Highly reusable nanoporous silver sheet for sensitive SERS detection of pesticides
Huanyu Chi, Congcheng Wang, Zhien Wang, Hongni Zhu, Vince St. Dollente Mesias, Xin Dai, Qing Chen, Wei Liu, Jinqing Huang
Abstract
M (87 ppb), which is below the maximum residue limits in various foods set by the regulators across the world. More importantly, after a few minutes of ultrasonic cleaning in water, the NPAg sheet can be reused at least 20 times with a reproducible SERS activity. Furthermore, the NPAg sheet remains stable in terms of its sensitivity and reusability after several months of bare strorage. Therefore, the NPAg sheet as a SERS substrate holds great promise for mass production and convenient applications in low-cost pesticide analysis.
Topics & Concepts
NanoporousPesticideNanotechnologyMaterials scienceEnvironmental chemistryChemistryAgronomyBiologyGold and Silver Nanoparticles Synthesis and ApplicationsNanoporous metals and alloysAdvanced Nanomaterials in Catalysis