Fractional photodamage triggered by chaotic attractors in human lung epithelial cancer cells

Modification in thermal transfer mechanisms induced by light in human lung epithelial cancer cells was experimentally controlled by chaotic attractors dependent on optical transmittance. The evolution of a chaotic modulation driven by optical signals in our system was studied in the cells integrated in monolayer form. The identification of the photodamage in the studied samples was achieved by a straightforward measurement of transmitted light modulated by the Chen equations. The laser irradiation was triggered by a chaotic circuit monitoring the samples by optical imaging. Comparative experiments conducted by nanosecond pulses at 532 nm wavelength in single-shot mode revealed how the multi-photonic processes in the samples play a crucial role in the resulting photothermal phenomena. Fractional thermal transport was analyzed in order to describe the photoinduced energy transfer over the samples. The aim of the research is to highlight fractional models with immediate advantages for developing high precision phototechnology and photothermally-controlled ablation in biological systems.