title: An intein-mediated site-specific click conjugation strategy for improved tumor targeting of nanoparticle systems.
authors.affiliation: Department of Bioengineering, University of Pennsylvania, 210 South 33rd Street, 240 Skirkanich Hall, Philadelphia, PA 19104, USA.
authors.forename: Drew R
authors.initials: DR
authors.lastname: Elias
authors.forename: Zhiliang
authors.initials: Z
authors.lastname: Cheng
authors.forename: Andrew
authors.initials: A
authors.lastname: Tsourkas