Label-free and high-sensitive detection of Kirsten rat sarcoma viral oncogene homolog and epidermal growth factor receptor mutation using Kelvin probe force microscopy.

Abstract excerpt

Assessment of Kirsten rat sarcoma viral oncogene homolog (KRAS) and epidermal growth factor receptor (EGFR) mutations are essential for targeted therapies of patients with non-small-cell lung cancer. In this report, we propose a label-free and high-sensitive detection method of KRAS and EGFR mutations using KPFM and a gold nanoparticle (AuNP)-based platform that densely adsorbs probe DNA and minimizes the sensing...

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