Table 1 The weight loss percentages calculated from TGA for SiO2:Eu, SiO2:Eu-NH2 and SiO2:Eu-COOH functionalized nanoparticles.

From: Femtogram Level Sensitivity achieved by Surface Engineered Silica Nanoparticles in the Early Detection of HIV Infection

Sample

Weight loss (Wt%)

Difference in wt loss (Wt%)

SiO2:Eu

2.91

—

SiO2:Eu-NH2

6.70

3.79

SiO2:Eu-COOH

13.10

6.40

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