Red Light, Green chemistry: on-site nitrite detection in pre-processed vegetables using diazotization-active carbon dots and smartphone-enabled dual-mode fluorometric/colorimetric readout.

BACKGROUND: Nitrite can be converted into carcinogenic substances under specific conditions, and non-standard operations in the production of pre-cooked meals may lead to the generation of nitrite, posing a hazard to human health. As a crucial compon…

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