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Highly Sensitive and Selective Colorimetric Sensors for Uranyl (UO(2)(2+)): Development and Comparison of Labeled and Label-Free DNAzyme-Gold Nanoparticle Systems

Colorimetric uranium sensors based on uranyl (UO(2)(2+)) specific DNAzyme and gold nanoparticles (AuNP) have been developed and demonstrated using both labeled and label-free methods. In the labeled method, a uranyl-specific DNAzyme was attached to AuNP, forming purple aggregates. The presence of ur...

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Hlavní autoři: Lee, Jung Heon, Wang, Zidong, Liu, Juewen, Lu, Yi
Médium: Artigo
Jazyk:Inglês
Vydáno: 2008
Témata:
On-line přístup:https://ncbi.nlm.nih.gov/pmc/articles/PMC2667950/
https://ncbi.nlm.nih.gov/pubmed/18837498
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1021/ja803607z
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