Journal
APPLIED CLAY SCIENCE
Volume 109, Issue -, Pages 33-38Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.clay.2015.03.008
Keywords
Montmorillonite; Nanoconjugate; Antibacterial; Aedes albopictus
Funding
- DRL, India [DRL/1047/TC]
- DBT-Government of India
- SAP (UGC), India [F.3-30/2009]
- FIST program-2009 (DST), India [SR/FST/CSI-203/209/1]
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The article reports an environmentally benign, cost effective and an efficient antibacterial and biocompatible montmorillonite (Mt) nanoconjugate with mosquito repellency attributes. Inspired from the 'going green' attributes, the immobilization of a mixture of essential oils onto Mt dispersed in methyl ester of the castor oil (MECO) using ultrasonication is a bio-inspired strategy. The repellent activities of Curcuma aromatica (CA) and Zanthoxylum limoneila (ZL) oils are associated with the presence of 6.23% eucalyptol and 17.36% camphor in the former and 45.07% of D-limonene in the latter. The shifting of Si-O-Si stretching vibration from 1031 to 1040 cm(-1) ascertained the interaction of the oil mixture with Mt dispersed in MECO. The essential oils and the immobilized system showed potent antibacterial and biocompatibilty. The immobilized system exhibited (87.5 +/- 2.11)% mortality of Aedes albopictus. The immobilized system is thus envisaged as a cost-effective, eco-friendly and efficacious antibacterial mosquito repellent formulation. (C) 2015 Elsevier B.V. All rights reserved.
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