Enhancement of Congo Red-Neomycin Resonance Rayleigh Scattering by Dodecyl Trimethyl Ammonium Bromide and its Application

Figure 8

Resonant Rayleigh scattering spectrum and absorption spectrum of congo red-neomycin-DTAB. 1 mL pH 6.0 Britton–Robinson buffer solution, congo red: 1.5 × 10⁻⁵ mol·L⁻¹; neomycin: 1.0 μg·mL⁻¹; DTAB: 1.0 × 10⁻⁵ mol·L⁻¹.