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. 2019 Sep 26;11(10):1564. doi: 10.3390/polym11101564

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© 2019 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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The design of logic gates. Schemes illustrating (a) preparation of molds using polydimethylsiloxane (PDMS); (b) using power, a bulb, PDMS molds, and stimuli-responsive conductive hydrogels to form logic gates. The red rectangles represent temperature-responsive conductive hydrogels and the blue rectangles represent pH-responsive conductive hydrogels; (c) thedifferent states of the YES gates and the truth tables; (d) the different states of the AND gates and the truth tables; (e) the different states of the OR gates and the truth tables.