The present disclosure provides compounds and nanostructures having one or more quaternary ammonium salts, compositions including the compounds and nanostructures, and methods useful for treating conditions using the compounds, nanostructures, and compositions. In at least one aspect, a compound is represented by formula (I): ##STR00001##
or a pharmaceutically acceptable salt thereof, wherein:
Q is fluoro, chloro, bromo, or iodo;
each of s, b, and n is independently an integer from about 10 to about 100; and
each of v, j, p, z, q, x and m is independently an integer from 1 to about 20.

The present disclosure provides compounds and nanostructures having one or more quaternary ammonium salts, compositions including the compounds and nanostructures, and methods useful for treating conditions using the compounds, nanostructures, and compositions. In at least one aspect, a compound is represented by formula (I): ##STR00001##
or a pharmaceutically acceptable salt thereof, wherein:
Q is fluoro, chloro, bromo, or iodo;
each of s, b, and n is independently an integer from about 10 to about 100; and
each of v, j, p, z, q, x and m is independently an integer from 1 to about 20.

The present invention relates to an oral pharmaceutical composition for drugs with a high dosage regimen, specifically, ion exchange resins and bulk-forming laxatives. Said composition comprises the combination of a liquid oily component and a texturizing agent, giving the composition good organoleptic properties that allow taking drugs with a high dosage regimen without the usual problems associated with their poor palatability. The invention also relates to a method for preparing said composition and to the use thereof for the treatment of various pathologies. Furthermore, the invention also relates to an adduct formed between a polyol and an ion exchange resin, to a method for preparing it, and to the use thereof to improve resin palatability.

The present invention relates to an oral pharmaceutical composition for drugs with a high dosage regimen, specifically, ion exchange resins and bulk-forming laxatives. Said composition comprises the combination of a liquid oily component and a texturizing agent, giving the composition good organoleptic properties that allow taking drugs with a high dosage regimen without the usual problems associated with their poor palatability. The invention also relates to a method for preparing said composition and to the use thereof for the treatment of various pathologies. Furthermore, the invention also relates to an adduct formed between a polyol and an ion exchange resin, to a method for preparing it, and to the use thereof to improve resin palatability.

The invention relates to methods of lubricating biological tissue, such as joints, bone, ocular tissue, nasal tissue, tendons, tendon capsule, and vaginal tissue, by contacting the biological tissue with an effective amount of a block copolymer lubricating composition which functions at least or better than lubricin. In particular embodiments, the method is used to treat osteoarthritis. In specific embodiments, the block copolymer has an ammonium-containing polymer block and a non-ionic hydrophilic polymer block, or the copolymer has a carboxylic acid-containing polymer block and a non-acid non-ionic hydrophilic polymer block.

The invention relates to methods of lubricating biological tissue, such as joints, bone, ocular tissue, nasal tissue, tendons, tendon capsule, and vaginal tissue, by contacting the biological tissue with an effective amount of a block copolymer lubricating composition which functions at least or better than lubricin. In particular embodiments, the method is used to treat osteoarthritis. In specific embodiments, the block copolymer has an ammonium-containing polymer block and a non-ionic hydrophilic polymer block, or the copolymer has a carboxylic acid-containing polymer block and a non-acid non-ionic hydrophilic polymer block.

The present invention relates generally to compositions and methods comprising abiotic, synthetic polymers with affinity and specificity to proteins. The synthetic polymers are an improvement over biological agents by providing a simpler, less expensive, and customizable platform for binding to proteins. In one embodiment, the compositions and methods relate to synthetic polymers with affinity and specificity to vascular endothelial growth factor (VEGF). In one embodiment, the compositions are useful for treating diseases and disorders related to the overexpression of VEGF. In one embodiment, the compositions are useful for treating cancer. In one embodiment, the compositions are useful for detecting VEGF levels from biological samples. In one embodiment, the compositions are useful for detecting overexpression of VEGF from biological samples. In one embodiment, the compositions are used to diagnose cancer.

The present invention relates generally to compositions and methods comprising abiotic, synthetic polymers with affinity and specificity to proteins. The synthetic polymers are an improvement over biological agents by providing a simpler, less expensive, and customizable platform for binding to proteins. In one embodiment, the compositions and methods relate to synthetic polymers with affinity and specificity to vascular endothelial growth factor (VEGF). In one embodiment, the compositions are useful for treating diseases and disorders related to the overexpression of VEGF. In one embodiment, the compositions are useful for treating cancer. In one embodiment, the compositions are useful for detecting VEGF levels from biological samples. In one embodiment, the compositions are useful for detecting overexpression of VEGF from biological samples. In one embodiment, the compositions are used to diagnose cancer.

This invention relates to methods of lubrication for biological tissue, especially joint and cartilage surfaces, and to methods of treating osteoarthritis using high molecular weight, hydrophilic polymer brushes, which mimic the structure and activity of lubricin. These synthetic lubricin analog polymer brushes (termed herein graft brush polymers), include poly(acrylic acid) backbones grafted with polyethylene glycol.

This invention relates to methods of lubrication for biological tissue, especially joint and cartilage surfaces, and to methods of treating osteoarthritis using high molecular weight, hydrophilic polymer brushes, which mimic the structure and activity of lubricin. These synthetic lubricin analog polymer brushes (termed herein graft brush polymers), include poly(acrylic acid) backbones grafted with polyethylene glycol.