Journal ArticleDOI
Single-Event Spectroscopy and Unravelling Kinetics of Covalent Domains Based on Cyclobutane Mechanophores
Brandon H. Bowser,Shu Wang,Tatiana B. Kouznetsova,Haley K. Beech,Haley K. Beech,Bradley D. Olsen,Bradley D. Olsen,Michael Rubinstein,Stephen L. Craig +8 more
TLDR
In this paper, a covalent synthetic mimics of the mechanical unfolding of noncovalent “stored length” doma... is proposed to serve as a synthetic mimic of the unfolding of polymer contour length.Abstract:
Mechanochemical reactions that lead to an increase in polymer contour length have the potential to serve as covalent synthetic mimics of the mechanical unfolding of noncovalent “stored length” doma...read more
Citations
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Journal ArticleDOI
Force-Induced Near-Infrared Chromism of Mechanophore-Linked Polymers.
Qingkai Qi,Gaganjot Sekhon,Richard Chandradat,Nnamdi M. Ofodum,Tianruo Shen,Jan Scrimgeour,Monu Joy,Mario Wriedt,Madhuri Jayathirtha,Costel C. Darie,Devon A. Shipp,Xiaogang Liu,Xiaocun Lu +12 more
TL;DR: In this article, a mechanophore based on benzo[1,3]oxazine (OX) fused with a heptamethine cyanine moiety was developed and incorporated into a poly(methyl acrylate) chain to showcase the first force-induced NIR chromism in polymeric materials.
Journal ArticleDOI
Understanding the Mechanochemistry of Ladder-Type Cyclobutane Mechanophores by Single Molecule Force Spectroscopy.
Matias Horst,Jinghui Yang,Jan Meisner,Tatiana B. Kouznetsova,Todd J. Martínez,Todd J. Martínez,Stephen L. Craig,Yan Xia +7 more
TL;DR: In this paper, a series of ladder-type cyclobutane mechanophores, polymers of which can transform from nonconjugated structures to conjugated structures and change many properties at once, are reported.
Journal ArticleDOI
Exploration of Metal-Ligand Coordination Bonds in Proteins by Single-molecule Force Spectroscopy
TL;DR: It is shown that metalloprotein plays an essential role in many different biological processes and represents an indispensable protein subgroup and the knowledge of this subgroup is essential for the development of new drugs to treat cancer.
Journal ArticleDOI
Force Dependent Barriers from Analytic Potentials within Elastic Environments
TL;DR: In this article , it is shown that solely elastic environments do not change this barrier in contrast to the predictions of constraint geometry simulate external force (COGEF) strategies, which is confirmed by explicit calculations of bond rupture in a polydimethylsiloxane model.
Journal ArticleDOI
Covalent Mechanochemistry and Contemporary Polymer Network Chemistry: A Marriage in the Making.
TL;DR: In this paper , the potential match between covalent polymer mechanochemistry and recent advances in polymer network chemistry, specifically, topologically controlled networks and the hierarchical material responses enabled by multi-network architectures and mechanically interlocked polymers is discussed.
References
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Journal ArticleDOI
Three concomitant C–C dissociation pathways during the mechanical activation of an N-heterocyclic carbene precursor
Robert Nixon,Guillaume De Bo +1 more
TL;DR: The mechanical dissociation of an N-heterocyclic carbene precursor has been shown to proceed with the rupture of a C–C bond through concomitant heterolytic, concerted and homolytic pathways.
Journal ArticleDOI
Accelerating a Mechanically Driven anti-Woodward–Hoffmann Ring Opening with a Polymer Lever Arm Effect
TL;DR: It is shown that a polymer "lever arm effect" can provide a mechanical advantage in accelerating the symmetry forbidden disrotatory ring opening of benzocyclobutene (BCB).
Journal ArticleDOI
A Polymer with Mechanochemically Active Hidden Length.
Yancong Tian,Xiaodong Cao,Xun Li,Huan Zhang,Cai-Li Sun,Yuanze Xu,Wengui Weng,Wenke Zhang,Roman Boulatov +8 more
TL;DR: The advantages of adding mechanochemical reactivity to hidden length itself are demonstrated, using a new mechanophore that integrates (Z)-2,3-diphenylcyclobutene-1,4-dicarboxylate, with hitherto unknown mechanochemistry, into macrocyclic cinnamate dimers.
Journal ArticleDOI
Comparison of the predictive performance of the Bell-Evans, Taylor-expansion and statistical-mechanics models of mechanochemistry.
TL;DR: Comparison with results obtained from quantum-chemical calculations of complete conformational ensembles coupled to a stretching force reveal that the simplest model yields qualitatively accurate results at minimal computational expense.
Journal ArticleDOI
Bicyclohexene-peri-naphthalenes: Scalable Synthesis, Diverse Functionalization, Efficient Polymerization, and Facile Mechanoactivation of Their Polymers.
TL;DR: Poly(BCH-Naph)s represent an attractive polymechanophore system to explore multifaceted mechanical response in solution and solid states, owing to the synthetic scalability, functional diversity, efficient polymerization, and facile mechanoactivation.