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pH-responsive extremely small iron oxide nanoparticles (pH-responsive ESIONs)
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Cat. No.: X26-06-ZQ4967

pH-responsive extremely small iron oxide nanoparticles (pH-responsive ESIONs)

Synonym: pH-responsive ESIONs; pH-responsive extremely small iron oxide nanoparticles; pH-ESIONs acid-sensitive superparamagnetic cores; pH responsive extremely small; pH-responsive ESION magnetic nodes

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Product Size
100 mg; 250 mg; 500 mg; 1 g; 5 g
Price
Datasheet
MSDS
Properties
Description
This product consists of extremely small iron oxide nanoparticles (ESIONs, typically under 5 nm) surface-modified with an acid-sensitive coating. The ultra-small core provides unique T₁-weighted magnetic resonance imaging (MRI) contrast, while the pH-responsive shell triggers particle aggregation or surface changes in acidic microenvironments to alter magnetic relaxivity.
Source
Custom synthesis
Form
Solid or powder
Purity
≥95%
Impurities
No visible impurities to the naked eye.
Identity
HPLC/MS/NMR
Applications
This product can be used for investigating pH-sensitive magnetic resonance contrast enhancement, modeling microenvironment-responsive imaging agents, and studying ultra-small nanoparticle transport.
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