Coordination chemistry approaches to societal issues: environmental and health

Pd-Immobilized Schiff Base Double-Layer Macrocycle: Synthesis, Structures, Peroxidase Mimic Activity, and Antibacterial Performance (2021)
Journal Article
Wang, K., Chen, K., Prior, T. J., Feng, X., & Redshaw, C. (2022). Pd-Immobilized Schiff Base Double-Layer Macrocycle: Synthesis, Structures, Peroxidase Mimic Activity, and Antibacterial Performance. ACS Applied Materials & Interfaces, 14(1), 1423–1433. https://doi.org/10.1021/acsami.1c19795

Di-, tri-, and tetra-aldehydes have been employed to access new [2 + 2] [2 + 3] and [2 + 4] double-layer Schiff base macrocycles. The [2 + 3] compound has been used for the immobilization of Pd and the resulting composite has been employed as a perox... Read More about Pd-Immobilized Schiff Base Double-Layer Macrocycle: Synthesis, Structures, Peroxidase Mimic Activity, and Antibacterial Performance.

Construction of a Supramolecular Fluorescence Sensor from Water-soluble Pillar[5]arene and 1-Naphthol for Recognition of Metal Ions (2021)
Journal Article
Zhu, X. Y., Yang, X. N., Luo, Y., Redshaw, C., Liu, M., Tao, Z., & Xiao, X. (2021). Construction of a Supramolecular Fluorescence Sensor from Water-soluble Pillar[5]arene and 1-Naphthol for Recognition of Metal Ions. ChemistrySelect, 6(46), 13265-13269. https://doi.org/10.1002/slct.202103744

A new fluorescent chemosensor comprised of a pyridine functionalized pillar[5]arene (PyP5) and 1-naphthol has been designed and utilized for the recognition of metal cations. The 1-naphthol was encapsulated by the PyP5 cavity and formed a 1 : 1 host... Read More about Construction of a Supramolecular Fluorescence Sensor from Water-soluble Pillar[5]arene and 1-Naphthol for Recognition of Metal Ions.

Study on the Preparation Technology of Omeprazole Vesicles (2021)
Journal Article
Deng, W., Wang, Z., Zhang, Y., Chen, Q., Xiao, X., & Redshaw, C. (2021). Study on the Preparation Technology of Omeprazole Vesicles. Russian Journal of General Chemistry, 91(11), 2311-2319. https://doi.org/10.1134/S1070363221110190

Herein a study on the process of converting omeprazole into omeprazole vesicles by a film dispersion method is presented. Using encapsulation efficiency as an index, the formulation and technology of omeprazole vesicles are optimized by a single fact... Read More about Study on the Preparation Technology of Omeprazole Vesicles.

Structural and magnetic characterization of tetranuclear [Ni(II)<inf>2</inf>Ln(III)<inf>2</inf>] complexes bearing tetra-branched Schiff base ligands (2021)
Journal Article
Shen, L., Hu, P., Yang, X. J., Xu, H., Huang, Y. L., Redshaw, C., & Zhang, Q. L. (2022). Structural and magnetic characterization of tetranuclear [Ni(II)2Ln(III)2] complexes bearing tetra-branched Schiff base ligands. Polyhedron, 212, Article 115584. https://doi.org/10.1016/j.poly.2021.115584

A series of tetranuclear [Ni(II)2Ln(III)2] complexes of general formula [Ni2Ln2(L)(H2O)9(OH)4Cl]∙3H2O∙Cl (1, 2, 5) (Ln = Dy (1), Tb (2), Ho (5)) and [Ni2Ln2(L)(H2O)12Cl] ∙3H2O∙5Cl (3, 4, 6, 7) (Ln = Gd (3), Sm (4), Nd (6), Pr (7)); H4L = N,N’,N’’,N’’... Read More about Structural and magnetic characterization of tetranuclear [Ni(II)<inf>2</inf>Ln(III)<inf>2</inf>] complexes bearing tetra-branched Schiff base ligands.

Color tuning and white light emission based on tetraphenylethylene-functionalized cucurbit[7]uril and FRET triggered by host-guest self-assembly (2021)
Journal Article
Yang, J. F., Tao, Z., Redshaw, C., Zeng, X., & Luo, H. (2021). Color tuning and white light emission based on tetraphenylethylene-functionalized cucurbit[7]uril and FRET triggered by host-guest self-assembly. Tetrahedron, 101, Article 132509. https://doi.org/10.1016/j.tet.2021.132509

This work utilizes the advantages produced when combining aggregation-induced emission in aqueous medium with macrocyclic amphiphiles that can noncovalently incorporate donor/acceptor pairs. A novel FRET system was assembled by using tetraphenylethyl... Read More about Color tuning and white light emission based on tetraphenylethylene-functionalized cucurbit[7]uril and FRET triggered by host-guest self-assembly.

Stimuli-Responsive Materials from Ferrocene-Based Organic Small Molecule for Wearable Sensors (2021)
Journal Article
Li, L., Zhang, J., Yang, C., Huang, L., Zhang, J., Bai, J., Redshaw, C., Feng, X., Cao, C., Huo, N., Li, J., & Tang, B. Z. (2021). Stimuli-Responsive Materials from Ferrocene-Based Organic Small Molecule for Wearable Sensors. Small, Article 2103125. https://doi.org/10.1002/smll.202103125

Stimuli-responsive crystals capable of energy conversion have emerged as promising materials for smart sensors, actuators, wearable devices, and robotics. Here, a novel ferrocene-based organic molecule crystal (Fc-Cz) that possesses anisotropic piezo... Read More about Stimuli-Responsive Materials from Ferrocene-Based Organic Small Molecule for Wearable Sensors.

Main-group metal complexes of α-diimine ligands: structure, bonding and reactivity (2021)
Journal Article
Zhang, R., Wang, Y., Zhao, Y., Redshaw, C., Fedushkin, I. L., Wu, B., & Yang, X. J. (2021). Main-group metal complexes of α-diimine ligands: structure, bonding and reactivity. Dalton Transactions : an international journal of inorganic chemistry, 50(39), 13634-13650. https://doi.org/10.1039/d1dt02120f

α-Diimine ligands, in particular 1,4-diazabutadiene (dad) and bis(iminoacenaphthene) (bian) derivatives, have been widely used for coordination with various metals, including main-group, transition, and lanthanide and actinide metals. In addition to... Read More about Main-group metal complexes of α-diimine ligands: structure, bonding and reactivity.

Pyrene-based aggregation-induced emission luminogens (AIEgens) with less colour migration for anti-counterfeiting applications (2021)
Journal Article
Wang, X., Wang, L., Mao, X., Wang, Q., Mu, Z., An, L., Zhang, W., Feng, X., Redshaw, C., Cao, C., Qin, A., & Tang, B. Z. (2021). Pyrene-based aggregation-induced emission luminogens (AIEgens) with less colour migration for anti-counterfeiting applications. Journal of Materials Chemistry C, 9(37), 12828-12838. https://doi.org/10.1039/d1tc03022a

Traditional luminescent materials are subject to aggregation-caused quenching, which limits their use for high-technological applications in the solid state. In an attempt to address such issues when using luminescent materials in fluorescent inks, b... Read More about Pyrene-based aggregation-induced emission luminogens (AIEgens) with less colour migration for anti-counterfeiting applications.

Allosteric binding properties of a 1,3-alternate thiacalix[4]arene-based receptor having phenylthiourea and 2-pyridylmethyl moieties on opposite faces (2021)
Journal Article
Rahman, S., Tomiyasu, H., Wang, C. Z., Georghiou, P. E., Alodhayb, A., Carpenter-Warren, C. L., Elsegood, M. R. J., Teat, S., Redshaw, C., & Yamato, T. (2021). Allosteric binding properties of a 1,3-alternate thiacalix[4]arene-based receptor having phenylthiourea and 2-pyridylmethyl moieties on opposite faces. New journal of chemistry = Nouveau journal de chimie, 45(41), 19235-19243. https://doi.org/10.1039/d1nj02991f

The synthesis of three new heteroditopic receptors (5a-c) which are based on thiacalix[4]arenes in the 1,3-alternate conformation is reported herein. These new receptors each have two thiourea moieties linking phenyl groups, two of which are substitu... Read More about Allosteric binding properties of a 1,3-alternate thiacalix[4]arene-based receptor having phenylthiourea and 2-pyridylmethyl moieties on opposite faces.

Red/Green Tunable-Emission Carbon Nanodots for Smart Visual Precision pH Sensing (2021)
Journal Article
Zhao, J. L., Luo, Q. Y., Ruan, Q., Chen, K., Liu, C., Redshaw, C., & Jin, Z. (in press). Red/Green Tunable-Emission Carbon Nanodots for Smart Visual Precision pH Sensing. Chemistry of materials : a publication of the American Chemical Society, https://doi.org/10.1021/acs.chemmater.1c01620

The development of novel carbon nanodots (CDs) with excellent optical properties and promising applications is an attractive but a challenging area. Herein, we demonstrate that the fluorescence properties of CDs can be optimized by simple modificatio... Read More about Red/Green Tunable-Emission Carbon Nanodots for Smart Visual Precision pH Sensing.