Abstract:BackgroundSafe and noninvasive on-demand relief is a crucial and effective treatment for postoperative pain because it considers variable timing and intensity of anesthetics. Ultrasound modulation is a promising technique for this treatment because it allows convenient timed and noninvasive controlled drug release.MethodsWe created an ultrasound-triggered lidocaine (Lido) release platform using an amino acid hydrogel functioning as three dimensional (3D) scaffold material (Lido-PPIX@ER hydrogel). Optimal prepa… Show more
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