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Updated: Aug 18, 2026

Measurement of Scattering Nonlinearities from a Single Plasmonic Nanoparticle
Published on: January 3, 2016
Assembly of AuNRs and eugenol for trace analysis of eugenol using resonance light scattering technique
Shuyun Bi1, Yu Wang1, Huifeng Zhou1
1College of Chemistry, Changchun Normal University, Changchun 130032, PR China.
Abstract:
A new resonance light scattering (RLS) method for determining eugenol was developed using gold nanorods (AuNRs) as probes which were synthesized in our lab. The weak RLS intensity of eugenol was obviously enhanced by the use of AuNRs. All of the results from the SEM, RLS and UV spectra indicated that eugenol induced the assembly of AuNRs; thus, a new complex of AuNRs-eugenol was formed. The assembly of this new complex was achieved through a coordination bond between eugenol and AuNRs. Under optimum experimental conditions, a direct linear relationship was established between the enhancement of RLS intensity and the concentration of eugenol in the range of 0.043-10.60 μg ml(-1) (r=0.9927). Moreover, the limit of detection (LOD) was found at a nanogram level (7.28 ng ml(-1) by 3S0/S). The recovery and RSD (n=5) of three synthetic samples were 99.7-104.2% and 0.81-1.19%, respectively. The method was successfully employed for the analysis of eugenol in curry powder samples.
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