Jhaleh Amirian - Department of Nanotechnology Engineering, Faculty of Advanced Sciences and Technologies, University of Isfahan, Isfahan, 81746-73441, Iran.
Behrooz Movahedi - Department of Nanotechnology Engineering, Faculty of Advanced Sciences and Technologies, University of Isfahan, Isfahan, 81746-73441, Iran.
Mohammad Rafienia - Department of Medical Physics and Biomedical Engineering, Isfahan University of Medical Sciences, Iran.

Bioactive glasses (BGs) have been widely studied because such materials have the ability to chemically bond with living bone tissue [1]. A sol-gel processinvolves reactions of hydrolysis and condensation on metal alkoxides that lead to the formation of inorganic chains, rings, and clusters. In terms of fiber pulling, therheological behavior of the sol is one of the most important processing variables. It is basically accepted that enlarged polymers in a solution is the mainrequirement for spin-ability (ability to form fibers). Acidic pH values and low molar ratios between water and alkoxide were shown to produce linear polymers that exhibited spin-ability [2].