Faculty Profiles - ISHIKAWA Tetsuo

Papers - ISHIKAWA Tetsuo

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Changes in peripheral blood test results among adults in the six years following the Great East Japan Earthquake: the Fukushima Health Management Survey.

Sakai A, Nakano H, Hashimoto K, Okazaki K, Nagao M, Shimabukuro M, Ohira T, Ishikawa T, Tsubokura M, Hosoya M, Takahashi A, J Kazama J, Hashimoto S, Watanabe K, Kobashi G, Satoh H, Takahashi H, Hayashi F, Sato S, Ohto H, Yasumura S

Fukushima journal of medical science 2025.4（ ISSN:0016-2590 ）

Response to the letter of Midorikawa et al.

Takahashi H, Yasumura S, Takahashi K, Ohira T, Shimura H, Ohto H, Suzuki S, Suzuki S, Ishikawa T, Suzuki S, Ma E, Nagao M, Yokoya S, Kamiya K

EClinicalMedicine 80 103059 2025.2

Merging of the Fukushima Health Management Survey With the National and Local Cancer Registry to Refine the Detection of Thyroid Cancer Cases After the 2011 Fukushima Daiichi Nuclear Power Plant Accident.

Kimura-Tsuchiya R, Nagao M, Saji S, Hayashi F, Ohira T, Shimura H, Furuya F, Suzuki S, Suzuki S, Ishikawa T, Yokoya S, Ohto H, Yasumura S

Cancer medicine 14 ( 3 ) e70610 2025.2

原子力災害での体表面汚染から吸入による甲状腺等価線量を導き出すモデルの不確実性

大葉隆, 石川徹夫, 長谷川有史, 鈴木元

日本放射線事故・災害医学会雑誌 7 ( 1 ) 5 - 14 2024.12

マスクによるラドン子孫核種の内部被ばく低減（1） ─マスク使用によるエアロゾル個数濃度の低減─

岡本貢, 石川徹夫

保健物理 59 ( 4 ) 182 - 195 2024.12

Effect of sampling face velocity on the ultrafine particle surface collection efficiency of a cellulose membrane filter and a cellulose-glass fiber filter for environmental airborne radioactivity monitoring.

Kiso M, Taoka M, Sampei A, Hashimoto H, Abe Y, Oda Y, Omori Y, Yamada R, Hosoda M, Kranrod C, Ishikawa T, Tokonami S

Radiation protection dosimetry 200 ( 16-18 ) 1671 - 1675 2024.11（ ISSN:0144-8420 ）

Detection of thyroid cancer among children and adolescents in Fukushima, Japan: a population-based cohort study of the Fukushima Health Management Survey.

Takahashi H, Yasumura S, Takahashi K, Ohira T, Shimura H, Ohto H, Suzuki S, Suzuki S, Ishikawa T, Suzuki S, Ma E, Nagao M, Yokoya S, Kamiya K

EClinicalMedicine 75 102722 2024.9

Doses from inhalation of radon and thoron for residents in tectonically active region in central Indian Himalaya International coauthorship

Prasad G., Kimothi S., Chandra S., Omori Y., Sahoo S.K., Ishikawa T., Tokonami S., Ramola R.C.

Journal of Radioanalytical and Nuclear Chemistry 333 ( 6 ) 2999 - 3005 2024.6（ ISSN:02365731 ）

Effects of Overweight on Risk of Thyroid Nodules in Children and Adolescents: The Fukushima Health Management Survey.

Ohira T, Nagao M, Hayashi F, Shimura H, Suzuki S, Yasumura S, Takahashi H, Suzuki S, Iwadate M, Hosoya M, Sakai A, Ishikawa T, Furuya F, Suzuki S, Yokoya S, Ohto H, Kamiya K

The Journal of clinical endocrinology and metabolism 2024.3（ ISSN:0021-972X ）

Relationship between the Residual Cesium Body Contents and Individual Behaviors among Evacuees from Municipalities near the Fukushima Daiichi Nuclear Power Plant.

Kim E, Hashimoto S, Tani K, Naito M, Takashima Y, Ishikawa T, Yasumura S, Kamiya K, Kurihara O

Health physics 126 ( 3 ) 141 - 150 2024.3（ ISSN:0017-9078 ）

福島原発事故・県民健康調査①　被災者の被ばく線量推計

石川徹夫

公衆衛生 87 ( 11 ) 1094 - 1102 2023.11

Improvement of spectral analysis using a NaI(Tl) scintillation spectrometer to evaluate ambient gamma dose rates from primordial radionuclides.

Omori Y, Sorimachi A, Hosoda M, Sahoo SK, Kavasi N, Kurihara O, Tokonami S, Ishikawa T

Radiation protection dosimetry 199 ( 18 ) 2233 - 2237 2023.11（ ISSN:0144-8420 ）

No increase in translocated chromosomal aberrations, an indicator of ionizing radiation exposure, in childhood thyroid cancer in Fukushima Prefecture.

Sakai A, Tsuyama N, Ohira T, Sugai-Takahashi M, Ohba T, Azami Y, Matsumoto Y, Iwadate M, Suzuki S, Sato M, Hosoya M, Ishikawa T, Suzuki S

Scientific reports 13 ( 1 ) 14254 2023.8

Fruit Peel Powder as Natural Antioxidant and Reinforcing Bio-Filler in Natural Rubber Latex Gloves: Cases of Mangosteen, Pomelo and Durian.

Thumwong A, Darachai J, Thamrongsiripak N, Tokonami S, Ishikawa T, Saenboonruang K

Antioxidants (Basel, Switzerland) 12 ( 5 ) 2023.5（ ISSN:2076-3921 ）

Comparison between external and internal doses to the thyroid after the Fukushima Daiichi Nuclear Power Plant accident.

Ishikawa T, Ohba T, Hasegawa A, Akahane K, Yasumura S, Kamiya K, Suzuki G

Journal of radiation research 64 ( 2 ) 387 - 398 2023.3（ ISSN:0449-3060 ）

External Doses Available for Epidemiological Studies Related to the Fukushima Health Management Survey: First 4-month Individual Doses and Municipality-average Doses for the First Year.

Ishikawa T, Yasumura S, Akahane K, Yonai S, Sakai A, Kurihara O, Hosoya M, Sakata R, Ohira T, Ohto H, Kamiya K

Journal of epidemiology 32 ( Suppl_XII ) S11 - S22 2022.12（ ISSN:0917-5040 ）

Achievements and Current Status of the Fukushima Health Management Survey.

Yasumura S, Ohira T, Ishikawa T, Shimura H, Sakai A, Maeda M, Miura I, Fujimori K, Ohto H, Kamiya K

Journal of epidemiology 32 ( Suppl_XII ) S3 - S10 2022.12（ ISSN:0917-5040 ）

Associations Between External Radiation Doses and the Risk of Psychological Distress or Post-traumatic Stress After the Fukushima Daiichi Nuclear Power Plant Accident: the Fukushima Health Management Survey.

Miura I, Nagao M, Nakano H, Okazaki K, Hayashi F, Harigane M, Itagaki S, Yabe H, Maeda M, Ohira T, Ishikawa T, Yasumura S, Kamiya K

Journal of epidemiology 32 ( Suppl_XII ) S95 - S103 2022.12（ ISSN:0917-5040 ）

Effects of External Radiation Exposure Resulting From the Fukushima Daiichi Nuclear Power Plant Accident on the Health of Residents in the Evacuation Zones: the Fukushima Health Management Survey.

Sakai A, Nagao M, Nakano H, Ohira T, Ishikawa T, Hosoya M, Shimabukuro M, Takahashi A, Kazama JJ, Okazaki K, Hayashi F, Yasumura S, Ohto H, Kamiya K

Journal of epidemiology 32 ( Suppl_XII ) S84 - S94 2022.12（ ISSN:0917-5040 ）

Dual X-ray- and Neutron-Shielding Properties of Gd2O3/NR Composites with Autonomous Self-Healing Capabilities.

Poltabtim W, Thumwong A, Wimolmala E, Rattanapongs C, Tokonami S, Ishikawa T, Saenboonruang K

Polymers 14 ( 21 ) 2022.10

Estimation of children's thyroid equivalent doses in 16 municipalities after the Fukushima Daiichi Nuclear Power Station accident.

Suzuki G, Ishikawa T, Ohba T, Hasegawa A, Nagai H, Miyatake H, Yoshizawa N

Journal of radiation research 2022.9（ ISSN:0449-3060 ）

A Comparative Study on X-ray Shielding and Mechanical Properties of Natural Rubber Latex Nanocomposites Containing Bi<inf>2</inf>O<inf>3</inf> or BaSO<inf>4</inf>: Experimental and Numerical Determination

Thumwong A., Chinnawet M., Intarasena P., Rattanapongs C., Tokonami S., Ishikawa T., Saenboonruang K.

Polymers 14 ( 17 ) 2022.9

Thoron Equilibrium Factor Observed around Chhatrapur Placer Deposit, a High Background Radiation Area in Odisha, India

Omori Y, Prasad G, Sagar DV, Sahoo SK, Sorimachi A, Janik M, Ishikawa T, Ramola RC, Tokonami S

Radiation Environment and Medicine 11 ( 2 ) 50 - 55 2022.9

Walking survey technique for ambient gamma dose rate measurement established in Fukushima Medical University

Omori Y., Sasaki R., Otsuki Y., Sorimachi A., Ishikawa T.

Journal of Nuclear Science and Technology 59 ( 8 ) 1061 - 1070 2022.8（ ISSN:00223131 ）

Estimation of the Thyroid Equivalent Doses to Residents in Areas Affected by the 2011 Fukushima Nuclear Disaster Due to Inhalation of 131I Based on Their Behavioral Data and the Latest Atmospheric Transport and Dispersion Model Simulation.

Kim E, Igarashi Y, Hashimoto S, Tani K, Kowatari M, Ishikawa T, Kurihara O

Health physics 122 ( 2 ) 313 - 325 2022.2（ ISSN:0017-9078 ）

Estimation of the Early Cs-137 Intake of Evacuees from Areas Affected by the 2011 Fukushima Daiichi Nuclear Power Plant Accident Based on Personal Behavioral Data and the Latest Atmospheric Transport and Dispersion Model Simulation.

Kim E, Igarashi Y, Hashimoto S, Tani K, Ishikawa T, Kowatari M, Kurihara O

Health physics 121 ( 2 ) 133 - 149 2021.8（ ISSN:0017-9078 ）

Car-borne Survey for a Black Shale Area and Influence of Snowfall on Absorbed Dose Rate in Air of a Coastal Area

Tamakuma Yuki, Hosoda Masahiro, Omori Yasutaka, Nagahama Hiroyuki, Ishikawa Tetsuo, Shimo Michikuni, Tokonami Shinji

Radiation Environment and Medicine 10 ( 2 ) 96 - 101 2021.8（ ISSN:2423-9097 ）

Comparison experiments for radon and thoron measuring instruments at low-level concentrations in one room of a Japanese concrete building.

Sorimachi A, Nagamatsu Y, Omori Y, Ishikawa T

Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine 173 109696 2021.7（ ISSN:0969-8043 ）

A simple technique for measuring the activity size distribution of radon and thoron progeny aerosols.

Kranrod C, Chanyotha S, Tokonami S, Ishikawa T

Journal of environmental radioactivity 229-230 106506 2021.4（ ISSN:0265-931X ）

Difference in the Cesium Body Contents of Affected Area Residents Depending on the Evacuation Timepoint Following the 2011 Fukushima Nuclear Disaster.

Igarashi Y, Kim E, Hashimoto S, Tani K, Yajima K, Iimoto T, Ishikawa T, Akashi M, Kurihara O

Health physics 119 ( 6 ) 733 - 745 2020.12（ ISSN:0017-9078 ）

Nested matched case control study for the Japan Fukushima Health Management Survey's first full-scale (second-round) thyroid examination.

Takahashi H, Yasumura S, Takahashi K, Ohira T, Ohtsuru A, Midorikawa S, Suzuki S, Shimura H, Ishikawa T, Sakai A, Suzuki S, Yokoya S, Tanigawa K, Ohto H, Kamiya K

Medicine 99 ( 27 ) e20440 2020.7（ ISSN:0025-7974 ）

Individual Doses to the Public after the Fukushima Nuclear Accident

Ishikawa T

Journal of Radiation Protection and Research 45 ( 2 ) 53 - 68 2020.6（ ISSN:2508-1888 ）

Age dependence of individual external doses in an early stage after the fukushima nuclear accident

Ishikawa T., Yasumura S., Akahane K., Yonai S., Ohtsuru A., Sakai A., Ohira T., Kamiya K.

Radiation Protection Dosimetry 188 ( 2 ) 238 - 245 2020.6（ ISSN:01448420 ）

Absorbed radiation doses in the thyroid as estimated by UNSCEAR and subsequent risk of childhood thyroid cancer following the Great East Japan Earthquake.

Ohira T, Shimura H, Hayashi F, Nagao M, Yasumura S, Takahashi H, Suzuki S, Matsuzuka T, Suzuki S, Iwadate M, Ishikawa T, Sakai A, Suzuki S, Nollet KE, Yokoya S, Ohto H, Kamiya K, Fukushima Health Management Survey Group.

Journal of radiation research 61 ( 2 ) 243 - 248 2020.3（ ISSN:0449-3060 ）

Reconstruction of residents' thyroid equivalent doses from internal radionuclides after the Fukushima Daiichi nuclear power station accident.

Ohba T, Ishikawa T, Nagai H, Tokonami S, Hasegawa A, Suzuki G

Scientific reports 10 ( 1 ) 3639 2020.2

Variable Strength in Thoron Interference for a Diffusion-Type Radon Monitor Depending on Ventilation of the Outer Air.

Omori Y, Shimo M, Janik M, Ishikawa T, Yonehara H

International journal of environmental research and public health 17 ( 3 ) 974 2020.2（ ISSN:1661-7827 ）

The latest update on individual external doses in an early stage after the Fukushima nuclear accident.

Ishikawa T, Yasumura S, Akahane K, Yonai S, Ohtsuru A, Sakai A, Sakata R, Ohira T, Kamiya K

Radiation protection dosimetry 187 ( 3 ) 402 - 406 2019.12（ ISSN:0144-8420 ）

Cryptorchidism after the Fukushima Daiichi Nuclear Power Plant accident:causation or coincidence?

Kojima Y, Yokoya S, Kurita N, Idaka T, Ishikawa T, Tanaka H, Ezawa Y, Ohto H

Fukushima journal of medical science 65 ( 3 ) 76 - 98 2019.12（ ISSN:0016-2590 ）

Trends in the Incidence of Sudden Deaths and Heart Diseases in Fukushima After the Great East Japan Earthquake.

Takiguchi M, Ohira T, Nakano H, Yumiya Y, Yamaki T, Yoshihisa A, Nakazato K, Suzuki H, Ishikawa T, Yasumura S, Kamiya K, Takeishi Y

International heart journal 60 ( 6 ) 1253 - 1258 2019.10（ ISSN:1349-2365 ）

Investigation of the cumulative number of chromosome aberrations induced by three consecutive CT examinations in eight patients.

Abe Y, Noji H, Miura T, Sugai M, Kurosu Y, Ujiie R, Tsuyama N, Yanagi A, Yanai Y, Ohba T, Ishikawa T, Kamiya K, Yoshida MA, Sakai A

Journal of radiation research 60 ( 6 ) 729 - 739 2019.10（ ISSN:0449-3060 ）

REDUCTION IN AMBIENT GAMMA DOSE RATE FROM RADIOCESIUM DUE TO SNOW COVER

Omori Y., Inoue S., Otsuka T., Nagamatsu Y., Sorimachi A., Ishikawa T.

Radiation protection dosimetry 184 ( 3-4 ) 510 - 513 2019.10

Characteristics of indoor radon and thoron concentrations in cave dwellings in Gansu province, China

Sorimachi A, Tokonami S, Omori Y, Janik M, Iwaoka K, Ishikawa T, Sun Q

Radiation protection dosimetry 184 ( 3-4 ) 457 - 462 2019.10

Experience in individual dose estimation after the Fukushima nuclear accident using self-administered questionnaires -activities to encourage responses to the questionnaires and resulting response rate-

Ishikawa T, Yasumura Y, Sakai A, Ohtsuru A, Miyazaki M, Hosoya M, Ohira T, Kamiya K

Radiation Environment and Medicine 8 ( 2 ) 118 - 126 2019.9

DISTRIBUTIONS OF INDOOR GAMMA DOSE RATES IN RELATION TO GAMMA-RAY EMISSIONS FROM BUILDING MATERIALS: CASE STUDY OF HIGH-RISE CONCRETE BUILDING IN FUKUSHIMA.

Omori Yasutaka, Ishikawa Takuma, Sorimachi Atsuyuki, Ishikawa Tetsuo

Radiation protection dosimetry 184 ( 1 ) 116 - 126 2019.7（ ISSN:0144-8420 ）

External Radiation Dose, Obesity, and Risk of Childhood Thyroid Cancer after the Fukushima Daiichi Nuclear Power Plant Accident: The Fukushima Health Management Survey.

Ohira T, Ohtsuru A, Midorikawa S, Takahashi H, Yasumura S, Suzuki S, Matsuzuka T, Shimura H, Ishikawa T, Sakai A, Suzuki S, Yamashita S, Yokoya S, Tanigawa K, Ohto H, Kamiya K, Fukushima Health Management Survey group.

Epidemiology (Cambridge, Mass.) 30 ( 6 ) 853 - 860 2019.6（ ISSN:1044-3983 ）

放射線健康リスク科学教育の医学教育における潮流と本学での取り組み

大津留晶, 緑川早苗, 熊谷敦史, 安井清孝, 大葉隆, 千葉靖子, 宮崎真, 佐藤久志, 長谷川有史, 津山尚宏, 坂井晃, 石川徹夫

福島医学雑誌 69 ( 1 ) 85 - 94 2019.4（ ISSN:0016-2582 ）

External dose estimation in an early stage after the Fukushima Daiichi Nuclear Power Plant accident -Lessons learned from behavior surveys using self-administered questionnaires

Ishikawa T, Yasumura S, Ozasa K, Miyazaki M, Hosoya M, Akahane K, Yonai S, Ohtsuru A, Sakai A, Sakata R, Kurihara O, Kobashi G, Ohira T, Kamiya K

Japanese Journal of Health Physics 53 ( 2 ) 100 - 110 2018.9

Internal doses from radionuclides and their health effects following the Fukushima accident.

Ishikawa T, Matsumoto M, Sato T, Yamaguchi I, Kai M

Journal of radiological protection : official journal of the Society for Radiological Protection 38 ( 4 ) 1253 - 1268 2018.8（ ISSN:0952-4746 ）

Environmentally Friendly Measurement of Airborne Radon Using a Nonvolatile Liquid Scintillation Absorbent.

Kato T, Janik M, Kanda R, Ishikawa T, Kawase M, Kawamoto T

Health physics 115 ( 2 ) 203 - 211 2018.8（ ISSN:0017-9078 ）

Associations Between Childhood Thyroid Cancer and External Radiation Dose After the Fukushima Daiichi Nuclear Power Plant Accident.

Ohira T, Takahashi H, Yasumura S, Ohtsuru A, Midorikawa S, Suzuki S, Matsuzuka T, Shimura H, Ishikawa T, Sakai A, Yamashita S, Tanigawa K, Ohto H, Kamiya K, Suzuki S, Fukushima Health Management Survey Group.

Epidemiology (Cambridge, Mass.) 29 ( 4 ) e32 - e34 2018.7（ ISSN:1044-3983 ）

Measurement of gamma radiation at junior high school sites in Fukushima City

Omori Y, Sorimachi A, Ishikawa T

Radiation Environment and Medicine 7 ( 1 ) 21 - 27 2018.3

Indoor radon, thoron and their progeny concentrations in high thoron rural Serbia environments

Zunic Z., Stojanovska Z., Veselinovic N., Mishra R., Yarmoshenko I., Sapra B., Ishikawa T., Omori Y., Curguz Z., Bossew P., Udovicic V., Ramola R.

Radiation Protection Dosimetry 177 ( 1-2 ) 36 - 39 2017.11（ ISSN:01448420 ）

Representativeness of individual external doses estimated for one quarter of residents in the Fukushima Prefecture after the nuclear disaster: the Fukushima Health Management Survey.

Ishikawa T, Takahashi H, Yasumura S, Ohtsuru A, Sakai A, Ohira T, Sakata R, Ozasa K, Akahane K, Yonai S, Kurihara O, Kamiya K, Abe M

Journal of radiological protection : official journal of the Society for Radiological Protection 37 ( 3 ) 584 - 605 2017.9（ ISSN:0952-4746 ）

Development of a tool for calculating early internal doses in the Fukushima Daiichi nuclear power plant accident based on atmospheric dispersion simulation

Kurihara O., Kim E., Kunishima N., Tani K., Ishikawa T., Furuyama K., Hashimoto S., Akashi M.

EPJ Web of Conferences 153 2017.9（ ISSN:21016275 ）

A Review of Studies on Thyroid Dose Estimation After the Fukushima Accident

Ishikawa T.

Thyroid Cancer and Nuclear Accidents: Long-Term Aftereffects of Chernobyl and Fukushima 135 - 143 2017.3

Radiation dose due to radon and thoron progeny inhalation in high-level natural radiation areas of Kerala, India.

Omori Y, Tokonami S, Sahoo SK, Ishikawa T, Sorimachi A, Hosoda M, Kudo H, Pornnumpa C, Nair RR, Jayalekshmi PA, Sebastian P, Akiba S

Journal of radiological protection : official journal of the Society for Radiological Protection 37 ( 1 ) 111 - 126 2017.3（ ISSN:0952-4746 ）

Radiation Doses and Associated Risk From the Fukushima Nuclear Accident.

Ishikawa T

Asia-Pacific journal of public health 29 ( 2_suppl ) 18S - 28S 2017.3（ ISSN:1010-5395 ）

Early intake of radiocesium by residents living near the tepco fukushima dai-ichi nuclear power plant after the accident. part 2: Relationship between internal dose and evacuation behavior in individuals

Kunishima N., Kurihara O., Kim E., Ishikawa T., Nakano T., Fukutsu K., Tani K., Furuyama K., Hashimoto S., Hachiya M., Naoi Y., Akashi M.

Health Physics 112 ( 6 ) 512 - 525 2017.1（ ISSN:00179078 ）

Measurement of radon in air using a radon-218Po calibration curve determined by an absorptive non-volatile liquid scintillator

Kato T., Janik M., Kanda R., Ishikawa T., Kawase M., Kawamoto T.

Radiation Measurements 95 25 - 30 2016.12（ ISSN:13504487 ）

Early intake of radiocesium by residents living near the TEPCO fukushima dai-ichi nuclear power plant after the accident. Part 1: Internal doses based on whole-body measurements by NIRS

Kim E., Kurihara O., Kunishima N., Nakano T., Tani K., Hachiya M., Momose T., Ishikawa T., Tokonami S., Hosoda M., Akashi M.

Health Physics 111 ( 5 ) 451 - 464 2016.11（ ISSN:00179078 ）

Long-term measurements of residential radon, thoron, and thoron progeny concentrations around the Chhatrapur placer deposit, a high background radiation area in Odisha, India

Omori Y., Prasad G., Sorimachi A., Sahoo S., Ishikawa T., Vidya Sagar D., Ramola R., Tokonami S.

Journal of Environmental Radioactivity 162-163 371 - 378 2016.10（ ISSN:0265931X ）

Natural radioactivity level and elemental composition of soil samples from a high background radiation area on eastern coast of India (Odisha)

Sahoo S., Kierepko R., Sorimachi A., Omori Y., Ishikawa T., Tokonami S., Prasad G., Gusain G., Ramola R.

Radiation Protection Dosimetry 171 ( 2 ) 172 - 178 2016.10（ ISSN:01448420 ）

External and internal exposure to Fukushima residents

Kamiya K., Ishikawa T., Yasumura S., Sakai A., Ohira T., Takahashi H., Ohtsuru A., Suzuki S., Hosoya M., Maeda M., Yabe H., Fujimori K., Yamashita S., Ohto H., Abe M.

Radiation Protection Dosimetry 171 ( 1 ) 7 - 13 2016.9（ ISSN:01448420 ）

Internal thyroid doses to Fukushima residents-estimation and issues remaining.

Kim E, Kurihara O, Kunishima N, Momose T, Ishikawa T, Akashi M

Journal of radiation research 57 Suppl 1 i118 - i126 2016.8（ ISSN:0449-3060 ）

Comparison of childhood thyroid cancer prevalence among 3 areas based on external radiation dose after the Fukushima Daiichi nuclear power plant accident: The Fukushima health management survey.

Ohira T, Takahashi H, Yasumura S, Ohtsuru A, Midorikawa S, Suzuki S, Fukushima T, Shimura H, Ishikawa T, Sakai A, Yamashita S, Tanigawa K, Ohto H, Abe M, Suzuki S, Fukushima Health Management Survey Group.

Medicine 95 ( 35 ) e4472 2016.8（ ISSN:0025-7974 ）

A comparison of the dose from natural radionuclides and artificial radionuclides after the Fukushima nuclear accident.

Hosoda M, Tokonami S, Omori Y, Ishikawa T, Iwaoka K

Journal of radiation research 57 ( 4 ) 422 - 30 2016.7（ ISSN:0449-3060 ）

An influential factor for external radiation dose estimation for residents after the Fukushima Daiichi Nuclear Power Plant accident-time spent outdoors for residents in Iitate Village.

Ishikawa T, Yasumura S, Ohtsuru A, Sakai A, Akahane K, Yonai S, Sakata R, Ozasa K, Hayashi M, Ohira T, Kamiya K, Abe M

Journal of radiological protection : official journal of the Society for Radiological Protection 36 ( 2 ) 255 - 68 2016.6（ ISSN:0952-4746 ）

Analysis of chromosome translocation frequency after a single CT scan in adults.

Abe Y, Miura T, Yoshida MA, Ujiie R, Kurosu Y, Kato N, Katafuchi A, Tsuyama N, Kawamura F, Ohba T, Inamasu T, Shishido F, Noji H, Ogawa K, Yokouchi H, Kanazawa K, Ishida T, Muto S, Ohsugi J, Suzuki H, Ishikawa T, Kamiya K, Sakai A

Journal of radiation research 57 ( 3 ) 220 - 6 2016.6（ ISSN:0449-3060 ）

Comprehensive Survey Results of Childhood Thyroid Ultrasound Examinations in Fukushima in the First Four Years After the Fukushima Daiichi Nuclear Power Plant Accident.

Suzuki S, Suzuki S, Fukushima T, Midorikawa S, Shimura H, Matsuzuka T, Ishikawa T, Takahashi H, Ohtsuru A, Sakai A, Hosoya M, Yasumura S, Nollet KE, Ohira T, Ohto H, Abe M, Kamiya K, Yamashita S

Thyroid : official journal of the American Thyroid Association 26 ( 6 ) 843 - 51 2016.6（ ISSN:1050-7256 ）

Comprehensive Health Risk Management after the Fukushima Nuclear Power Plant Accident

Yamashita S., Ohto H., Abe M., Tanigawa K., Kamiya K., Yasumura S., Hosoya M., Suzuki S., Ohtsuru A., Sakai A., Yabe H., Maeda M., Fujimori K., Ishikawa T., Ohira T., Watanabe T., Satoh H., Suzuki S., Fukushima T., Midorikawa S., Shimura H., Matsuzuka T., Mashiko H., Goto A., Nollet K., Takahashi H., Shibata Y., Miyazaki M., Matsui S., Tanaka S.

Clinical Oncology 28 ( 4 ) 255 - 262 2016.4（ ISSN:09366555 ）

An intercomparison done at NIRS, Japan on continuous monitors for measuring ²²⁰Rn concentration.

Sorimachi A, Janik M, Tokonami S, Ishikawa T

Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine 107 145 - 151 2016.1（ ISSN:0969-8043 ）

Estimation of external and internal doses resulting from the use of artificial radon spa sources

Hosoda M, Ishikawa T*, Yasuoka Y, Sahoo SK, Katoh S, Ogawa M, Ogashiwa S, Iwaoka K, Tokonami S

Radiation Emergency Medicine 5 46 - 52 2016

福島における外部被ばく個人線量評価とその意義

石川徹夫、宮崎真

Isotope News 741 54 - 58 2016

Radiation survey on Fukushima Medical University premises about four years after the Fukushima nuclear disaster

Omori Yasutaka, Wakamatsu Hiroaki, Sorimachi Atsuyuki, Ishikawa Tetsuo

FUKUSHIMA JOURNAL OF MEDICAL SCIENCE 62 ( 1 ) 1 - 17 2016（ ISSN:0016-2590 ）

Novel method for estimation of the indoor-to-outdoor airborne radioactivity ratio following the Fukushima Daiichi Nuclear Power Plant accident.

Tan Y, Ishikawa T, Janik M, Tokonami S, Hosoda M, Sorimachi A, Kearfott K

The Science of the total environment 536 25 - 30 2015.12（ ISSN:0048-9697 ）

「福島県県民健康調査」における被ばく線量推計に関する研究　簡易版問診票の妥当性について

林正幸, 安村誠司, 小橋元, 赤羽恵一, 米内俊祐, 大津留晶, 坂井晃, 坂田律, 小笹晃太郎, 石川徹夫, 神谷研二, 阿部正文

福島医学雑誌 65 ( 4 ) 149 - 161 2015.12（ ISSN:0016-2582 ）

Variability of radiocaesium inventory in Fukushima soil cores from one site measured at different times

Mishra S., Sahoo S., Arae H., Sorimachi A., Hosoda M., Tokonami S., Ishikawa T.

Radiation Protection Dosimetry 167 ( 1-3 ) 344 - 347 2015.11（ ISSN:01448420 ）

Comparative dosimetry for radon and thoron in high background radiation areas in China

Kudo H., Tokonami S., Omori Y., Ishikawa T., Iwaoka K., Sahoo S., Akata N., Hosoda M., Wanabongse P., Pornnumpa C., Sun Q., Li X., Akiba S.

Radiation Protection Dosimetry 167 ( 1-3 ) 155 - 159 2015.11（ ISSN:01448420 ）

Natural radioactivity and radon exhalation rates in man-made tiles used as building materials in Japan

Iwaoka K., Hosoda M., Suwankot N., Omori Y., Ishikawa T., Yonehara H., Tokonami S.

Radiation Protection Dosimetry 167 ( 1-3 ) 135 - 138 2015.11（ ISSN:01448420 ）

Estimation of radon emanation coefficient for representative soils in Okinawa, Japan

Shiroma Y., Hosoda M., Ishikawa T., Sahoo S., Tokonami S., Furukawa M.

Radiation Protection Dosimetry 167 ( 1-3 ) 147 - 150 2015.11（ ISSN:01448420 ）

Increase in dicentric chromosome formation after a single CT scan in adults

Abe Y*, Miura T, Yoshida M, Ujiie R*, Kurosu Y*, Kato N*, Katafuchi A*, Tsuyama N*, Ohba T*, Inamasu T*, Shishido F*, Noji H*, Ogawa K*, Yokouchi H*, Kanazawa K*, Ishida T*, Muto S*, Ohsugi J*, Suzuki H*, Ishikawa T*, Kamiya K*, Sakai A*

Scientific Reports 5 13882 2015.9

Health effects of radiation and other health problems in the aftermath of nuclear accidents, with an emphasis on Fukushima.

Hasegawa A, Tanigawa K, Ohtsuru A, Yabe H, Maeda M, Shigemura J, Ohira T, Tominaga T, Akashi M, Hirohashi N, Ishikawa T, Kamiya K, Shibuya K, Yamashita S, Chhem RK

Lancet (London, England) 386 ( 9992 ) 479 - 88 2015.8（ ISSN:0140-6736 ）

Preliminary Experiments Using a Passive Detector for Measuring Indoor 220Rn Progeny Concentrations with an Aerosol Chamber.

Sorimachi A, Tokonami S, Kranrod C, Ishikawa T

Health physics 108 ( 6 ) 597 - 606 2015.6（ ISSN:0017-9078 ）

Meeting report: suggestions for studies on future health risks following the Fukushima accident.

Inamasu T, Schonfeld SJ, Abe M, Bidstrup PE, Deltour I, Ishida T, Ishikawa T, Kesminiene A, Ohira T, Ohto H, Suzuki S, Thierry-Chef I, Yabe H, Yasumura S, Schüz J, Yamashita S

Environmental health : a global access science source 14 ( 1 ) 26 2015.3

硫酸カルシウムと活性炭型検出器を用いた高湿度環境下における空気中ラドンの測定

森康則, 大森康孝, 吉村英基, 前田明, 山本昌宏, 西中隆道, 石川徹夫, 若林亜希子, 安岡由美

温泉科学 64 ( 4 ) 402 - 408 2015.3（ ISSN:0030-2821 ）

Normal seasonal variations for atmospheric radon concentration: A sinusoidal model

Hayashi K., Yasuoka Y., Nagahama H., Muto J., Ishikawa T., Omori Y., Suzuki T., Homma Y., Mukai T.

Journal of Environmental Radioactivity 139 140 - 148 2015.1（ ISSN:0265931X ）

Whole-body Counters Have Gained Increasing Attention Again

ISHIKAWA Tetsuo

Japanese Journal of Health Physics 50 ( 4 ) 216 - 216 2015（ ISSN:0367-6110 ）

A pilot study for dose evaluation in high-level natural radiation areas of Yangjiang, China

Omori Y*, Tokonami S, Ishikawa T*, Sahoo SK, Akata N, Sorimachi A*, Hosoda M, Pornnumpa C, Wanabongse P, Kudo H, Hu YJ, Ao YX, Li XL, Li K, Fu YH, Sun QF, Akiba S

Journal of Radioanalytical and Nuclear Chemistry 306 317 - 323 2015

Characteristics of the environmental radon and thoron in Minamidaito-jima, a comparatively high background radiation island in Japan

Shiroma Y, Hosoda M, Ishikawa T*, Sahoo SK, Tokonami S, Furukawa M

Radiation Emergency Medicine 4 ( 1 ) 27 - 33 2015

Measuring radon in high humidity air using anhydrous calcium sulfate and an activated charcoal detector

Mori Y, Omori Y*, Yoshimura H, Maeda A, Yamamoto M, Nishinaka T, Ishikawa T*, Wakabayashi A, Yasuoka Y

Journal of Hot Spring Science 64 ( 4 ) 402 - 408 2015

The Fukushima Health Management Survey: estimation of external doses to residents in Fukushima Prefecture

Ishikawa T*, Yasumura S*, Ozasa K, Kobashi G, Yasuda H, Miyazaki M*, Akahane K, Yonai S, Ohtsuru A*, Sakai A*, Sakata R, Kamiya K*, Abe M*

Scientific Reports 5 ( 12712 ) 2015

A comparison study of commercially available survey meters for measurement of gamma-rays

Terashima S, Abe A, Kasai Y, Kawamura T, Kitaya T, Kubo K, Sakata S, Sugisawa H, Narita M, Hattori M, Masuda D, Iwaoka K, Hosoda M, Ishikawa T*, Tokonami S

Radiation Emergency Medicine 4 ( 2 ) 29 - 34 2015

Novel method for estimation of the indoor-to-outdoor airborne radioactivity ratio following the Fukushima Daiichi Nuclear PowerPlant accident

Tan Y, Ishikawa T*, Janik M, Tokonami S, Hosoda M, Sorimachi A*, Kearfott K

Science of the Total Environment 536 25 - 30 2015

Long-term measurements of radon, thoron and their airborne progeny in 25 schools in Republic of Srpska

Curguz Z, Stojanovska Z, Zunic ZS, Kolarz P, Ishikawa T*, Omori Y*, Mishra R, Sapra BK, Vaupotic J, Ujic P, Bossew P

Journal of Environmental Radioactivity 148 163 - 169 2015

Estimation of external dose by car-borne survey in Kerala, India.

Hosoda M, Tokonami S, Omori Y, Sahoo SK, Akiba S, Sorimachi A, Ishikawa T, Nair RR, Jayalekshmi PA, Sebastian P, Iwaoka K, Akata N, Kudo H

PloS one 10 ( 4 ) e0124433 2015

First step of indoor thoron mapping of Kosovo and Metohija.

Gulan L, Zunić ZS, Milić G, Ishikawa T, Omori Y, Vučković B, Nikezić D, Krstić D, Bossew P

Radiation protection dosimetry 162 ( 1-2 ) 157 - 62 2014.11（ ISSN:0144-8420 ）

福島原発事故による被ばく線量の概要とリスクコミュニケーション

神谷研二*、稲葉俊哉、安村誠司*、山下俊一*、石川徹夫*、大津留晶*、坂井晃*、鈴木眞一*、細矢光亮*、矢部博興*、藤森敬也*、阿部正文*

長崎医学会雑誌 89 202 - 205 2014.9（ ISSN:0369-3228 ）

Simultaneous sampling of indoor and outdoor airborne radioactivity after the Fukushima Daiichi nuclear power plant accident

Ishikawa T., Sorimachi A., Arae H., Sahoo S., Janik M., Hosoda M., Tokonami S.

Environmental Science and Technology 48 ( 4 ) 2430 - 2435 2014.2（ ISSN:0013936X ）

An evaluation of thoron (and radon) equilibrium factorclose towalls based on long-term measurements in dwellings

Mishra R., Zunic Z., Venoso G., Bochicchio F., Stojanovska Z., Carpentieri C., Prajith R., Sapra B., Mayya Y., Ishikawa T., Omori Y., Veselinovic N., Tollefsen T., Ujić P., Bossew P.

Radiation Protection Dosimetry 160 ( 1-3 ) 164 - 168 2014.1（ ISSN:01448420 ）

An overview of internal dose estimation using whole-body counters in Fukushima Prefecture

Miyazaki M., Ohtsuru A., Ishikawa T.

Fukushima journal of medical science 60 ( 1 ) 95 - 100 2014.1（ ISSN:0016-2590 ）

External radiation dose estimation by the basic survey

Ishikawa T., Yasumura S., Ohtsuru A., Sakai A., Ohira T., Kamiya K., Abe M.

Fukushima journal of medical science 60 ( 2 ) 2014.1

Distribution and retention of Cs radioisotopes in soil affected by Fukushima nuclear plant accident

Mishra S., Arae H., Sorimachi A., Hosoda M., Tokonami S., Ishikawa T., Sahoo S.

Journal of Soils and Sediments 15 ( 2 ) 374 - 380 2014.1（ ISSN:14390108 ）

Performance experiments of the humidity control system in the Rn-220 chamber

Sorimachi A*, Ishikawa T*, Tokonami S

Radiation Emergency Medicine 3 ( 2 ) 24 - 30 2014

Radon and thoron intercomparison experiments for integrated monitors at NIRS, Japan

Janik M, Ishikawa T*, Omori Y*, Kavasi N

Review of Scientific Instruments 85 022001 2014

In situ comparison of passive radon-thoron discriminative monitors at subsurface workplaces in Hungary

Kavasi N, Vigh T, Nemeth C, Ishikawa T*, Omori Y*, Janik M, Yonehara H

Review of Scientific Instruments 85 022002 2014

A brief review of dose estimation studies conducted after the Fukushima Daiichi Nuclear Power Plant accident

Ishikawa T*

Radiation Emergency Medicine 3 21 - 27 2014

Experimental demonstration with an acceptable range of radon leak for measurement of radon in water by a liquid scintillation counter using larger than usual samples

Yasuoka Y, Mori Y, Murakami K, Kobayashi Y, Ohnuma S, Takizawa H, Ishikawa T*, Mukai T

Radiation Emergency Medicine 3 ( 2 ) 39 - 42 2014

Absorbed Dose Rate in Air at the Bunkyo-cho Campus of Hirosaki University

Hosoda M, Fukui Y, Pornnumpa C, Sorimachi A*, Ishikawa T*, Yachi M, Nara A, Yokota H, Tokonami S

Radiation Emergency Medicine 3 ( 1 ) 59 - 62 2014

Development of an aerosol chamber for calibration of 220Rn progeny detectors

Sorimachi A*, Ishikawa T*, Tokonami S

Review of Scientific Instruments 85 095104 2014

Progress in Estimation of Dose due to the Fukushima Daiichi Nuclear Power Plant Accident

ISHIKAWA Tetsuo

Jpn. J. Health Phys. 49 ( 3 ) 157 - 160 2014（ ISSN:0367-6110 ）

Effect of a Desiccant on the Measurement of Radon Concentration in Air

TAJIKA Yukari, YASUOKA Yumi, OMORI Yasutaka, SORIMACHI Atsuyuki, ISHIKAWA Tetsuo, MORI Yasunori, MUKAI Takahiro

Jpn. J. Health Phys. 49 ( 4 ) 163 - 163 2014（ ISSN:0367-6110 ）

福岡県における福島第一原子力発電所事故初期の放射線影響評価

楢崎幸範, 竹村俊彦, 天野光, 石川徹夫, 藤高和信

Radioisotopes 62 ( 11 ) 847 - 855 2013.11（ ISSN:0033-8303 ）

放射能泉の利用における被ばく線量評価のためのラドン分析検討および実態調査

森康則, 志村恭子, 川村陽一, 出口晃, 美和千尋, 石川徹夫, 安岡由美

日本健康開発財団研究年報 ( 34 ) 11 - 19 2013.6（ ISSN:2186-4683 ）

Radon concentration of outdoor air: Measured by an ionization chamber for radioisotope monitoring system at radioisotope institute

Tajika Y., Yasuoka Y., Nagahama H., Suzuki T., Homma Y., Ishikawa T., Tokonami S., Mukai T., Janik M., Sorimachi A., Hosoda M.

Journal of Radioanalytical and Nuclear Chemistry 295 ( 3 ) 1709 - 1714 2013.3（ ISSN:02365731 ）

Estimation of internal exposure of the thyroid to131I on the basis of134Cs accumulated in the body among evacuees of the Fukushima Daiichi Nuclear Power Station accident

Hosoda M., Tokonami S., Akiba S., Kurihara O., Sorimachi A., Ishikawa T., Momose T., Nakano T., Mariya Y., Kashiwakura I.

Environment International 61 73 - 76 2013.1（ ISSN:01604120 ）

An investigation of gamma-ray dose rate in the central area of Hirosaki City, Japan

Yoshino H, Obara H, Maeda T, Yamada A, Watanabe K, Hosoda M, Sorimachi A*, Ishikawa T*, Tokonami S

Radiation Emergency Medicine 2 72 - 76 2013

Activity concentrations of environmental samples collected in Fukushima Prefecture immediately after the Fukushima nuclear accident

Hosoda M, Tokonami S, Tazoe H, Sorimachi A*, Monzen S, Osanai M, Akata N, Kakiuchi H, Omori Y*, Ishikawa T*, Sahoo SK, Kovacs T, Yamada M, Nakata A, Yoshida M, Yoshino H, Mariya Y, Kashiwakura I

Scientific Reports 3 2283 2013

Measuring Radon and Thoron Levels in Sri Lanka

Subasinghe ND, Mahakumara P, Nimalsiri TB, Suriyaarchchi NB, Iimoto T, Ishikawa T*, Omori Y*, Dissanayake CB

Advanced Materials Research 718-720 721 - 724 2013

Naturally occurring radionuclides and rare earth elements in weathered Japanese soil samples

SAHOO, SK; HOSODA, M; PRASAD, G; TAKAHASHI, H; SORIMACHI, A*; ISHIKAWA, T*; TOKONAMI, S; UCHIDA, S

Acta Geophysica 61 ( 4 ) 876 - 885 2013

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