< 110 > Korea Research Institute of Chemical Technology < 120 > Composition for detecting nucleotide comprising duplex molecular beacon and graphene oxide , and colorimetric signal enhancement method of detecting nucleotide using the same < 130 > 2019 P - 06 - 040 < 160 > 4 < 170 > KoPatentIn 3 . 0 < 210 > 1 < 211 > 22 < 212 > RNA < 213 > Unknown < 220 > < 223 > purchased from Bioneer ( Daejeon , Korea ) < 400 > 1 uggaguguga caaugguguu ug 22 < 210 > 2 < 211 > 28 < 212 > DNA < 213 > Unknown < 220 > < 223 > purchased from Genotech ( Daejeon , Korea ) < 400 > 2 acccttcaaa caccattgtc acactcca 28 < 210 > 3 < 211 > 35 < 212 > DNA < 213 > Unknown < 220 > < 223 > purchased from Genotech ( Daejeon , Korea ) < 400 > 3 tgacaatggt gtttgaaggg tagggcgggt tggga 35 < 210 > 4 < 211 > 18 < 212 > DNA < 213 > Unknown < 220 > < 223 > purchased from Genotech ( Daejeon , Korea ) < 400 > 4 gggtagggcg ggttggga 18