Another aspect of the present invention relates to an anion exchange chromatography process for purifying a GLP-1 peptide from a mixture comprising said peptide and related impurities, comprising the step of: separating said GLP-1 peptide and said related impurities of said mixture by elution in a solution comprising an organic modifier, water, optionally a salt component, and optionally a buffer, with a linear or step gradient or isocratically in salt component and/or with a linear or step pH-gradient or at a constant pH-value, wherein the pH-gradient or pH-value should be in the range where said peptide has a negative local or overall net charge different from the local or overall negative net charge of said related impurities so as to remove said related impurities
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doi: 10.1016/j.plaphy.2021.03.003 Summary Keywords zinc deficiency, ion uptake and gene transporters, organic ligands, root architecture, biostimulators, nano-fertilizers Citation Hamzah Saleem M, Usman K, Rizwan M, Al Jabri H and Alsafran M (2022) Functions and strategies for enhancing zinc availability in plants for sustainable agriculture
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