Preparation of hydro gel is beginning from a leading solution dissolve Dimethylformamide (DMF) in Tehran and EDTA, acetic cellulose fill triethylamine. Mix together will be more viscous the Petri dish in the taking, gel gel lalong is 48 h reaction to ester Rifi vacation, and then apply the gel preparations derived additives, sodium bicarbonate, and filter with water and ethanol asserts drying.
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