Abstract: The invention relates to compounds of formula I wherein R1, R2 and - - - - - are as defined herein, pharmaceutical compositions comprising the compounds and methods of treating COVID-19 in a patient by administering therapeutically effective amounts of the compounds and methods of inhibiting or preventing replication of SARS-CoV-2 with the compounds.

Abstract: Solid forms of L-glufosinate materials, including crystalline L-glufosinate ammonium, are described.

Abstract: Solid forms of L-glufosinate materials, including crystalline L-glufosinate ammonium, are described.

Abstract: Compositions and methods for isolating L-glufosinate from a composition comprising L-glufosinate and glutamate are provided. The method comprises converting the glutamate to pyroglutamate followed by the isolation of L-glufosinate from the pyroglutamate and other components of the composition to obtain substantially purified L-glufosinate. The composition comprising L-glufosinate and glutamate is subjected to an elevated temperature for a sufficient time to allow for the conversion of glutamate to pyroglutamate, followed by the isolation of L-glufosinate from the pyroglutamate and other components of the composition to obtain substantially purified L-glufosinate. The glutamate alternatively may be converted to pyroglutamate by enzymatic conversion. The purified L-glufosinate is present in a final composition at a concentration of 90% or greater of the sum of L-glufosinate, glutamate, and pyroglutamate.

Abstract: Compositions and methods for isolating L-glufosinate from a composition comprising L-glufosinate and glutamate are provided. The method comprises converting the glutamate to pyroglutamate followed by the isolation of L-glufosinate from the pyroglutamate and other components of the composition to obtain substantially purified L-glufosinate. The composition comprising L-glufosinate and glutamate is subjected to an elevated temperature for a sufficient time to allow for the conversion of glutamate to pyroglutamate, followed by the isolation of L-glufosinate from the pyroglutamate and other components of the composition to obtain substantially purified L-glufosinate. The glutamate alternatively may be converted to pyroglutamate by enzymatic conversion. The purified L-glufosinate is present in a final composition at a concentration of 90% or greater of the sum of L-glufosinate, glutamate, and pyroglutamate.

Abstract: Compositions and methods for isolating L-glufosinate from a composition comprising L-glufosinate and glutamate are provided. The method comprises converting the glutamate to pyroglutamate followed by the isolation of L-glufosinate from the pyroglutamate and other components of the composition to obtain substantially purified L-glufosinate. The composition comprising L-glufosinate and glutamate is subjected to an elevated temperature for a sufficient time to allow for the conversion of glutamate to pyroglutamate, followed by the isolation of L-glufosinate from the pyroglutamate and other components of the composition to obtain substantially purified L-glufosinate. The glutamate alternatively may be converted to pyroglutamate by enzymatic conversion. The purified L-glufosinate is present in a final composition at a concentration of 90% or greater of the sum of L-glufosinate, glutamate, and pyroglutamate.

Abstract: Compositions and methods for isolating L-glufosinate from a composition comprising L-glufosinate and glutamate are provided. The method comprises converting the glutamate to pyroglutamate followed by the isolation of L-glufosinate from the pyroglutamate and other components of the composition to obtain substantially purified L-glufosinate. The composition comprising L-glufosinate and glutamate is subjected to an elevated temperature for a sufficient time to allow for the conversion of glutamate to pyroglutamate, followed by the isolation of L-glufosinate from the pyroglutamate and other components of the composition to obtain substantially purified L-glufosinate. The glutamate alternatively may be converted to pyroglutamate by enzymatic conversion. The purified L-glufosinate is present in a final composition at a concentration of 90% or greater of the sum of L-glufosinate, glutamate, and pyroglutamate.

Abstract: The invention relates to compounds of formula I wherein R1, R2 and - - - - - are as defined herein, pharmaceutical compositions comprising the compounds and methods of treating COVID-19 in a patient by administering therapeutically effective amounts of the compounds and methods of inhibiting or preventing replication of SARS-CoV-2 with the compounds.

Abstract: Aspects of the disclosure relate to methods and compositions of altering a solution through the use of readily retrievable agents (e.g., a nanoparticle) having one or more functional groups configured to undergo a solvation interaction with a component of the solution. Compositions, systems, and methods for crystallizing organic and inorganic compounds from solutions using nanoparticles surface coated with functional groups that create a supersaturated state in the solution and reversal thereof. Compositions, systems, and methods for purifying water or active pharmaceutical ingredients. Compositions, systems, and methods for increasing the solubility of a solution and reversal of the same. Compositions, systems, and methods for decreasing the solubility of a crystallized compound and reversal of the same.

Abstract: Compositions and methods for isolating L-glufosinate from a composition comprising L-glufosinate and glutamate are provided. The method comprises converting the glutamate to pyroglutamate followed by the isolation of L-glufosinate from the pyroglutamate and other components of the composition to obtain substantially purified L-glufosinate. The composition comprising L-glufosinate and glutamate is subjected to an elevated temperature for a sufficient time to allow for the conversion of glutamate to pyroglutamate, followed by the isolation of L-glufosinate from the pyroglutamate and other components of the composition to obtain substantially purified L-glufosinate. The glutamate alternatively may be converted to pyroglutamate by enzymatic conversion. The purified L-glufosinate is present in a final composition at a concentration of 90% or greater of the sum of L-glufosinate, glutamate, and pyroglutamate.

Abstract: Aspects of the disclosure relate to methods and compositions of altering a solution through the use of readily retrievable agents (e.g., a nanoparticle) having one or more functional groups configured to undergo a solvation interaction with a component of the solution. Compositions, systems, and methods for crystallizing organic and inorganic compounds from solutions using nanoparticles surface coated with functional groups that create a supersaturated state in the solution and reversal thereof. Compositions, systems, and methods for purifying water or active pharmaceutical ingredients. Compositions, systems, and methods for increasing the solubility of a solution and reversal of the same. Compositions, systems, and methods for decreasing the solubility of a crystallized compound and reversal of the same.

Abstract: Provided is a method for purification of TNFR:Fc fusion protein comprising hydrophobic interaction chromatography, wherein the buffer solution used in the said chromatography does not contain any additives.

Abstract: The application describes an antibody purification method comprising multiple chromatographic steps wherein the low pH eluate from a protein A chromatography is further purified without the need of substantial pH adjustment.

Abstract: The invention describes a method for protein purification. More particularly, the invention relates to a purification process comprising protein A chromatography and anion exchange chromatography wherein protein A chromatography eluate is further purified by anion exchange chromatography at similar pH or at a pH less than or equal to 6.

Abstract: The present invention describes a method and composition for a pharmaceutical product based on Tenofovir disoproxil hemifumarate, Emtricitabine and Efavirenz. The composition can be prepared by a process comprising a wet granulation step to produce a stable dosage form suitable for the treatment of HIV in essential absence of known degradation products.