Search Results - "Spyrou, N"

Proposal of a flash flood impact severity scale for the classification and mapping of flash flood impacts by Diakakis, M., Deligiannakis, G., Antoniadis, Z., Melaki, M., Katsetsiadou, N.K., Andreadakis, E., Spyrou, N.I., Gogou, M.

“…•We propose a 10-class flash flood impact severity scale.•The proposed severity scale is applied in the impacts of a catastrophic flash flood.•The proposed…”
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An integrated approach of ground and aerial observations in flash flood disaster investigations. The case of the 2017 Mandra flash flood in Greece by Diakakis, M., Andreadakis, E., Nikolopoulos, E.I., Spyrou, N.I., Gogou, M.E., Deligiannakis, G., Katsetsiadou, N.K., Antoniadis, Z., Melaki, M., Georgakopoulos, A., Tsaprouni, K., Kalogiros, J., Lekkas, E.

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Radiation protection in fixed PET/CT facilities—design and operation by PEET, D. J, MORTON, R, HUSSEIN, M, ALSAFI, K, SPYROU, N

“…We describe the design of a fixed positron emission tomography (PET)/CT facility and the use of a simulated instantaneous dose-rate plot to visually highlight…”
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Glass beads and Ge-doped optical fibres as thermoluminescence dosimeters for small field photon dosimetry by Jafari, S M, Alalawi, A I, Hussein, M, Alsaleh, W, Najem, M A, Hugtenburg, R P, Bradley, D A, Spyrou, N M, Clark, C H, Nisbet, A

“…An investigation has been made of glass beads and optical fibres as novel dosimeters for small-field photon radiation therapy dosimetry. Commercially available…”
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Determination of cadmium and zinc in Alzheimer's brain tissue using Inductively Coupled Plasma Mass Spectrometry by Panayi, A.E., Spyrou, N.M., Iversen, B.S., White, M.A., Part, P.

“…In this work, brain tissue was taken from Alzheimer's Disease (AD) subjects ( n=11), ‘normal’ subjects ( n=10) and from subjects with senile involutive…”
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Energy response of glass bead TLDs irradiated with radiation therapy beams by Jafari, S.M., Jordan, T.J., Hussein, M., Bradley, D.A., Clark, C.H., Nisbet, A., Spyrou, N.M.

“…Glass beads are a novel TL dosimeter in radiotherapy. An important characteristic of TL dosimeters is their energy response, especially when intended for use…”
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The physical characteristics of the 15 MV Varian Clinac 2100C unflattened beam by Najem, MA, Spyrou, N M, PodolyA!k, Z, Abolaban, F A

“…A 15 MV photon beam of a Varian Clinac 2100C medical linear accelerator operating with and without a flattening filter was simulated using the Monte Carlo code…”
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Critical Analysis on Two-Dimensional Point-to-Plane Streamer Simulations Using the Finite Element and Finite Volume Methods by Ducasse, O., Papageorghiou, L., Eichwald, O., Spyrou, N., Yousfi, M.

“…Two different categories of high-order numerical methods are adopted for the electro-hydrodynamic modeling of the streamer: the finite-element method (FEM)…”
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Monte Carlo study of photoneutron production in the Varian Clinac 2100C linac by Ma, A., Awotwi-Pratt, J., Alghamdi, A., Alfuraih, A., Spyrou, N. M.

“…Medical linear accelerators (linacs) are used extensively in modern radiotherapy for their flexibility and versatility. As the treatment regime moves from…”
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Epigastric electrical impedance for the quantitative determination of the gastric acidity by Giouvanoudi, A C, Spyrou, N M

“…Electrical impedance measurements have been used by scientists since the 1980s to investigate the gastric function. In this work, these measurements were…”
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Assessment of the Lake Gendabi salt for trace elements and toxic heavy metals by energy dispersive X-ray fluorescence spectrometry by Lugendo, I., Mohammed, N. K., Mussa, L. M., Spyrou, N. M.

“…This study has analyzed samples of salts from Lake Gendabi, located in the northern part of Tanzania for metal contamination using the EDXRF spectrometry. The…”
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Radioanalytical and imaging techniques: Challenges and opportunities in biomedical applications by Spyrou, N. M.

“…Where human health worldwide is under threat, radioanalytical and imaging scientists are expected to make significant difference and contribution. Diabetes,…”
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Guided Propagation of Excited Species Produced by Microjet Plasma by Gkelios, A., Svarnas, P., Clement, F., Spyrou, N.

“…The outlet of a plasma microjet system operating with noble gases at atmospheric pressure is connected to dielectric guides, and the transfer of excited…”
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Titanium alloy surface treatment using an atmospheric plasma jet in nitrogen pulsed discharge conditions by Panousis, E., Clément, F., Loiseau, J.-F., Spyrou, N., Held, B., Larrieu, J., Lecoq, E., Guimon, C.

“…This experimental work deals with the surface treatment of TiA6V4 titanium alloy using an atmospheric pressure plasma jet generated by a DBD discharge in…”
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Trace elemental analysis of rice grown in two regions of Tanzania by Mohammed, N. K., Spyrou, N. M.

“…The concentrations of elements in rice, locally cultivated in two regions of Tanzania (Mbeya and Morogoro), were determined using Instrumental Neutron…”
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Preliminary investigations of two types of silica-based dosimeter for small-field radiotherapy by Alalawi, Amani I., Jafari, S.M., Najem, M.A., Alsaleh, W., Clark, C.H., Nisbet, A., Abolaban, F., Hugtenburg, R.P., Hussein, M., Alzimami, Khalid S., Bradley, D.A., Spyrou, N.M.

“…Two thermoluminescent dosimeters (SiO2–GeO2 doped fibres and glass beads (GB)) were used to measure small photon field doses and compared against GAFCHROMIC…”
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Determination of depth of a radionuclide source in a tissue equivalent phantom by Aldousari, H., Alkhorayef, M., Highgate, D. J., Kacperek, A., Spyrou, N. M.

“…Hydrophilic materials which refer to a group of cross-linked polymers originally developed in the 60s to produce soft contact lenses are characterised by an…”
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Modification of Point-to-Plane DC Discharge During Thin-Film Polymer Treatment by Svarnas, P., Spyrou, N., Pyrgioti, E., Held, B.

“…Point-to-plane dc glow discharge has been proposed as an efficient medium for polymer treatment in terms of surface chemistry. However, this discharge is…”
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Elemental analysis of hair using PIXE-tomography and INAA by Beasley, D., Gomez-Morilla, I., Spyrou, N.

“…3D quantitative elemental maps of a section of a strand of hair were produced using a combination of PIXE-Tomography and simultaneous On/Off Axis…”
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Investigation of LaBr3:Ce probe for gamma-ray spectroscopy and dosimetry by Maghraby, Ahmed M., Alzimami, K.S., Alkhorayef, M.A., Alsafi, K.G., Ma, A., Alfuraih, A.A., Alghamdi, A.A., Spyrou, N.M.

“…The main thrust of this work is the investigation of performance of relatively new commercial LaBr3:Ce probe (Inspector 1000™ with LaBr3:Ce crystal) for…”
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