Procion brown MX5-BR and procion green H-4G bağlı pHEMA sorbentlerinin lizozim enziminin saflaştırılmasında kullanımı ve saflık derecesinin YBSK'da tayini The Use of procion brown MX5-BR and procion green H-4G immobilized pHEMA sorbents in the purification of the lysozyme enzyme and determination of purity degree of the lysozyme by HPLC