Aptamers, Nucleotide Journal Article Research Support, N.I.H., Extramural 20R035KLCI Acrylamide DNA DNA Primers DNA, Single-Stranded EC 2.7.10.1 EGFR EGFR protein, human ErbB Receptors EvaGreen Evaluation Study Immobilized Nucleic Acids Open qPCR Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S. SELEX aptamer aptamer purification binding assay cell-SELEX hybrid fluorescence melt curve analysis single-strand generation thermofluorimetric analysis