Design of a multifunctional nanohybrid system of the phytohormone gibberellic acid using an inorganic layered double-hydroxide material

Inas H. Hafez, Mohamed R. Berber, Keiji Minagawa, Takeshi Mori, Masami Tanaka

    研究成果: Contribution to journalArticle査読

    17 被引用数 (Scopus)

    抄録

    To offer a multifunctional and applicable system of the high-value biotechnological phytohormone gibberellic acid (GA), a nanohybrid system of GA using the inorganic Mg-Al layered double-hydroxide material (LDH) was formulated. The ion-exchange technique of LDH was applied to synthesize the GA-LDH hybrid. The hybrid structure of GA-LDH was confirmed by different spectroscopic techniques. The nanohybrid size was described by SEM to be ∼0.1 μm. The GA-LDH nanohybrid structure was the key parameter that controlled GA properties. The layered molecular structure of LDH limited the interaction of GA molecules in two-dimensional directions. Accordingly, GA molecules did not crystallize and were released in an amorphous form suitable for dissolution. At various simulated soil solutions, the nanohybrids showed a sustained release process following Higuchi kinetics. The biodegradation process of the intercalated GA showed an extended period of soil preservation as well as a slow rate of degradation.

    本文言語英語
    ページ(範囲)10118-10123
    ページ数6
    ジャーナルJournal of Agricultural and Food Chemistry
    58
    18
    DOI
    出版ステータス出版済み - 9 22 2010

    All Science Journal Classification (ASJC) codes

    • 化学 (全般)
    • 農業および生物科学(全般)

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