Colorimetric determination of cysteine based on inhibition of GSH-Au/Pt NCs as peroxidase mimic

References

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title
DOI
material type
comment
1044Colorimetric determination of cysteine based on inhibition of GSH-Au/Pt NCs as peroxidase mimichttps://doi.org/10.1016/j.saa.2020.119257CompositeGlutathionemodified gold-platinum nanoclusters (GSH-Au/Pt NCs) with different Au/Pt molar ratios were prepared via one-pot approach and utilized as peroxidase mimics to catalyze the oxidation of 3,3’,5,5’-tetramethyl benzidine (TMB) by H2O2.

Materials

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material
size
size err
size unit
size type
size comment
BET
b nanozyme
b 10n
b unit
specific act
sa 10n
sa unit
comment
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Kinetics

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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
1044GSH-Au/Pt NCsCATH2O27.41044
1044GSH-Au/Pt NCsCATH2O2194mM6.46-7M/s8.3741/s1044
1044NH2-Co3O4PODTMB0.0181mM1.58-7M/s2.1141/s1044

Applications

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material
application
target
method
linear range
linear ran unit
LOD
lod unit
recovery
comment
1044GSH-Au/Pt NCsColorimetric detection of CyscysteineColor0.5 to 30μM0.154μM