Intrinsic peroxidase-like activity of 4-amino hippuric acid reduced/stabilized gold nanoparticles and its application in the selective determination of mercury and iron in ground water

References

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466Intrinsic peroxidase-like activity of 4-amino hippuric acid reduced/stabilized gold nanoparticles and its application in the selective determination of mercury and iron in ground waterhttps://doi.org/10.1016/j.saa.2019.117805Metal4-aminohippuric acid (4-AHA) reduced/stabilized gold nanoparticles

Materials

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4664-AHA@AuNPs nanoparticles5.91.7nmTEMThe produced nanoparticles were quasi-spherical in shape with average particle size of about 5.9 ± 1.7 nm [Fig. 2b].

Kinetics

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4664-AHA@AuNPs nanoparticlesPODH2O2215μM2.4-7M/s466
4664-AHA@AuNPs nanoparticlesPODTMB22μM1.6-7M/s466466

Applications

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4664-AHA@AuNPs nanoparticlesselective determination of mercury and iron in ground waterFe3+Color5–50ppb4.0ppb
4664-AHA@AuNPs nanoparticlesselective determination of mercury and iron in ground waterHg2+Color5-200ppb2.5ppb