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Multiple Chiroptical Switches and Logic Circuit Based on Salicyl‒ Imine‒chitosan Hydrogel by Changxia Liu; Cuifang Dong; Shuheng Liu; Yang Yang; Zhichao Zhang is a Materials Science article available to read on EtoBox.
What is Multiple Chiroptical Switches and Logic Circuit Based on Salicyl‒ Imine‒chitosan Hydrogel about?
A chitosan-based chiral hydrogel was fabricated by grafting achiral salicylaldehyde (SA) on chitosan chains, followed by supramolecular assembly (CS-SA hydrogel hereafter). The structures and properties of the CS-SA hydrogel were characterized and investigated. The results indicated that the swelling ability of the CS-SA hydrogel depended on the medium pH and crosslinking degree. Circular dichroism measurements revealed that the chiral information of the chitosan was successfully transcribed to the achiral salicylic chromophores through imine bonds. Chiroptical switches based on acid-base responses of the imine bond and the OH fragment of SA and the swelling properties of the CS-SA hydrogel were fabricated, which is first reported for a chitosan-based hydrogel. In addition, a gel film showed good fatigue resistance under external stimuli. IMPLICATION, INHIBIT, and PASS logic gates and a logic circuit based on the chiroptical switches were successfully designed. This study suggests a new method of constructing biobased chiral functional materials.
Who reads Multiple Chiroptical Switches and Logic Circuit Based on Salicyl‒ Imine‒chitosan Hydrogel?
It is typically read by researchers, students, and practitioners in Materials Science.
- Author
- Changxia Liu; Cuifang Dong; Shuheng Liu; Yang Yang; Zhichao Zhang
- Publisher
- Elsevier BV
- Published
- 2021
- Language
- EN
- Field
- Materials Science (Physical Sciences)