Patent classifications
B01D69/144
Carbon material and method for producing carbon material
The present disclosure provides a carbon material including a carbon-containing layer having opening parts; and a solid body provided so as to cover the opening parts of the carbon-containing layer, in which the solid body has hole parts communicating with the opening parts.
COMPOSITE BIOCOMPATIBLE ARTICLES MADE FROM DOPED POLYSULPHONE FILAMENTS AND A PROCESS FOR MAKING THE SAME
This invention relates to articles of high permeability and flux. Particularly useful in dialysis made from filaments produced from a composition of polysulphones and Vitamin ETPGS. This invention also includes a process for producing such articles.
Hollow-fiber membrane blood purification device
Disclosed is a hollow-fiber membrane blood purification device having an improved antioxidant performance, good water permeation performance and blood compatibility performance, and economic rationality. The present invention provides a hollow-fiber membrane blood purification device including hollow-fiber membranes filled in a vessel, in which the hollow-fiber membranes contain a hydrophobic polymer, a hydrophilic polymer and a fat-soluble vitamin, when a hollow-fiber membrane bundle is divided into five sections in a lengthwise direction and divided sections positioned in endmost portions are defined as body end portions, an amount of the fat-soluble vitamin present in at least one of the body end portions is the largest among amounts of the fat-soluble vitamin present respectively in all the divided sections, and an amount of the fat-soluble vitamin per m.sup.2 of a hollow-fiber membrane inner surface of the at least one body end portion is 20 mg/m.sup.2 or more and 300 mg/m.sup.2 or less.
A Method of Magnetically Aligning and Crystallizing Membrane Proteins
The disclosure describes a method of forming highly ordered membrane protein crystals. The forming process is done in the presence of a magnetic field to exploit the diamagnetic anisotropy of the membrane protein. Further described is a method of magnetic alignment and crystallization of membrane proteins in two-dimensional (2D) sheets for protein structural characterization and applications in functional devices. Block co-copolymers are used in alternative embodiments to assist with the crystallization process.
Hollow fiber module having TFC-aquaporin modified membranes
The present invention relates to a hollow fiber (HF) module having fibers modified with a thin film composite (TFC) layer comprising aquaporin water channels.
Immobilized multi-layer artificial membrane for permeability measurements (PAMPA)
With the subject invention, a method is provided for preparing a filter membrane including the steps of dispersing a liquid which is generally hydrophobic into the pores of a porous membrane, and applying a solution containing lipids onto at least a first surface of the porous membrane containing the liquid. Advantageously, the subject invention allows for filter membranes to be prepared which can be stored for periods of time without degradation in performance. The subject invention may have applicability in various contexts, but is well-suited for preparing filter membranes for permeability screening, particularly Parallel Artificial Membrane Permeability Assay (PAMPA).
Polymers and process for making membranes
Novel block copolymers comprising at least one (poly)2-C.sub.1-3alkyl-2-oxazoline block and at least one (poly)dimethyl siloxane block, having at least one end group X which includes both an NH.sub.2 group and an NH group, have been found to be particularly suitable for forming vesicles. The vesicles may be used to form filtration membranes.
POLYACID-FUNCTIONALIZED POROUS MEMBRANES, RELATED METHODS, AND RELATED POLYACID POLYMERS
The disclosure relates to processes, related polyacid polymers, and related articles for functionalizing a porous membrane by contacting the membrane with a polyacid polymer at low pH to stably adsorb a polyacid layer on the membrane pore surface, in particular polyacid polymers including repeating units with a pendent metal-binding ligand or star polyacid polymers. The resulting functionalized membrane is characterized by a high density of free acid groups, resulting in a higher specific capacity for its intended application. The process allows functionalization of porous membranes in a very simple, one-step process, for example without a need to derivatize an adsorbed polyacid layer to impart metal-binding ligand functionality thereto. Such functional membranes may find multiple uses, including rapid, selective binding of proteins for their purification or immobilization.
Artificial membrane-fixed liquid filtration structure
The present disclosure relates to a liquid filtration structure with one or more macromolecule membrane structures including membrane proteins selectively permeable to water molecules and fixed within a pore. A liquid filtration structure according to an exemplary embodiment of the present disclosure increases stability and durability of macromolecule membrane structures including membrane proteins selectively permeable to water molecules, and, thus, can be effectively used in a filtration device for purifying water.
AFFINITY MEMBRANE AND METHOD OF PREPARATION
A method for preparing an adsorptive media for binding biologic molecules comprising immersing a macroporous support in a first solution of a coupling reagent in a solvent solution for attachment of said coupling reagent to form coupling groups; and, immersing said macroporous support in an incubating solution selected from the group consisting of ligand, nucleotide, oligonucleotide, peptide, polypeptide, protein, and enzyme solutions having an affinity to a biologic target molecule to couple one of said ligands, nucleotides, oligonucleotides, peptides, polypeptides, proteins, and enzymes to at least a portion of said coupling groups of said macroporous support for binding with said biologic target molecule when exposed to said macroporous support.