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(A) Free water % values in hydrogel samples and controls compared to oviposition values curves. Water release measurement expressed through weight values variations with time: (B) Water release vs. Polymer and Sorbitol wt% and (C) Water release vs. Sorbitol wt%. (D) Water release at controlled conditions in climatic chamber 25 °C, 80% RH. All results are expressed as value ± SD.
