It can. According to the query analytical test encyclopedia network shows that agarose is a polysaccharide, usually used to make food in the gel and colloid, and agarose hydrogel is agarose and water in a certain proportion of the mixture, itself has a strong water absorption, high temperature is needed to make its molecular chain break and form a combination with water to form a colloid or gel state, so the aqueous solution can penetrate the agarose.