Coordination chemistry approaches to societal issues: environmental and health

Host-guest inclusion complexes formed between a symmetrical tetrasubstituted cucurbit[6]uril and glycine (2022)
Journal Article
Yuan, S. W., Shan, P. H., Yang, M. X., Yang, M. X., Ma, P. H., Prior, T. J., Redshaw, C., Wei, G., Tao, Z., & Xiao, X. (2022). Host-guest inclusion complexes formed between a symmetrical tetrasubstituted cucurbit[6]uril and glycine. CrystEngComm, https://doi.org/10.1039/d2ce01308h

Herein, we have investigated the host-guest inclusion complexes formed on interaction of the symmetric tetramethyl-substituted cucurbit[6]uril (TMeQ[6]) with glycine (Gly) under different conditions. The interactions have been studied both in solutio... Read More about Host-guest inclusion complexes formed between a symmetrical tetrasubstituted cucurbit[6]uril and glycine.

Cucurbit[6]uril-based carbon dots for recognizing l-tryptophan and capecitabine (2022)
Journal Article
Liu, M., Cen, R., Lu, J. H., Meng, T. H., Li, C. R., Redshaw, C., Prior, T. J., Tao, Z., & Xiao, X. (in press). Cucurbit[6]uril-based carbon dots for recognizing l-tryptophan and capecitabine. Materials Chemistry Frontiers, https://doi.org/10.1039/d2qm00589a

Fluorescent nitrogen and fluorine doped carbon dots (CDs) were prepared by a hydrothermal method using levofloxacin (LVFX) and cucurbit[6]uril (Q[6]) as the nitrogen and carbon sources, respectively. Decomposition of LVFX occurred at elevated tempera... Read More about Cucurbit[6]uril-based carbon dots for recognizing l-tryptophan and capecitabine.

New dual-mode orthogonal tunable fluorescence systems based on cucurbit[8]uril: White light, 3D printing, and anti-counterfeit applications (2022)
Journal Article
Zhang, T. T., Yang, X. N., Hu, J. H., Luo, Y., Liu, H. J., Tao, Z., Xiao, X., & Redshaw, C. (2023). New dual-mode orthogonal tunable fluorescence systems based on cucurbit[8]uril: White light, 3D printing, and anti-counterfeit applications. Chemical Engineering Journal, 452, Article 138960. https://doi.org/10.1016/j.cej.2022.138960

In this work, we have utilized a supramolecular approach to control emission, and generate white light and have applied the system to both 3D printing and counterfeiting applications. In particular, we report two new dual-mode orthogonal tunable fluo... Read More about New dual-mode orthogonal tunable fluorescence systems based on cucurbit[8]uril: White light, 3D printing, and anti-counterfeit applications.

Ring Opening Polymerization of Lactides and Lactones by Multimetallic Titanium Complexes Derived from the Acids Ph2C(X)CO2H (X = OH, NH2) (2022)
Journal Article
Zhang, X., Prior, T. J., Chen, K., Santoro, O., & Redshaw, C. (2022). Ring Opening Polymerization of Lactides and Lactones by Multimetallic Titanium Complexes Derived from the Acids Ph2C(X)CO2H (X = OH, NH2). Catalysts, 12(9), Article 935. https://doi.org/10.3390/catal12090935

The reactions of the titanium alkoxide [Ti(OR)4] (R = Me, nPr, iPr, tBu) with the acids 2,2’-Ph2C(X)(CO2H), where X = OH and NH2, i.e., benzilic acid (2,2’-diphenylglycolic acid, L1H2), and 2,2’-diphenylglycine (L2H3), have been investigated. The var... Read More about Ring Opening Polymerization of Lactides and Lactones by Multimetallic Titanium Complexes Derived from the Acids Ph2C(X)CO2H (X = OH, NH2).

Facile fluorescent detection of o-nitrophenol by a cucurbit[8]uril-based supramolecular assembly in aqueous media (2022)
Journal Article
He, J., Yu, X. Y., Yu, Z. C., Liu, M., Shan, P. H., Redshaw, C., Huang, Y., Tao, Z., & Xiao, X. (2022). Facile fluorescent detection of o-nitrophenol by a cucurbit[8]uril-based supramolecular assembly in aqueous media. Analytica Chimica Acta, 1226, Article 340262. https://doi.org/10.1016/j.aca.2022.340262

The efficient and selective detection of isomers is an attractive but challenging area. In this study, a supramolecular fluorescent probe based on cucurbit[8]uril (Q[8]) and a pyrene-based derivative (G) was prepared, which effectively recognized and... Read More about Facile fluorescent detection of o-nitrophenol by a cucurbit[8]uril-based supramolecular assembly in aqueous media.

Detection of the Fungicide Dodine by means of Host-Guest Complexation between Cucubit[10]uril and Acridine Orange (2022)
Journal Article
Wang, C., Zou, H., Cong, H., Huang, Y., Tao, Z., Redshaw, C., & Xiao, X. (2022). Detection of the Fungicide Dodine by means of Host-Guest Complexation between Cucubit[10]uril and Acridine Orange. ChemistrySelect, 7(28), Article e202201584. https://doi.org/10.1002/slct.202201584

The interaction between acridine orange (AO) and cucurbit[10]uril, Q[10] affords the ternary complex 2AO@Q[10]. Subsequent addition of dodine (DD) displaces AO from the Q[10] cavity, and results in a fluorescent output. The effect of 20 different pes... Read More about Detection of the Fungicide Dodine by means of Host-Guest Complexation between Cucubit[10]uril and Acridine Orange.

Naphthaldehyde-based Schiff base dyes: aggregation-induced emission and high-contrast reversible mechanochromic luminescence (2022)
Journal Article
Shen, L., Yu, C. J., Xie, H. F., Xu, N., Xu, H., Huang, Y. L., Redshaw, C., Feng, X., & Zhang, Q. L. (2022). Naphthaldehyde-based Schiff base dyes: aggregation-induced emission and high-contrast reversible mechanochromic luminescence. Materials Chemistry Frontiers, https://doi.org/10.1039/d2qm00542e

Mechanochromic luminescent materials have attracted intense attention because of their excellent reversible optical behaviour, but the mechanism of the stimuli responsive behaviour remains ambiguous. Herein, a novel naphthaldehyde-based Schiff base,... Read More about Naphthaldehyde-based Schiff base dyes: aggregation-induced emission and high-contrast reversible mechanochromic luminescence.

Cucurbit[6]uril-based supramolecular frameworks formed through outer surface interactions and application for iodine adsorption (2022)
Journal Article
Hu, J. H., Cen, R., Liu, M., Shan, P. H., Prior, T. J., Redshaw, C., Huang, Y., Tao, Z., & Xiao, X. (2022). Cucurbit[6]uril-based supramolecular frameworks formed through outer surface interactions and application for iodine adsorption. Inorganic Chemistry Communications, 142, Article 109663. https://doi.org/10.1016/j.inoche.2022.109663

The interaction between the outer surface of cucurbit[6]uril (Q[6]) and methyl triphenyl phosphorus iodide (MTPI) has been studied in the presence of [CdCl4]2-. The MTPI is connected to four neighboring Q[6]s through weak interactions such as C-H···π... Read More about Cucurbit[6]uril-based supramolecular frameworks formed through outer surface interactions and application for iodine adsorption.

Progress in host–guest macrocycle/pesticide research: Recognition, detection, release and application (2022)
Journal Article
Shan, P. H., Hu, J. H., Liu, M., Tao, Z., Xiao, X., & Redshaw, C. (2022). Progress in host–guest macrocycle/pesticide research: Recognition, detection, release and application. Coordination chemistry reviews, 467, Article 214580. https://doi.org/10.1016/j.ccr.2022.214580

Macrocyclic compounds are formed via a series of cyclic oligomers possessing repeating units, and classical examples include cyclodextrins, calix[n]arenes, cucurbit[n]urils and pillar[n]arenes (n represents the number of repeat units). Given their un... Read More about Progress in host–guest macrocycle/pesticide research: Recognition, detection, release and application.

A study of the inclusion complex formed between cucurcubit[7]uril and 1-[4-(dimethylamino)phenyl]-ethanone (2022)
Journal Article
Feng, X. H., Yu, Z. C., Zhang, W., Redshaw, C., Prior, T. J., Meng, T. H., Li, C. R., Tao, Z., & Xiao, X. (2022). A study of the inclusion complex formed between cucurcubit[7]uril and 1-[4-(dimethylamino)phenyl]-ethanone. Polyhedron, 222, Article 115938. https://doi.org/10.1016/j.poly.2022.115938

In the work, we have studied the interaction of cucurbit[7]uril (Q[7]) with 1-[4-(dimethylamino)phenyl]-ethanone (DAPE) using a variety of techiniques including 1H NMR spectroscopy, UV–vis adsorption and fluorescence spectroscopies, Isothermal titrat... Read More about A study of the inclusion complex formed between cucurcubit[7]uril and 1-[4-(dimethylamino)phenyl]-ethanone.