Journal
LANGMUIR
Volume 33, Issue 16, Pages 3926-3933Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.langmuir.6b04172
Keywords
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Funding
- Food Science and Engineering the most important discipline of Zhejiang Province [JYTsp 20141061]
- Atlantic Canada Opportunities Agency AIF program
- Cape Breton University RP program
- NSHRF DI grant
- Beatrice Hunter Cancer Research Institute (BHCRI) new investigator award
- NSERC Discovery Grants Program
- NSERC DP
- BHCRI
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Magnesium aluminum-layered double-hydroxide nanoparticles (LDH NPs) are promising drug-delivery vehicles for gene therapy, particularly for siRNA interference; however, the interactions between oligo-DNA and LDH surfaces have not been adequately elucidated. Through a mechanistic study, oligo-DNA initially appears to rapidly bind strongly to the LDH outer surfaces through interactions with their phosphate backbones via ligand exchange with OH- on Mg2+ centers and electrostatic forces with Al3+. These initial interactions might precede diffusion into interlayer spaces, and this knowledge can be used to design better gene therapy delivery systems.
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