The disclosed technology includes a membrane-based device configured to concentrate black liquor, which results from papermaking. Certain embodiments may comprise a nanofiltration membrane configured to remove lignin from black liquor, and the nanofiltration membrane may include a first macroporous polymer substrate and a first graphene oxide membrane covering the first macroporous polymer substrate. Some embodiments may comprise a reverse osmosis membrane, which may include a second macroporous polymer substrate and a second graphene oxide membrane covering the second macroporous polymer substrate.

Biological filters for removing target components from biological fluids such as removal of pathogenic cells from whole blood, are described. The filters may include a medium comprising an inert surface, with capture material disposed on the inert surface. The filter may be configured to selectively recognize, capture, and remove target cells such as pathogenic cells associated with a disease, such as an autoimmune disease or cancer. Devices, systems, apparatuses, computer readable media, and methods associated with biological filtering are also provided.

Biological filters for removing target components from biological fluids such as removal of pathogenic cells from whole blood, are described. The filters may include a medium comprising an inert surface, with capture material disposed on the inert surface. The filter may be configured to selectively recognize, capture, and remove target cells such as pathogenic cells associated with a disease, such as an autoimmune disease or cancer. Devices, systems, apparatuses, computer readable media, and methods associated with biological filtering are also provided.

The present invention relates to a process for the preparation of a polyarylene ether sulfone polymer (P) by converting a reaction mixture (R.sub.G) which comprises, among others, at least one aromatic dihalogen sulfone and at least one dihydroxy component comprising at least 20 mol-% of trimethylhydroquinone based on the total amount of the at least one dihydroxy component. The present invention furthermore relates to the Ouse of a polyarylene ether sulfone polymer (P) obtainable by the inventive process in a membrane (M) and to a membrane (M) comprising the polyarylene ether sulfone polymer (P) obtainable by the inventive process, as well as to a method for the preparation of a membrane (M).

The present invention relates to a process for the preparation of a polyarylene ether sulfone polymer (P) by converting a reaction mixture (R.sub.G) which comprises, among others, at least one aromatic dihalogen sulfone and at least one dihydroxy component comprising at least 20 mol-% of trimethylhydroquinone based on the total amount of the at least one dihydroxy component. The present invention furthermore relates to the Ouse of a polyarylene ether sulfone polymer (P) obtainable by the inventive process in a membrane (M) and to a membrane (M) comprising the polyarylene ether sulfone polymer (P) obtainable by the inventive process, as well as to a method for the preparation of a membrane (M).

A zwitterionic polysulfone formed from an allyl-containing monomer, a phenol-containing monomer, and an aryl-halide-containing monomer. The zwitterionic polysulfone may be incorporated into a desalination membrane.

A zwitterionic polysulfone formed from an allyl-containing monomer, a phenol-containing monomer, and an aryl-halide-containing monomer. The zwitterionic polysulfone may be incorporated into a desalination membrane.

The invention pertains to a side-chain epoxy-functionalized copolymer (P1) and to the process for preparing this copolymer (P1). The present invention also pertains to the use of the copolymer (P1) in the preparation of a membrane, a composite material or a coating. The present invention also relates to a resin composition comprising at least the copolymer (P1) according to the present invention.

An extracorporeal blood treatment module includes a plurality of gas transfer units, having a first polymer layer with a plurality of gas channels, a second polymer layer with a plurality of blood channels, and a gas permeable membrane disposed between the plurality of gas channels and the plurality of blood channels, a fluid transfer unit integrated with the plurality of gas transfer units, and including a third polymer layer having a plurality of fluid collection channels, a fourth polymer layer having a plurality of blood channels, and a fluid permeable membrane disposed between the plurality of fluid collection channels and the plurality of blood channels, and a housing containing the plurality of gas transfer units and fluid transfer unit.

The present disclosure relates to a spinneret for producing hollow fiber membranes in a phase inversion process.