“…Silica aerogel-based materials have been investigated as adsorbents of harmful heavy metals (e.g., Pb(II), Cu(II), and Pd(II)) [ 121 , 142 , 143 ], organic dyes (e.g., crystal violet, methylene blue, azophloxine, and acid green 25) [ 119 , 144 , 145 , 146 ], antibiotics (e.g., terramycin, cefixime, and ciprofloxacin) [ 147 , 148 , 149 ], and nanoplastics [ 150 ] from contaminated aqueous samples.…”