Coordination chemistry approaches to societal issues: environmental and health

Cucurbit[8]uril triggered fluorescence visualization of concentration-dependent interconversion of supramolecular polymer and dimer assemblies (2022)
Journal Article
Ren, J., Zhang, X., Redshaw, C., & Ni, X. L. (2022). Cucurbit[8]uril triggered fluorescence visualization of concentration-dependent interconversion of supramolecular polymer and dimer assemblies. Dyes and pigments : an international journal, 203, Article 110335. https://doi.org/10.1016/j.dyepig.2022.110335

Concentration-dependent dynamically equilibrating systems play a crucial role in biology, supramolecular assemblies, and materials science. Herein, host-guest interaction triggered fluorescence emissions have been exploited to monitor concentration-d... Read More about Cucurbit[8]uril triggered fluorescence visualization of concentration-dependent interconversion of supramolecular polymer and dimer assemblies.

Heterometallic cobalt(ii) calix[6 and 8]arenes: synthesis, structure and electrochemical activity (2022)
Journal Article
Ignaszak, A., Patterson, N., O'Brien, C., True, A., Elsegood, M. R., Prior, T. J., & Redshaw, C. (2022). Heterometallic cobalt(ii) calix[6 and 8]arenes: synthesis, structure and electrochemical activity. RSC advances, 12(19), 11672-11685. https://doi.org/10.1039/d2ra01009g

Heterometallic cobalt p-tert-butylcalix[6 and 8]arenes have been generated from the in situ reaction of lithium reagents (n-BuLi or t-BuOLi) or NaH with the parent calix[n]arene and subsequent reaction with CoBr2. The reverse route, involving the add... Read More about Heterometallic cobalt(ii) calix[6 and 8]arenes: synthesis, structure and electrochemical activity.

Erratum: A Twisted Cucurbit[14]Uril-Based Fluorescent Supramolecular Polymer Mediated by Metal Ion (Macromolecules (2022) 55: 5 (1642-1646) DOI: 10.1021/acs.macromol.2c00075) (2022)
Journal Article
Luo, Y., Zhang, W., Yang, M. X., Feng, X. H., Redshaw, C., Li, Q., Tao, Z., & Xiao, X. (2022). Erratum: A Twisted Cucurbit[14]Uril-Based Fluorescent Supramolecular Polymer Mediated by Metal Ion (Macromolecules (2022) 55: 5 (1642-1646) DOI: 10.1021/acs.macromol.2c00075). Macromolecules, 55(8), 3361-3362. https://doi.org/10.1021/acs.macromol.2c00556

In our original article, twisted cucubit[14]uril (tQ[14]) forms a fluorescent supramolecular polymer with the water-soluble fluorescent tetrapyridinium pyrene compound TPYP with a molar ratio of 2:1 (tQ[14]:TPYP) via host?guest interactions. The addi... Read More about Erratum: A Twisted Cucurbit[14]Uril-Based Fluorescent Supramolecular Polymer Mediated by Metal Ion (Macromolecules (2022) 55: 5 (1642-1646) DOI: 10.1021/acs.macromol.2c00075).

A New Cationic Fluorescent Probe for HSO3− Based on Bisulfite Induced Aggregation Self-Assembly (2022)
Journal Article
Zhang, X., Su, S. Y., Chen, X. T., Shen, L. Y., Zhang, Q. L., Ni, X. L., Xu, H., Wang, Z. Y., & Redshaw, C. (2022). A New Cationic Fluorescent Probe for HSO3− Based on Bisulfite Induced Aggregation Self-Assembly. Molecules, 27(8), Article 2378. https://doi.org/10.3390/molecules27082378

In comparison with the numerous studies that have centered on developing molecular frameworks for the functionalization of fluorescent materials, less research has addressed the influence of the side chains, despite such appendages contributing signi... Read More about A New Cationic Fluorescent Probe for HSO3− Based on Bisulfite Induced Aggregation Self-Assembly.

Iron complexes of [2+2] and [6+6] Schiff-base macrocycles derived from 2,2′-oxydianiline and their applications (2022)
Journal Article
Wang, K., Chen, K., Cai, J., & Redshaw, C. (2022). Iron complexes of [2+2] and [6+6] Schiff-base macrocycles derived from 2,2′-oxydianiline and their applications. Inorganic Chemistry Communications, 139, Article 109376. https://doi.org/10.1016/j.inoche.2022.109376

Reaction of [2+2] and [6+6] Schiff-base macrocycles with FeBr2 are reported, together with preliminary studies of the applications of the iron-containing products. In particular, we have investigated peroxidase-like activity and determination of H2O2... Read More about Iron complexes of [2+2] and [6+6] Schiff-base macrocycles derived from 2,2′-oxydianiline and their applications.

Twisted cucurbit[14]uril: a new type of CTE macrocycle for Fe sensing (2022)
Journal Article
Zhang, W., Luo, Y., Yang, M. X., Lin, W. H., Redshaw, C., Ni, X. L., Huang, Y., Tao, Z., & Xiao, X. (2022). Twisted cucurbit[14]uril: a new type of CTE macrocycle for Fe sensing. Microchemical journal, 178, Article 107364. https://doi.org/10.1016/j.microc.2022.107364

Clustering-triggered emission (CTE) luminophores have aroused great attention given they are unconventional luminescence compounds without significant conjugation. In this work, the luminescence phenomenon of twisted cucurbit[14]uril (tQ[14]) is repo... Read More about Twisted cucurbit[14]uril: a new type of CTE macrocycle for Fe sensing.

A cucurbit[6]uril-carbon dot system: a potentially new bioimaging agent. (2022)
Journal Article
Zhang, S., Tian, Y., Liu, M., Hong-Meng, T., Li, C. R., Zeng, X., Xiao, X., & Redshaw, C. (2022). A cucurbit[6]uril-carbon dot system: a potentially new bioimaging agent. Materials Chemistry Frontiers, 6, 973-980. https://doi.org/10.1039/d2qm00022a

We report novel cucurbit[6]uril (Q[6])/carbon quantum dots (CQDs) prepared by solvothermal and nitrogen doped methods. The m-Q[6]-CQDs have been characterized by FTIR, XRD and X-ray photoelectron spectroscopy. The obtained m-Q[6]-CQDs exhibit good wa... Read More about A cucurbit[6]uril-carbon dot system: a potentially new bioimaging agent..

A new cucurbit[10]uril-based AIE fluorescent supramolecular polymer for cellular imaging (2022)
Journal Article
Luo, Y., Gan, S., Zhang, W., Jia, M., Chen, L., Redshaw, C., Tao, Z., & Xiao, X. (2022). A new cucurbit[10]uril-based AIE fluorescent supramolecular polymer for cellular imaging. Materials Chemistry Frontiers, 6(8), 1021-1025. https://doi.org/10.1039/d2qm00084a

To further advance the development of cucurbit[10]uril-based supramolecular biomaterials, an AIE fluorescent supramolecular polymer (TPE-B@Q[10]) was constructed from the newly synthesized AIE molecule TPE-B and Q[10] via host-guest interactions in a... Read More about A new cucurbit[10]uril-based AIE fluorescent supramolecular polymer for cellular imaging.

Activating Surface Lattice Oxygen of a Cu/Zn1–xCuxO Catalyst through Interface Interactions for CO Oxidation (2022)
Journal Article
Zeng, M., Wang, X., Yang, Q., Chu, X., Chen, Z., Li, Z., Redshaw, C., Wang, C., Peng, Y., Wang, N., Zhu, Y., & Wu, Y. A. (2022). Activating Surface Lattice Oxygen of a Cu/Zn1–xCuxO Catalyst through Interface Interactions for CO Oxidation. ACS Applied Materials & Interfaces, https://doi.org/10.1021/acsami.1c24321

Surface lattice oxygen in metal oxides is a common participant in many chemical reactions. Given this, the structural design of catalysts to activate lattice oxygen and moreover investigations into the effect of lattice oxygen on reaction pathways ar... Read More about Activating Surface Lattice Oxygen of a Cu/Zn1–xCuxO Catalyst through Interface Interactions for CO Oxidation.

Steric influences on the photophysical properties of pyrene-based derivatives; mechanochromism and their pH-responsive ability (2022)
Journal Article
Zeng, J., Wang, X., Song, X., Liu, Y., Liao, B., Bai, J., Redshaw, C., Chen, Q., & Feng, X. (2022). Steric influences on the photophysical properties of pyrene-based derivatives; mechanochromism and their pH-responsive ability. Dyes and pigments : an international journal, 200, Article 110123. https://doi.org/10.1016/j.dyepig.2022.110123

Steric effects have attracted great attention in the fields of synthetic chemistry, spectroscopy, crystallography, as well as surface chemistry. Herein, two pyrene-based compounds with different cyclic ketones acting as a bridge are presented and the... Read More about Steric influences on the photophysical properties of pyrene-based derivatives; mechanochromism and their pH-responsive ability.