Hi! I am trying to create porous PCL scaffolds using gas foaming/salt leaching method. Unfortunately, I've met with some difficulties...just wondering if anyone has used this technique before and could shed some light on my doubts. PCL solution was formed by dissolving PCL pellets in chloroform to the concentration of 15%. Sodium bicarbonate salt (acting as porogen leaching and effervescence salby seet - Tissue Engineering