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US 10,744,461 B2Granted
Ultrafiltration membrane based on bacterial nanocellulose and graphene oxide
AssigneeWashington University
InventorsSrikanth Singamaneni, Young-Shin Jun, Qisheng Jiang, Deoukchen Ghim
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Abstract
The present disclosure is directed to ultrafiltration membranes based on bacterial nanocellulose and graphene oxide. In particular, the present disclosure is directed to the novel design and incorporation of membranes for realizing new, highly efficient, and environmentally-friendly anti-biofouling membranes for water purification.
Claims5
A method for the preparation of a bilayered biofilm comprising nanocellulose and a nanomaterial, the method comprising:
- providing a bacterial culture of Gluconacetobacter hansenii in a growth media;
- incubating the bacterial culture and the nanomaterial until a first biofilm layer forms;
- adding additional growth media on top of the first biofilm layer, said additional growth media comprising the bacterial culture;
- and,
- incubating the bacterial culture until a second biofilm layer forms thereby forming a bilayered biofilm,
- wherein one of the bacterial cultures in growth media further comprises a nanomaterial.
3 more elements
Dependencies are inferred from the claim text.