Sharifuddin, N. A. K., Ng, N., Dagil, G., & Abdul Keyon, A. S. (2025). Optimization of Magnetic Micro Solid-Phase Extraction Using Alginate Chitosan Amine-Functionalized Silica-Coated Adsorbent for Determination of Pyrocatechol in Coffee. Journal of Materials in Life Sciences , 4(1), 63–68. https://doi.org/10.11113/jomalisc.v4.89