"Ink Formulation and Selection for Biological Applications of Two-Photo" by Smita M. Panda, Hossein Goodarzi Hosseinabadi et al.
 

Ink Formulation and Selection for Biological Applications of Two-Photon Polymerization

Document Type

Article

Publication Date

9-22-2023

Abstract

Two-photon polymerization (TPP) uses nonlinear light interactions in photo-cross-linkable precursors to create high-resolution (∼100 nm) structures and high dimensional fidelity. Using a near-infrared light source in TPP results in less scattering and a higher penetration depth, making it attractive for creating biological models and tissue scaffolds. Due to unmatched flexibility and spatial resolution, they range from microvascular constructs to microneedles and stents. This review reviews the working principles and current inks used for TPP-printed constructs. We discuss the advantages of TPP over conventional additive manufacturing methods for tissue engineering, vascularized models, and other biomedical applications. This review provides a short recipe for selecting inks and photoinitiators for a desired structure.

Identifier

85185347197 (Scopus)

Publication Title

ACS Applied Optical Materials

External Full Text Location

https://doi.org/10.1021/acsaom.3c00165

e-ISSN

27719855

First Page

1501

Last Page

1512

Issue

9

Volume

1

Grant

R01-DC018577

Fund Ref

National Institutes of Health

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