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Tetraazamacrocyclic derivatives and their metal complexes as antileishmanial leads (2019)
Journal Article
Hubin, T. J., Walker, A. N., Davilla, D. J., Carder Freeman, T. R. N., Epley, B. M., Hasley, T. R., …Khan, M. O. F. (2019). Tetraazamacrocyclic derivatives and their metal complexes as antileishmanial leads. Polyhedron, 163, 42-53. https://doi.org/10.1016/j.poly.2019.02.027

© 2019 A total of 44 bis-aryl-monocyclic polyamines, monoaryl-monocyclic polyamines and their transition metal complexes were prepared, chemically characterized, and screened in vitro against the Leishmania donovani promastigotes, axenic amastigotes... Read More about Tetraazamacrocyclic derivatives and their metal complexes as antileishmanial leads.

Acetate as a model for aspartate-based CXCR4 chemokine receptor binding of cobalt and nickel complexes of cross-bridged tetraazamacrocycles (2019)
Journal Article
Cain, A. N., Carder Freeman, T. N., Roewe, K. D., Cockriel, D. L., Hasley, T. R., Maples, R. D., …Hubin, T. J. (2019). Acetate as a model for aspartate-based CXCR4 chemokine receptor binding of cobalt and nickel complexes of cross-bridged tetraazamacrocycles. Dalton Transactions : an international journal of inorganic chemistry, 48(8), 2785-2801. https://doi.org/10.1039/c8dt04728f

A number of disease states including WHIM syndrome, HIV infection and cancer have been linked to the chemokine receptor CXCR4. High-affinity CXCR4 antagonist transition metal complexes of configurationally restricted bis-tetraazamacrocyclic ligands h... Read More about Acetate as a model for aspartate-based CXCR4 chemokine receptor binding of cobalt and nickel complexes of cross-bridged tetraazamacrocycles.

Cell proliferation detected using [18F]FLT PET/CT as an early marker of abdominal aortic aneurysm (2019)
Journal Article
Gandhi, R., Cawthorne, C., Craggs, L. J., Wright, J. D., Domarkas, J., He, P., …Bailey, M. A. (2019). Cell proliferation detected using [18F]FLT PET/CT as an early marker of abdominal aortic aneurysm. Journal of Nuclear Cardiology, https://doi.org/10.1007/s12350-019-01946-y

© 2019, The Author(s). Background: Abdominal aortic aneurysm (AAA) is a focal aortic dilatation progressing towards rupture. Non-invasive AAA-associated cell proliferation biomarkers are not yet established. We investigated the feasibility of the cel... Read More about Cell proliferation detected using [18F]FLT PET/CT as an early marker of abdominal aortic aneurysm.

Visualizing kinetically robust CoIII4L6 assemblies in Vivo: SPECT imaging of the encapsulated [99mTc]TcO4- Anion (2018)
Journal Article
Burke, B. P., Grantham, W., Burke, M. J., Nichol, G. S., Roberts, D., Renard, I., …Lusby, P. J. (2018). Visualizing kinetically robust CoIII4L6 assemblies in Vivo: SPECT imaging of the encapsulated [99mTc]TcO4- Anion. Journal of the American Chemical Society, 140(49), 16877-16881. https://doi.org/10.1021/jacs.8b09582

© 2018 American Chemical Society. Noncovalent encapsulation is an attractive approach for modifying the efficacy and physiochemical properties of both therapeutic and diagnostic species. Abiotic self-assembled constructs have shown promise, yet many... Read More about Visualizing kinetically robust CoIII4L6 assemblies in Vivo: SPECT imaging of the encapsulated [99mTc]TcO4- Anion.

Textural analysis demonstrates heterogeneous [18F]-fluorodeoxyglucose uptake in radiologically normal lung in patients with idiopathic pulmonary fibrosis (2018)
Journal Article
Aliyu, S. A., Avery, G., Cawthorne, C., Archibald, S. J., Kadir, T., Willaime, J. M., …Crooks, M. G. (2018). Textural analysis demonstrates heterogeneous [18F]-fluorodeoxyglucose uptake in radiologically normal lung in patients with idiopathic pulmonary fibrosis. European respiratory journal, 52(5), 1801138. https://doi.org/10.1183/13993003.01138-2018

Positron Emission Tomography (PET) scanning in idiopathic pulmonary fibrosis (IPF) has revealed increased [18F]-fluorodeoxyglucose ([18F]-FDG) uptake in areas of the lungs that appear normal on high resolution computed tomography (HRCT). We hypothesi... Read More about Textural analysis demonstrates heterogeneous [18F]-fluorodeoxyglucose uptake in radiologically normal lung in patients with idiopathic pulmonary fibrosis.

Bisphosphonate Functionalized Gadolinium Oxide Nanoparticles Allow Long-Term MRI/CT Multimodal Imaging of Calcium Phosphate Bone Cement (2018)
Journal Article
Mastrogiacomo, S., Kownacka, A. E., Dou, W., Burke, B. P., de Rosales, R. T., Heerschap, A., …Walboomers, X. F. (2018). Bisphosphonate Functionalized Gadolinium Oxide Nanoparticles Allow Long-Term MRI/CT Multimodal Imaging of Calcium Phosphate Bone Cement. Advanced Healthcare Materials, 7(19), Article 1800202. https://doi.org/10.1002/adhm.201800202

Direct in vivo monitoring of bioconstructs using noninvasive imaging modalities such as magnetic resonance imaging (MRI) or computed tomography (CT) is not possible for many materials. Calcium phosphate–based composites (CPCs) that are applicable to... Read More about Bisphosphonate Functionalized Gadolinium Oxide Nanoparticles Allow Long-Term MRI/CT Multimodal Imaging of Calcium Phosphate Bone Cement.

Increase of Direct C-C Coupling Reaction Yield by Identifying Structural and Electronic Properties of High-Spin Iron Tetra-azamacrocyclic Complexes (2018)
Journal Article
Brewer, S. M., Wilson, K. R., Jones, D. G., Reinheimer, E. W., Archibald, S. J., Prior, T. J., …Green, K. N. (2018). Increase of Direct C-C Coupling Reaction Yield by Identifying Structural and Electronic Properties of High-Spin Iron Tetra-azamacrocyclic Complexes. Inorganic chemistry, 57(15), 8890-8902. https://doi.org/10.1021/acs.inorgchem.8b00777

Macrocyclic ligands have been explored extensively as scaffolds for transition metal catalysts for oxygen and hydrogen atom transfer reactions. C–C reactions facilitated using earth abundant metals bound to macrocyclic ligands have not been well-unde... Read More about Increase of Direct C-C Coupling Reaction Yield by Identifying Structural and Electronic Properties of High-Spin Iron Tetra-azamacrocyclic Complexes.

Plastic scintillator-based microfluidic devices for miniaturized detection of Positron Emission Tomography radiopharmaceuticals (2018)
Journal Article
Tarn, M. D., Kızılyer, N. Y., Esfahani, M. M. N., Joshi, P., Brown, N. J., Pamme, N., …Archibald, S. J. (2018). Plastic scintillator-based microfluidic devices for miniaturized detection of Positron Emission Tomography radiopharmaceuticals. Chemistry: a European journal, 24(52), 13749-13753. https://doi.org/10.1002/chem.201802395

A miniaturized radio-HPLC detector has been developed comprising a microfluidic device fabricated from plastic scintillator in combination with a silicon photomultiplier light sensor, and tested with samples containing a positron-emitting radionuclid... Read More about Plastic scintillator-based microfluidic devices for miniaturized detection of Positron Emission Tomography radiopharmaceuticals.

Synthesis, Crystal Structure, and Cytotoxicity Studies of titanacalix[4 and 8]arene Complexes (2018)
Journal Article
Miller-Shakesby, D. M., Nigam, S., Hughes, D. L., Lopez-Estelles, E., Elsegood, M. R., Cawthorne, C. J., …Redshaw, C. (2018). Synthesis, Crystal Structure, and Cytotoxicity Studies of titanacalix[4 and 8]arene Complexes. Dalton Transactions : an international journal of inorganic chemistry, 47(27), 8992-8999. https://doi.org/10.1039/c8dt01992d

© 2018 The Royal Society of Chemistry. Reaction of 5,11,17,23-tetra-tert-butyl-dihydroxy-26,28-bis(2-pentoxy)calix[4]arene (L(OH)2(Opentyl)2) with [TiCl4] afforded the dichlorotitanoacalix[4]arene complex [TiCl2L(O)2(Opentyl)2] (1) in good yield. Hyd... Read More about Synthesis, Crystal Structure, and Cytotoxicity Studies of titanacalix[4 and 8]arene Complexes.

Fluoride doped γ-Fe2O3 nanoparticles with increased MRI relaxivity (2018)
Journal Article
Jones, N. E., Burnett, C. A., Salamon, S., Landers, J., Wende, H., Lazzarini, L., …Francesconi, M. G. (2018). Fluoride doped γ-Fe2O3 nanoparticles with increased MRI relaxivity. Journal of Materials Chemistry B, 6(22), 3665-3673. https://doi.org/10.1039/c8tb00360b

Iron oxide nanoparticles (IONs) are being actively researched and experimented with as contrast agents for Magnetic Resonance Imaging (MRI), as well as image-directed delivery of therapeutics. The efficiency of an MRI contrast agent can be described... Read More about Fluoride doped γ-Fe2O3 nanoparticles with increased MRI relaxivity.

Multimodal nanoparticle imaging agents: Design and applications (2017)
Journal Article
Burke, B. P., Cawthorne, C., & Archibald, S. J. (2017). Multimodal nanoparticle imaging agents: Design and applications. Philosophical transactions. Series A, Mathematical, physical, and engineering sciences, 375(2107), 20170261. https://doi.org/10.1098/rsta.2017.0261

Molecular imaging, where the location of molecules or nanoscale constructs can be tracked in the body to report on disease or biochemical processes, is rapidly expanding to include combined modality or multimodal imaging. No single imaging technique... Read More about Multimodal nanoparticle imaging agents: Design and applications.

Synthesis, characterization and in vivo evaluation of a magnetic cisplatin delivery nanosystem based on PMAA-graft-PEG copolymers (2016)
Journal Article
Voulgari, E., Bakandritsos, A., Galtsidis, S., Zoumpourlis, V., Burke, B. P., Clemente, G. S., …Avgoustakis, K. (2016). Synthesis, characterization and in vivo evaluation of a magnetic cisplatin delivery nanosystem based on PMAA-graft-PEG copolymers. Journal of controlled release : official journal of the Controlled Release Society, 243, 342-356. https://doi.org/10.1016/j.jconrel.2016.10.021

© 2016 Elsevier B.V. The development of anticancer drug delivery systems which retain or enhance the cytotoxic properties of the drug to tumorous tissues, while reducing toxicity to other organs is of key importance. We investigated different poly(me... Read More about Synthesis, characterization and in vivo evaluation of a magnetic cisplatin delivery nanosystem based on PMAA-graft-PEG copolymers.

Aspartate-Based CXCR4 Chemokine Receptor Binding of Cross-Bridged Tetraazamacrocyclic Copper(II) and Zinc(II) Complexes (2016)
Journal Article
Maples, R. D., Cain, A. N., Burke, B. P., Silversides, J. D., Mewis, R. E., D'huys, T., …Hubin, T. J. (2016). Aspartate-Based CXCR4 Chemokine Receptor Binding of Cross-Bridged Tetraazamacrocyclic Copper(II) and Zinc(II) Complexes. Chemistry: a European journal, 22(36), 12916-12930. https://doi.org/10.1002/chem.201601468

© 2016 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim The CXCR4 chemokine receptor is implicated in a number of diseases including HIV infection and cancer development and metastasis. Previous studies have demonstrated that configurationally restricted... Read More about Aspartate-Based CXCR4 Chemokine Receptor Binding of Cross-Bridged Tetraazamacrocyclic Copper(II) and Zinc(II) Complexes.

Monolith-based68Ga processing: A new strategy for purification to facilitate direct radiolabelling methods (2016)
Journal Article
He, P., Burke, B. P., Clemente, G. S., Brown, N., Pamme, N., & Archibald, S. J. (2016). Monolith-based68Ga processing: A new strategy for purification to facilitate direct radiolabelling methods. Reaction Chemistry and Engineering, 1(4), 361-365. https://doi.org/10.1039/c6re00081a

The post-processing of68Ga generator eluate by means of a novel high capacity cation-exchange silica monolith column has been validated in this work. Quantitative release of a purified68Ga solution in high concentration can be achieved using weak aci... Read More about Monolith-based68Ga processing: A new strategy for purification to facilitate direct radiolabelling methods.

Structurally optimised BODIPY derivatives for imaging of mitochondrial dysfunction in cancer and heart cells (2016)
Journal Article
Nigam, S., Burke, B. P., Davies, L. H., Domarkas, J., Wallis, J. F., Waddell, P. G., …Archibald, S. J. (2016). Structurally optimised BODIPY derivatives for imaging of mitochondrial dysfunction in cancer and heart cells. Chemical communications : Chem comm / the Royal Society of Chemistry, 52(44), 7114-7117. https://doi.org/10.1039/c5cc08325g

The structural features required for mitochondrial uptake of BODIPY-based optical imaging agents have been explored. The first derivatives of this class of dyes shown to have mitochondrial membrane potential-dependent uptake in both cancer and heart... Read More about Structurally optimised BODIPY derivatives for imaging of mitochondrial dysfunction in cancer and heart cells.

Development of radiodetection systems towards miniaturised quality control of PET and SPECT radiopharmaceuticals (2016)
Journal Article
Taggart, M. P., Tarn, M. D., Esfahani, M. M. N., Schofield, D. M., Brown, N. J., Archibald, S. J., …Thompson, L. F. (2016). Development of radiodetection systems towards miniaturised quality control of PET and SPECT radiopharmaceuticals. Lab on a chip, 16(9), 1605-1616. https://doi.org/10.1039/c6lc00099a

The ability to detect radiation in microfluidic devices is important for the on-chip analysis of radiopharmaceuticals, but previously reported systems have largely suffered from various limitations including cost, complexity of fabrication, and insuf... Read More about Development of radiodetection systems towards miniaturised quality control of PET and SPECT radiopharmaceuticals.

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.

Positron detection in silica monoliths for miniaturised quality control of PET radiotracers (2016)
Journal Article
Tarn, M. D., Maneuski, D., Alexander, R., Brown, N. J., O’Shea, V., Pimlott, S. L., …Archibald, S. J. (2016). Positron detection in silica monoliths for miniaturised quality control of PET radiotracers. Chemical communications : Chem comm / the Royal Society of Chemistry, 52(45), 7221-7224. https://doi.org/10.1039/c6cc00660d

We demonstrate the use of the miniaturised Medipix positron sensor for detection of the clinical PET radiotracer, [⁶⁸Ga]gallium-citrate, on a silica-based monolith, towards microfluidic quality control. The system achieved a far superior signal-to-no... Read More about Positron detection in silica monoliths for miniaturised quality control of PET radiotracers.

Mono- and bis-alkylation of glyoxal-bridged tetraazamacrocycles using mechanochemistry (2016)
Journal Article
Abdulwahaab, B. H., Burke, B. P., Domarkas, J., Silversides, J. D., Prior, T. J., & Archibald, S. J. (2016). Mono- and bis-alkylation of glyoxal-bridged tetraazamacrocycles using mechanochemistry. Journal of Organic Chemistry, 81(3), 890-898. https://doi.org/10.1021/acs.joc.5b02464

Glyoxal-bridged bisaminal tetraazamacrocyclic derivatives of 1,4,7,10-tetraazacyclododecane (cyclen) and 1,4,8,11-tetraazacyclotetradecane (cyclam) can be N-functionalized to incorporate coordinating groups or for conjugation to biomolecules. Herein,... Read More about Mono- and bis-alkylation of glyoxal-bridged tetraazamacrocycles using mechanochemistry.

Development of PDT/PET theranostics: synthesis and biological evaluation of an ¹⁸F-radiolabeled water soluble porphyrin (2015)
Journal Article
Entract, G. M., Bryden, F., Domarkas, J., Savoie, H., Allott, L., Archibald, S. J., …Boyle, R. W. (2015). Development of PDT/PET theranostics: synthesis and biological evaluation of an ¹⁸F-radiolabeled water soluble porphyrin. Molecular pharmaceutics, 12(12), 4414-4423. https://doi.org/10.1021/acs.molpharmaceut.5b00606

Synthesis of the first water-soluble porphyrin radiolabeled with fluorine-18 is described: a new molecular theranostic agent which integrates the therapeutic selectivity of photodynamic therapy (PDT) with the imaging efficacy of positron emission tom... Read More about Development of PDT/PET theranostics: synthesis and biological evaluation of an ¹⁸F-radiolabeled water soluble porphyrin.