One-pot synthesis of Ag nanoparticles is achieved by using Piper betle biomass.
Ag+/Ag0 active centers involved 226086X15004980&_mathId=si1.gif&_user=111111111&_pii=S1226086X15004980&_rdoc=1&_issn=1226086X&md5=f35d2420718b9643b586b5fc66a0940f">226086X15004980-si1.gif"> oxidation mechanism is detailed.
Ag nanoparticles exhibited a rapid response with a detection limit of 0.046 μM.
The sensor displayed excellent selectivity and good stability in 226086X15004980&_mathId=si1.gif&_user=111111111&_pii=S1226086X15004980&_rdoc=1&_issn=1226086X&md5=f35d2420718b9643b586b5fc66a0940f">226086X15004980-si1.gif"> detection.