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In this study, new poly(HEMA-co-GMA) or pHEMA-GMA support solid structures were prepared to help protein purification. The surface of the prepared pHEMA-GMA building materials was modified by binding different functional groups such as IDA and NTA. Nickel (Ni II) metal ion was passed through the modified cryogel structures. The monolithic cryogel structure chelated with Ni metal was characterized by SEM and FT-IR. GFP fluorescent protein binding studies of metal chelated cryogel structures were performed using UV-vis and fluorescence spectrophotometry. These cryogels were determined to bind 45% and 75% protein by UV-vis and fluorescence spectrophotometry. And these results were supported by visualization with the SDS PAGE method. [ABSTRACT FROM AUTHOR]