"K. Seio,M. Tokugawa,T. Kanamori,H. Tsunoda,A. Ohkubo,M. Sekine","Synthesis and properties of cationic 2 '-O- N-(4-aminobutyl)carbamoyl modified oligonucleotides",,"BIOORGANIC & MEDICINAL CHEMISTRY LETTERS",,"Vol. 22","No. 7","pp. 2470-2473",2012,Apr. "T. Harakawa,H. Tsunoda,A. Ohkubo,K. Seio,M. Sekine","Development of an efficient method for phosphorodiamidate bond formation by using inorganic salts",,"Bioorganic & Medicinal Chemistry Letters",,"Vol. 22","No. 3","pp. 1445-1447",2012,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. "K. Seio,S. Kurohagi,E. Kodama,Y. Masaki,H. Tsunoda,A. Ohkubo,M. Sekine","Short-RNA selective binding of oligonucleotides modified using adenosine and guanosine derivatives that possess cyclohexyl phosphates as substituents",,"ORGANIC & BIOMOLECULAR CHEMISTRY",,"Vol. 10","No. 5","pp. 994-1006",2012, "A. Ohkubo,Y. Nishino,Y. Ito,H. Tsunoda,K. Seio,M. Sekine","Formation of new base pairs between inosine and 5-methyl-2-thiocytidine derivatives",,"ORGANIC & BIOMOLECULAR CHEMISTRY",,"Vol. 10","No. 10","pp. 2008-2010",2012, "T. Kanamori,Y. Masaki,M. Mizuta,H. Tsunoda,A. Ohkubo,M. Sekine,K. Seio","DNA duplexes and triplex-forming oligodeoxynucleotides incorporating modified nucleosides forming stable and selective triplexes",,"ORGANIC & BIOMOLECULAR CHEMISTRY",,"Vol. 10","No. 5","pp. 1007-1013",2012, "Y. Masaki,R. Miyasaka,K. Hirai,H. Tsunoda,A. Ohkubo,K. Seio,M. Sekine","Prediction of the stability of modified RNA duplexes based on deformability analysis: Oligoribonucleotide derivatives modified with 2 '-o-cyanoethyl-5-propynyl-2-thiouridine as a promising component",,"CHEMICAL COMMUNICATIONS",,"Vol. 48","No. 58","pp. 7313-7315",2012,