"K. Yamada,Y. Masaki,H. Tsunoda,A. Ohkubo,K. Seio,M. Sekine","A new modified cytosine base capable of base pairing with guanine using four hydrogen bonds",,"ORGANIC & BIOMOLECULAR CHEMISTRY",,"Vol. 12","No. 14","pp. 2255-2262",2014,
"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.
"A. Ohkubo,N. Tago,A. Yokouchi,; Y. Nishino,K. Yamada,H. Tsunoda,K. Seio,M. Sekine","Synthesis of 5 '-terminal capped oligonucleotides using O-N phosphoryl migration of phosphoramidite derivatives",,"ORGANIC LETTERS",,"Vol. 14","No. 1","pp. 10-13",2012,Jan.
"A. Ohkubo,A. Yokouchi,K. Yamada,H. Tsunoda,K. Seio,M. Sekine","Synthesis and properties of oligonucleotides having 5 '-terminal 2,2,7-trimethylguanosine cap analogues",,"NUCLEIC ACID THERAPEUTICS",,"Vol. 21","No. 5","pp. A39-A40",2011,Oct.
"K. Yamada,H. Taguchi,A. Ohkubo,K. Seio,M. Sekine","Synthesis and biochemical properties of oligodeoxynucleotides acylated by the chemically stable 2-(trimethylsilyl)benzoyl (TMSBz) group at the 5 ' or 3 ' terminus",,"Tetrahedron letters",,"Vol. 51","No. 39","pp. 5173-5176",2010,Sept.
"K. Yamada,H. Taguchi,A. Ohkubo,K. Seio,M. Sekine","Synthesis and properties of nucleoside derivatives acylated by chemically stable 2-(trimethylsilyl)benzoyl group",,"Bioorganic & Medicinal Chemistry",,"Vol. 17","No. 16","pp. 5928-5932",2009,Aug.