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Radiation Protection and Radioecology

Comparative radiological impact assessment in areas of elevated natural radioactivity in Greece and Serbia.
H. Florou, S. Dragovic, G. Trabidou, M. Cujic, P. Kritidis, J. Petrovic, M. Sotiropoulou, J. kovacevic, 2013. Chem. Ind. (submitted).

Species-depending bioaccumulation of 137Cs and natural radionuclides in Basidiomycetes from Greece.
Kioupi V., Florou H., Kapsanaki E., Gonou E., 2013. Journal of Environmental Radioactivity (under amendment).

Spatial distribution and mobility of organic carbon (POC and DOC) in a coastal Mediterranean environment (Saronicos Gulf, Greece) during 2007 - 2009 period.
Evangeliou N. and Florou H., 2013. Environmental Science and Pollution Research, 20, 5708-5721.

Cs-137 in marine sediments of the Greek marine environment from the pre-Chernobyl age to the present.
Evangeliou, N., Florou H. and Kritidis, P., 2013. Environmental Science and Technology Letters.

Environmental measurements and inspections on imported foods and feedstuffs in Greece after the Fukushima accident.
Constantinos Potiriadis, Marios J Anagnostakis, Alexandros Clouvas, Konstantinos Eleftheriadis, Heleni Florou, Christos Housiadas, Konstantinos Ioannides, Alexandra Ioannidou, Dimitrios Karangelos, Konstantinos Karfopoulos, Konstantina Kehagia, Maria Kolovou, Panagiotis Kritidis, Metaxia Manolopoulou, Konstantinos Papastefanou, Marilia Savva, Simos Simopoulos, Konstantinos Stamoulis, Stelios Stoulos, Stelios Xanthos, Dimitrios Xarchoulakos, 2013.
Radiation Protection Dosimetry (2013) Vol.156, No. 4, pp 465-474.

Evaluation of processes occurring in the Bottom Nepheloid Layer (BNL) of an eastern Mediterranean area using 234Th/238U disequilibria.
Evangeliou, N. and Florou, H., 2013,
Environmental Monitoring and Assessment.

Size-fractionated POC fluxes estimated using 234Th/238U disequilibria in an enclosed region of Eastern Mediterranean during a bloom event.
Evangeliou N., Florou H., Psomiadou Ch., 2013. Fresenius Environmental Bulletin, 185, 7097-7113.

The dispersion of 137Cs in a shallow Mediterranean embayment (Saronikos Gulf – Elefsis Bay), estimated inventories and residence times.
Evangeliou N. and Florou H., 2012. Journal of Environmental Radioactivity, 113, 87-97.

Distribution of low-level natural radioactivity in a populated marine region of Eastern Mediterranean Sea.
Evangeliou N., Florou H., Kritidis P., 2012. Radiation Protection Dosimetry ,152 (4), 345-360.
http://dx.doi.org/10.1093/rpd/ncs057 .

Radioactive pollution in Athens, Greece due to the Fukushima nuclear accident.
Kritidis P., Florou H., Eleftheriadis K., Evangeliou N., Gini M., Sotiropoulou M., Diapouli E., Vratolis, S., 2012. Journal of Environmental Radioactivity, 114, 100-104.
http://dx.doi.org/10.1016/j.jenvrad.2011.12.006 .

Distribution of natural radioactivity in sediment cores from Amvrakikos gulf (Western Greece) as part of IAEA’s campaign in Adriatic and Ionian Seas.
Tsabaris Ch., Evangeliou N., Fillis-Tsirakis E., Sotiropoulou M., Patiris D. and Florou H., 2011.  Radiation Protection Dosimetry, 150 (4) , 474-487. http://dx.doi.org/10.1093/rpd/ncr436 .

POC and particulate 234Th export fluxes estimated using 234Th/238U disequilibrium in an enclosed Eastern Mediterranean region (Saronikos Gulf and Elefsis Bay, Greece) in seasonal scale.
Evangeliou N., Florou H., Scoullos M., 2011.  Geochimica et Cosmochimica Acta, 75 (19), 5367-5388.

Indoor radon measurements in a Greek city located in the vicinity of lignite-fired power plants.
M. Manousakas, A. Fouskas, H. Papaefthymiou, V. Koukouliou, G. Siavalas, P. Kritidis, 2010. Radiation Measurements 45 (9) , 1060-1067

Modelling and assessment of pollutant impact on marine environments.
Psaltaki M., Florou H., Trabidou G., Markatos N., 2010.  ISBN ~ ISSN: 1790-5117, 978-960-474-151-9 , 176-180.

Estimation of dose rates to humans exposed to elevated natural through different pathways in the island of Ikaria, Greece.
Trabidou G. and Florou H., 2010. , Radiation Protection Dosimetry 142 (2-4), 378-384.

The concentration of 137Cs in the surface of the Greek Marine Environment.
Florou H., Nicolaou G., Evangeliou N., 2010.  Journal of Environmental Radioactivity 101 (8), 654-657.

Natural radioactivity as an impact factor in drinking water quality.
Trabidou G. and Florou H., 2010.  Desalination and Water Treatment 13 (2010) , 336-339.


A preliminary study of particle dynamics in the water column of Saronikos Gulf, Greece, by using Th-234/U-238 disequilibrium approach.
Evangeliou N., Florou H., Scoullos M., 2010.   Desalination and Water Treatment 13 (2010) , 290-302.

Genotoxic effects in Oligochaeta from areas of elevated natural and artificial radioactivity.
Florou H., Tsytsugina V., Polikarpov G. G., Vosniakos F. K., Evangeliou N, 2009.  Journal of Environmental Protection and Ecology 3 (2009) , 807-814.

Temporal and spatial distribution of 137Cs in Eastern Mediterranean Sea. Horizontal and vertical dispersion in two regions.
Evangeliou N., Florou H., Bokoros P., Scoullos M., 2009.  Journal of Environmental Radioactivity 100, 626-636.

Disequilibrium estimations in the U and Th series by using thick source alpha-particle spectroscopy.
CT. Michael, A. Hein, N. Zacharias and P. Kritidis. Radiation Measurements, Volume 43, Issues 2-6, February-June 2008 , 1149-1153

137Cs baseline levels in the Mediterranean and Black Sea: A cross-basin survey of the CIESM Mediterranean Mussel Watch Programme.
Thebault Herve, Alessia M. Rodriguez y Baena, Bruno Andral, Jose Benedicto Albaladejo, Alexandru Bologa, Victor Egorov, Heleni Florou, Tahar El Khoukhi Goran Kniewald, Abdelkader Noureddine, Mai Pham, Sayhan Topcuoglu and Michel Warnau, 2008.  Marine Pollution Bulletin 57 (2008) , 801-806.

An assessment of the external radiological impact in areas of Greece with elevated natural radioactivity.
Florou H., Trabidou G., Nikolaou G., 2007. Journal of Environmental Radioactivity 93 (2007) , 74-83.

The radiological evaluation of uranium, radium and radon in metallic and thermo-metallic springs in Ikaria Island, the eastern Aegean Sea, Greece.
Florou H., Kehagia K., Savidou T., Trabidou G., 2006.  Radioactivity in the Environment 8 (2006) , 235-242.

Study on the behavior of the heavy metals Cu, Cr, Ni, Zn, Fe, Mn and 137Cs in an estuarine ecosystem using Mytilus galloprovincialis as a bioindicator species: the case of Thermaikos gulf, Greece.
Catsiki V.A. and Florou H., 2006.  Journal of Environmental Radioactivity 86, 31-44.

Comparative assessment of natural radioactivity in fallout samples from Patras and Megalopolis, Greece.
H. Papaefthymioy, P. Kritidis, J. Anousus and J. Sarafidou, 2005. Journal of Environmental Radioactivity 78, 249-265.

Radiological impact in an area of elevated natural radioactive background: The case of Ikaria island - Aegean Sea - Greece.
Trabidou G. and Florou H., 2005  Elsevier ICS 1276 (2005) , 390-391. 

Multi-aberrant cells and pycnotic nuclei in hydro-biota from a region of elevated natural radioactivity.
Tsytsugina V., Florou H., Polikarpov G. G., 2005.  Marine Ecological Journal ISSN – 1557 (2005) Vol. IV No 1 , 84-89.

Determination of radionuclides in Mytilus galloprovicialis by alpha and gamma-spectroscopy.
Florou H., Kehagia K., Chaloulou Ch., Koukouliou V., Lykomitrou Ch., 2004.  Mediterranean Marine Science Vol. 5/1, 2004 , 117-123.

Distribution coefficients and concentration factors of 226Ra and 228Th in the Greek marine environment.
Trabidou G., Florou H., Kritidis P., Chaloulou Ch., Lykomitrou Ch., 2005.  Radioactivity in the Environment Vol. 7, 1167-1176.

Field observations of the effects of protracted low levels of ionizing radiation on natural aquatic population by using a cytogenetic tool.
Florou H., Tsytsugina V., Polikarpov G. G., Trabidou G, Gorbenko V. V., Chaloulou Ch., 2004.  Journal of Environmental Radioactivity Vol 75/3 , 267-283.

Cytogenetic studies of marine organisms in areas of elevated natural radionuclide contents.
Tsytsugina V., Florou H., Polikarpov G. G., Chaloulou Ch., Gorbenko V., 2004. Dopovidi Akademii Nank Ukrainy ISSN 1025-6415, V No 1 2004. 

Caesium-137 in the Eastern Mediterranean and the Black Sea - the time evolution in relation to the sources and pathways.
Florou H., Kritidis P., Vosniakos F., Triantafyllis J., Delfanti R., Papucci C., Cigna A., Polikarpov G. G., Egorov V. N., Bologa A. S., Patrasku V., 2003. Fresenius Environmental Bulletin, Vol. 12, No 1 (2003) , 3-9.
http://www.psp-parlar.de/feb_auswahl.asp (January 2003) 

Indoor radon levels and influencing factors in houses of Patras, Greece.
H. Papaefthymiou, A. Mavroudis, P. Kritidis, 2003. Journal of Environmental Radioactivity, 66 (3) , 247-260

Soil erosion and deposition rates in a cultvated catchment are in Central Greece, estimated using the 137Cs technique.
Theocharopoulos S. P., Florou H., Walling D. E., Kalantzakos H., Christou M., Tountas P., Nikolaou T., 2002.  Soil and Tillage Research 1758 (2002) , 1-10.

Radiological impact of the Chernobyl accident in Greece – A ten year retrospective synopsis.
Kritidis P. and Florou H., 2001.  Health Physics 80(5) , 440-446.

Attashment coefficient of 211Pb on polydisperse aerosol.
Eleftheriadis K. and Kritidis P., 2001. J. Aerosol Science 32, 583-584

The impact of the Chernobyl accident – Model conclusions and the related risk in Europe.
Kritidis P., Florou H. And Chaloulou Ch., 2000. Journal of Environmental Protection and Ecology 1, No 3 , 260-266.

Use of 137Cs for measuring soil erosion studies in Central Greece.
S.P. Theocharopoulos, H. Florou, P. Kritidis, D. Belis, F. Tsouloucha, M. Christou, P. Kouloumbis and T. Nikolaou, 2000. Acta Geologica Hispanica, 35 , 3-4,  301-310.

Diffusion model of radon exhalation rates.

M. Antonopoulos-Domis, P. Kritidis and C. Raptis. 1998. Health Phys. 74 No 5, 574-580

Trace elements and radioactivity in aerosol particles, produced in the area of Ptolemais
Kallithrakas-Kontos N, Zoumi K, Nikolakaki S, P. Kritidis, 1998. Journal of Radioanalytical and Nuclear Chemistry 227: (1-2) 61-65

Fish as bioindicators of radiocaesium pollution in aquatic environment in Greece.
Florou H. and Ch. Chaloulou 1997. Fresenius Environ Bull Vol. 6 , 9-15.

Radiological assessment of the impact of the Chernobyl nuclear accident in Greece.
Kritidis P., Chaloulou Ch., Florou H., 1996. Fresenius Environ Bull Vol. 5 , 729-734.

Measurement of 222Rn in soil gas by
combination of thermoluminescent and solid-state nuclear track detectors.
D. Pressyanov, M. Guelev, D. Klein, P. Kritidis 1996. Environment
International 22(1), S491-S493.

Statistical precision of integratedmeasurements of 222Rn and 220Rn decay products in the air by a rotating filter device.
D. Pressyanov, M. Guelev, O. Pentchev, P. Kritidis 1996.  
Environment International 22(1), S607-S610.

137Cs in abiotic component and biota from the Aegean and Ionian Sea - Greece.
Florou H., 1996. Chemistry and Ecology Vol.12 No 4 , 253-258.

Natural Radioactivity and Radon Exhalation from Building Materials Used in Attica Region, Greece.
A. Savidou, C. Raptis and P. Kritidis, 1995. Radiation Protection Dosimetry 59(4) , 309-312.

90Sr activity in monthly milk samples in Greece.
Florou H., Savidou A., Chaloulou Ch. 1995. Journal of Dairy Science Vol. 79 , 1679-1682.

Environmental study of radioactivity of the spas in island of Ikaria.
Trabidou G., Florou H., Angelopoulos A., Sakelliou L., 1995. Radiation protection Dosimetry Vol. 63 (1) , 63-67.

Environmental study of radioactive caesium in Greek lake fish after the Chernobyl accident.
Kritidis P. and Florou H., 1995. Journal of Environmental Radioactivity Vol. 28 (3) , 285-293.

The dispersion of 137Cs in the Aegean Sea.
Florou H. and Kriridis P., 1994. Radiochimica Acta 66/67 , 415-417.

Copper, cadmium and iron in marine organisms in a eutrophic estuarine area (Amvrakikos gulf, Ionian sea, Greece)
P. Panayotidis and H. Florou, 1994. Toxicological & Environmental Chemistry 45 (3-4) , 211-219

Indoor radon concentrations in Athens determined with an optimised etched track detector technique.
P. Kritidis, V. Kamenopoulou, N. Kallithrakas - Kontos, 1994, Radiat. Prot. Dosim. 55 (2) ,149-152.

The exposure of the Greek population to gamma-radiation of terrestrial origin.
M.Probonas and P.Kritidis, 1993, Radiat. Prot. Dosim. 46 (2) , 123-126 .

Optimisation of the counting time for determination of 222Rn daughters.
D.S. Pressianov, I.P. Uzunov and P.P. Kritidis, 1993, Nucl. Instr. and Meth. in Phys. Res. A326 , 613-614.

Individual and social risk due to natural and artificial environmental radioactivity in Greece.
P.Kritidis and J.Kollas, 1992, Radiat. Prot. Dosim. 45, (1-4) , 673-675

"Ratios of Strontium-85 tocations for crops and soils of Greece".
E.Papanicolaou, K.Apostolakis, V.Skarlou, A.Nobeli and P.Kritidis (1992) , 
J. Agric. Sci., Cambr. 119, 83-87.

Gamma radiation measurements and dose rates in the coastal areas of a volcanic island, Aegean Sea, Greece.
Florou H. and Kritidis P., 1992. Radiation Protection Dosimetry 45 (1-4) , 277-279.

Problems related to the evaluation of critical group doses
P. Kritidis,1991. Radiation Protection Dosimetry 36 (2-4) , 285-288.

Natural radioactivity in environmental samples from an island of volcanic origin (Milos, Aegean sea).
Florou H. and Kritidis P., 1991. Mar. Poll. Bull. 22 (8) , 417-419.

The contribution of fish consumption to the dose received by the Greek population due to the Chernobyl accident.
Kritidis P., Florou H. and Synetos S., 1990. Thalassographica Vol 13 Suppl. , 43-47.

Delayed and late impact of the Chernobyl accident on the Greek environment.
Kritidis P., Florou H. and Papanicolaou E., 1990.  Radiation Protection Dosimetry (30) , 187-190.

Concentrations of 222Rn and its short-lived decay products in a
number of Greek radon spas.
P. Kritidis and P. Angelou, 1986. Nucl. Instr. and Methods in Phys. Res. B17, 537-539.

Gamma Spectroscopy in marine sediments and organisms form a mining waste deposition area.
H. Florou and P. Kritidis, 1986. Thalassographica 9(2), 23-28.

Precision alpha-counting methods for determination of radon daughters in air.
P. Kritidis, I. Uzunov and L. Minev, 1977. Nucl. Instr. and Methods 143,  299-305.