» Articles » PMID: 37977787

Application of Surface-layer Matrix-assisted Laser Desorption/ionization Mass Spectrometry Imaging to Pharmaceutical-loaded Poly(ester Urea) Films

Overview
Journal Anal Chim Acta
Publisher Elsevier
Specialty Chemistry
Date 2023 Nov 17
PMID 37977787
Authors
Affiliations
Soon will be listed here.
Abstract

Polymer thin films are often used in transdermal patches as a method of continuous drug administration for patients with chronic illness. Understanding the drug segregation and distribution within these films is important for monitoring proper drug release over time. Surface-layer matrix-assisted laser desorption/ionization mass spectrometry imaging (SL-MALDI-MSI) is a unique analytical technique that provides an optical representation of chemical compositions that exist at the surface of polymeric materials. Solvent-free sublimation is employed for application of matrix to the sample surface, so that only molecules in direct contact with the matrix layer are detected. Here, these methodologies are utilized to visualize variations in drug concentration at both the air and substrate interface in pharmaceutical-loaded polymer films.

References
1.
Crecelius A, Alexandrov T, Schubert U . Application of matrix-assisted laser desorption/ionization mass spectrometric imaging to monitor surface changes of UV-irradiated poly(styrene) films. Rapid Commun Mass Spectrom. 2011; 25(19):2809-14. DOI: 10.1002/rcm.5164. View

2.
Dautremont E, Ebramzadeh E, Beck J, Bowen R, Sangiorgio S . Opioid Prescription and Usage in Adolescents Undergoing Orthopaedic Surgery in the United States: A Systematic Review. JBJS Rev. 2017; 5(8):e5. DOI: 10.2106/JBJS.RVW.16.00093. View

3.
Wang S, Li X, Agapov R, Wesdemiotis C, Foster M . Probing Surface Concentration of Cyclic/Linear Blend Films Using Surface Layer MALDI-TOF Mass Spectrometry. ACS Macro Lett. 2022; 1(8):1024-1027. DOI: 10.1021/mz300271w. View

4.
Khatib-Shahidi S, Andersson M, Herman J, Gillespie T, Caprioli R . Direct molecular analysis of whole-body animal tissue sections by imaging MALDI mass spectrometry. Anal Chem. 2006; 78(18):6448-56. DOI: 10.1021/ac060788p. View

5.
Tobias F, Hummon A . Considerations for MALDI-Based Quantitative Mass Spectrometry Imaging Studies. J Proteome Res. 2020; 19(9):3620-3630. PMC: 8221076. DOI: 10.1021/acs.jproteome.0c00443. View