TY  - JOUR 
T1  - Scanning electron microscopy study of protein immobilized on SIO2 Sol-gel surfaces
JO  - Brazilian Journal of Chemical Engineering
A1  - Assis, O.B.G.
SN  - 0104-6632
UL  - 10.1590/S0104-66322003000300014
VL  - 20 
Y1  - 2003
PB  - Brasil 
ER  -