Naphthopyran molecular switches and their emergent mechanochemical reactivity

ME McFadden, RW Barber, AC Overholts… - Chemical Science, 2023 - pubs.rsc.org
Naphthopyran molecular switches undergo a ring-opening reaction upon external
stimulation to generate intensely colored merocyanine dyes. Their unique modularity and …

Xanthene-based functional dyes: Towards new molecules operating in the near-infrared region

S Kamino, M Uchiyama - Organic & Biomolecular Chemistry, 2023 - pubs.rsc.org
Xanthene-based functional dyes have diverse applications in life science and materials
science. A current challenge is to develop new dyes with suitable physicochemical …

Bio‐inspired structure‐editing fluorescent hydrogel actuators for environment‐interactive information encryption

R Wang, Y Zhang, W Lu, B Wu, S Wei… - Angewandte Chemie …, 2023 - Wiley Online Library
Many living organisms have the superb structure‐editing capacity for better adaptation in
dynamic environments over the course of their life cycle. However, it's still challenging to …

A Thermally Stable SO2-Releasing Mechanophore: Facile Activation, Single-Event Spectroscopy, and Molecular Dynamic Simulations

Y Sun, WJ Neary, X Huang… - Journal of the …, 2024 - ACS Publications
Polymers that release small molecules in response to mechanical force are promising
candidates as next-generation on-demand delivery systems. Despite advancements in the …

Solvent polarity effects on the mechanochemistry of spiropyran ring opening

Y Lin, TB Kouznetsova, AG Foret… - Journal of the American …, 2024 - ACS Publications
The spiropyran mechanophore (SP) is employed as a reporter of molecular tension in a
wide range of polymer matrices, but the influence of surrounding environment on the force …

Mechanochemical Release of Fluorophores from a “Flex‐activated” Mechanophore

F Yang, T Geng, H Shen, Y Kou, G **ao… - Angewandte Chemie …, 2023 - Wiley Online Library
Optical force probes that can release force‐dependent and visualized signals with minimal
changes in the polymer main chains under mechanical load are highly sought after but …

Multicolor chromism from a single chromophore through synergistic coupling of mechanochromic and photochromic subunits

W He, Y Yuan, M Wu, X Li, Y Shen, Z Qu… - Angewandte …, 2023 - Wiley Online Library
We report a versatile mechanophore exhibiting a vividly detectable, light‐regulable
multicolor mechanochromism. Such optical features rely on the synergistic coupling of …

Bicyclo [2.2. 0] hexene: A multicyclic mechanophore with reactivity diversified by external forces

S Ding, W Wang, A Germann, Y Wei, T Du… - Journal of the …, 2024 - ACS Publications
Polymer mechanochemistry has been established as an enabling tool in accessing
chemical reactivity and reaction pathways that are distinctive from their thermal counterparts …

Spirolactam and ESIPT in a double-network elastomer: multicolor mechanochromism and dual-ratiometric strain sensing in low and high tensile stress

H Hu, X Cheng, Y Wu, M Chen, Z Ma, Q Yang… - …, 2024 - ACS Publications
Monitoring strain/stress in the bulk polymer material by mechanochromic mechanophores
(MMs) with multimodal analyses can provide valuable information under loading. Herein …

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 …