Koji Oshita

Synthesis of novel chitosan resin possessing histidine moiety and its application to the determination of trace silver by ICP-AES coupled with triplet automated-pretreatment system

Minako Hosoba, Koji Oshita, Rosi Ketrin Katarina et al. · Analytica Chimica Acta · 2009 · 88 citations

Trace Silver, Chemical Engineering, Engineering +5

Synthesis of cross-linked chitosan possessing N-methyl-d-glucamine moiety (CCTS-NMDG) for adsorption/concentration of boron in water samples and its accurate measurement by ICP-MS and ICP-AES

Akhmad Sabarudin, Koji Oshita, Mitsukom OSHIMA et al. · Talanta · 2004 · 79 citations

Chemical Engineering, Engineering, N-methyl-d-glucamine Moiety +9

Development of column-pretreatment chelating resins for matrix elimination/multi-element determination by inductively coupled plasma-mass spectrometry

Yunhua Gao, Koji Oshita, Kyue-Hyung Lee et al. · The Analyst · 2002 · 74 citations

Functionalization of chitosan with 3,4-dihydroxybenzoic acid for the adsorption/collection of uranium in water samples and its determination by inductively coupled plasma-mass spectrometry

Akhmad Sabarudin, Mitsuko Oshima, Toshio Takayanagi et al. · Analytica Chimica Acta · 2006 · 73 citations

Environmental Chemistry, Chemical Engineering, Engineering +11

Synthesis of novel chitosan resin derivatized with serine moiety for the column collection/concentration of uranium and the determination of uranium by ICP-MS

Koji Oshita, Mitsuko Oshima, Yunhua Gao et al. · Analytica Chimica Acta · 2003 · 67 citations

Serine Moiety, Chemical Engineering, Engineering +5