Thi Trang, N.; Thi Thao, D.; Thi Nga, N.; Thi Cuc, N. Evaluation of Nanosilver Solution Stability Using UV-Vis Spectral Absorbency Analysis and Antibacterial Activities on Escherichia Coli and Staphylococcus Aureus. Vietnam J. Biotechnol. 2021, 19, 749-754.