"K. Seio,M. Tokugawa,H. Tsunoda,A. Ohkubo,F. Arisaka,M. Sekine","Assembly of pyrene-modified DNA/RNA duplexes incorporating a G-rich single strand region",,"BIOORGANIC & MEDICINAL CHEMISTRY LETTERS",,"Vol. 23","No. 24","pp. 6822-6824",2013,Dec. "Y. Iijima,S. Kojima,E. Kodama,S. Kurohagi,T. Kanamori,Y. Masaki,A. Ohkubo,M. Sekine,K. Seio","Modified oligodeoxynucleotide primers for reverse-transcription of target RNAs that can discriminate among length variants at the 3 '-terminus",,"ORGANIC & BIOMOLECULAR CHEMISTRY",,"Vol. 11","No. 47","pp. 8276-8282",2013,Dec. "A. Ohkubo,Y. Kondo,M. Suzuki,H. Kobayashi,T. Kanamori,Y. Masaki,K. Seio,K. Nagai,M. Sekine","Chemical synthesis of U1 snRNA derivatives",,"ORGANIC LETTERS",,"Vol. 15","No. 17","pp. 4386-4389",2013,Sept. "K. Seio,T. Kanamori,M. Tokugawa,H. Ohzeki,Y. Masaki,H. Tsunoda,A. Ohkubo,M. Sekine","Fluorescent properties of oligonucleotides doubly modified with an indole-fused cytosine analog and 2-aminopurine",,"BIOORGANIC & MEDICINAL CHEMISTRY",,"Vol. 21","No. 11","pp. 3197-3201",2013,June "K. Yamada,A. Ohkubo,Y. Esaka,T. Kanamori,Y. Masaki,K. Seio,M. Sekine","Base recognition of gap sites in DNA-DNA and DNA-RNA duplexes by short oligonucleotides",,"BIOORGANIC & MEDICINAL CHEMISTRY LETTERS",,"Vol. 23","No. 11","pp. 3448-3451",2013,June "K. Yamada,Y. Hattori,T. Inde,T. Kanamori,A. Ohkubo,K. Seio,M. Sekine","Remarkable stabilization of antiparallel DNA triplexes by strong stacking effects of consecutively modified nucleobases containing thiocarbonyl groups",,"BIOORGANIC & MEDICINAL CHEMISTRY LETTERS",,"Vol. 23","No. 3","pp. 776-778",2013,Feb. "Satoshi Hara,T. Nojima,KOHJI SEIO,MASASUKE YOSHIDA,TORU HISABORI","DNA-maleimide: An improved maleimide compound for electrophoresis-based titration of reactive thiols in a specific protein",,"Biochimica Et Biophysica Acta-General Subjects",,"Vol. 1830",,"pp. 3077-3081",2013,Jan.