Design and development of a novel fused filament fabrication (FFF) 3D printed diffusion cell with UV imaging capabilities to characterise permeation in pharmaceutical formulations

Zayeem Fazili, Adam Ward, Karl Walton, Liam Blunt, Kofi Asare-Addo

Research output: Contribution to journalArticle

Abstract

The present work aimed at designing and developing a novel 3D printed diffusion cell capable of UV imaging using the fused filament fabrication (FFF) method. UV imaging has proven to be very versatile in the area of pharmaceutics giving insights into various phenomena including the dissolution behaviour of dosage forms, intrinsic dissolution rates and the drug precipitation processes. A 3D printed diffusion cell in the similitude of a Franz cell was successfully printed using polylactic acid (PLA) filaments equipped with quartz for the imaging area. A model ibuprofen (IBU) gel formulation was tested by introducing the dosage form through the 3D printed donor compartment. The drug concentration permeated through the skin mimic (silicone membrane) was determined from the 3D printed receptor compartment using UV imaging in real-time. The results showed successful UV imaging of the permeation of IBU gel in the novel diffusion cell potentially negating further analytical testing such as the HPLC process required for Franz cell tests thereby reducing costs. Potential interactions between the drug and filament used in the 3D printed process suggests although this concept can be moved towards commercialisation, care should be taken with choice of filament used in the 3D printing process.
Original languageEnglish
Pages (from-to)202-209
Number of pages8
JournalEuropean Journal of Pharmaceutics and Biopharmaceutics
Volume152
Early online date19 May 2020
DOIs
Publication statusPublished - 1 Jul 2020

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