Highly sensitive colorimetric sensor for detection of iodine ions using carboxylated chitosan–coated palladium nanozyme

References

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title
DOI
material type
comment
189Highly sensitive colorimetric sensor for detection of iodine ions using carboxylated chitosan–coated palladium nanozymehttps://doi.org/10.1007/s00216-019-02270-7Compositecarboxylated chitosan stabilized Pd nanoparticles (CC-PdNPs)

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
189CC-PdNPs2.4-2.7nmTEMTo determine a reliable size distribution, we carried out a statistical analysis by Gaussian fitting of 50 random nanoparticles according to TEM results and found that the diameters of PdNPs are mainly distributed in the 2.4–2.7 nm range with an average size of 2.68 nm

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
189CC-PdNPsPODH2O2537.71mM1.12-7M/s189
189CC-PdNPsPODTMB0.09mM1.77-7M/s189

Applications

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material
application
target
method
linear range
linear ran unit
LOD
lod unit
recovery
comment
189CC-PdNPsdetection of iodine ionsiodine ionsColor0-6.25Nm0.19nM95.52-102.8%