What is claimed is:
1. A combination of yeast cells and a porous microtube array membrane (MTAM), wherein the yeast cells are immobilized in the MTAM and wherein the yeast encapsulation efficiency is more than 60%.
FIELD OF THE INVENTION
The invention relates to immobilized yeast cells used for fermentation. Particularly, the invention provides a renewable poly-1-lactic acid (PLLA) microtube array membrane (MTAM)-immobilized yeast cell and the application thereof in bioethanol fermentation.