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stability
Four Peptide Formulation Solutions in 15 Days Background Custom designed oligopeptides are an increasingly accessible option in peptide-based technologies for pharmaceuticals. Following their synthesis, peptides are often subjected to HPLC purification and synthetic modification, which can require the use of non-aqueous media or salts requiring later removal. During the production of pharmaceutical peptides, spoilage can...
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Four Peptide Formulation Solutions in 15 Days Background Custom designed oligopeptides are an increasingly accessible option in peptide-based technologies for pharmaceuticals. Following their synthesis, peptides are often subjected to HPLC purification and synthetic modification, which can require the use of non-aqueous media or salts requiring later removal. During the production of pharmaceutical peptides, spoilage can...
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Kinetic Analysis of Peptide Aggregation Background Peptide-based pharmaceutical technology requires the delivery of therapeutic oligopeptides as designed in a stable form for effective application. Downstream from therapeutic peptide isolation or synthesis, peptides are often subjected to HPLC purification, synthetic modification, and preparatory treatments for long-term storage. Spoilage in the form of aggregation, degradation or oxidation...
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Determining Molecular Weight (Mw) and Second Virial Coefficient (B22) of monoclonal antibodies using ARGEN Abstract Protein aggregation is generally believed to occur as the result of two instability factors—  conformational and colloidal. Conformational stability is the difference in free energy between the folded and unfolded states of a protein. Although not directly measured as a...
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Formulation Development with ARGEN Abstract Formulations are developed in the biopharmaceutical space as a set of solution conditions that lead to the highest stability of a therapeutic substance such as an antibody protein or peptide.  The solution conditions that generally affect the stability of the solute are solvent choice, ionic strength, pH, excipient, surfactant and...
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Comparing the Stability of Protein Formulations with ARGEN   Abstract Biopharmaceutical companies isolate many types of proteins for use in experimental and therapeutic medicines. Unfortunately, when  removed from their native environments, proteins become less stable. Unstable proteins are more prone to degradation from the primary stress mechanisms: mechanical and thermal (from manufacturing, storage and transport) and...
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