The story of the little blue box: a tribute to Siegfried Hünig

XY Chen, H Chen… - Angewandte Chemie …, 2023 - Wiley Online Library
The tetracationic cyclophane, cyclobis (paraquat‐p‐phenylene), also known as the little blue
box, constitutes a modular receptor that has facilitated the discovery of many host–guest …

Technology pull: scale-up of polymeric mechanochemical force sensors

N Willis-Fox, E Watchorn-Rokutan, E Rognin, R Daly - Trends in Chemistry, 2023 - cell.com
Polymer mechanochemistry uses mechanical forces to break and manipulate chemical
bonds, driving a functional response in the material of choice, thus making it an ideal …

Insights into the Correlation of Microscopic Motions of [c2]Daisy Chains with Macroscopic Mechanical Performance for Mechanically Interlocked Networks

Z Zhang, W You, P Li, J Zhao, Z Guo, T Xu… - Journal of the …, 2022 - ACS Publications
Mimicking filament sliding in sarcomeres using artificial molecular muscles such as [c 2]
daisy chains has aroused increasing interest in developing advanced polymeric materials …

Mechanically interlocked networks cross-linked by a molecular necklace

Z Zhang, J Zhao, Z Guo, H Zhang, H Pan, Q Wu… - Nature …, 2022 - nature.com
Molecular necklaces have attracted much research attention due to their unique topological
structures. Although numerous molecular necklaces with exquisite structures have been …

Mechanically responsive luminescent polymers based on supramolecular cyclophane mechanophores

Y Sagara, H Traeger, J Li, Y Okado… - Journal of the …, 2021 - ACS Publications
A new approach to cyclophane-based supramolecular mechanophores is presented. We
report a mechanically responsive cyclic motif that contains two fluorescent 1, 6-bis …

Rotaxane-based dual function mechanophores exhibiting reversible and irreversible responses

T Muramatsu, Y Okado, H Traeger… - Journal of the …, 2021 - ACS Publications
Mechanochromic mechanophores permit the design of polymers that indicate mechanical
events through optical signals. Here we report rotaxane-based supramolecular …

Force-induced shuttling of rotaxanes controls fluorescence resonance energy transfer in polymer hydrogels

T Muramatsu, S Shimizu, JM Clough… - … Applied Materials & …, 2023 - ACS Publications
The molecular shuttling function of rotaxanes can be exploited to design
mechanoresponsive reporter molecules. Here, we report a new approach to such rotaxane …

The propensity for covalent organic frameworks to template polymer entanglement

SE Neumann, J Kwon, C Gropp, L Ma, R Giovine, T Ma… - Science, 2024 - science.org
The introduction of molecularly woven three-dimensional (3D) covalent organic framework
(COF) crystals into polymers of varying types invokes different forms of contact between filler …

Amplification of integrated microscopic motions of high-density [2] rotaxanes in mechanically interlocked networks

X Yang, L Cheng, Z Zhang, J Zhao, R Bai… - Nature …, 2022 - nature.com
Integrating individual microscopic motion to perform tasks in macroscopic sale is common in
living organisms. However, developing artificial materials in which molecular-level motions …

Force-controlled release of small molecules with a rotaxane actuator

L Chen, R Nixon, G De Bo - Nature, 2024 - nature.com
Force-controlled release of small molecules offers great promise for the delivery of drugs
and the release of healing or reporting agents in a medical or materials context,–. In polymer …