Colorimetric oligonucleotide-based sensor for ultra-low Hg2+ in contaminated environmental medium: convenience, sensitivity and mechanism

References

ref title DOI material type comment
3791 604 Colorimetric oligonucleotide-based sensor for ultra-low Hg2+ in contaminated environmental medium: convenience, sensitivity and mechanism https://doi.org/10.1016/j.scitotenv.2020.142579 Composite graphene oxide/gold nanoparticles (GO/AuNPs)

Materials

ref material size size err size unit size type size comment BET b nanozyme b 10n b unit specific act sa 10n sa unit comment
7830 604 GO/AuNPs TEM From the inserted TEM, it can be seen that the small amount of spherical nanoparticles with the particle size of about 30 nm were uniformly dispersed and embedded on the surface of GO. The graphene sheet is covered with tightly compressed spherical nanoparticles with particle size of about 30 nm, which should be gold nanoparticles.

Kinetics

ref material enzyme type substrate pH T km km err km 10n km unit vmax vmax err vmax 10n vmax unit kcat kcat err kcat 10n kcat unit kcat/km kcat/km 10n kcat/km unit comment
6489 604 GO/AuNPs POD 604 604

Applications

ref material application target method linear range linear ran unit LOD lod unit recovery comment
5540 604 GO/AuNPs detection of Hg2+ Hg2+ Color 5.2-120 nM 0.38 nM