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Parallelized Manipulation of Adherent Living Cells by Magnetic Nanoparticles-Mediated Forces (2020)
Journal Article
Coppey, M., Piehler, J., Gates, M., Neumann, S., Telling, N., Heumann, R., …Raudzus, F. (2020). Parallelized Manipulation of Adherent Living Cells by Magnetic Nanoparticles-Mediated Forces. International Journal of Molecular Sciences, 21(18), https://doi.org/10.3390/ijms21186560

The remote actuation of cellular processes such as migration or neuronal outgrowth is a challenge for future therapeutic applications in regenerative medicine. Among the different methods that have been proposed, the use of magnetic nanoparticles app... Read More about Parallelized Manipulation of Adherent Living Cells by Magnetic Nanoparticles-Mediated Forces.

Cytotoxic effect of PEI-coated magnetic nanoparticles on the regulation of cellular focal adhesions and actin stress fibres (2020)
Journal Article
Telling. (2020). Cytotoxic effect of PEI-coated magnetic nanoparticles on the regulation of cellular focal adhesions and actin stress fibres. https://doi.org/10.2139/ssrn.3558242

The biocompatibility of surface-coated magnetic nanoparticles (MNPs) is key to their successful use in biomedical applications. Polyethyleneimine-coated MNPs (MNP-PEIs) provide improved in vitro nucleic acid transfection efficiency and are safer comp... Read More about Cytotoxic effect of PEI-coated magnetic nanoparticles on the regulation of cellular focal adhesions and actin stress fibres.

Controlling human platelet activation with calcium-binding nanoparticles (2020)
Journal Article
Cabrera, D., Walker, K., Moise, S., Telling, N. D., & Harper, A. G. (2020). Controlling human platelet activation with calcium-binding nanoparticles. Nano Research, 13, Article 2697–2705. https://doi.org/10.1007/s12274-020-2912-8

We introduce a neural method that is able to fuse concepts from a knowledge base with the context information for the task of grouping of aspect terms. Rather than only using context information, we use the corresponding concepts of aspect terms as a... Read More about Controlling human platelet activation with calcium-binding nanoparticles.

Iron stored in ferritin is chemically reduced in the presence of aggregating Aß(1-42). (2020)
Journal Article
Everett, J., Brooks, J., Lermyte, F., O’Connor, P. B., Sadler, P. J., Dobson, J., …Telling, N. D. (2020). Iron stored in ferritin is chemically reduced in the presence of aggregating Aß(1-42). Scientific reports, 20, Article 10332. https://doi.org/10.1038/s41598-020-67117-z

Atypical low-oxidation-state iron phases in Alzheimer's disease (AD) pathology are implicated in disease pathogenesis, as they may promote elevated redox activity and convey toxicity. However, the origin of low-oxidation-state iron and the pathways r... Read More about Iron stored in ferritin is chemically reduced in the presence of aggregating Aß(1-42)..

Analysis of neuronal iron deposits in Parkinson's disease brain tissue by synchrotron x-ray spectromicroscopy. (2020)
Journal Article
Brooks, J., Everett, J., Lermyte, F., Tjendana Tjhin, V., Sadler, P. J., Telling, N., & Collingwood, J. F. (2020). Analysis of neuronal iron deposits in Parkinson's disease brain tissue by synchrotron x-ray spectromicroscopy. Journal of Trace Elements in Medicine and Biology, 62, Article 126555. https://doi.org/10.1016/j.jtemb.2020.126555

BACKGROUND: Neuromelanin-pigmented neurons, which are highly susceptible to neurodegeneration in the Parkinson's disease substantia nigra, harbour elevated iron levels in the diseased state. Whilst it is widely believed that neuronal iron is stored i... Read More about Analysis of neuronal iron deposits in Parkinson's disease brain tissue by synchrotron x-ray spectromicroscopy..

Label-Free Nanoimaging of Neuromelanin in the Brain by Soft X-ray Spectromicroscopy. (2020)
Journal Article
Telling, & Everett. (2020). Label-Free Nanoimaging of Neuromelanin in the Brain by Soft X-ray Spectromicroscopy. Angewandte Chemie International Edition, https://doi.org/10.1002/anie.202000239

A hallmark of Parkinson's disease is the death of neuromelanin-pigmented neurons, but the role of neuromelanin is unclear. The in situ characterization of neuromelanin remains dependent on detectable pigmentation, rather than direct quantification of... Read More about Label-Free Nanoimaging of Neuromelanin in the Brain by Soft X-ray Spectromicroscopy..

Broadband optical measurement of AC magnetic susceptibility of magnetite nanoparticles (2020)
Journal Article
Soucaille, R., Sharifabad, M., Telling, N., & Hicken, R. (2020). Broadband optical measurement of AC magnetic susceptibility of magnetite nanoparticles. Applied Physics Letters, 116(6), 062404 - 062404. https://doi.org/10.1063/1.5140362

Characterization of magnetic nanoparticles in solution is challenging due to the interplay between magnetic relaxation and agglomeration. The AC magnetic susceptibility of magnetite nanoparticles in water has been studied using magneto-optical method... Read More about Broadband optical measurement of AC magnetic susceptibility of magnetite nanoparticles.

Emerging Approaches to Investigate the Influence of Transition Metals in the Proteinopathies (2019)
Journal Article
Telling, & Everett, J. (2019). Emerging Approaches to Investigate the Influence of Transition Metals in the Proteinopathies. Cells, https://doi.org/10.3390/cells8101231

Transition metals have essential roles in brain structure and function, and are associated with pathological processes in neurodegenerative disorders classed as proteinopathies. Synchrotron X-ray techniques, coupled with ultrahigh-resolution mass spe... Read More about Emerging Approaches to Investigate the Influence of Transition Metals in the Proteinopathies.

Magnetic Mechanoactivation of Wnt Signaling Augments Dopaminergic Differentiation of Neuronal Cells (2019)
Journal Article
Rotherham, M., Nahar, T., Goodman, T., Telling, N., Gates, M., & El Haj, A. (2019). Magnetic Mechanoactivation of Wnt Signaling Augments Dopaminergic Differentiation of Neuronal Cells. Advanced Biosystems, 3(9), 1900091 - 1900091. https://doi.org/10.1002/adbi.201900091

Wnt signaling is a key developmental pathway that regulates dopaminergic progenitor cell proliferation and differentiation during neuronal development. This makes Wnt signaling an important therapeutic target for neurodegenerative conditions such as... Read More about Magnetic Mechanoactivation of Wnt Signaling Augments Dopaminergic Differentiation of Neuronal Cells.

Metal Ion Binding to the Amyloid ß Monomer Studied by Native Top-Down FTICR Mass Spectrometry. (2019)
Journal Article
Lermyte, F., Everett, J., Lam, Y., Wootton, C., Brooks, J., Barrow, M., …Collingwood, J. (2019). Metal Ion Binding to the Amyloid ß Monomer Studied by Native Top-Down FTICR Mass Spectrometry. Journal of The American Society for Mass Spectrometry, 30(10), 2123-2134. https://doi.org/10.1007/s13361-019-02283-7

Native top-down mass spectrometry is a fast, robust biophysical technique that can provide molecular-scale information on the interaction between proteins or peptides and ligands, including metal cations. Here we have analyzed complexes of the full-l... Read More about Metal Ion Binding to the Amyloid ß Monomer Studied by Native Top-Down FTICR Mass Spectrometry..

Correlative Spectromicroscopy and Tomography for Biomedical Applications involving Electron, Ion, and Soft X-ray Microscopies (2019)
Journal Article
Hitchcock, A. P., Wang, X., Grandfield, K., Everett, J., Collingwood, J. F., & Telling, N. D. (2019). Correlative Spectromicroscopy and Tomography for Biomedical Applications involving Electron, Ion, and Soft X-ray Microscopies. Microscopy Today, 27(2), https://doi.org/10.1017/S1551929518001256

Many important scientific and technical problems are best addressed using multiple, microscopy-based analytical techniques that combine the strengths of complementary methods. Here, we provide two examples from biomedical challenges: unravelling the... Read More about Correlative Spectromicroscopy and Tomography for Biomedical Applications involving Electron, Ion, and Soft X-ray Microscopies.

Nanoparticle-mediated magnetic hyperthermia is an effective method for killing the human-infective protozoan parasite Leishmania mexicana in vitro (2019)
Journal Article
Berry, S., Walker, K., Hoskins, C., Telling, N., & Price, H. (2019). Nanoparticle-mediated magnetic hyperthermia is an effective method for killing the human-infective protozoan parasite Leishmania mexicana in vitro. Scientific reports, 9, Article 1059. https://doi.org/10.1038/s41598-018-37670-9

Cutaneous leishmaniasis is a neglected tropical disease characterized by disfguring skin lesions. Current chemotherapeutic options depend on toxic, expensive drugs that are both difcult to administer and becoming less efective due to increasing level... Read More about Nanoparticle-mediated magnetic hyperthermia is an effective method for killing the human-infective protozoan parasite Leishmania mexicana in vitro.

The potential of magnetic hyperthermia for triggering the differentiation of cancer cells (2018)
Journal Article
Moise, S., Byrne, J. M., El Haj, A. J., & Telling, N. D. (2018). The potential of magnetic hyperthermia for triggering the differentiation of cancer cells. Nanoscale, 10(44), 20519-20525. https://doi.org/10.1039/c8nr05946b

Magnetic hyperthermia is a potential technique for cancer therapy that exploits heat generated by magnetic nanoparticles to kill cancerous cells. Many studies have shown that magnetic hyperthermia is effective at killing cancer cells both in vitro an... Read More about The potential of magnetic hyperthermia for triggering the differentiation of cancer cells.

Alternating current (AC) susceptibility as a particle-focused probe of coating and clustering behaviour in magnetic nanoparticle suspensions. (2018)
Journal Article
Narayanasamy, K. K., Cruz-Acuña, M., Rinaldi, C., Everett, J., Dobson, J., & Telling, N. (2018). Alternating current (AC) susceptibility as a particle-focused probe of coating and clustering behaviour in magnetic nanoparticle suspensions. Journal of Colloid and Interface Science, 532, 536 - 545. https://doi.org/10.1016/j.jcis.2018.08.014

HYPOTHESIS: The functionality of magnetic nanoparticles (MNPs) relies heavily on their surface coating, which in turn affects the interactions between MNPs, and the formation of single-core particles or multi-core clusters. In this study we assessed... Read More about Alternating current (AC) susceptibility as a particle-focused probe of coating and clustering behaviour in magnetic nanoparticle suspensions..

Nanoscale synchrotron X-ray speciation of iron and calcium compounds in amyloid plaque cores from Alzheimer’s disease subjects (2018)
Journal Article
Everett, J., Collingwood, J. F., Tjendana-Tjhin, V., Brooks, J., Lermyte, F., Plascencia-Villa, G., …Telling, N. D. (2018). Nanoscale synchrotron X-ray speciation of iron and calcium compounds in amyloid plaque cores from Alzheimer’s disease subjects. Nanoscale, 10(25), 11782-11796. https://doi.org/10.1039/c7nr06794a

Altered metabolism of biometals in the brain is a key feature of Alzheimer's disease, and biometal interactions with amyloid-ß are linked to amyloid plaque formation. Iron-rich aggregates, including evidence for the mixed-valence iron oxide magnetite... Read More about Nanoscale synchrotron X-ray speciation of iron and calcium compounds in amyloid plaque cores from Alzheimer’s disease subjects.

Translation of remote control regenerative technologies for bone repair. (2018)
Journal Article
Markides, H., McLaren, J. S., Telling, N. D., Alom, N., Al-Mutheffer, E. A., Oreffo, R. O., …El Haj, A. J. (2018). Translation of remote control regenerative technologies for bone repair. npj Regenerative Medicine, 3, Article 9. https://doi.org/10.1038/s41536-018-0048-1

The role of biomechanical stimuli, or mechanotransduction, in normal bone homeostasis and repair is understood to facilitate effective osteogenesis of mesenchymal stem cells (MSCs) in vitro. Mechanotransduction has been integrated into a multitude of... Read More about Translation of remote control regenerative technologies for bone repair..

Dynamical Magnetic Response of Iron Oxide Nanoparticles Inside Live Cells (2018)
Journal Article
Cabrera, D., Coene, A., Leliaert, J., Artés-Ibáñez, E. J., Dupré, L., Telling, N. D., & Teran, F. J. (2018). Dynamical Magnetic Response of Iron Oxide Nanoparticles Inside Live Cells. ACS nano, 12(3), 2741-2752. https://doi.org/10.1021/acsnano.7b08995

Magnetic nanoparticles exposed to alternating magnetic fields have shown a great potential acting as magnetic hyperthermia mediators for cancer treatment. However, a dramatic and unexplained reduction of the nanoparticle magnetic heating efficiency h... Read More about Dynamical Magnetic Response of Iron Oxide Nanoparticles Inside Live Cells.