Dear Berrin,

You can also buy phenol red free basement membrane matrix.Check this out.

http://www.fishersci.com/ecomm/servlet/fsproductdetail_10652_811716__-1_0

Hope this helps.

Thank you Charan. It seems Ok but if any other suggestion please let me know.. It can even be home made.

Hello

You can use alginate matrices.

http://www.lifetechnologies.com/in/en/home/life-science/cell-culture/3d-cell-culture/3d-cell-culture-misc/algimatrix.html

You can get the phenol red-free matrigel. It's great to grow 3-D cultures.

Thanx to all =)