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Dispersed Uniform Nanoparticles from a Macroscopic Organosilica Powder
Stockholms universitet, Naturvetenskapliga fakulteten, Institutionen för material- och miljökemi (MMK).
Stockholms universitet, Naturvetenskapliga fakulteten, Institutionen för material- och miljökemi (MMK). University of Gothenburg, Sweden.ORCID-id: 0000-0002-9611-2263
Stockholms universitet, Naturvetenskapliga fakulteten, Institutionen för material- och miljökemi (MMK).ORCID-id: 0000-0002-7284-2974
Rekke forfattare: 42018 (engelsk)Inngår i: Langmuir, ISSN 0743-7463, E-ISSN 1520-5827, Vol. 34, nr 6, s. 2274-2281Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

A colloidal dispersion of uniform organosilica nanoparticles could be produced via the disassembly of the non-surfactant-templated organosilica powder nanostructured folate material (NFM-1). This unusual reaction pathway was available because the folate and silica-containing moieties in NFM-1 are held together by noncovalent interactions. No precipitation was observed from the colloidal dispersion after a week, though particle growth occurred at a solvent-dependent rate that could be described by the Lifshitz-Slyozov-Wagner equation. An organosilica film that was prepared from the colloidal dispersion adsorbed folate-binding protein from solution but adsorbed ions from a phosphate -buffered saline solution to a larger degree. To our knowledge, this is the first instance of a colloidal dispersion of organosilica nanoparticles being derived from a macroscopic material rather than from molecular precursors.

sted, utgiver, år, opplag, sider
2018. Vol. 34, nr 6, s. 2274-2281
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URN: urn:nbn:se:su:diva-154592DOI: 10.1021/acs.langmuir.7b03705ISI: 000425474800006PubMedID: 29400064OAI: oai:DiVA.org:su-154592DiVA, id: diva2:1195405
Tilgjengelig fra: 2018-04-05 Laget: 2018-04-05 Sist oppdatert: 2018-04-05bibliografisk kontrollert

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