Persistent peroxidase mimics of graphene oxide anchored cerium molybdate sensor: An effective colorimetric detection of S2− and Sn2+ ions

References

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title
DOI
material type
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296Persistent peroxidase mimics of graphene oxide anchored cerium molybdate sensor: An effective colorimetric detection of S2− and Sn2+ ionshttps://doi.org/10.1016/j.microc.2019.104290Otherscerium molybdate (CeM) and GO-cerium molybdate (GOCeM)

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
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296CeMXRDThe crystallite size of CeM was found ~3.1 nm. The length of cotiledones shaped CeM was observed ~ 10 μm, average diameter was ~ 2.5 μm and the average thickness of particles was 350 nm.

Kinetics

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substrate
pH
T
km
km err
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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
296GO-CeM (ex-situ)PODH2O20.44mM2.5-8M/s296296
296CeMPODH2O20.46mM0.99-8M/s296
296CeMPODTMB0.66mM1.71-8M/s296
296GO-CeM (in-situ)PODH2O20.45mM1.42-8M/s296
296GO-CeM (in-situ)PODTMB0.39mM1.78-8M/s296
296GO-CeM (ex-situ)PODTMB0.3mM2.5-8M/s296

Applications

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material
application
target
method
linear range
linear ran unit
LOD
lod unit
recovery
comment
296GO-CeM (ex-situ)Tin (Sn2+) ion detectionSn2+Color10-80μM5.58μM
296GO-CeM (ex-situ)Sulfide (S2-) ion detectionS2-Color20-200μM11.70μM