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- W4285388475 abstract "Abstract This study examines substances from plant leaves of Azadirachta indica and Melia azedarach extracted with methanol (80%) and then successively fractionated with increasing gradient polarity solvents. The methanol extract from the two plant leaves was selected to be incorporated with nanocomposites because of their high antimicrobial activities. HPLC analysis was performed for the determination of total phenolics and flavonoids. LC-ESI-MS positive ion acquisition mode revealed the presence of four main chemical classes; limonoids, triterpenes, fatty acids, and phenolics. Sol-gel processes were adapted to prepare CaO/chitosan composite loaded with the methanol extract of the two plant leaves, acting as innovative antibacterial agents. The fabricated nanocomposites were characterized by XRD, TEM, SEM, and FT-IR methods. Minimal bactericidal concentrations (MBC) were established by agar plating using bacteria treated with MIC and at least 2 concentrations double-higher than the MIC. Biofilm was cultivated in the presence of sub-MICs of the extracts and the nanocomposites, followed by quantification with the crystal violet assay. The examined chitosan-CaO-based hybrid nanocomposites loaded with the methanol fractions from the leaves of A. indica and M. azedarach had an excellent performance as biofilm inhibitors. This indicates their good potential for biomedical applications." @default.
- W4285388475 created "2022-07-14" @default.
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- W4285388475 date "2022-07-14" @default.
- W4285388475 modified "2023-09-29" @default.
- W4285388475 title "Hybrid chitosan/CaO-based nanocomposites doped with plant extracts from Azadirachta indica and Melia azedarach: evaluation of antibacterial and antibiofilm activities" @default.
- W4285388475 doi "https://doi.org/10.21203/rs.3.rs-1826952/v1" @default.
- W4285388475 hasPublicationYear "2022" @default.
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