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- W2915740097 abstract "Plant leaf extract synthesis of nanoparticles serves as a better alternative to chemical synthesis routes as the nanoparticles synthesized are less toxic and possess higher flexibility for scaling up process. Phyto-synthesized metal oxides, especially magnesium oxide (MgO) nanoparticles possess enormous unique properties to be used in drug delivery and therapeutic application. Thus, the aim of the present work is to investigate the effect of pH on the shape transformation of MgO nanoparticles prepared using Amaranthus tricolor leaf extract. UV-visible spectrophotometer and dynamic light scattering technique were initially used to analyze the effect of pH variation on particle sizes and surface charges. MgO nanoparticles at pH 3 were identified to be formed in smaller sizes of ∼44nm with a slightly negative surface charge of −3.39 mV and were postulated that its shape can be transformed to hexagon. Hexagonal shaped particles are highly beneficial in biomedical application as they show less cytotoxicity and increased bioactivity due to the presence of edge surface atoms. FTIR spectral analysis and TEM images confirm that the size and shape of the MgO nanoparticle at acidic pH 3 was reduced and transformed to hexagon. Additionally, possible mechanism of nanoparticle protonation and deprotonation leading to their morphology changes was also proposed in the paper." @default.
- W2915740097 created "2019-03-02" @default.
- W2915740097 creator A5026865022 @default.
- W2915740097 creator A5054877172 @default.
- W2915740097 creator A5065926170 @default.
- W2915740097 date "2019-02-22" @default.
- W2915740097 modified "2023-10-10" @default.
- W2915740097 title "Effect of pH variations on morphological transformation of biosynthesized MgO nanoparticles" @default.
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- W2915740097 doi "https://doi.org/10.1080/02726351.2019.1566938" @default.
- W2915740097 hasPublicationYear "2019" @default.
- W2915740097 type Work @default.