Hussein, Mohd Zobir and Muhammad Jaafar, Adilah and Yahya, Asmah and Zainal, Zulkarnain (2009) The effect of single, binary and ternary anions of chloride, carbonate and phosphate on the release of 2,4-dichlorophenoxyacetate intercalated into the Zn-Al-layered double hydroxide nanohybrid. Nanoscale Research Letters, 4 (11). pp. 1351-1357. ISSN 1931-7573
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Intercalation of beneficial anion into inorganic host has lead to an opportunity to synthesize various combinations of new organic–inorganic nanohybrids with various potential applications; especially, for the controlled release formulation and storage purposes. Investigation on the release behavior of 2,4-dichlorophenoxyacetate (2,4-D)intercalated into the interlayer of Zn–Al-layered double hydroxide (ZAN) have been carried out using single, binary and ternary aqueous systems of chloride, carbonate and phosphate. The release behavior of the active agent 2,4-D from its double-layered hydroxide nanohybrid ZANDI was found to be of controlled manner governed by pseudosecond order kinetics. It was found that carbonate medium yielded the highest accumulated release of 2,4-D, while phosphate in combination with carbonate and/or nitrate speeds up the release rate of 2,4-D. These results indicate that it is possible to design and develop new delivery system of latex stimulant compound with controlled release property based on 2,4-D that is known as a substance to increase latex production of rubber tree, Hevea brasiliensis.
|Keyword:||Layered double hydroxide, 2,4-Dichlorophenoxyacetic acid, Pseudo-second order kinetics, Intercalation, Controlled release|
|Faculty or Institute:||Faculty of Science|
|Deposited By:||Najwani Amir Sariffudin|
|Deposited On:||18 Jul 2012 07:14|
|Last Modified:||25 Oct 2012 01:13|
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