Self-regulated intelligent systems: where adaptive entities meet chemical oscillators

Zhou, Hongwei; Ding, Xiaobin; Zheng, Zhaohui; Peng, Yuxing

doi:10.1039/c3sm00021d

Cited by 35 publications

(28 citation statements)

References 151 publications

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“…As a result, the gel undergoes spontaneous and cyclic swelling-deswelling changes with the redox changes of Ru(bpy) 3 . Recently, there are 40 many studies related to the self-oscillating gels, 14 including theoretical simulations on chemomechanical behaviors. 15,16 Since the first report in 1996, 10 we have systematically studied the self-oscillating polymers and the gels as well as their applications to biomimetic smart materials, 11,12 including 45 biomimetic actuators, autonomous transport systems utilizing peristaltic motion of the gel surface or the tubular gel, functional fluids showing viscosity oscillation, etc.…”

Section: Introductionmentioning

confidence: 99%

Control of swelling–deswelling behavior of a self-oscillating gel by designing the chemical structure

et al. 2015

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We have developed a novel "self-oscillating" gel that exhibits an autonomous mechanical oscillation without any external stimuli. Here the ternary self-oscillating polymer composed of N-isopropylacrylamide and N-(3-aminopropyl)methacrylamide and Ru(bpy) 3 10 was newly synthesized by atom transfer radical polymerization (ATRP) and the gel was prepared. For the self-oscillating polymers and gels with various compositions, their phase transition and self-oscillating behaviors were investigated considering the potential for biomedical application. It was demonstrated that the swelling-deswelling behavior of the self-oscillating gels can be controlled by changing the composition ratio of the free 15 amino group present in the polymer and the conjugated Ru(bpy) 3 moieties. Therefore the hydrophilic/hydrophobic balance is controllable and adjustable by this composition ratio.

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Section: Introductionmentioning

confidence: 99%

Control of swelling–deswelling behavior of a self-oscillating gel by designing the chemical structure

et al. 2015

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“…As we expected, conformational change of HET-s triplet fibril from pH2 to pH3 is related to torsional mode. 1,23,24 In our research, we measured formational similarity with fundamental modes of the biological structures at several tens of GHz based on our calculation.Natural frequencieswhich depend on structure'sgeometries6,13,14 can be affected by chemical oscillators. For model 1 and model 2, 18 th and 23 rd modes were also confirmed as higher order torsional modes.…”

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confidence: 99%

The molecular mechanism of conformational changes of the triplet prion fibrils for pH

et al. 2015

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The HET-s prion fibril, which is found in the filamentous fungus Podosporaanserina, exhibits conformational changes due to variations in pH. Here, we explain the effects of changing pH on the conformational changes of fibrils through the fundamental eigenmodes of the fibrils, in particular the torsional and bending modes, using a parameter free elastic network model. In particular, the motion resulting from these fundamental eigenmodes is found to be very similar to the conformational changes stimulated by pH variations as shown in previous experimentalal results. 1 Finally, we calculated the mechanical properties of the triplet prion fibrils to elucidate its variations in the infectious state.

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“…There is a growing number of excellent papers by other researchers regarding self‐oscillating materials 77–83. The field of self‐oscillating materials will continue to grow, and has great potential for application as novel autonomous functional materials in the near future.…”

Section: Discussionmentioning

confidence: 99%

Recent Advances in Self‐Oscillating Polymer Material Systems

Tamate¹,

Akimoto²,

Yoshida

2016

The Chemical Record

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In 1996, we first reported self-oscillating polymer gels exhibiting autonomous swelling-deswelling oscillations driven by the Belousov-Zhabotinsky reaction. In contrast to conventional stimuli-responsive gels, the self-oscillating gel can autonomously and periodically change its volume in a closed solution without any external stimuli. Since the first report, the novel concept of self-oscillating gels has been expanded into various polymer and gel systems. Herein, we summarize recent advances in self-oscillating polymers and gels.

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Self-regulated intelligent systems: where adaptive entities meet chemical oscillators

Cited by 35 publications

References 151 publications

Control of swelling–deswelling behavior of a self-oscillating gel by designing the chemical structure

Control of swelling–deswelling behavior of a self-oscillating gel by designing the chemical structure

The molecular mechanism of conformational changes of the triplet prion fibrils for pH

Recent Advances in Self‐Oscillating Polymer Material Systems

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