Efficient two-step chemoenzymatic conjugation of antibody fragments with reporter compounds by a specific thiol-PEG-amine Linker, HS-PEG-NH2. - Sato, Haruya; Kataoka, Yukiko; Nishikawa, Youichi; Okano, Daiki; Nagai, Mami; Yamauchi, Yoshio; Taoka, Masato; Naitoh, Katsuki (PLoS ONE, 2025)