Abstract
Porous hydroxyapatite coated with MCM-41/PCL has been utilized as the matrix for controlled drug delivery. SEM result shows porous hydroxyapatite block is formed of three dimensionally inter-connected pores of 250 –300 *m in size, similar to human cancellous bone. TEM observation confirms the pore size of MCM-41 scatters about 50 Å. Ibuprofen was loaded into the pores of MCM-41 and hybridized with polycaprolactone to coat on the surface of hydroxyapatite block and controlled release profiles were studied by soaking the samples in a simulated body fluid using a UV-VIS spectrophotometer.
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