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Merck

Gold nanoparticles prepared using cape aloe active components.

Langmuir : the ACS journal of surfaces and colloids (2009-06-10)
Zeljka Krpetić, Giorgio Scarì, Enrico Caneva, Giovanna Speranza, Francesca Porta
RESUMEN

A novel use of two components of Cape aloe, aloin A and aloesin, acting as stabilizers in the preparation of gold and silver nanoparticles, is reported. Stable water-soluble particles of different size and shape are prepared by varying the reaction conditions, temperature, reaction time, and reducing agents. Characterization of the obtained particles is performed using UV-visible, attenuated total reflection Fourier transform infrared (ATR-FTIR), and 1H NMR spectroscopies and transmission electron microscopy (TEM). The efficient cellular uptake of 50 nm sized aloin A and aloesin stabilized gold particles into macrophages and HeLa cells was investigated, proposing these particles as nanovehicles.

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Sigma-Aldrich
Aloin, from Aloe barbadensis Miller leaves, ≥97%