Ontology highlight
ABSTRACT:
SUBMITTER: Khatha P
PROVIDER: S-EPMC6566168 | biostudies-literature | 2019 May
REPOSITORIES: biostudies-literature
Khatha Papichaya P Phutthaphongloet Thanyarat T Timpa Phenphitcha P Ninwong Benjawan B Income Kamolwich K Ratnarathorn Nalin N Dungchai Wijitar W
Sensors (Basel, Switzerland) 20190521 10
We report for the first time a distance-based paper device based on gold/silver core shell nanoparticles (Au@Ag NPs) for a simple, inexpensive, instrument-free, and portable determination of cyanide by the naked eye. Au@Ag NPs immobilized on a paper channel were etched by cyanide ions so that a yellow color band length of Au@Ag NPs is proportional to a decrease in the cyanide concentration. Quantification is achieved by measuring color length, thus eliminating the need to differentiate hues and ...[more]