Fluorescence labeling of a cytokine with desthiobiotin-tagged fluorescent puromycin. [2008] Title Fluorescence labeling of a cytokine with desthiobiotin-tagged fluorescent puromycin.J. Biosci. Bioeng. 105, 238-242. Author Akihiko Sakamoto, Mai Yamagishi, Takafumi Watanabe, Youichi Aizawa, Takashi Kato, and Takashi Funatsu Related Products and Services PUREfrex®