Jiang, M.* et al. Transdermal microneedles integrating biomimetic self-adjuvant particles for enhanced immunity. Nano Today 58:19 (2024) Kreyling, W.G. ; Semmler-Behnke, M. & Chaudhry, Q.* A complementary definition of nanomaterial. Nano Today 5, 165-168 (2010)