■ Pietruszka, A., Galaev, I.Yu , Kumar, A. Brzozowski, Z. K. and Mattiasson, B., (2000). New polymers forming aqueous two-phase polymer systems. Biotechnology Progress 16: 408-415.
■ Kumar, A., Galaev, I. Yu. andMattiasson, B., (2000). Polymer Displacement/Shielding in Protein Chromatography. Journal of Chromatography B: Biomedical Applications, 741: 103-113.
■ Kumar, A., Galaev, I. Yu. and Mattiasson, B., (1999). Purification of lac repressor protein using polymer displacement and immobilization of the protein. Bioseparation 8: 307-316.
■ Galaev, I. Yu., Kumar, A. and Mattiasson, B., (1999). Metal-copolymer complexes of N-isopropylacrylamide for affinity precipitation of proteins. J. Macromolecular Sciences-Chemistry A36 (7&8): 1093 - 1105.
■ Kumar, A., Galaev, I. Y. and Mattiasson, B., (1999). Metal chelate affinity precipitation: A new approach to protein purification. Bioseparation 7: 185 - 194.
■ Kumar, A., Galaev, I. Yu. and Mattiasson, B., (1999). Purification of lac repressor protein using polymer displacement and immobilization of the protein. Bioseparation 8: 307-316.
■ Galaev, I. Yu., Kumar, A. and Mattiasson, B., (1999). Metal-copolymer complexes of N-isopropylacrylamide for affinity precipitation of proteins. J. Macromolecular Sciences-Chemistry A36 (7&8): 1093 - 1105.
■ Kumar, A., Galaev, I. Y. and Mattiasson, B., (1999). Metal chelate affinity precipitation: A new approach to protein purification. Bioseparation 7: 185 - 194.