POLY-L-LACTIC ACID (PLLA) MICROTUBE ARRAY MEMBRANE-IMMOBILIZED YEAST CELLS FOR BIOETHANOL FERMENTATION

USPTO Patent Application US 2017/0166881 A1
Application Date: Jun. 15th, 2017

ABSTRACT

The invention uses a highly porous MTAM to immobilize yeast cells for bioethanol fermentation, a first in bioethanol production. The invention also optimizes the conditions to prepare MTAM-immobilized cells and...
Application Number:
14/968,450
International Classification:
C12N 11/08 (20060101); C12N 1/16 (20060101); C12P 7/06 (20060101)
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CLAIMS

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%.

DESCRIPTION

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.
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