Related Experiment Video
Updated: Feb 16, 2026

Application of Voltage in Dynamic Light Scattering Particle Size Analysis
Published on: January 24, 2020
[Study on the resonance scattering light spectra of atrazine-RNA and its analytical application]
Li-ping Ren1, Shu-ren Jiang, Zhen-hong Rao
1College of Science, China Agricultural University, Beijing 100094, China.
Abstract:
The Resonance Light Scattering (RLS) spectra of atrazine with yeast ribonucleic acid (yRNA) had been studied. At pH 1.50, the enhanced RLS of atrazine-yRNA system is characterized by the maximum scattering peaks at 320 nm and the RLS intensity is proportional to the concentration of yRNA. Under optimal conditions, the linear ranges of the calibration were 0.6-5.0 microg x mL(-1), the linear regression equation was I = 25.88 + 140.0 c(yRNA, microg x mL(-1)), r = 0.9975, with the limit of detection 20.7 ng x mL(-1) (3delta). The method was applied to the determination of yRNA in synthetic samples and RNA in salt cress (Thellungiella halophila) sample satisfactorily. Mechanism studies show that there are two interaction modes between atrazine and RNA: electrostatic mode and intercalative mode.
Related Concept Videos
Emission Spectra
Resonance
Development of Analytical Methods
Scatter Plot
Analyte Adsorption and Distribution
Jung's Analytical Theory

