a simple procedure for the preparation of agarose suitable for electrophoresis is developed in which anionic polysaccharides are removed by extracting the agar gel-granules with phosphate buffer ( 0.03 m , ph 6.8 ) containing urea ( 4 m ) , followed by electrophoresis in the same buffer system .
C0036681
agarose
C0032594
polysaccharides