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A Multifunctional Molecular Probe for Detecting Hg(2+) and Ag(+) Based on Ion-Mediated Base Mismatch

In this paper, a multifunctional biosensing platform for sensitively detecting Hg(2+) and Ag(+), based on ion-mediated base mismatch, fluorescent labeling, and strand displacement, is introduced. The sensor can also be used as an OR logic gate, the multifunctional design of sensors is realized. Firs...

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Detalles Bibliográficos
Autores principales: Wang, Luhui, Zhang, Yingying, Dong, Yafei
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2018
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6211076/
https://www.ncbi.nlm.nih.gov/pubmed/30274296
http://dx.doi.org/10.3390/s18103280
Descripción
Sumario:In this paper, a multifunctional biosensing platform for sensitively detecting Hg(2+) and Ag(+), based on ion-mediated base mismatch, fluorescent labeling, and strand displacement, is introduced. The sensor can also be used as an OR logic gate, the multifunctional design of sensors is realized. Firstly, orthogonal experiments with three factors and three levels were carried out on the designed sensor, and preliminary optimization of conditions was performed for subsequent experiments. Next, the designed sensor was tested the specificity and target selectivity under the optimized conditions, and the application to actual environmental samples further verified the feasibility. Generally, this is a convenient, fast, stable, and low-cost method that provides a variety of ideas and an experimental basis for subsequent research.