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Sensitive Determination of Gemcitabine Molecule by Novel Magnetic Solid-Phase Extraction Coupled with HPLC-DAD

Year 2025, Volume: 46 Issue: 4, 863 - 869, 30.12.2025

Halil İbrahim Ulusoy , Nil Beril Alemdar , Songül Ulusoy

https://doi.org/10.17776/csj.1316184

Abstract

Gemcitabine (GEM) is a widely employed antimetabolite with broad antineoplastic properties and is commonly administered in the treatment of pancreatic, breast, and ovarian cancers. In this study, a new sample preparation and quantification strategy was established to enable the trace-level determination of GEM. The approach integrates magnetic solid-phase extraction (MSPE) with subsequent HPLC–DAD analysis. Within the method, GEM is initially retained on a magnetic sorbent in a pH 5.0 buffer medium, followed by desorption into a reduced volume of ethanol to facilitate chromatographic measurement. Key experimental parameters particularly adsorption and desorption conditions as well as medium pH were systematically examined and optimized. Analytical performance characteristics, including the linear working range, enrichment factor, limit of detection, accuracy, and repeatability, were assessed using model solutions. Chromatographic detection of GEM was achieved at 277 nm under isocratic conditions composed of 60 % methanol, 25 % phosphate buffer at pH 6.0, and 15 % acetonitrile. Partial validation with model solutions demonstrated a detection limit of 3.43 ng mL⁻¹ and an enrichment factor of 100. Overall, the developed method offers high sensitivity, strong reproducibility, and reliable applicability for monitoring GEM at trace concentration levels.

Keywords

Analytical method development Gemcitabine HPLC Magnetic solid-phase extraction

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There are 31 citations in total.

Details

Primary Language English
Subjects Pharmaceutical Analytical Chemistry
Journal Section Research Article
Authors

Halil İbrahim Ulusoy 0000-0002-8742-5145

Nil Beril Alemdar 0009-0009-6723-2467

Songül Ulusoy 0000-0003-3640-5416

Submission Date September 19, 2025
Acceptance Date November 29, 2025
Publication Date December 30, 2025
Published in Issue Year 2025 Volume: 46 Issue: 4

Cite

APA Ulusoy, H. İ., Alemdar, N. B., & Ulusoy, S. (2025). Sensitive Determination of Gemcitabine Molecule by Novel Magnetic Solid-Phase Extraction Coupled with HPLC-DAD. Cumhuriyet Science Journal, 46(4), 863-869. https://doi.org/10.17776/csj.1316184

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