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Helgi Freyr Jonsson on Muck Rack

Helgi Freyr Jonsson

As seen in: MDPI, Royal Society of Chemistry
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Articles

Optimization and Validation of an Ultra-Performance Liquid Chromatography with Quadrupole Detector Mass Spectrometry Quantification Method for the Simultaneous Detection of Tazarotene and Tazarotenic Acid in Porcine Skin: An In Vitro Study

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By Helena Hamzehpour, Helgi Freyr Jonsson, Sveinbjorn Gizurarson, Kristófer H. Hauksson
| MDPI
2. Results and Discussion 2.1. Method Development and Optimization by Design of Experiments (DoE) The DoE screening revealed notable differences in retention time when using acetonitrile or methanol as organic phases. Acetonitrile exhibited a significantly lower retention time compared to methanol, indicating its potential for faster chromatographic separation.
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Transdermal Drug Delivery of Tazarotene: Determining Tazarotene’s Potential in Local Transdermal Therapy

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By Helgi Freyr Jonsson, Fjóla Jónsdóttir, Ólafur E. Sigurjónsson, Helena Hamzehpour
| MDPI
All articles published by MDPI are made immediately available worldwide under an open access license. No special permission is required to reuse all or part of the article published by MDPI, including figures and tables. For articles published under an open access Creative Common CC BY license, any part of the article may be reused without permission provided that the original article is clearly cited. For more information, please refer to https://www.mdpi.com/openaccess.
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Studies on Gold-Nitrone Systems

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By Helgi Freyr Jonsson, Anne Fiksdahl
| Royal Society of Chemistry Verified
H. F. Jonsson and A. Fiksdahl, Dalton Trans., 2018, Accepted Manuscript , DOI: 10.1039/C8DT04254C If you are not the author of this article and you wish to reproduce material from it in a third party non-RSC publication you must formally request permission using Copyright Clearance Center. Go to our Instructions for using Copyright Clearance Center page for details.
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