ArticleScientific reports2014
Self-organized patterning through the dynamic segregation of DNA and silica nanoparticles.
Article in Scientific reports, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Exploring drying pattern of a sessile droplet of genomic DNA in the presence of hematite nanoparticles.Scientific reports · 2018Article
- A New Label-Free Technique for Analysing Evaporation Induced Self-Assembly of Viral Nanoparticles Based on Enhanced Dark-Field Optical Imaging.Nanomaterials (Basel, Switzerland) · 2017Article
- Droplets, Evaporation and a Superhydrophobic Surface: Simple Tools for Guiding Colloidal Particles into Complex Materials.Gels (Basel, Switzerland) · 2017Review
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Authors and funding
5 authors.
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Abstract
Exotic pattern formation as a result of drying of an aqueous solution containing DNA and silica nanoparticles is reported. The pattern due to segregation was found to critically depend on the relative ratio of nanoparticles and DNA, as revealed by polarization microscopy, scanning electron microscopy, and fluorescence microscopy. The blurred radial pattern that is usually observed in the drying of a colloidal solution was shown to be vividly sharpened in the presence of DNA. Uniquely curved, crescent-shaped micrometer-scale domains are generated in regions that are rich in nanoparticles. The characteristic segregated patterns observed in the present study are interpreted in terms of a large aspect ratio between the persistence length (∼ 50 nm) and the diameter (∼ 2 nm) of double-stranded DNA, and the relatively small silica nanoparticles (radius: 5 nm).
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