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Colorimetric detection of DNA sequences based on electrostatic interactions with unmodified gold nanoparticles

We find that single- and double-stranded oligonucleotides have different propensities to adsorb on gold nanoparticles in colloidal solution. We use this observation to design a hybridization assay based on color changes associated with gold aggregation. Because the underlying adsorption mechanism is...

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Detalles Bibliográficos
Publicado en:Proc Natl Acad Sci U S A
Main Authors: Li, Huixiang, Rothberg, Lewis
Formato: Artigo
Idioma:Inglês
Publicado: National Academy of Sciences 2004
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Acceso en liña:https://ncbi.nlm.nih.govhttps://pmc.ncbi.nlm.nih.gov/articles/PMC521116/
https://ncbi.nlm.nih.govhttps://pubmed.ncbi.nlm.nih.gov/15381774/
https://ncbi.nlm.nih.govhttps://doi.org/10.1073/pnas.0406115101
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