@article{oai:kansai-u.repo.nii.ac.jp:00011531, author = {Okuno, Shoji and Shiokawa, Akito and Ogawa, Kimiya and Irie, Hidenobu and Ohmoto, Masayoshi and Fujiwara, Hiroki and Arakawa, Ryuichi}, issue = {4}, journal = {Journal of the Mass Spectrometry Society of Japan}, month = {}, note = {Methoxymethylbenzoguanamine resins were analyzed by matrix-assisted laser desorption/ionization timeof-flight mass spectrometry (MALDI-TOF-MS) and electrospray ionization mass spectrometry (ESI-MS). In the case of MALDI-TOF-MS measurements, they could not be characterized because fragmentation occurred considerably. On the ESI-MS measurement, optimization of needle voltage, cone voltage, and cationizing agent made their molecular-related ions intense with little fragmentation. Cluster ions were formed owing to hydrogen bond among their complex components. Gel permeation chromatography (GPC) was used to fractionate the resins. As a result, different oligomer components could be characterized in detail.}, pages = {472--476}, title = {Analysis of Methoxymethylbenzoguanamine Resins Using Matrix-Assisted Laser Desorption/Ionization Time-of-Flight Mass Spectrometry and Electrospray Ionization Mass Spectrometry}, volume = {51}, year = {2003} }