Development of a microfluidic paper-based analytical device for the determination of salivary aldehydes
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文摘

A microfluidic paper-based analytical device for salivary aldehydes is reported.

Aldehydes react with 3-methyl-2-benzothiazolinone hydrazone and iron(III).

The colour intensity of the blue coloured formazan dye is measured.

The working range, LOD and RSD (n = 5) are 20–114 μM, 6.1 μM and less than 12.7%.

The device is stable for more than 41 days when stored in a freezer (≤-20 °C).

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