All Outputs (28)

Unique Coexistence of Two Resistive Switching Modes in a Memristor Device Enables Multifunctional Neuromorphic Computing Properties (2024)
Journal Article
Jaafar, A. H., Al Habsi, S. K. S., Braben, T., Venables, C., Francesconi, M. G., Stasiuk, G. J., & Kemp, N. T. (2024). Unique Coexistence of Two Resistive Switching Modes in a Memristor Device Enables Multifunctional Neuromorphic Computing Properties. ACS Applied Materials & Interfaces, 16(33), 43816–43826. https://doi.org/10.1021/acsami.4c07820

We report on hybrid memristor devices consisting of germanium dioxide nanoparticles (GeO2 NP) embedded within a poly(methyl methacrylate) (PMMA) thin film. Besides exhibiting forming-free resistive switching and an uncommon “ON” state in pristine con... Read More about Unique Coexistence of Two Resistive Switching Modes in a Memristor Device Enables Multifunctional Neuromorphic Computing Properties.

Quantum Dot Imaging Agents: Haematopoietic Cell Interactions and Biocompatibility (2024)
Journal Article
Naylor-Adamson, L., Price, T. W., Booth, Z., Stasiuk, G. J., & Calaminus, S. D. (2024). Quantum Dot Imaging Agents: Haematopoietic Cell Interactions and Biocompatibility. Cells, 13(4), Article 354. https://doi.org/10.3390/cells13040354

Quantum dots (QDs) are semi-conducting nanoparticles that have been developed for a range of biological and non-biological functions. They can be tuned to multiple different emission wavelengths and can have significant benefits over other fluorescen... Read More about Quantum Dot Imaging Agents: Haematopoietic Cell Interactions and Biocompatibility.

Is the PEGylation of indium phosphide/zinc sulphide quantum dots the first step in creating a platelet biocompatible multimodal imaging agent? (2024)
Thesis
Booth, Z. Is the PEGylation of indium phosphide/zinc sulphide quantum dots the first step in creating a platelet biocompatible multimodal imaging agent?. (Thesis). Hull York Medical School. https://hull-repository.worktribe.com/output/4790560

Background:
Indium phosphide/zinc sulphide (InP/ZnS) quantum dots (QDs) are semiconductive nanoparticles that have received growing focus due to the perception that they are safer than heavy metal based QDs. InP/ZnS QDs possess a highly fluorescent... Read More about Is the PEGylation of indium phosphide/zinc sulphide quantum dots the first step in creating a platelet biocompatible multimodal imaging agent?.

Insights into the Effect of Magnetic Confinement on the Performance of Magnetic Nanocomposites in Magnetic Hyperthermia and Magnetic Resonance Imaging (2022)
Journal Article
Scialla, S., Genicio, N., Brito, B., Florek-Wojciechowska, M., Stasiuk, G. J., Kruk, D., …Gallo, J. (2022). Insights into the Effect of Magnetic Confinement on the Performance of Magnetic Nanocomposites in Magnetic Hyperthermia and Magnetic Resonance Imaging. ACS Applied Nano Materials, 5(11), 16462–16474. https://doi.org/10.1021/acsanm.2c03537

The combination of superparamagnetic iron oxide nanoparticles (SPIONs) and lipid matrices enables the integration of imaging, drug delivery, and therapy functionalities into smart theranostic nanocomposites. SPION confinement creates new interactions... Read More about Insights into the Effect of Magnetic Confinement on the Performance of Magnetic Nanocomposites in Magnetic Hyperthermia and Magnetic Resonance Imaging.

Practical considerations of dissolved oxygen levels for platelet function under hypoxia (2021)
Journal Article
Kusanto, B., Gordon, A., Naylor-Adamson, L., Atkinson, L., Coupland, C., Booth, Z., …Arman, M. (2021). Practical considerations of dissolved oxygen levels for platelet function under hypoxia. International Journal of Molecular Sciences, 22(24), Article 13223. https://doi.org/10.3390/ijms222413223

Investigating human platelet function in low-oxygen environments is important in multiple settings, including hypobaric hypoxia (e.g., high altitude), sea level hypoxia-related disease, and thrombus stability. These studies often involve drawing bloo... Read More about Practical considerations of dissolved oxygen levels for platelet function under hypoxia.

Synthesis, characterisation and ROP catalytic evaluation of Cu(II) complexes bearing 2,2ʹ-diphenylglycine-derived moieties (2020)
Journal Article
Alshamrani, A. F. A., Santoro, O., Ounsworth, S., Prior, T. J., Stasiuk, G. J., & Redshaw, C. (2021). Synthesis, characterisation and ROP catalytic evaluation of Cu(II) complexes bearing 2,2ʹ-diphenylglycine-derived moieties. Polyhedron, 195, Article 114977. https://doi.org/10.1016/j.poly.2020.114977

The treatment of CuX2 (X = Cl, Br) with an equimolar amount of 2-2ʹ-diphenylglycine (DpgH) in EtOH at reflux afforded, after work up, the complexes [CuCl(Dpg)(EtOH)]2 (1) and [(CuBr2)2(Dpg)2Cu(EtOH)4] (2), respectively. The compounds were obtained mi... Read More about Synthesis, characterisation and ROP catalytic evaluation of Cu(II) complexes bearing 2,2ʹ-diphenylglycine-derived moieties.

Synthesis of a porphyrin with histidine-like chelate: an efficient path towards molecular PDT/SPECT theranostics (2020)
Journal Article
Yap, S. Y., Savoie, H., Renard, I., Burke, B. P., Sample, H. C., Michue-Seijas, S., Archibald, S. J., Boyle, R. W., & Stasiuk, G. J. (2020). Synthesis of a porphyrin with histidine-like chelate: an efficient path towards molecular PDT/SPECT theranostics. Chemical communications : Chem comm / the Royal Society of Chemistry, 56(75), 11090-11093. https://doi.org/10.1039/d0cc03958f

© The Royal Society of Chemistry 2020. The goal of “personalised” medicine has seen a growing interest in the development of theranostic agents. Bifunctional, and targeted-trifunctional, theranostic water-soluble porphyrins with a histidine-like chel... Read More about Synthesis of a porphyrin with histidine-like chelate: an efficient path towards molecular PDT/SPECT theranostics.

Evaluation of a bispidine‐based chelator for gallium‐68 and of the porphyrin conjugate as PET/PDT theranostic agent (2020)
Journal Article
Price, T., Yap, S. Y., Gillet, R., Savoie, H., Charbonnière, L. J., Boyle, R. W., Nonat, A. M., & Stasiuk, G. J. (2020). Evaluation of a bispidine‐based chelator for gallium‐68 and of the porphyrin conjugate as PET/PDT theranostic agent. Chemistry: a European journal, 26(34), 7602-7608. https://doi.org/10.1002/chem.201905776

In this study a bispidine ligand has been applied to the complexation of gallium(III) and radiolabelled with gallium-68 for the first time. Despite its 5-coordinate nature, the resulting complex is stable in serum for over two hours, demonstrating a... Read More about Evaluation of a bispidine‐based chelator for gallium‐68 and of the porphyrin conjugate as PET/PDT theranostic agent.

Water-Soluble Rhenium Phosphine Complexes Incorporating the Ph2C(X) Motif (X = O–, NH–): Structural and Cytotoxicity Studies (2020)
Journal Article
Alshamrani, A. F., Prior, T. J., Burke, B. P., Roberts, D. P., Archibald, S. J., Higham, L. J., Stasiuk, G., & Redshaw, C. (2020). Water-Soluble Rhenium Phosphine Complexes Incorporating the Ph2C(X) Motif (X = O–, NH–): Structural and Cytotoxicity Studies. Inorganic chemistry, 59(4), 2367-2378. https://doi.org/10.1021/acs.inorgchem.9b03239

Reaction of [ReOCl3(PPh3)2] or [ReO2I(PPh3)2] with 2,2′-diphenylglycine (dpgH2) in refluxing ethanol afforded the air-stable complex [ReO(dpgH)(dpg)(PPh3)] (1). Treatment of [ReO(OEt)I2(PPh3)2] with 1,2,3-triaza-7-phosphaadamantane (PTA) afforded the... Read More about Water-Soluble Rhenium Phosphine Complexes Incorporating the Ph2C(X) Motif (X = O–, NH–): Structural and Cytotoxicity Studies.

Combined magnetic resonance imaging and photodynamic therapy using polyfunctionalised nanoparticles bearing robust gadolinium surface units (2020)
Journal Article
Chabloz, N., Perry, H., Yoon, I.-C., Coulson, A., White, A., Stasiuk, G., Botnar, R., & Wilton-Ely, J. (in press). Combined magnetic resonance imaging and photodynamic therapy using polyfunctionalised nanoparticles bearing robust gadolinium surface units. Chemistry: a European journal, https://doi.org/10.1002/chem.201904757

A robust dithiocarbamate tether allows novel gadolinium units based on DOTAGA (q = 1) to be attached to the surface of gold nanoparticles (2.6 ‐ 4.1 nm diameter) along with functional units offering biocompatibility, targeting and photodynamic therap... Read More about Combined magnetic resonance imaging and photodynamic therapy using polyfunctionalised nanoparticles bearing robust gadolinium surface units.

Long-term ambient air-stable cubic CsPbBr3 perovskite quantum dots using molecular bromine (2019)
Journal Article
Thapa, S., Bhardwaj, K., Basel, S., Pradhan, S., Eling, C. J., Adawi, A. M., Bouillard, J. S. G., Stasiuk, G. J., Reiss, P., Pariyar, A., & Tamang, S. (2019). Long-term ambient air-stable cubic CsPbBr3 perovskite quantum dots using molecular bromine. Nanoscale advances, 1(9), 3388-3391. https://doi.org/10.1039/c9na00486f

We report unprecedented phase stability of cubic CsPbBr3 quantum dots in ambient air obtained by using Br2 as halide precursor. Mechanistic investigation reveals the decisive role of temperature-controlled in situ generated, oleylammonium halide spec... Read More about Long-term ambient air-stable cubic CsPbBr3 perovskite quantum dots using molecular bromine.

Synthesis and Validation of Novel Chelates for Gallium-68 PET Imaging (2019)
Thesis
Price, T. Synthesis and Validation of Novel Chelates for Gallium-68 PET Imaging. (Thesis). University of Hull. https://hull-repository.worktribe.com/output/4743579

Background:
The use of gallium-68 (68Ga) in positron emission tomography (PET) imaging is currently of great interest. This radionuclide can be produced from a small generator allowing easy access to this imaging tool. Recently, [68Ga][Ga(DOTATATE)]... Read More about Synthesis and Validation of Novel Chelates for Gallium-68 PET Imaging.

Polyfunctionalised nanoparticles bearing robust gadolinium surface units for high relaxivity performance in MRI (2019)
Journal Article
Nicolas, C., Wenzel, M., Perry, H., Yoon, I.-C., Molisso, S., Stasiuk, G., Elson, D., Cass, A., & Wilton-Ely, J. (in press). Polyfunctionalised nanoparticles bearing robust gadolinium surface units for high relaxivity performance in MRI. Chemistry: a European journal, https://doi.org/10.1002/chem.201901820

The first example of an octadentate gadolinium unit based on DO3A (hydration number q = 1) with a dithiocarbamate tether has been designed and attached to the surface of gold nanoparticles (around 4.4 nm in diameter). In addition to the superior robu... Read More about Polyfunctionalised nanoparticles bearing robust gadolinium surface units for high relaxivity performance in MRI.

Synthesis of super bright indium phosphide colloidal quantum dots through thermal diffusion (2019)
Journal Article
Clarke, M. T., Viscomi, F. N., Chamberlain, T. W., Hondow, N., Adawi, A. M., Sturge, J., Erwin, S. C., Bouillard, J. S. G., Tamang, S., & Stasiuk, G. J. (2019). Synthesis of super bright indium phosphide colloidal quantum dots through thermal diffusion. Communications Chemistry, 2(1), Article 36. https://doi.org/10.1038/s42004-019-0138-z

© 2019, The Author(s). Indium phosphide based quantum dots have emerged in recent years as alternatives to traditional heavy metal (cadmium, lead) based materials suitable for biomedical application due to their non-toxic nature. The major barrier to... Read More about Synthesis of super bright indium phosphide colloidal quantum dots through thermal diffusion.

Selective radiolabelling with 68Ga under mild conditions: a route towards a porphyrin PET/PDT theranostic agent (2018)
Journal Article
Yap, S. Y., Price, T. W., Savoie, H., Boyle, R. W., & Stasiuk, G. J. (2018). Selective radiolabelling with 68Ga under mild conditions: a route towards a porphyrin PET/PDT theranostic agent. Chemical communications : Chem comm / the Royal Society of Chemistry, 54(57), 7952-7954. https://doi.org/10.1039/c8cc03897j

A theranostic conjugate for use as a positron emission tomography (PET) radiotracer and as a photosensitiser for photodynamic therapy (PDT) has been synthesised. A water-soluble porphyrin was coupled with the bifunctional chelate, H4Dpaa.ga. This con... Read More about Selective radiolabelling with 68Ga under mild conditions: a route towards a porphyrin PET/PDT theranostic agent.

A 18F radiolabelled Zn(ii) sensing fluorescent probe (2018)
Journal Article
Price, T. W., Firth, G., Eling, C. J., Kinnon, M., Long, N. J., Sturge, J., & Stasiuk, G. J. (2018). A 18F radiolabelled Zn(ii) sensing fluorescent probe. Chemical communications : Chem comm / the Royal Society of Chemistry, 54(26), 3227-3230. https://doi.org/10.1039/c8cc00687c

A selective fluorescent probe for Zn(ii), AQA-F, has been synthesized. AQA-F exhibits a ratiometric shift in emission of up to 80 nm upon binding Zn(ii) ([AQA-F] = 0.1 mM, [Zn(ii)Cl 2 ] = 0-300 μM). An enhancement of quantum yield from Φ = 4.2% to Φ... Read More about A 18F radiolabelled Zn(ii) sensing fluorescent probe.

Amino acid based gallium-68 chelators capable of radiolabeling at neutral pH (2017)
Journal Article
Kubicek, V., Bohmova, Z., Price, T. W., Gallo, J., Kubíček, V., Böhmová, Z., Prior, T. J., Greenman, J., Hermann, P., & Stasiuk, G. J. (2017). Amino acid based gallium-68 chelators capable of radiolabeling at neutral pH. Dalton Transactions : an international journal of inorganic chemistry, 46(48), 16973-16982. https://doi.org/10.1039/c7dt03398b

Gallium-68 ( 68 Ga) has been the subject of increasing interest for its potential in the production of radiotracers for diagnosis of diseases. In this work we report the complexation of 68 Ga by the amino acid based tripodal chelate H 3 Dpaa, and two... Read More about Amino acid based gallium-68 chelators capable of radiolabeling at neutral pH.

Dual-modal SERS/fluorescence AuNP probe for mitochondrial imaging (2017)
Journal Article
Eling, C. J., Price, T. W., Marshall, A. R. L., Narda Viscomi, F., Robinson, P., Firth, G., Adawi, A. M., Bouillard, J.-S. G., & Stasiuk, G. J. (2017). Dual-modal SERS/fluorescence AuNP probe for mitochondrial imaging. ChemPlusChem, 82(5), 674-680. https://doi.org/10.1002/cplu.201600593

A novel SERS/fluorescent multimodal imaging probe for mitochondria has been synthesised using 12 nm diameter gold nanoparticles (AuNP) surface functionalised with a rhodamine thiol derivative ligand. The normal pH dependant acidic fluorescence of the... Read More about Dual-modal SERS/fluorescence AuNP probe for mitochondrial imaging.

How to study basement membrane stiffness as a biophysical trigger in prostate cancer and other age-related pathologies or metabolic diseases (2016)
Journal Article
Rodriguez-Teja, M., Breit, C., Clarke, M., Talar, K., Wang, K., Mohammad, M. A., Pickwell, S., Etchandy, G., Stasiuk, G. J., & Sturge, J. (2016). How to study basement membrane stiffness as a biophysical trigger in prostate cancer and other age-related pathologies or metabolic diseases. Journal of visualized experiments : JoVE, 2016(115), https://doi.org/10.3791/54230

Here we describe a protocol that can be used to study the biophysical microenvironment related to increased thickness and stiffness of the basement membrane (BM) during age-related pathologies and metabolic disorders (e.g. cancer, diabetes, microvasc... Read More about How to study basement membrane stiffness as a biophysical trigger in prostate cancer and other age-related pathologies or metabolic diseases.

Synthesis, structures and cytotoxicity studies of p-sulfonatocalix[4]arene lanthanide complexes (2016)
Journal Article
Miller-Shakesby, D. M., Burke, B. P., Nigam, S., Stasiuk, G. J., Prior, T. J., Archibald, S. J., & Redshaw, C. (2016). Synthesis, structures and cytotoxicity studies of p-sulfonatocalix[4]arene lanthanide complexes. CrystEngComm RSC, 18(26), 4977-4987. https://doi.org/10.1039/c6ce00209a

A number of p-sulfonatocalix[4]arene complexes of the lanthanides (Tb, Gd, and Eu) have been prepared, some in the presence of tetraazamacrocycle 1,4,7,10-tetraazacyclododecane-1,4,7-triacetic acid (DO3A), and fully characterised. Crystal structure d... Read More about Synthesis, structures and cytotoxicity studies of p-sulfonatocalix[4]arene lanthanide complexes.