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Frequency dependent viscoelastic behavior of the PBA-SHA crosslinked gel over the pH range experienced in the vaginal lumen. Storage modulus (G') and loss modulus (G") versus angular frequency for the gel at pH 4.8, 5.5 and 7.5 at 37°C. Note the progressive decrease of the frequency at which the crossover between G' sand G" occurs with increasing pH. N=3, mean.
