ArticleCommunications chemistry2021
Elemental composition control of gold-titania nanocomposites by site-specific mineralization using artificial peptides and DNA.
Article in Communications chemistry, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
What it found
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Who cites it
6 citing papers in PubMed, 42 citations in OpenAlex.
- Synthesis of biocompatible gold nanoparticles for photothermal therapy by mineralization using peptides.RSC advances · 2025Article
- Development of detection system for lead ions in mixture solutions using UV-Vis measurements with peptide immobilized microbeads.Scientific reports · 2025Article
- Charting a new course with plasmon-mediated chemistry.Communications chemistry · 2024Article
- Biomineralization through a Symmetry-Controlled Oligomeric Peptide.Biomimetics (Basel, Switzerland) · 2023Article
- Effect of linearly polarized microwaves on nanomorphology of calcium carbonate mineralization using peptides.Scientific reports · 2023Article
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Corrections and comments
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
Abstract
Biomineralization, the precipitation of various inorganic compounds in biological systems, can be regulated in terms of the size, morphology, and crystal structure of these compounds by biomolecules such as proteins and peptides. However, it is difficult to construct complex inorganic nanostructures because they precipitate randomly in solution. Here, we report that the elemental composition of inorganic nanocomposites can be controlled by site-specific mineralization by changing the number of two inorganic-precipitating peptides bound to DNA. With a focus on gold and titania, we constructed a gold-titania photocatalyst that responds to visible light excitation. Both microscale and macroscale observations revealed that the elemental composition of this gold-titania nanocomposite can be controlled in several ten nm by changing the DNA length and the number of peptide binding sites on the DNA. Furthermore, photocatalytic activity and cell death induction effect under visible light (>450 nm) irradiation of the manufactured gold-titania nanocomposite was higher than that of commercial gold-titania and titania. Thus, we have succeeded in forming titania precipitates on a DNA terminus and gold precipitates site-specifically on double-stranded DNA as intended. Such nanometer-scale control of biomineralization represent a powerful and efficient tool for use in nanotechnology, electronics, ecology, medical science, and biotechnology.
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Registered trials
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