A highly homogeneous polymer composed of tetrahedron-like monomers for high-isotropy expansion microscopy - Ruixuan Gao; Chih-Chieh Yu; Linyi Gao; Kiryl D. Piatkevich; Rachael L. Neve; James B. Munro; Srigokul Upadhyayula; Edward S. Boyden (2021)