The present invention relates to a method for the non-denaturing preparation of peptide or protein nanoprecipitates, or of peptide or protein and metal ion nanocoprecipitales, in which said protein or said peptide has a molecular weight no higher than 20 kDa, preferably no higher than 15 kDa, advantageously no higher than 10 kDa, and more advantageously no higher than 8 kDa. Said method includes a step of preparing a mixture of an aqueous solution of peptides or proteins, a nonsolvent of the peptide or protein, and optionally a water-soluble metal salt. The present invention also relates to a nanoprecipitate that can be obtained by the method according to the invention, as well as to a pharmaceutical composition comprising same, for use in the treatment or prevention of diabetes.

The present invention relates to a method for the non-denaturing preparation of peptide or protein nanoprecipitates, or of peptide or protein and metal ion nanocoprecipitales, in which said protein or said peptide has a molecular weight no higher than 20 kDa, preferably no higher than 15 kDa, advantageously no higher than 10 kDa, and more advantageously no higher than 8 kDa. Said method includes a step of preparing a mixture of an aqueous solution of peptides or proteins, a nonsolvent of the peptide or protein, and optionally a water-soluble metal salt. The present invention also relates to a nanoprecipitate that can be obtained by the method according to the invention, as well as to a pharmaceutical composition comprising same, for use in the treatment or prevention of diabetes.

The present invention relates to a method and system for extracting proteins from precipitates, particularly recombinant and/or plasma derived proteins including immunoglobulins (Ig) such as immunoglobulin G (IgG).

The present invention relates to a method and system for extracting proteins from precipitates, particularly recombinant and/or plasma derived proteins including immunoglobulins (Ig) such as immunoglobulin G (IgG).

A PSMA-specific agent comprising a compound according to Formula I or Formula II: wherein S.sub.1 is absent or is an organic spacer group comprising 3-10 carbons; A is an amino acid chain comprising 1 to 5 amino acids wherein at least one of the amino acids is selected from glutamic acid and aspartic acid; S2 is absent or is an organic spacer group comprising 1 to 15 carbons and/or 0 to 2 amino acids; I.sub.1 is an imaging group; and I.sub.2 is absent or is an imaging group. The PSMA-specific agents can be used to image PSMA within a tissue region and/or for the treatment of a cancer, such as prostate cancer.

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Processes for preparing and purifying protein from plant material, and compositions and uses comprising the same, are provided.

Processes for preparing and purifying protein from plant material, and compositions and uses comprising the same, are provided.

The present invention in its broadest aspect relates to a method for reducing glycoalkaloid content and turbidity of an aqueous phase comprising compounds selected from two or more of PA, PI, PPO, LipO, pectin, lipid, glycoalkaloid and phenolic compounds of which at least one compound is selected from PA, PI, LipO and PPO; a) providing an aqueous phase comprising compounds selected from two or more of PA, PI, PPO, LipO, pectin, lipid, glycoalkaloid and phenolic compounds of which at least one compound is selected from PA, PI, LipO and PPO; and b) performing one or more steps to reduce the concentration of solanine in the dry matter of the aqueous phase with at least 15 percent, such as at least 20% such as at least 25% and to achieve an optical density at 620 nm of the remaining aqueous phase of less than 0.7; such as less than 0.5; such as less than 0.3; such as less than 0.2 such as less than 0.1 and thereby obtaining an aqueous phase having reduced glycoalkaloid content and turbidity compared to an untreated aqueous phase.

The present invention in its broadest aspect relates to a method for reducing glycoalkaloid content and turbidity of an aqueous phase comprising compounds selected from two or more of PA, PI, PPO, LipO, pectin, lipid, glycoalkaloid and phenolic compounds of which at least one compound is selected from PA, PI, LipO and PPO; a) providing an aqueous phase comprising compounds selected from two or more of PA, PI, PPO, LipO, pectin, lipid, glycoalkaloid and phenolic compounds of which at least one compound is selected from PA, PI, LipO and PPO; and b) performing one or more steps to reduce the concentration of solanine in the dry matter of the aqueous phase with at least 15 percent, such as at least 20% such as at least 25% and to achieve an optical density at 620 nm of the remaining aqueous phase of less than 0.7; such as less than 0.5; such as less than 0.3; such as less than 0.2 such as less than 0.1 and thereby obtaining an aqueous phase having reduced glycoalkaloid content and turbidity compared to an untreated aqueous phase.

There is provided a cell culture matrix comprising a fungal derived protein. Also provided is a composition comprising the cell culture matrix as described herein, a cell culture system comprising the cell culture matrix as described herein, and a method of forming a cell culture matrix thereof.