Silver nanotriangles (AgNTs) were successfully synthesized as a colorimetric probe for selective and sensitive histidine detection in aqueous media within a 15-100 µM range and a detection limit of 330 nM using UV-Vis spectroscopy. The interaction of HgCl 2 with AgNTs would lead to the formation of disk-shaped Ag/Hg amalgam as observed from the transmission electron images and X-ray diffraction patterns. Histidine prevents these structural and morphological changes and accordingly, the detection approach was developed based on the correlation between the histidine concentration and the in-plane dipole plasmon resonance (DPR) intensity.
Keyphrases
- gold nanoparticles
- label free
- loop mediated isothermal amplification
- living cells
- quantum dots
- fluorescent probe
- sensitive detection
- real time pcr
- high resolution
- hydrogen peroxide
- ionic liquid
- deep learning
- energy transfer
- aqueous solution
- convolutional neural network
- photodynamic therapy
- electron microscopy
- computed tomography
- highly efficient