Abstract:Paraquat has been widely used in agriculture due to its efficient herbicidal activity. However, its remaining residues in the environment have caused eco-toxicity to live organisms and humans. Therefore, a portable and sensitive sensing system is required for field-monitoring paraquat towards eco-friendly usage. Toward this goal, citrate-capped silver nanoparticles (AgNPs) on a microfluidic paper analytic device (µPAD) were used to detect paraquat, accompanied by smartphone detection. Capillary action through … Show more
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