Diagnosis of Agglomeration and Crystallinity of Active Pharmaceutical Ingredients in Over the Counter Headache Medication by Electrospray Laser Desorption Ionization Mass Spectrometry Imaging

Khan, Salah; McVey, Patrick; Taulbee-Cotton, Brynne; Webster, G; Van Meter, Mariann; Hubbard, Nathan; Dimmitt, Nathan; Green, Adam

doi:10.3390/molecules26030610

Diagnosis of Agglomeration and Crystallinity of Active Pharmaceutical Ingredients in Over the Counter Headache Medication by Electrospray Laser Desorption Ionization Mass Spectrometry Imaging

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MLA citation style (9th ed.)

Khan, Salah, et al. Diagnosis of Agglomeration and Crystallinity of Active Pharmaceutical Ingredients In Over the Counter Headache Medication by Electrospray Laser Desorption Ionization Mass Spectrometry Imaging. MDPI. 2021. marian.palni-palci-staging.notch8.cloud/concern/generic_works/d58dcb10-9ed3-4dcf-a32d-85ab828519ae?locale=de.

APA citation style (7th ed.)

K. Salah, M. Patrick, T. Brynne, W. G, V. M. Mariann, H. Nathan, D. Nathan, & G. Adam. (2021). Diagnosis of Agglomeration and Crystallinity of Active Pharmaceutical Ingredients in Over the Counter Headache Medication by Electrospray Laser Desorption Ionization Mass Spectrometry Imaging. https://marian.palni-palci-staging.notch8.cloud/concern/generic_works/d58dcb10-9ed3-4dcf-a32d-85ab828519ae?locale=de

Chicago citation style (CMOS 17, author-date)

Khan, Salah, McVey, Patrick, Taulbee-Cotton, Brynne, Webster, G, Van Meter, Mariann, Hubbard, Nathan, Dimmitt, Nathan et al. Diagnosis of Agglomeration and Crystallinity of Active Pharmaceutical Ingredients In Over the Counter Headache Medication by Electrospray Laser Desorption Ionization Mass Spectrometry Imaging. MDPI. 2021. https://marian.palni-palci-staging.notch8.cloud/concern/generic_works/d58dcb10-9ed3-4dcf-a32d-85ab828519ae?locale=de.

Note: These citations are programmatically generated and may be incomplete.

Agglomeration of active pharmaceutical ingredients (API) in tablets can lead to decreased bioavailability in some enabling formulations. In a previous study, we determined that crystalline APIs can be detected as agglomeration in tablets formulated with amorphous acetaminophen tablets. Multiple method advancements are presented to better resolve agglomeration caused by crystallinity in standard tablets. In this study, we also evaluate three "budget" over-the-counter headache medications (subsequently labeled as brands A, B, and C) for agglomeration of the three APIs in the formulation: Acetaminophen, aspirin, and caffeine. Electrospray laser desorption ionization mass spectrometry imaging (ELDI-MSI) was used to diagnose agglomeration in the tablets by creating molecular images and observing the spatial distributions of the APIs. Brand A had virtually no agglomeration or clustering of the active ingredients. Brand B had extensive clustering of aspirin and caffeine, but acetaminophen was observed in near equal abundance across the tablet. Brand C also had extensive clustering of aspirin and caffeine, and minor clustering of acetaminophen. These results show that agglomeration with active ingredients in over-the-counter tablets can be simultaneously detected using ELDI-MS imaging.

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