MEL (4-hydroxy-2-methyl-n-(5-methyl-2-thiazolyl)-2H-benzothiazine-3-carboxamide-1,1-dioxide) as a model drug was obtained from EGIS Ltd. (Budapest, Hungary).
HSA (lyophilized powder, purity >97%), Tween 80 (Tween), phosphate buffered saline (PBS) powder, disodium hydrogen phosphate (Na
2HPO
4), sodium dihydrogen phosphate (Na
2HPO
4),
l-α-phosphatidylcholine (PC), and
cholesterol (CHO) were purchased from Sigma Aldrich Co. Ltd. (Budapest, Hungary). The analytical grade solvents acetonitrile (MeCN), dimethyl sulfoxide (DMSO), dodecane,
formic acid, and
trifluoroacetic acid (TFA) were purchased from Merck KGaA (Darmstadt, Germany). Piroxicam, the internal standard for the HPLC method, was purchased from the Alfa Aeasar Co. (Alfa Aeasar GmbH & Co. KG, Karlsruhe, Germany). In all experiments, distilled water was purified using the Millipore Milli-Q
® (Merck Ltd., Budapest, Hungary) 140 Gradient Water Purification System.
Katona G., Balogh G.T., Dargó G., Gáspár R., Márki Á., Ducza E., Sztojkov-Ivanov A., Tömösi F., Kecskeméti G., Janáky T., Kiss T., Ambrus R., Pallagi E., Szabó-Révész P, & Csóka I. (2020). Development of Meloxicam-Human Serum Albumin Nanoparticles for Nose-to-Brain Delivery via Application of a Quality by Design Approach. Pharmaceutics, 12(2), 97.