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For the first time, we introduced chemomechanical self-oscillating poly(N-isopropylacrylamide)-based gels containing catalytically active Fe or Ru complexes both as crosslinkers and as pendant groups. All the obtained gels exhibited sustained autonomous oscillations driven by the Belousov–Zhabotinsky reaction within their structure. The Ru complex-based gels also demonstrated pronounced chemomechanical oscillations; they periodically swelled/shrunk when the catalyst was reduced/oxidized. It was found that the combination of catalytically active cross-linking and pendant Ru complexes in the same gel led to a change in the structure of the gel and a significant increase in the amplitude of its mechanical oscillations. The proposed approach allowed for increasing the amplitude of the mechanical oscillations of self-oscillating gels and opened up new possibilities for adjusting their characteristics. We believe that these gels hold potential for the development of soft actuators and systems capable of signal processing through propagating and interacting chemical waves.

For the first time, we introduced chemomechanical self-oscillating poly(N-isopropylacrylamide)-based gels containing catalytically active Fe or Ru complexes both as crosslinkers and as pendant groups. All the obtained gels exhibited sustained autonomous oscillations driven by the Belousov–Zhabotinsky reaction within their structure. The Ru complex-based gels also demonstrated pronounced chemomechanical oscillations; they periodically swelled/shrunk when the catalyst was reduced/oxidized. It was found that the combination of catalytically active cross-linking and pendant Ru complexes in the same gel led to a change in the structure of the gel and a significant increase in the amplitude of its mechanical oscillations. The proposed approach allowed for increasing the amplitude of the mechanical oscillations of self-oscillating gels and opened up new possibilities for adjusting their characteristics. We believe that these gels hold potential for the development of soft actuators and systems capable of signal processing through propagating and interacting chemical waves. [ABSTRACT FROM AUTHOR]

Background. The construction of an effective system for the protection of the rights and legitimate interests of minors is closely linked to the involvement of every member of society in this task. The children’s ombudsman is a special mechanism that serves as a link between citizens and States in the protection of children’s rights. The purpose of this work is to identify areas of interaction between the Presidential Commissioner for Children’s Rights of Russia and civil society institutions, as well as to propose ways to improve collaboration. Materials and methods. The implementation of the research tasks was achieved on the basis of the legislation and practice analysis of the Presidential Commissioner for Children’s Rights of Russia. During the work, methods of system analysis and modeling were used. Results. After analyzing the experience of the Presidential Commissioner with civil society institutions, three main areas of cooperation can be identified. Firstly, the children’s ombudsman acts as a kind of unifying factor for organizations whose work is aimed at protecting the rights of children and public authorities. Secondly, the ombudsman provides methodological support by organizing seminars on topical issues of childhood with the involvement of experts in specific areas. Thirdly, the ombudsman participates in information education on the protection of the rights and legitimate interests of children. Conclusions. The consolidated work of the State and society can effectively improve the level of children protection. The work of the Presidential Commissioner for Children’s Rights of Russia is a crucial unifying factor in building such cooperation. The above-mentioned ways of building effective interaction between the children’s ombudsman and civil society institutions seem to be long-term and can make the lives of children in the country safer and more conducive to development.

The correction notice addresses errors in Figure 1 of the original publication by Mallphanov et al. regarding the reaction conditions. The corrected Figure 1 includes changes to the captions and additional information on the synthesis process. The authors confirm that these corrections do not impact the scientific conclusions of the study. [Extracted from the article]