Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/16482
Title: Ellipsoidal magnetic mesoporous particles for targeted drug delivery.
Authors: Chia, Daryl De Yuan.
Keywords: DRNTU::Engineering::Chemical engineering::Biotechnology
Issue Date: 2009
Abstract: Ellipsoidal rattle-type hollow particles with hematite (α-Fe2O3) spindles encapsulated in mesoporous silica shells have been fabricated by simultaneous sol-gel polymerization of tetraethoxysilane (TEOS) and n-octadecyltrimethoxysilane (C18TMS). A ring-shaped cavity was created between the iron oxide core and mesoporous silica shell by hydrothermal treatment followed by calcination to remove the organic groups. A mesoporous silica shell with randomly ordered mesopores and a cavity of up to 40 nm wide was created. The fabrication of ellipsoidal particles with α-Fe2O3 core-mesoporous silica shell was also attempted through surface templating with the cationic surfactant cetyltrimethylammonium bromide (CTAB) as a template. The synthesized particles were sub-optimal as the process used to fabricate the particles was not yet mature.
URI: http://hdl.handle.net/10356/16482
Rights: Nanyang Technological University
Fulltext Permission: restricted
Fulltext Availability: With Fulltext
Appears in Collections:SCBE Student Reports (FYP/IA/PA/PI)

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