Combined Local and Systemic Ozone Therapy in the Treatment of the Low Back Pain: A Proposed Protocol and a Suggested Mechanism of Action

UV-visible (UV-vis), steady-state, and time-resolved photoluminescence spectroscopies are used to investigate the photophysical properties of freshly synthesised oligophenylene derivatives in this chapter. Knoevenagel condensation of produced oligo[4-(methoxyphenyl) acetonitrile] (OMPA) with various chemical groups yields the examined oligophenylene derivatives. Significant changes in photo-physical properties were observed as a result of the chemical alterations. The insertion of a dimethyl-amine group on the backbone of the OMPA oligomer reduces the optical band gap and red-shifts the absorption and photoluminescence capabilities. This is a symptom of an intermolecular charge transfer that took place as a result of the chemical alteration. Meanwhile, the addition of aromatic chemical groups (anthracene and thiophene) to the produced oligophenylene improves its luminous properties. The thermal characteristics change as a result of the chemical insertion of the focussed chemical groups.

Author (S) Details

Emma Borrelli

Department of Medical Biotechnologies, University of Siena, Italy.

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