Computational studies of some DNA-based photonic multilayered structures AITranslate

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DOI：https://doi.org/10.1016/j.commatsci.2010.02.044

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Using detrended fluctuation analysis and wavelet transform multifractal analysis, introns from the human transketolase pseudogene (EMBL accession number: Z49258) were found to exhibit persistent long-range correlations (LRCs) with homogeneous fractal fluctuations. DNA-intron-based photonic multilayers were then constructed from the intron sequences by identifying their purine/pyrimidine components as homogeneous dielectric layers and the normal-incidence propagation of electromagnetic waves through them was examined. The richness of their transmittance spectra, in terms of resonant peaks, was found to be directly related to the strength of LRCs and to the number of layers in them. Photon distributions that are visually neither extended nor strictly localized appeared in some intron multilayers. The DNA-intron-based multilayers studied here seem to be materials situated in the regime between absolute disorder and Fibonacci quasi-periodicity.