Research Article
New Bismuth Germanate Oxide Nanoparticle Material for Biolabel Applications in Medicine
Figure 5
(a) Photoluminescence spectra of the BGO powder in different fluids: human urine (green), blood serum (red), water (blue), BSA protein (pink), and air (black). (b) Emission spectra of BGO dispersed in distilled water with different pH values: pH 1 (red), pH 5.7 (green), and pH 12 (blue). Emission spectrum in air (without fluid) was included for comparison (black). nm.
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