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Journal of Colloid and Interface Science, volume 501, pages 256-266

Electrostatic assembly of zwitterionic and amphiphilic supraparticles.

Maas Michael ¹

Silvério Carolina C ^{2, 3, 4}

Laube Jens ^{5, 6}

Rezwan Kurosch ^{6, 7}

Hide authors affiliations Show authors affiliations: 7 affiliations

MAPEX Center for Materials and Processes University of Bremen Bremen Germany |

Advanced Ceramics

University Of Bremen |

⁴

Bremen Germany |

⁵

Hybrid Materials Interfaces Group, University of Bremen, Bremen, Germany |

⁶

MAPEX Center for Materials and Processes, University of Bremen, Bremen, Germany. |

⁷

Advanced Ceramics, University of Bremen, Bremen, Germany |

Publication type: Journal Article

Publication date: 2017-09-01

Elsevier

Journal: Journal of Colloid and Interface Science

Quartile SCImago

Quartile WOS

Impact factor: 9.9

ISSN: 00219797, 10957103

DOI: 10.1016/j.jcis.2017.04.076

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Surfaces, Coatings and Films

Electronic, Optical and Magnetic Materials

Colloid and Surface Chemistry

Biomaterials

Abstract

We demonstrate the electrostatic assembly of oppositely charged silica particles into an ensemble of well-defined core-satellite supraparticles, which are a type of patchy particle. To achieve controlled heteroaggregation, we used oppositely charged silica particles with different sizes ranging from 5nm to 150nm at several concentrations. The assembly works best with larger particles, resulting in a fairly low polydispersity and a low amount of bridging between the individual clusters. Using smaller particles produces high polydispersity, large clusters and uncontrolled aggregation and bridging. Furthermore, even with controlled aggregation into well-defined clusters in the case of bigger particles, we observe an uneven covering of the central particles with around 1-6 satellite particles adsorbed to the central particle. This behavior is not predicted by simple pairwise DLVO potentials which would anticipate an even spacing of the satellite particles on the core. We explain these observations by taking into account the interactions of the adsorbing particles within the ionic cloud of the central particle. We hypothesize that when the adsorbing satellite particles are small compared to the diameter of the ion cloud of the core particle, they aggregate within the ion cloud and therefore do not create a well-defined monolayer on the surface of the core particle, instead forming small agglomerates during adsorption. Finally, both the assembled zwitterionic clusters and clusters that were partially hydrophobized were tested for their capabilities as Pickering emulsifiers. The zwitterionic clusters showed a strongly increased surface activity compared to the individual particles, while the hydrophobized particles changed the emulsion type from w/o to o/w. Interfacial dilatational rheological tests supported the observations from the emulsion tests. With this, we demonstrate that a relatively unordered ensemble of supraparticles is able to show well-defined functionality at a higher hierarchical level as Pickering emulsifiers.

By date By citations

Citations by journals

	1 2
Journal of Colloid and Interface Science	Journal of Colloid and Interface Science, 2, 10% Journal of Colloid and Interface Science 2 publications, 10%
Colloids and Surfaces A: Physicochemical and Engineering Aspects	Colloids and Surfaces A: Physicochemical and Engineering Aspects, 2, 10% Colloids and Surfaces A: Physicochemical and Engineering Aspects 2 publications, 10%
Nanoscale Advances	Nanoscale Advances, 2, 10% Nanoscale Advances 2 publications, 10%
Pharmaceutics	Pharmaceutics, 1, 5% Pharmaceutics 1 publication, 5%
Crystals	Crystals, 1, 5% Crystals 1 publication, 5%
Russian Chemical Reviews	Russian Chemical Reviews, 1, 5% Russian Chemical Reviews 1 publication, 5%
Journal of Molecular Liquids	Journal of Molecular Liquids, 1, 5% Journal of Molecular Liquids 1 publication, 5%
Journal of Industrial and Engineering Chemistry	Journal of Industrial and Engineering Chemistry, 1, 5% Journal of Industrial and Engineering Chemistry 1 publication, 5%
Advanced Drug Delivery Reviews	Advanced Drug Delivery Reviews, 1, 5% Advanced Drug Delivery Reviews 1 publication, 5%
Particle and Particle Systems Characterization	Particle and Particle Systems Characterization, 1, 5% Particle and Particle Systems Characterization 1 publication, 5%
ACS Nano	ACS Nano, 1, 5% ACS Nano 1 publication, 5%
Langmuir	Langmuir, 1, 5% Langmuir 1 publication, 5%
Physical Chemistry Chemical Physics	Physical Chemistry Chemical Physics, 1, 5% Physical Chemistry Chemical Physics 1 publication, 5%
Environmental Science: Nano	Environmental Science: Nano, 1, 5% Environmental Science: Nano 1 publication, 5%
Materials Horizons	Materials Horizons, 1, 5% Materials Horizons 1 publication, 5%
Colloid Journal	Colloid Journal, 1, 5% Colloid Journal 1 publication, 5%
Journal of Dispersion Science and Technology	Journal of Dispersion Science and Technology, 1, 5% Journal of Dispersion Science and Technology 1 publication, 5%
	1 2

Citations by publishers

	1 2 3 4 5 6
Elsevier	Elsevier, 6, 30% Elsevier 6 publications, 30%
Royal Society of Chemistry (RSC)	Royal Society of Chemistry (RSC), 5, 25% Royal Society of Chemistry (RSC) 5 publications, 25%
Multidisciplinary Digital Publishing Institute (MDPI)	Multidisciplinary Digital Publishing Institute (MDPI), 2, 10% Multidisciplinary Digital Publishing Institute (MDPI) 2 publications, 10%
American Chemical Society (ACS)	American Chemical Society (ACS), 2, 10% American Chemical Society (ACS) 2 publications, 10%
Autonomous Non-profit Organization Editorial Board of the journal Uspekhi Khimii	Autonomous Non-profit Organization Editorial Board of the journal Uspekhi Khimii, 1, 5% Autonomous Non-profit Organization Editorial Board of the journal Uspekhi Khimii 1 publication, 5%
Korean Society of Industrial Engineering Chemistry	Korean Society of Industrial Engineering Chemistry, 1, 5% Korean Society of Industrial Engineering Chemistry 1 publication, 5%
Wiley	Wiley, 1, 5% Wiley 1 publication, 5%
Pleiades Publishing	Pleiades Publishing, 1, 5% Pleiades Publishing 1 publication, 5%
Taylor & Francis	Taylor & Francis, 1, 5% Taylor & Francis 1 publication, 5%
	1 2 3 4 5 6

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Maas M. et al. Electrostatic assembly of zwitterionic and amphiphilic supraparticles. // Journal of Colloid and Interface Science. 2017. Vol. 501. pp. 256-266.

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Maas M., Silvério C. C., Laube J., Rezwan K. Electrostatic assembly of zwitterionic and amphiphilic supraparticles. // Journal of Colloid and Interface Science. 2017. Vol. 501. pp. 256-266.

RIS |

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RIS Copy

TY - JOUR

DO - 10.1016/j.jcis.2017.04.076

UR - https://doi.org/10.1016%2Fj.jcis.2017.04.076

TI - Electrostatic assembly of zwitterionic and amphiphilic supraparticles.

T2 - Journal of Colloid and Interface Science

AU - Maas, Michael

AU - Silvério, Carolina C

AU - Laube, Jens

AU - Rezwan, Kurosch

PY - 2017

DA - 2017/09/01 00:00:00

PB - Elsevier

SP - 256-266

VL - 501

SN - 0021-9797

SN - 1095-7103

ER -

BibTex

Cite this

BibTex Copy

@article{2017_Maas,

author = {Michael Maas and Carolina C Silvério and Jens Laube and Kurosch Rezwan},

title = {Electrostatic assembly of zwitterionic and amphiphilic supraparticles.},

journal = {Journal of Colloid and Interface Science},

year = {2017},

volume = {501},

publisher = {Elsevier},

month = {sep},

url = {https://doi.org/10.1016%2Fj.jcis.2017.04.076},

pages = {256--266},

doi = {10.1016/j.jcis.2017.04.076}

}

Found error?

Publisher

Elsevier

Journal

Journal of Colloid and Interface Science

Quartile SCImago

Quartile WOS

Impact factor

9.9

ISSN

00219797 (Print)
10957103 (Electronic)