Development and experimental validation of a non-invasive near-infrared spectroscopic sensor system for blood glucose monitoring. - Zilgarayeva, Aliya; Luganskaya, Saule; Smaylov, Nurzhigit; Nurpeissova, Dinara; Mussapirova, Gulzada; Kulambayev, Bakhytzhan; Avelbekova, Saltanat (Advances in Science & Technology Research Journal, 2026)