<p> For the past few years, we have been developing structurally simple, easy-to-synthesize, modular, and tunable hydrazone-based functional materials.¹ This presentation will highlight our recent advances with these systems, with an emphasis on the use of hydrazones in the development of negative feedback loops,² reversible multicolor liquid crystal diplays (see below),³ and anion pumps.⁴</p><p><br></p><p class="ql-align-justify">References:</p><p class="ql-align-justify">1. B. Shao, I. Aprahamian <em>Chem</em> 2020, <strong>6</strong>, 2161–2173.</p><p class="ql-align-justify">2. D. Komáromy, A. N. Bismillah, V. A. Puranik, H. Fu, A. S. Y. Wong, I. Aprahamian, <em>Chem</em> 2026, <strong>12</strong>, 102692.</p><p class="ql-align-justify">3. I. Bala, J. T. Plank, B. Balamut, D. Henry, A. R. Lippert, I. Aprahamian, <em>Nature Chem</em>. 2024, <strong>16</strong>, 2084–2090.</p><p class="ql-align-justify"><span style="color: windowtext;">4. B. Shao, H. Fu, I. Aprahamian, </span><em style="color: windowtext;">Science</em><span style="color: windowtext;"> 2024, </span><strong style="color: windowtext;">385</strong><span style="color: windowtext;">, 544–549</span></p>