期刊
ANALYTICAL AND BIOANALYTICAL CHEMISTRY
卷 415, 期 26, 页码 6573-6582出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s00216-023-04937-8
关键词
Bioanalytical methods; Biological samples; Biopolymers/lipids; Clinical/biomedical analysis; Pharmaceuticals; Polymers
In this study, three novel polymeric capture phases were developed for the selective extraction of a biomarker and its analogue drug related to neurodegenerative diseases. The results demonstrated high affinity of the sorbents towards the biomarker and drug. This approach offers a valuable tool for developing efficient analytical procedures.
Sphingolipids play crucial roles in cellular membranes, myelin stability, and signalling responses to physiological cues and stress. Among them, sphingosine 1-phosphate (S1P) has been recognized as a relevant biomarker for neurodegenerative diseases, and its analogue FTY-720 has been approved by the FDA for the treatment of relapsing-remitting multiple sclerosis. Focusing on these targets, we here report three novel polymeric capture phases for the selective extraction of the natural biomarker and its analogue drug. To enhance analytical performance, we employed different synthetic approaches using a cationic monomer and a hydrophobic copolymer of styrene-DVB. Results have demonstrated high affinity of the sorbents towards S1P and fingolimod phosphate (FTY-720-P, FP). This evidence proved that lipids containing phosphate diester moiety in their structures did not constitute obstacles for the interaction of phosphate monoester lipids when loaded into an SPE cartridge. Our suggested approach offers a valuable tool for developing efficient analytical procedures.
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