr is successfully deposited at GCE, at variance with GCE/SWCNT-ox.
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Oxidation of tyrosine residues offers an intrinsic signal to follow the presence of SWCNT at GCE.
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GCE/SWCNT-Polytyr allows the nanomolar detection of gallic acid.
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GCE/SWCNT-Polytyr is successfully used to quantify polyphenols in tea samples.
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