摘要 |
<p>Membranes impregnated with cross-linked enzyme crystals and devices, systems and methods of producing and using same are provided. The present invention includes membranes impregnated with a sufficient amount of a cross-linked enzyme crystal(s), such as membranes impregnated with cross-linked urease crystals. The membrane can been dried in a glycerol solution prior to use.</p> |