Abstract

Herein, we report the design and synthesis of two novel bifunctional dendrons bearing multiple amine termini at the periphery and an azide at the focal point. Copper-catalyzed alkyne-azide cycloaddition enabled modular dendritic scaffold assembly resulting in a first generation dendron carrying six amines and a second generation dendron carrying eighteen amines. Peripheral amines were labeled with multiple copies of a metal isotope, whereas the azide functionality at the focal point was employed in conjugation to a single anti-human CD4 antibody. We demonstrated that the highly monomeric first generation dendron-antibody conjugate selectively detected CD4+ T cells in the PMBC culture.

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