Synthesized Thiophene Derivatives (IMAGE) Ural Federal University Caption This is a photograph of solutions of synthesized thiophene derivatives in dioxane in daylight and irradiation with a UV lamp with an excitation wavelength of 380 nm. Credit Nataliya Belskaya, Professor, UrFU Institute of Chemical Engineering Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.