Nanoscale Biodegradable Printing for Designed Tuneability of Vaccine Delivery Kinetics

David J. Peeler (Co-first Author), Rujie Sun (Co-first Author), Ceren Kütahya, Patrick Peschke, Kun Zhou, Giulia Brachi, Jonathan Yeow, Omar Rifaie-Graham, Jonathan P. Wojciechowski, Thomas F. F. Fernandez Debets, Vernon LaLone, Xin Song, Krunal Polra, Paul F. McKay, John S. Tregoning, Robin J. Shattock, Molly M. Stevens*

*Corresponding author for this work

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

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Abstract

Two-photon polymerization (2PP) 3D printing enables top–down biomaterial synthesis with nanoscale spatial resolution for de novo design of monodisperse injectable drug delivery systems. Spatiotemporal Controlled Release Inks of Biocompatible polyEsters (SCRIBE) is a novel poly(lactic-co-glycolic acid)-triacrylate resin family with sub-micron resolution and tuneable hydrolysis that addresses the limitations of current 2PP resins. SCRIBE enables the direct printing of hollow microparticles with tuneable chemistry and complex geometries inaccessible to molding techniques, which are used to engineer controlled protein release in vitro and in vivo. SCRIBE microparticles are used to modulate antibody titers and class switching as a function of antigen release rate and extend these findings to enable a single-injection vaccine formulation with extended antibody induction kinetics. Demonstrating how the chemistry and computer-aided design of 2PP-printed microparticles can be used to tune responses to biomacromolecule release in vivo opens significant opportunities for a new generation of drug delivery vehicles. © 2025 The Author(s). Advanced Materials published by Wiley-VCH GmbH.
Original languageEnglish
Article number2417290
JournalAdvanced Materials
Volume37
Issue number15
Online published28 Feb 2025
DOIs
Publication statusPublished - 16 Apr 2025
Externally publishedYes

Research Keywords

  • 3D printing
  • immunoengineering
  • two photon polymerization
  • vaccine delivery

Publisher's Copyright Statement

  • This full text is made available under CC-BY 4.0. https://creativecommons.org/licenses/by/4.0/

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