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Gendered farmer perceptions towards soil nutrition and willingness to pay for a cafetière-style filter system for in-situ soil testing: evidence from Central Kenya (2024)
Journal Article
Kamau, P., Ndirangu, I., Richardson, S., Pamme, N., & Gitaka, J. (2024). Gendered farmer perceptions towards soil nutrition and willingness to pay for a cafetière-style filter system for in-situ soil testing: evidence from Central Kenya. Heliyon, 10(18), Article e37568. https://doi.org/10.1016/j.heliyon.2024.e37568

Soil nutrition is a key pillar in agricultural productivity. However, point-of-need testing for soil nutrition is not readily available in resource-limited settings such as Kenya. We set out to study the perceived need for soil testing among farmers... Read More about Gendered farmer perceptions towards soil nutrition and willingness to pay for a cafetière-style filter system for in-situ soil testing: evidence from Central Kenya.

Substituent effects on the mechanochromic behaviour of pyrene-based AIEgens (2024)
Journal Article
Yang, G., Xue, Z. M., Liang, L., Meng, F., Liu, K. Y., Wang, J. H., Lin, H. T., Zhao, W. X., Chen, S. H., Yamato, T., Redshaw, C., & Wang, C. Z. (2025). Substituent effects on the mechanochromic behaviour of pyrene-based AIEgens. Journal of Photochemistry and Photobiology A: Chemistry, 459, 116020. https://doi.org/10.1016/j.jphotochem.2024.116020

It is extremely significant and desirable to integrate the fascinating properties of mechanochromism and aggregation-induced emission (AIE) in one simple molecule. Herein, pyrene-based aggregation-induced emission luminogens (AIEgens) with mechanoflu... Read More about Substituent effects on the mechanochromic behaviour of pyrene-based AIEgens.

3D printing of Pickering emulsions, Pickering foams and capillary suspensions – A review of stabilization, rheology and applications (2024)
Journal Article
Tyowua, A. T., Harbottle, D., & Binks, B. P. (2024). 3D printing of Pickering emulsions, Pickering foams and capillary suspensions – A review of stabilization, rheology and applications. Advances in Colloid and Interface Science, 332, Article 103274. https://doi.org/10.1016/j.cis.2024.103274

Pickering emulsions and foams as well as capillary suspensions are becoming increasingly more popular as inks for 3D printing. However, a lack of understanding of the bulk rheological properties needed for their application in 3D printing is potentia... Read More about 3D printing of Pickering emulsions, Pickering foams and capillary suspensions – A review of stabilization, rheology and applications.

Silver Nanoparticle-Immobilized Schiff-Base Macrocycles as Nanozymes with Peroxidase Mimic Activity for Antibacterial Films (2024)
Journal Article
Wang, K., Redshaw, C., Zhao, X., Wang, A., Chen, K., & Qiao, Y. (2024). Silver Nanoparticle-Immobilized Schiff-Base Macrocycles as Nanozymes with Peroxidase Mimic Activity for Antibacterial Films. ACS Applied Nano Materials, 7(14), 16274–16282. https://doi.org/10.1021/acsanm.4c02258

The development of nanozymes has emerged as a promising pathway for combating bacterial infections. In this work, Ag/Schiff base nanozymes are obtained through the in situ reduction method on [2 + 3] Schiff base macrocycles using eco-friendly reducta... Read More about Silver Nanoparticle-Immobilized Schiff-Base Macrocycles as Nanozymes with Peroxidase Mimic Activity for Antibacterial Films.

Novel triphenylamine-pyrene-based AIEgens: Specific detection and imaging of H2O2 in aqueous solution and cells (2024)
Journal Article
Zhou, X., Shen, L., Tan, X., Wang, X., Liang, X., Shan, X., Xu, H., Wang, Z. Y., Redshaw, C., & Zhang, Q. L. (2024). Novel triphenylamine-pyrene-based AIEgens: Specific detection and imaging of H2O2 in aqueous solution and cells. Journal of molecular structure, 1318(pt.1), Article 139262. https://doi.org/10.1016/j.molstruc.2024.139262

H2O2 plays a key regulatory role as a bioendogenous reactive oxygen species in cells and organisms. However, excessive production or accumulation of H2O2 during mitochondrial oxidative stress may lead to oxidative damage of cellular proteins and trig... Read More about Novel triphenylamine-pyrene-based AIEgens: Specific detection and imaging of H2O2 in aqueous solution and cells.

Supramolecular assemblies derived from methyl-substituted cucurbit[5]uril and lanthanide nitrates (2024)
Journal Article
Yuan, S. W., Dai, X., Lu, J. H., Ma, P. H., Dalgarno, S. J., Redshaw, C., Tao, Z., & Xiao, X. (2024). Supramolecular assemblies derived from methyl-substituted cucurbit[5]uril and lanthanide nitrates. Heliyon, 10(13), Article e32936. https://doi.org/10.1016/j.heliyon.2024.e32936

Interaction of the lanthanide nitrates M(NO3)3 (M = Gd, Eu) with methylcucurbit[5]uril (Me10Q[5]) in the presence of transition metal chlorides (ZnCl2 and FeCl3) in acidic media resulted in the isolation of the complexes [Me10Q[5]Gd(H2O)2Cl Gd(H2O)6]... Read More about Supramolecular assemblies derived from methyl-substituted cucurbit[5]uril and lanthanide nitrates.

Aggregation-Induced Emission Photosensitizer with Ag(I)−π Interaction-Enhanced Reactive Oxygen Species for Eliminating Multidrug Resistant Bacteria (2024)
Journal Article
Peng, S., Song, J., Wu, S., Wang, Q., Shen, L., Li, D., Peng, J., Zhang, Q., Yang, X., Xu, H., Redshaw, C., & Li, Y. (2024). Aggregation-Induced Emission Photosensitizer with Ag(I)−π Interaction-Enhanced Reactive Oxygen Species for Eliminating Multidrug Resistant Bacteria. ACS Applied Materials & Interfaces, 16(24), 30915-30928. https://doi.org/10.1021/acsami.4c05202

Multidrug-resistant (MDR) bacteria pose serious threats to public health due to the lack of effective and biocompatible drugs to kill MDR bacteria. Photodynamic antibacterial therapy has been widely studied due to its low induction of resistance. How... Read More about Aggregation-Induced Emission Photosensitizer with Ag(I)−π Interaction-Enhanced Reactive Oxygen Species for Eliminating Multidrug Resistant Bacteria.

Cucurbit[7]Uril-Based Self-Assembled Supramolecular Complex with Reversible Multistimuli-Responsive Chromic Behavior and Controllable Fluorescence (2024)
Journal Article
Wang, X. F., Lin, R. L., Sun, W. Q., Liu, J. X., Xu, L. X., Redshaw, C., & Feng, X. (in press). Cucurbit[7]Uril-Based Self-Assembled Supramolecular Complex with Reversible Multistimuli-Responsive Chromic Behavior and Controllable Fluorescence. Advanced Optical Materials, Article 2400839. https://doi.org/10.1002/adom.202400839

Multistimuli-responsive color-changing materials have potential applications in areas such as chemical sensing and anti-counterfeiting. In this work, a fluoro-phenyl-acetyl-substituted viologen derivative (FPAV·Cl2) is synthesized, which can form a s... Read More about Cucurbit[7]Uril-Based Self-Assembled Supramolecular Complex with Reversible Multistimuli-Responsive Chromic Behavior and Controllable Fluorescence.

Bis-butoxyphenyl dipyridine cation with high affinity for PF6−: Enhancement of solid fluorescence and inhibits Escherichia coli and Staphylococcus aureus activity through anion-π+ interactions (2024)
Journal Article
Chen, L., Zhou, X., Shen, L., Peng, S., Yuan, J. L., Xu, H., Wang, Z. Y., Redshaw, C., & Zhang, Q. L. (2024). Bis-butoxyphenyl dipyridine cation with high affinity for PF6−: Enhancement of solid fluorescence and inhibits Escherichia coli and Staphylococcus aureus activity through anion-π+ interactions. Journal of molecular structure, 1315, Article 138783. https://doi.org/10.1016/j.molstruc.2024.138783

The contamination of anions and the overuse of antibiotics pose significant hazards to human health. Excess anions can cause serious damage to organisms and the natural environment, while the misuse of antibiotics has led to the emergence of multi-dr... Read More about Bis-butoxyphenyl dipyridine cation with high affinity for PF6−: Enhancement of solid fluorescence and inhibits Escherichia coli and Staphylococcus aureus activity through anion-π+ interactions.

Layered rare-earth hydroxides as multi-modal medical imaging probes: particle size optimisation and compositional exploration (2024)
Journal Article
Strimaite, M., Wells, C. J., Prior, T. J., Stuckey, D. J., Wells, J. A., Davies, G. L., & Williams, G. R. (2024). Layered rare-earth hydroxides as multi-modal medical imaging probes: particle size optimisation and compositional exploration. Dalton Transactions : an international journal of inorganic chemistry, 53(19), 8429-8442. https://doi.org/10.1039/d4dt00371c

Recently, layered rare-earth hydroxides (LRHs) have received growing attention in the field of theranostics. We have previously reported the hydrothermal synthesis of layered terbium hydroxide (LTbH), which exhibited high biocompatibility, reversible... Read More about Layered rare-earth hydroxides as multi-modal medical imaging probes: particle size optimisation and compositional exploration.

In Situ Photogenerated Radicals of Hydroxyl Substituted Pyrene-Based Triphenylamines with Enhanced Transport and Free Doping/Post-Oxidation for Efficient Perovskite Solar Cells (2024)
Journal Article
Wang, X., Xie, Z., Wang, R., Xiao, Y., Yan, K., Zhao, Y., Lin, R., Redshaw, C., Min, Y., Ouyang, X., & Feng, X. (in press). In Situ Photogenerated Radicals of Hydroxyl Substituted Pyrene-Based Triphenylamines with Enhanced Transport and Free Doping/Post-Oxidation for Efficient Perovskite Solar Cells. Small, https://doi.org/10.1002/smll.202311914

The high-performance hole transporting material (HTM) is one of the most important components for the perovskite solar cells (PSCs) in promoting power conversion efficiency (PCE). However, the low conductivity of HTMs and their additional requirement... Read More about In Situ Photogenerated Radicals of Hydroxyl Substituted Pyrene-Based Triphenylamines with Enhanced Transport and Free Doping/Post-Oxidation for Efficient Perovskite Solar Cells.

Molecular Engineering toward Broad Color-Tunable Emission of Pyrene-Based Aggregation-Induced Emission Luminogens (2024)
Journal Article
Liu, W., Li, S., Xie, Z., Huang, K., Yan, K., Zhao, Y., Redshaw, C., Feng, X., & Tang, B. Z. (in press). Molecular Engineering toward Broad Color-Tunable Emission of Pyrene-Based Aggregation-Induced Emission Luminogens. Advanced Optical Materials, https://doi.org/10.1002/adom.202400301

A molecular design strategy for the precise regulation of full-color-tunable emission organic luminescence materials is not yet systematically established for pyrene chemistry. To fabricate color-tunable and highly-efficiency pyrene-based emitters, t... Read More about Molecular Engineering toward Broad Color-Tunable Emission of Pyrene-Based Aggregation-Induced Emission Luminogens.

Position-dependent hexaarylbenzene AIEgens: synthesis, characterization and optical properties (2024)
Journal Article
Zhao, W. X., Yang, L. F., Yu, D., Chen, F. Y., Liang, L., Cao, J. Y., Yang, G., Chen, S. H., Yamato, T., Redshaw, C., & Wang, C. Z. (in press). Position-dependent hexaarylbenzene AIEgens: synthesis, characterization and optical properties. New journal of chemistry = Nouveau journal de chimie, https://doi.org/10.1039/d3nj05914f

With the development and exploration of photoelectric materials, the design of tunable and high luminescence efficiency materials remains a challenge. As a promising candidate, aggregation-induced emission (AIE) luminogens have shown significant adva... Read More about Position-dependent hexaarylbenzene AIEgens: synthesis, characterization and optical properties.

Regulable high-contrast mechanofluorochromic enhancement behaviour based on substituent effects (2024)
Journal Article
Yang, G., Zhao, W. X., Cao, J. Y., Xue, Z. M., Lin, H. T., Chen, S. H., Yamato, T., Redshaw, C., & Wang, C. Z. (in press). Regulable high-contrast mechanofluorochromic enhancement behaviour based on substituent effects. Chemical communications : Chem comm / the Royal Society of Chemistry, https://doi.org/10.1039/d4cc00476k

Herein, a facile strategy was established to build mechanoresponsive luminogens with high sensitivity to substituents and positional effects. Even in slightly different structures, distinct optical phenomena, including fluorescence efficiency and mec... Read More about Regulable high-contrast mechanofluorochromic enhancement behaviour based on substituent effects.

Double-cavity cucurbiturils: synthesis, structures, properties, and applications (2024)
Journal Article
Li, Q., Yu, Z., Redshaw, C., Xiao, X., & Tao, Z. (2024). Double-cavity cucurbiturils: synthesis, structures, properties, and applications. Chemical Society Reviews, https://doi.org/10.1039/d3cs00961k

Double-cavity Q[n]s are relatively new members of the Q[n] family and have garnered significant interest due to their distinctive structures and novel properties. While they incorporate n glycoluril units, akin to their single-cavity counterparts, th... Read More about Double-cavity cucurbiturils: synthesis, structures, properties, and applications.

Pyrene-Based Deep-Blue Fluorophores with Narrow-Band Emission (2024)
Journal Article
Liu, Y., Zhang, J., Wang, X., Xie, Z., Zheng, H., Zhang, S., Cai, X., Zhao, Y., Redshaw, C., Min, Y., & Feng, X. (2024). Pyrene-Based Deep-Blue Fluorophores with Narrow-Band Emission. Journal of Organic Chemistry, 89(5), 3319–3330. https://doi.org/10.1021/acs.joc.3c02775

High-efficiency narrow-band luminescent materials have attracted intense interest, resulting in their great colorimetric purity. This has led to a variety of high-tech applications in high-definition displays, spectral analysis, and biomedicine. In t... Read More about Pyrene-Based Deep-Blue Fluorophores with Narrow-Band Emission.

Influence of Steric Effects on the Emission Behavior of Pyrene-Based Blue Luminogens (2024)
Journal Article
Xie, Z., Liu, W., Liu, Y., Song, X., Zheng, H., Su, X., Redshaw, C., & Feng, X. (2024). Influence of Steric Effects on the Emission Behavior of Pyrene-Based Blue Luminogens. Journal of Organic Chemistry, 89(3), 1681-1691. https://doi.org/10.1021/acs.joc.3c02372

Pyrene-based derivatives have been widely deployed in organic luminescent materials because of their bright fluorescence, high charge carrier mobility, and facile modification. Nevertheless, the fluorescence output of conventional pyrenes is prone to... Read More about Influence of Steric Effects on the Emission Behavior of Pyrene-Based Blue Luminogens.

Detection of basic amino acids under highly alkaline conditions using a perylene amine-derived probe (2024)
Journal Article
Zhang, T. T., Lu, Y., Lu, J. H., Zhao, A. T., Redshaw, C., & Xiao, X. (2024). Detection of basic amino acids under highly alkaline conditions using a perylene amine-derived probe. Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 309, Article 123835. https://doi.org/10.1016/j.saa.2024.123835

pH plays a crucial part in numerous chemical and physiological processes. In this work, a new perylene diimide derivative that acts as a pH-sensitive dye with Bay Area Carboxylic Acid functionality. The derivative utilizes the outstanding thermal, ch... Read More about Detection of basic amino acids under highly alkaline conditions using a perylene amine-derived probe.

Double Cross-Linked Hydrogel Dressings Based on Triblock Copolymers Bearing Antifreezing, Antidrying, and Inherent Antibacterial Properties (2023)
Journal Article
Wang, Q., Liang, X., Shen, L., Xu, H., Wang, Z., Redshaw, C., & Zhang, Q. (2024). Double Cross-Linked Hydrogel Dressings Based on Triblock Copolymers Bearing Antifreezing, Antidrying, and Inherent Antibacterial Properties. Biomacromolecules, 25(1), 388-399. https://doi.org/10.1021/acs.biomac.3c01040

Bacterial infections typically invade the living tissue of wounds, thereby aggravating the inflammatory response, delaying wound healing, or causing further complications. In this paper, the antibacterial hydrogel (PNVBA) with antifreezing and antidr... Read More about Double Cross-Linked Hydrogel Dressings Based on Triblock Copolymers Bearing Antifreezing, Antidrying, and Inherent Antibacterial Properties.

New pyrrolo[3,2-b]pyrroles with AIE characteristics for detection of dichloromethane and chloroform (2023)
Journal Article
Yu, S., Li, S., Xie, Z., Liu, W., Islam, M. M., Redshaw, C., Cao, M. J., Chen, Q., & Feng, X. (in press). New pyrrolo[3,2-b]pyrroles with AIE characteristics for detection of dichloromethane and chloroform. Luminescence, https://doi.org/10.1002/bio.4640

Three new pyrrolo[3,2-b]pyrrole derivatives containing methoxyphenyl, pyrene or tetraphenylethylene (TPE) units (compounds 1–3) have been designed, synthesized and fully characterized. The aggregation-induced emission (AIE) properties of compounds 1–... Read More about New pyrrolo[3,2-b]pyrroles with AIE characteristics for detection of dichloromethane and chloroform.