KOL | Christos M MichailDepartment of Biomedical Engineering, Radiation Physics, Materials Technology and Biomedical Imaging Laboratory, University of West Attica, Ag. Spyridonos, 12210 Athens, ... |
KOL Resume for Christos M Michail
| Year | |
|---|---|
| 2021 | Department of Biomedical Engineering, Radiation Physics, Materials Technology and Biomedical Imaging Laboratory, University of West Attica, Ag. Spyridonos, 12210 Athens, Greece |
| 2020 | Department of Biomedical Engineering, Radiation Physics, Materials Technology and Biomedical Imaging Laboratory, University of West Attica, Ag. Spyridonos, 12210 Athens, Greece;, (V.K.);, (N.M.);, (N.K.);, (I.K.);, (G.F.);, (I.V.) University of Patras |
| 2019 | Radiation Physics, Materials Technology, and Biomedical Imaging Laboratory, Department of Biomedical Engineering, University of West Attica, 122 10 Athens, Greece;, (C.M.);, (N.K.);, (G.F.);, (I.K.) Dept. of Biomedical Engineering, University of West Attica, Athens, Greece |
| 2018 | Radiation Physics, Materials Technology and Biomedical Imaging Laboratory, Department of Biomedical Engineering, Technological Educational Institute of Athens, Egaleo, 122 10 Athens, Greece |
| 2017 | Department of Biomedical Engineering, Technological Educational Institute of Athens, Egaleo, 122 10 Athens, Greece |
| 2016 | Radiation Physics, Materials Technology and Biomedical Imaging Laboratory, Department of Biomedical Engineering, Technological Educational Institute of Athens, Egaleo, 122 10, Athens, Greece |
| 2015 | Department of Biomedical Engineering, Technological Educational Institute of Athens, 12210 Egaleo Athens, Greece |
| 2014 | Department of Biomedical Engineering, Technological Educational Institution of Athens, Egaleo, 122 10 Athens, Greece |
| 2013 | Department of Medical Instruments Technology, Technological Educational Institute of Athens, 122 10 Athens, Greece |
| 2012 | Technological Educational Institute (TEI) of Athens/Department of Medical Instruments Technology, Ag. Spyridonos, 12210 Athens, Greece |
| 2011 | Department of Medical Instruments Technology, Technological Educational Institution of Athens, Ag. Spyridonos Street, Aigaleo, 122 10, Athens, Greece |
| 2010 | Department of Medical Physics, Faculty of Medicine, University of Patras, 265 00 Patras, Greece |
| 2009 | Department of Medical Physics, Medical School, University of Patras, 265 00 Patras, Greece, |
| 2008 | Department of Medical Physics, Medical School, University of Patras, Patras, Greece |
| 2007 | CERN, Geneva, Switzerland Department of Medical Physics, School of Medicine, University of Patras, Patra, Greece |
| 2006 | Technological Educational Institution of Athens, Department of Medical Instruments Technology, Egaleo, 12210, Athens, Greece Dept. of Med. Phys., Patras Univ. |
Christos M Michail: Influence Statistics
| Concept | World rank |
|---|---|
| 100 μm increments | #1 |
| calcifications smaller | #1 |
| uteric stones | #1 |
| kidney uteric stones | #1 |
| calcification minerals masses | #1 |
| calcium oxalate thicknesses | #1 |
| visualization calcification minerals | #1 |
| kidney uteric | #1 |
| uteric | #1 |
| order calcification minerals | #1 |
| stones atherosclerotic | #1 |
| common mineral crystals | #1 |
| simulation studies optimizations | #1 |
| oxalate thicknesses | #1 |
| moderate imaging properties | #2 |
| 12015 international | #2 |
| sensor gd | #2 |
| thicknesses 357 | #2 |
| 357 712 | #2 |
| phosphor technology sedimentation | #2 |
| prcef powder | #2 |
| xray sensor cmos | #2 |
| screen cmos | #2 |
| irradiated rqa5 | #2 |
| cmos gd2o2s | #2 |
| measured slanted | #2 |
| rqa5 iec | #2 |
| published scintillators | #2 |
| low contrast scheme | #3 |
| product printer accuracy | #3 |
| coupled gd2o2s | #3 |
| excellent matched | #3 |
| property stp | #3 |
| emitted crystals | #3 |
| geeetech | #3 |
| low contrast paradigm | #3 |
| qde energy | #3 |
| phantom printer | #3 |
| mammographic detector | #3 |
| fdg bath | #3 |
| 100 printing density | #3 |
| transforming uniformly | #3 |
| custom gadolinium | #3 |
| powder granular gd | #3 |
| powder scintillators | #3 |
| selfassembled printer | #3 |
| dqe investigated | #3 |
| gd 2 kev | #3 |
| phantom semiautomatic | #3 |
| plaques hydroxyapatite | #3 |
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Prominent publications by Christos M Michail
The aim of the present study was to investigate the absolute luminescence efficiency (AE) of mixed oxyorthosilicate (Lu,Gd)2SiO5:Ce (LGSO:Ce) single crystals, under X-ray irradiation. Six (Lu,Gd)2SiO5:Ce crystal samples, with dimensions of 3 × 3 × 5, 3 × 3 × 6, 3 × 3 × 10, 3 × 3 × 15, 10 × 10 × 10 and 10 × 10 × 20 mm3 were examined. The light emitted by the crystals, was evaluated by performing measurements of the AE under X-ray exposure conditions, with tube voltages ranging from 50 to ...
| Known for 3 × | Luminescence Efficiency | Spectral Compatibility | Gso Lso | Lu Gd2sio5 |
The purpose of the present study was to determine the Detective Quantum Efficiency (DQE) of CMOS imaging detectors, coupled to structured CsI:Tl and Gd2O2S:Tb scintillating screens, following the new IEC 62220-1-1:2015 International Standard. DQE was assessed after the experimental determination of the Modulation Transfer Function (MTF) and the Normalized Noise Power Spectrum (NNPS) in the general radiography energy range. Two CMOS sensors were used; one with a pixel size of ...
| Known for International Standard | Detective Quantum Efficiency | Iec 62220 | Spatial Frequencies | 1 12015 |
Nanocrystallic europium-activated lutetium oxide (Lu2O3:Eu) is a strong candidate for use in digital medical imaging applications, due to its spectroscopic and structural properties. The aim of the present study was to investigate the imaging and efficiency properties of a 33.3mg/cm2 Lu2O3:Eu scintillating screen coupled to a high resolution RadEye HR CMOS photodetector under radiographic imaging conditions. Since Lu2O3:Eu emits light in the red wavelength range, the light emission ...
| Known for Imaging Performance | Light Emission | Gd2o2s Screen | Energy Range | Absolute Efficiency |
Light emission efficiency and imaging performance of Gd2O2S:Eu powder scintillator under x‐ray radiography conditions
[ PUBLICATION ]
PURPOSE: To evaluate Gd2O2S:Eu powder phosphor as a radiographic image receptor and to compare it to phosphors often used in radiography. Gd2O2S:Eu is nonhygroscopic, emitting red light with decay time close to that of Gd2O2S:Tb.
METHODS: The light intensity emitted per unit of x-ray exposure rate (absolute luminescence efficiency) was measured for laboratory prepared screens with coating thicknesses of 33.1, 46.4, 63.1, 78.3, and 139.8 mg/cm2 and tube voltages ranging from 50 to 140 ...
| Known for Imaging Performance | Light Emission Efficiency | Mtf Dqe | Radiography Conditions | Tube Voltages |
Evaluation of the imaging performance of LSO powder scintillator for use in X-ray mammography
[ PUBLICATION ]
The aim of the present study was to evaluate the imaging performance of Lu2SiO5:Ce (LSO:Ce) powder scintillator for use in X-ray detectors used in mammography. LSO:Ce scintillator is a high efficiency, fast emitting material, which in single-crystal form is used in positron emission tomography detectors. A scintillating screen, with a coating thickness of 25mg/cm2, was prepared in our laboratory from commercially available LSO:Ce powder (Phosphor Technology Ltd.). The imaging performance ...
| Known for Imaging Performance | Powder Scintillator | Lso Mtf | Ray Mammography | Screen Irradiation |
Experimental and Theoretical Evaluation of a High Resolution CMOS Based Detector Under X-Ray Imaging Conditions
[ PUBLICATION ]
Fundamental imaging performance in terms of Modulation Transfer Function (MTF), Noise Power Spectrum (NPS) and Detective Quantum Efficiency (DQE) was investigated for a high resolution CMOS based imaging sensor. The device consists of a 33.91 ${\rm mg}/{\rm cm}^{2} {\rm Gd}_{2} {\rm O} _{2} {\rm S}$ :Tb scintillator screen, placed in direct contact with a CMOS photodiode array. The CMOS photodiode array, featuring 1200×1600 pixels with a pixel pitch of 22.5 $\mu {\rm m}$, was used as an ...
| Known for Mtf Dqe | Ray Imaging | Resolution Cmos | Image Quality | Direct Contact |
The present study is a comparative investigation of the luminescence properties of (Lu,Y)(2)SiO(5):Ce (LYSO:Ce), Lu(2)SiO(5):Ce (LSO:Ce), Gd(2)SiO(5):Ce (GSO:Ce) and (Bi(4)Ge(3)O(12)) BGO single crystal scintillators under medical X-ray excitation. All scintillating crystals have dimensions of 10 x 10 x 10 mm(3) are non-hygroscopic exhibiting high radiation absorption efficiency in the energy range used in medical imaging applications. The comparative investigation was performed by ...
| Known for Luminescence Properties | Ray Imaging | Single Crystal | Spectral Compatibility | Energy Range |
Absolute Luminescence Efficiency of Europium-Doped Calcium Fluoride (CaF2:Eu) Single Crystals under X-ray Excitation
[ PUBLICATION ]
The absolute luminescence efficiency (AE) of a calcium fluoride (CaF2:Eu) single crystal doped with europium was studied using X-ray energies met in general radiography. A CaF2:Eu single crystal with dimensions of 10 × 10 × 10 mm3 was irradiated by X-rays. The emission light photon intensity of the CaF2:Eu sample was evaluated by measuring AE within the X-ray range from 50 to 130 kV. The results of this work were compared with data obtained under similar conditions for the commercially ...
| Known for Single Crystal | Calcium Fluoride | Luminescence Efficiency | 10 × | Spectral Compatibility |
Measurement of the luminescence properties of Gd2O2S:Pr,Ce,F powder scintillators under X-ray radiation
[ PUBLICATION ]
The aim of the present study was to investigate the absolute luminescence efficiency of gadolinium oxysulfide powder scintillators, doped with praseodymium, cerium and fluorine (Gd2O2S:Pr,Ce,F). Gd2O2S:Pr,Ce,F is a non-hygroscopic material, emitting green light with short decay time. For the purposes of this study, two scintillating screens with coating thicknesses 35.7 and 71.2 mg/cm2, were prepared in our laboratory from Gd2O2S:Pr,Ce,F powder (Phosphor Technology, Ltd) by sedimentation ...
| Known for Absolute Efficiency | Luminescence Properties | Spectral Compatibility | Tube Voltages | 90 Kvp |
Efficiency of Lu2SiO5:Ce (LSO) powder phosphor as X-ray to light converter under mammographic imaging conditions
[ PUBLICATION ]
The aim of the present study was to examine the light emission efficiency of Lu2SiO5:Ce (LSO) powder scintillator under X-ray mammographic imaging conditions. Powder LSO scintillator has never been used in X-ray imaging. For the purposes of the present study, a 25mg/cm2 thick scintillating screen was prepared in our laboratory, by sedimentation of Lu2SiO5:Ce powder. Absolute luminescence efficiency measurements were performed within the range of X-ray tube voltages (22–49kVp) used in ...
| Known for Powder Scintillator | Optical Detectors | Light Emission | Spectral Compatibility | Lu2sio5 Lso |
Experimental measurement of a high resolution CMOS detector coupled to CsI scintillators under X-ray radiation
[ PUBLICATION ]
The purpose of the present study was to assess the information content of structured CsI:Tl scintillating screens, specially treated to be compatible to a CMOS digital imaging optical sensor, in terms of the information capacity (IC), based on Shannon's mathematical communication theory. IC was assessed after the experimental determination of the Modulation Transfer Function (MTF) and the Normalized Noise Power Spectrum (NNPS) in the mammography and general radiography energy range. The ...
| Known for Cmos Sensor | Mtf Nnps | Scintillating Screens | Exposure Range | Direct Contact |
Studying the luminescence efficiency of Lu2O3:Eu nanophosphor material for digital X-ray imaging applications
[ PUBLICATION ]
Scintillator materials are widely used in X-ray medical imaging detector applications, coupled with available photoreceptors like radiographic film or photoreceptors suitable for digital imaging like a-Si, charge-coupled devises (CCD), complementary metal-oxide-semiconductors (CMOS) and GaAs). In addition, scintillators can be utilized in non-medical imaging detectors such as industrial detectors for non-destructive testing (NDT) and detectors used for security purposes (i.e. airport ...
| Known for Luminescence Efficiency | Ray Imaging | Optical Photons | Spectral Compatibility | Image Quality |
The aim of the present study was to investigate the luminescence efficiency (XLE) of gadolinium aluminum perovskite (GdAlO3:Ce) powder scintillator. This powder phosphor, also known as GAP:Ce scintillator, is a non-hygroscopic material, emitting blue light with short decay time. For the purposes of this study, five scintillating screens with coating thicknesses, 14.7, 31.0, 53.7, 67.2 and 121.1mg/cm2, were prepared in our laboratory from GdAlO3:Ce powder (Phosphor Technology, Ltd) by ...
| Known for Luminescence Efficiency | Spectral Compatibility | Tube Voltages | Phosphor Technology | Silica Substrates |
Imaging performance and light emission efficiency of Lu2 SiO5:Ce (LSO:Ce) powder scintillator under X-ray mammographic conditions
[ PUBLICATION ]
The aim of the present study was to measure the imaging transfer characteristics and the luminescence efficiency (XLE) of a Lu2SiO5:Ce (LSO:Ce) powder scintillator for use in X-ray mammography detectors. An LSO:Ce powder scintillating screen, with a coating thickness of 25 mg/cm2, was prepared in our laboratory. The imaging performance of the screen was assessed by experimental determination of the modulation transfer function (MTF) and the detective quantum efficiency (DQE) as well as ...
| Known for Imaging Performance | Powder Scintillator | Light Emission Efficiency | Dqe Values | Theoretical Model |
Key People For Luminescence Efficiency
Christos M Michail:Expert Impact
Concepts for whichChristos M Michailhas direct influence:Luminescence efficiency, Imaging performance, Image quality, Medical imaging, Pet scanners, Spectral compatibility, Luminescence properties, Single crystal.
Christos M Michail:KOL impact
Concepts related to the work of other authors for whichfor which Christos M Michail has influence:Luminescence efficiency, Scintillation properties, Imaging performance, Image quality, Digital mammography, Single crystals, Modulation transfer function.
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