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Printability of External and Internal Structures Based on Digital Light Processing 3D Printing Technique by Yang, Yan; Zhou, Yanjun; Lin, Xiao; Yang, Qingliang; Yang, Gengshen is a Pharmacology, Toxicology and Pharmaceutics article available to read on EtoBox.

What is Printability of External and Internal Structures Based on Digital Light Processing 3D Printing Technique about?

The high printing efficiency and easy availability of desktop digital light processing (DLP) printers have made DLP 3D printing a promising technique with increasingly broad application prospects, particularly in personalized medicine. The objective of this study was to fabricate and evaluate medical samples with external and internal structures using the DLP technique. The influence of different additives and printing parameters on the printability and functionality of this technique was thoroughly evaluated. It was observed that the printability and mechanical properties of external structures were affected by the poly(ethylene glycol) diacrylate (PEGDA) concentration, plasticizers, layer height, and exposure time. The optimal printing solutions for 3D external and internal structures were 100% PEGDA and 75% PEGDA with 0.25 mg/mL tartrazine, respectively. And the optimal layer height for 3D external and internal structures were 0.02 mm and 0.05 mm, respectively. The optimal sample with external structures had an adequate drug-loading ability, acceptable sustained-release characteristics, and satisfactory biomechanical properties. In contrast, the printability of internal structur

Who reads Printability of External and Internal Structures Based on Digital Light Processing 3D Printing Technique?

Author

Yang, Yan; Zhou, Yanjun; Lin, Xiao; Yang, Qingliang; Yang, Gengshen

Publisher

MDPI AG; Multidisciplinary Digital Publishing Institute (MDPI); Basel: MDPI, 2009- (ISSN 1999-4923)

Published

2020

Language

EN

Field

Pharmacology, Toxicology and Pharmaceutics (Life Sciences)