Fig. 3From: Eco-friendly, sensitive and inventive first derivative synchronous spectrofluorimetric determination of ciprofloxacin and phenylephrine in their pure form, single and combined eye dropsSynchronous spectra at Δ λ = 40 nm of: A PLN (0.05 µg/mL). B CFX (1.5 µg/mL). C A mixture of PLN / CFX (0.05 / 1.5 µg/mL)Back to article page