Inkjet Printed Melatonin on Poly(vinyl alcohol) Oral Films: Uptake in an Ex Vivo Oral Mucosal Pellicle Model
- https://doi.org/10.2991/mathi.k.201206.001How to use a DOI?
- Melatonin; inkjet printing; mucosal pellicle; TR146 cells; drug delivery
There is a growing interest in the use of melatonin in preventing radiation-induced mucositis with potential beneficial effects including prevention of mucosal damage, the emergence of ulcers and the loss of proliferative progenitor stem cells caused by radiation. Local drug delivery to the oral cavity is influenced by the oral mucosal pellicle which serves as a protective barrier between the oral epithelial surface and the external environment. In this study, we explore two key areas. Firstly, the use of thermal inkjet printing to improve the precision of drug deposition on polymeric oral films. Secondly, investigate melatonin release and penetration across an ex vivo oral mucosal pellicle model into the epithelial cancer cell line (TR146 cells). Our findings show that the deposited melatonin crystallized on the surface of the Polyvinyl Alcohol (PVA) film as the jetted droplets dried, consistent with previous work on in-jetted pharmaceutical solutions. The solid state of the deposited melatonin was further confirmed in attenuated total reflection Fourier transform infrared studies as crystalline. In addition, no new bonds detected which indicates the absence of new chemical bonds and interactions between melatonin and PVA. Investigating melatonin release and penetration across ex vivo oral mucosal pellicle model into the epithelial cancer cell line (TR146 cells) found that the amount of melatonin released was lower in the presence of saliva, likely due to the saliva initiating the formation of the mucosal pellicle through mucin–mucin interactions.
- © 2020 The Authors. Published by Atlantis Press B.V.
- Open Access
- This is an open access article distributed under the CC BY-NC 4.0 license (http://creativecommons.org/licenses/by-nc/4.0/).
Cite this article
TY - JOUR AU - Yin Ming Khor AU - Simon Gaisford AU - Guy Howard Carpenter AU - Bahijja Tolulope Raimi-Abraham PY - 2020 DA - 2020/12/14 TI - Inkjet Printed Melatonin on Poly(vinyl alcohol) Oral Films: Uptake in an Ex Vivo Oral Mucosal Pellicle Model JO - Materials Highlights SP - 1 EP - 6 VL - 2 IS - 1-2 SN - 2666-4933 UR - https://doi.org/10.2991/mathi.k.201206.001 DO - https://doi.org/10.2991/mathi.k.201206.001 ID - Khor2020 ER -