A filtration membrane includes a porous membrane that comprises a polymer and a derivatized polydopamine layer disposed on one or both sides of the porous membrane. The derivatized polydopamine layer is disposed on the porous membrane in the presence of an oxidizing agent.

A filtration membrane includes a porous membrane that comprises a polymer and a derivatized polydopamine layer disposed on one or both sides of the porous membrane. The derivatized polydopamine layer is disposed on the porous membrane in the presence of an oxidizing agent.

Disclosed are apparatus and methods for blood and other biological fluid purification using a membrane with cell containing vascular channel systems and filtration channel systems. Also disclosed are methods of making the apparatus as well as methods of making membranes.

Disclosed are apparatus and methods for blood and other biological fluid purification using a membrane with cell containing vascular channel systems and filtration channel systems. Also disclosed are methods of making the apparatus as well as methods of making membranes.

A recyclable waterproofing membrane has a bituminous binder with a recycled bituminous binder (RBB), optionally a fresh polymer and optionally fresh bitumen and a reinforcement. The bituminous binder has a rejuvenator selected from the group consisting of bio-based oils and/or mineral oils, such as plant-based, pine-oil based or vegetable-oil-based. The recycled bituminous binder is obtained by grinding and melting waterproofing membranes with bituminous binder, polymers and a reinforcement.

A recyclable waterproofing membrane has a bituminous binder with a recycled bituminous binder (RBB), optionally a fresh polymer and optionally fresh bitumen and a reinforcement. The bituminous binder has a rejuvenator selected from the group consisting of bio-based oils and/or mineral oils, such as plant-based, pine-oil based or vegetable-oil-based. The recycled bituminous binder is obtained by grinding and melting waterproofing membranes with bituminous binder, polymers and a reinforcement.

A nano silk fibroin fibrous membrane with directional water transport and a preparation method thereof are provided. Firstly, renewable pure silk fibroin is extracted from natural silkworm cocoons. A silk fibroin film with a nanofibrous structure is prepared by an electrostatic spinning method, and a methanol treatment method is used to induce a secondary structure transformation of the silk fibroin film. Then, a spraying process is used to spray octadecyltrichlorosilane (OTS) onto the silk fibroin fibrous membrane, and a uniformly and regularly arranged mesh hydrophobic inner layer and mesh water transport channels are deposited on one side.

A nano silk fibroin fibrous membrane with directional water transport and a preparation method thereof are provided. Firstly, renewable pure silk fibroin is extracted from natural silkworm cocoons. A silk fibroin film with a nanofibrous structure is prepared by an electrostatic spinning method, and a methanol treatment method is used to induce a secondary structure transformation of the silk fibroin film. Then, a spraying process is used to spray octadecyltrichlorosilane (OTS) onto the silk fibroin fibrous membrane, and a uniformly and regularly arranged mesh hydrophobic inner layer and mesh water transport channels are deposited on one side.

Methods of fabricating a membrane comprising proteoliposomes having protein water channels are provided herein. The method may include providing a porous substrate, depositing a solution containing proteoliposomes on the porous substrate, and then contacting the porous substrate with an aqueous monomer solution and an organic monomer solution to form a selective layer on the porous substrate embedding the proteoliposomes. The method may include depositing the aqueous monomer solution, then the solution containing the proteoliposomes, then the organic monomer solution, to form the selective layer. The present disclosure also describes the membrane and a system operable to accommodate both methods.

Methods of fabricating a membrane comprising proteoliposomes having protein water channels are provided herein. The method may include providing a porous substrate, depositing a solution containing proteoliposomes on the porous substrate, and then contacting the porous substrate with an aqueous monomer solution and an organic monomer solution to form a selective layer on the porous substrate embedding the proteoliposomes. The method may include depositing the aqueous monomer solution, then the solution containing the proteoliposomes, then the organic monomer solution, to form the selective layer. The present disclosure also describes the membrane and a system operable to accommodate both methods.