Holiday schedule: Please note that there will be no shipments December 21–25 & December 28–January 1. Additionally, our offices will be closed December 25 & January 1.
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Nanoparticle Surfaces

Surface Displaceable Salt
Stable in
Stable in
Stable in
Polar Organics
Stable in
Non-Polar Organics
Conjugatable Charge
at pH 7
Citrate Learn more +
PVP (Polyvinylpyrrolidone) Learn more +
Tannic acid Learn more +
Lipoic Acid Learn more +
BPEI (Branched Polyethyleneimine) Learn more +
PEG (Polyethylene Glycol) Learn more +
Silica Learn more +
Amine-Functionalized Silica Learn more +
Other Functionalized Silica Learn more + Varies Varies Varies Varies Varies Varies
Carbonate Learn more +
Carboxyl Learn more +
NHS Learn more +
Dodecanethiol Learn more + N/A