title: In situ measurements of ion-exchange processes in single polymer particles:  laser trapping microspectroscopy and confocal fluorescence microspectroscopy.
authors: H B
authors: HB
authors: Kim
authors: M
authors: M
authors: Hayashi
authors: K
authors: K
authors: Nakatani
authors: N
authors: N
authors: Kitamura
authors: K
authors: K
authors: Sasaki
authors: J
authors: J
authors: Hotta
authors: H
authors: H
authors: Masuhara