Chemistry PhD Thesis

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Browsing Chemistry PhD Thesis by Author "Supervisor : Gowd, Konkallu Hanumae"

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    New avobenzone derivatives with improved photostability under sunlight/UV radiation: Experimental, formulation and computational studies
    (Department of Chemistry, School of Chemical Sciences, Central University of Karnataka, 2025-04-20) Name of Researcher: Sahoo , Deepak Kumar; Supervisor : Gowd, Konkallu Hanumae
    Avobenzone is the most widely used chemical UVA filter in many sunscreen formulations to combat the harmful effects of UVA radiation [1–4]. An important drawback of avobenzone is the photounstability under sunlight/ UV radiations [5,6]. Two independent approaches have been employed to overcome these drawbacks: (i) addition of an external photostabilizers [7,8], (ii) and skeleton structure modification [9,10]. The current thesis has explored both the approaches and also peptides as a photostabilizers of avobenzone. The thesis has been organized into eight chapters: Chapter-1 provides the introduction in the context of the thesis. Chapter-2 to Chapter-7 provides specific attempts to improve the photostability of avobenzone, and Chapter-8 provides the summary and conclusion of the thesis work.