An ultrasensitive label-free colorimetric biosensor for the detection of glucose based on glucose oxidase-like activity of nanolayered manganese-calcium oxide

References

ref title DOI material type comment
4070 884 An ultrasensitive label-free colorimetric biosensor for the detection of glucose based on glucose oxidase-like activity of nanolayered manganese-calcium oxide https://doi.org/10.1016/j.aca.2020.03.021 Composite nanolayered manganese-calcium (MneCa) oxide (NL-MnCaO2)

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
8079 884 NL-MnCaO2 nm TEM, SEM morphological studies of the prepared oxides were carried out using SEM and TEM. The SEM and TEM images are shown in Fig. 1C and 1D. These images represent aggregated nanoparticles and morphology similar to a crumpled paper.

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
6792 884 NL-MnCaO2 OXD TMB 0.087 mM 97.83 -8 M/s 884
6787 884 NL-MnCaO2 CAT 884
6782 884 NL-MnCaO2 OXD OPD 50.99 38.3 mM 0.49 0.31 mM/min 884
6777 884 NL-MnCaO2 OXD H2O2 0.549 mM 884

Applications

ref material application target method linear range linear ran unit LOD lod unit recovery comment
5810 884 NL-MnCaO2 confirmed the application of these compounds for the detection of glucose in human serum samples glucose 6.12 nM