ArticleChemistry of materials : a publication of the American Chemical Society2015
Core-Shell Structure of Monodisperse Poly(ethylene glycol)-Grafted Iron Oxide Nanoparticles Studied by Small-Angle X-ray Scattering.
Article in Chemistry of materials : a publication of the American Chemical Society, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.
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Who cites it
21 citing papers in PubMed, 60 citations in OpenAlex.
- Expedient Access to Gold/Quantum-Dot Nanohybrids Mediated by Poly(ethylene Glycol) Ligands of Distinct Macromolecular Architecture.Macromolecular rapid communications · 2026Article
- A Total Internal Reflection Microscopy (TIRM)-Based Approach for Direct Characterization of Polymer Brush Conformational Change in Aqueous Solution.ACS macro letters · 2024Article
- Magnetic nanoparticles and possible synergies with cold atmospheric plasma for cancer treatment.RSC advances · 2024Review
- Using small-angle scattering to guide functional magnetic nanoparticle design.Nanoscale advances · 2022Review
- Thermoresponsive Nanoparticles with Cyclic-Polymer-Grafted Shells Are More Stable than with Linear-Polymer-Grafted Shells: Effect of Polymer Topology, Molecular Weight, and Core Size.The journal of physical chemistry. B · 2021Article
- Theoretical and Experimental Design of Heavy Metal-Mopping Magnetic Nanoparticles.ACS applied materials & interfaces · 2021Article
- Spherical Micelles with Nonspherical Cores: Effect of Chain Packing on the Micellar Shape.Macromolecules · 2020Article
- From Single-Core Nanoparticles in Ferrofluids to Multi-Core Magnetic Nanocomposites: Assembly Strategies, Structure, and Magnetic Behavior.Nanomaterials (Basel, Switzerland) · 2020Review
- Towards Multi-Functional SiONanomaterials (Basel, Switzerland) · 2020Article
- Optimizing PEGylation of TiOChemistry of materials : a publication of the American Chemical Society · 2019Article
- Design Principles for Thermoresponsive Core-Shell Nanoparticles: Controlling Thermal Transitions by Brush Morphology.Langmuir : the ACS journal of surfaces and colloids · 2019Article
- Quantitative Measure of the Size Dispersity in Ultrasmall Fluorescent Organic-Inorganic Hybrid Core-Shell Silica Nanoparticles by Small-angle X-ray Scattering.Chemistry of materials : a publication of the American Chemical Society · 2019Article
- Thermoresponsive Core-Shell Nanoparticles: Does Core Size Matter?Materials (Basel, Switzerland) · 2018Article
- Preparation and characterization of Ag-Pd bimetallic nano-catalysts in thermosensitive microgel nano-reactor.RSC advances · 2018Article
- Influence of Grafted Block Copolymer Structure on Thermoresponsiveness of Superparamagnetic Core-Shell Nanoparticles.Biomacromolecules · 2018Article
- Article
- Facile Fluorescence "Turn on" Sensing of Lead Ions in Water via Carbon Nanodots Immobilized in Spherical Polyelectrolyte Brushes.Frontiers in chemistry · 2018Article
- Individually Stabilized, Superparamagnetic Nanoparticles with Controlled Shell and Size Leading to Exceptional Stealth Properties and High Relaxivities.ACS applied materials & interfaces · 2017Article
- Evaluation of High-Yield Purification Methods on Monodisperse PEG-Grafted Iron Oxide Nanoparticles.Langmuir : the ACS journal of surfaces and colloids · 2016Article
- Modification of Spherical Polyelectrolyte Brushes by Layer-by-Layer Self-Assembly as Observed by Small Angle X-ray Scattering.Polymers · 2016Article
Corrections and comments
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Authors and funding
10 authors at 3 institutions in 1 country.
Funding
Abstract
The promising applications of core-shell nanoparticles in the biological and medical field have been well investigated in recent years. One remaining challenge is the characterization of the structure of the hydrated polymer shell. Here we use small-angle X-ray scattering (SAXS) to investigate iron oxide core-poly(ethylene glycol) brush shell nanoparticles with extremely high polymer grafting density. It is shown that the shell density profile can be described by a scaling model that takes into account the locally very high grafting density near the core. A good fit to a constant density region followed by a star-polymer-like, monotonously decaying density profile is shown, which could help explain the unique colloidal properties of such densely grafted core-shell nanoparticles. SAXS experiments probing the thermally induced dehydration of the shell and the response to dilution confirmed that the observed features are associated with the brush and not attributed to structure factors from particle aggregates. We thereby demonstrate that the structure of monodisperse core-shell nanoparticles with dense solvated shells can be well studied with SAXS and that different density models can be distinguished from each other.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.