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Spore exines increase vitamin D clinical bioavailability by mucoadhesion and bile triggered release (2022)
Journal Article
Diego-Taboada, A., Sathyapalan, T., Courts, F., Lorch, M., Almutairi, F., Burke, B. P., …Mackenzie, G. (2022). Spore exines increase vitamin D clinical bioavailability by mucoadhesion and bile triggered release. Journal of controlled release : official journal of the Controlled Release Society, 350, 244-255. https://doi.org/10.1016/j.jconrel.2022.08.017

Sporopollenin exine capsules (SpECs) are microcapsules derived from the outer shells (exines) of plant spore and pollen grains. This work reports the first clinical study on healthy volunteers to show enhanced bioavailability of vitamin D encapsulate... Read More about Spore exines increase vitamin D clinical bioavailability by mucoadhesion and bile triggered release.

A practical guide to automating fluorine-18 PET radiochemistry using commercially available cassette-based platforms (2022)
Journal Article
Barnes, C., Nair, M., Aboagye, E. O., Archibald, S. J., & Allott, L. (2022). A practical guide to automating fluorine-18 PET radiochemistry using commercially available cassette-based platforms. Reaction Chemistry and Engineering, https://doi.org/10.1039/d2re00219a

The automation of positron emission tomography (PET) radiochemistry using cassette-based automated radiosynthesis platforms is an essential component of clinical translation for the vast majority of 18F-based radiopharmaceuticals. The technology is w... Read More about A practical guide to automating fluorine-18 PET radiochemistry using commercially available cassette-based platforms.

The aluminium-[18F]fluoride revolution: simple radiochemistry with a big impact for radiolabelled biomolecules (2021)
Journal Article
Archibald, S. J., & Allott, L. (2021). The aluminium-[18F]fluoride revolution: simple radiochemistry with a big impact for radiolabelled biomolecules. EJNMMI Radiopharmacy and Chemistry, 6(1), Article 30. https://doi.org/10.1186/s41181-021-00141-0

The aluminium-[18F]fluoride ([18F]AlF) radiolabelling method combines the favourable decay characteristics of fluorine-18 with the convenience and familiarity of metal-based radiochemistry and has been used to parallel gallium-68 radiopharmaceutical... Read More about The aluminium-[18F]fluoride revolution: simple radiochemistry with a big impact for radiolabelled biomolecules.

Multivalency in CXCR4 chemokine receptor targeted iron oxide nanoparticles (2021)
Journal Article
Baghdadi, N. E., Burke, B. P., Alresheedi, T., Nigam, S., Saeed, A., Almutairi, F., …Archibald, S. J. (2021). Multivalency in CXCR4 chemokine receptor targeted iron oxide nanoparticles. Dalton Transactions : an international journal of inorganic chemistry, 50(5), 1599-1603. https://doi.org/10.1039/d0dt02626c

The CXCR4 chemokine receptor is an important biomolecular target in cancer diagnostics and therapeutics. In a new multivalent approach, iron oxide nanoparticles were conjugated with multiple binding units of a low affinity azamacrocylic CXCR4 antagon... Read More about Multivalency in CXCR4 chemokine receptor targeted iron oxide nanoparticles.

PI3K inhibition as a novel therapeutic strategy for neoadjuvant chemoradiotherapy resistant oesophageal adenocarcinoma (2021)
Journal Article
Edge, S. D., Renard, I., Pyne, E., Li, C., Moody, H., Roy, R., …Pires, I. M. (2021). PI3K inhibition as a novel therapeutic strategy for neoadjuvant chemoradiotherapy resistant oesophageal adenocarcinoma. British Journal of Radiology, 94(1119), Article 20201191. https://doi.org/10.1259/bjr.20201191

OBJECTIVE: Neoadjuvant chemoradiotherapy (neo-CRT) prior to surgery is the standard of care for oesophageal adenocarcinoma (OAC) patients. Unfortunately, most patients fail to respond to treatment. MiR-187 was previously shown to be downregulated in... Read More about PI3K inhibition as a novel therapeutic strategy for neoadjuvant chemoradiotherapy resistant oesophageal adenocarcinoma.

Towards dual SPECT/optical bioimaging with a mitochondrial targeting, 99mTc(i) radiolabelled 1,8-naphthalimide conjugate (2020)
Journal Article
Day, A. H., Domarkas, J., Nigam, S., Renard, I., Cawthorne, C., Burke, B. P., …Pope, S. J. A. (in press). Towards dual SPECT/optical bioimaging with a mitochondrial targeting, 99mTc(i) radiolabelled 1,8-naphthalimide conjugate. Dalton Transactions : an international journal of inorganic chemistry, 49(2), 511-523. https://doi.org/10.1039/c9dt04024b

A series of six different 1,8-naphthalimide conjugated dipicolylamine ligands (L1-6) have been synthesised and characterised. The ligands possess a range of different linker units between the napthalimide fluorophore and dipcolylamine chelator which... Read More about Towards dual SPECT/optical bioimaging with a mitochondrial targeting, 99mTc(i) radiolabelled 1,8-naphthalimide conjugate.

Specificity of translocator protein-targeted positron emission tomography in inflammatory joint disease (2020)
Journal Article
Helo, Y., Searle, G. E., Borghese, F., Abraham, S., & Saleem, A. (2020). Specificity of translocator protein-targeted positron emission tomography in inflammatory joint disease. EJNMMI Research, 10(1), Article 147. https://doi.org/10.1186/s13550-020-00736-9

© 2020, The Author(s). Objective: Expression of the translocator protein (TSPO) on inflammatory cells has facilitated imaging of synovitis with TSPO-targeted positron emission tomography (PET). We aimed to quantitatively assess the specificity of the... Read More about Specificity of translocator protein-targeted positron emission tomography in inflammatory joint disease.

Advanced imaging for quantification of abnormalities in the salivary glands of patients with primary Sjögren's syndrome (2020)
Journal Article
Jimenez-Royo, P., Bombardieri, M., Ciurtin, C., Kostapanos, M., Tappuni, A. R., Jordan, N., …Tarzi, R. (2021). Advanced imaging for quantification of abnormalities in the salivary glands of patients with primary Sjögren's syndrome. Rheumatology, 60(5), 2396-2408. https://doi.org/10.1093/rheumatology/keaa624

OBJECTIVES: To assess non-invasive imaging for detection and quantification of gland structure, inflammation and function in patients with primary Sjogren's syndrome (pSS) using PET-CT with 11C-Methionine (11C-MET; radiolabelled amino acid), and 18F-... Read More about Advanced imaging for quantification of abnormalities in the salivary glands of patients with primary Sjögren's syndrome.

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., …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.

Use of non-Gaussian time-of-flight kernels for image reconstruction of Monte Carlo simulated data of ultra-fast PET scanners (2020)
Journal Article
Efthimiou, N., Thielemans, K., Emond, E., Cawthorne, C., Archibald, S. J., & Tsoumpas, C. (in press). Use of non-Gaussian time-of-flight kernels for image reconstruction of Monte Carlo simulated data of ultra-fast PET scanners. EJNMMI Physics, 7(1), Article 42. https://doi.org/10.1186/s40658-020-00309-8

Introduction: Time-of-flight (TOF) positron emission tomography (PET) scanners can provide significant benefits by improving the noise properties of reconstructed images. In order to achieve this, the timing response of the scanner needs to be modell... Read More about Use of non-Gaussian time-of-flight kernels for image reconstruction of Monte Carlo simulated data of ultra-fast PET scanners.

On-chip electrochemical detection of glucose towards the miniaturised quality control of carbohydrate-based radiotracers (2020)
Journal Article
Patinglag, L., Esfahani, M. M. N., Ragunathan, K., He, P., Brown, N. J., Archibald, S. J., …Tarn, M. D. (2020). On-chip electrochemical detection of glucose towards the miniaturised quality control of carbohydrate-based radiotracers. Analyst, 145(14), 4920-4930. https://doi.org/10.1039/c9an01881f

The miniaturisation of positron emission tomography (PET) radiotracer production is facilitating a move towards a dose-on-demand strategy that would enable a stratified approach to patient diagnostics, but while the on-chip synthesis steps have been... Read More about On-chip electrochemical detection of glucose towards the miniaturised quality control of carbohydrate-based radiotracers.

An ethylene cross-bridged pentaazamacrocycle and its Cu2+ complex: constrained ligand topology and excellent kinetic stability (2020)
Journal Article
Shircliff, A. D., Burke, B. P., Davilla, D. J., Burgess, G. E., Okorocha, F. A., Shrestha, A., …Hubin, T. J. (2020). An ethylene cross-bridged pentaazamacrocycle and its Cu2+ complex: constrained ligand topology and excellent kinetic stability. Chemical communications : Chem comm / the Royal Society of Chemistry, 56(54), 7519-7522. https://doi.org/10.1039/d0cc00919a

Rigid and topologically constrained ethylene cross-bridged tetraazamacrocycles have been increasingly utilised for thirty years as they form remarkably stable transition metal complexes for catalysis, biomedical imaging, and inorganic drug molecule a... Read More about An ethylene cross-bridged pentaazamacrocycle and its Cu2+ complex: constrained ligand topology and excellent kinetic stability.

A positron emission tomography imaging study to confirm target engagement in the lungs of patients with idiopathic pulmonary fibrosis following a single dose of a novel inhaled αvβ6 integrin inhibitor (2020)
Journal Article
Maher, T. M., Simpson, J. K., Porter, J. C., Wilson, F. J., Chan, R., Eames, R., …Vahdati-Bolouri, M. (2020). A positron emission tomography imaging study to confirm target engagement in the lungs of patients with idiopathic pulmonary fibrosis following a single dose of a novel inhaled αvβ6 integrin inhibitor. Respiratory Research, 21(1), Article 75. https://doi.org/10.1186/s12931-020-01339-7

© 2020 The Author(s). Background: Idiopathic pulmonary fibrosis (IPF) is a chronic, progressive lung disease with poor prognosis and a significant unmet medical need. This study evaluated the safety, pharmacokinetics (PK) and target engagement in the... Read More about A positron emission tomography imaging study to confirm target engagement in the lungs of patients with idiopathic pulmonary fibrosis following a single dose of a novel inhaled αvβ6 integrin inhibitor.

Integrin αvβ6 Positron Emission Tomography Imaging in Lung Cancer Patients Treated With Pulmonary Radiation Therapy (2020)
Journal Article
Saleem, A., Helo, Y., Win, Z., Dale, R., Cook, J., Searle, G. E., & Wells, P. (2020). Integrin αvβ6 Positron Emission Tomography Imaging in Lung Cancer Patients Treated With Pulmonary Radiation Therapy. International journal of radiation oncology, biology, physics, 107(2), 370-376. https://doi.org/10.1016/j.ijrobp.2020.02.014

© 2020 Elsevier Inc. Purpose: Post radiation therapy (RT) lung fibrosis is a major barrier to improved cure rate in lung cancer. Integrin αvβ6 plays a key role in fibrogenesis by activating transforming growth factor-β. Positron emission tomography (... Read More about Integrin αvβ6 Positron Emission Tomography Imaging in Lung Cancer Patients Treated With Pulmonary Radiation Therapy.

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., …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.

Spill-in counts in the quantification of 18F-florbetapir on Aβ-negative subjects: the effect of including white matter in the reference region (2019)
Journal Article
López-González, F. J., Moscoso, A., Efthimiou, N., Fernández-Ferreiro, A., Piñeiro-Fiel, M., Archibald, S. J., …Silva-Rodríguez, J. (2019). Spill-in counts in the quantification of 18F-florbetapir on Aβ-negative subjects: the effect of including white matter in the reference region. EJNMMI Physics, 6, Article 27. https://doi.org/10.1186/s40658-019-0258-7

© 2019, The Author(s). Background: We aim to provide a systematic study of the impact of white matter (WM) spill-in on the calculation of standardized uptake value ratios (SUVRs) on Aβ-negative subjects, and we study the effect of including WM in... Read More about Spill-in counts in the quantification of 18F-florbetapir on Aβ-negative subjects: the effect of including white matter in the reference region.

Clinical quantification of the integrin αvβ6 by [18F]FB-A20FMDV2 positron emission tomography in healthy and fibrotic human lung (PETAL Study) (2019)
Journal Article
Lukey, P. T., Coello, C., Gunn, R., Parker, C., Wilson, F. J., Saleem, A., …Marshall, R. P. (2020). Clinical quantification of the integrin αvβ6 by [18F]FB-A20FMDV2 positron emission tomography in healthy and fibrotic human lung (PETAL Study). European journal of nuclear medicine and molecular imaging, 47(4), 967-979. https://doi.org/10.1007/s00259-019-04586-z

© 2019, The Author(s). Purpose: The RGD-integrin, αvβ6, plays a role in the pathogenesis of pulmonary fibrosis through activation of transforming growth factor beta (TGFβ). This study sought to quantify expression of αvβ6 in the lungs of healthy huma... Read More about Clinical quantification of the integrin αvβ6 by [18F]FB-A20FMDV2 positron emission tomography in healthy and fibrotic human lung (PETAL Study).

Side-bridged cyclam transition metal complexes bearing a phenolic ether or a phenolate pendent arm (2019)
Journal Article
Mewis, R. E., & Archibald, S. J. (2019). Side-bridged cyclam transition metal complexes bearing a phenolic ether or a phenolate pendent arm. Polyhedron, 171, 578-589. https://doi.org/10.1016/j.poly.2019.08.003

Side-bridged cyclam transition metal complexes (M = Ni(II), Cu(II) and Zn(II)) bearing a phenolic ether or phenolate pendent arm have been synthesised. For [NiL1]+ and [CuL1]+, evidence for a phenoxyl radical was obtained (quasi reversible peak at +0... Read More about Side-bridged cyclam transition metal complexes bearing a phenolic ether or a phenolate pendent arm.

Synthesis, structure, and cytotoxicity studies of oxidovanadium(IV and V) complexes bearing chelating phenolates (2019)
Journal Article
Miller-Shakesby, D. M., Nigam, S., Brookfield, A., McInnes, E. J., Prior, T. J., Archibald, S. J., & Redshaw, C. (2019). Synthesis, structure, and cytotoxicity studies of oxidovanadium(IV and V) complexes bearing chelating phenolates. Polyhedron, 171, 1-9. https://doi.org/10.1016/j.poly.2019.06.051

The interaction of [VO(acac)2] with 2,6-bis(hydroxymethyl)-4-methylphenol (L1H3) or 6,6/-methylenebis(4-tert-butyl-2-(hydroxymethyl)phenol) (L2H4) in refluxing toluene afforded, following work-up in ethanol, the complexes [VOL1]2 (1) and {[VO(acac)(H... Read More about Synthesis, structure, and cytotoxicity studies of oxidovanadium(IV and V) complexes bearing chelating phenolates.

MRI and PET/MRI in hematologic malignancies (2019)
Journal Article
Mayerhoefer, M. E., Archibald, S. J., Messiou, C., Staudenherz, A., Berzaczy, D., & Schöder, H. (2020). MRI and PET/MRI in hematologic malignancies. Journal of magnetic resonance imaging : JMRI, 51(5), 1325-1335. https://doi.org/10.1002/jmri.26848

The role of MRI differs considerably between the three main groups of hematological malignancies: lymphoma, leukemia, and myeloma. In myeloma, whole-body MRI (WB-MRI) is recognized as a highly sensitive test for the assessment of myeloma, and is also... Read More about MRI and PET/MRI in hematologic malignancies.