Tritium concentration in bottled drinking water and internal dose assessment

Kheamsiri Khemruthai, Akata Naofumi, Kuwata Haruka, Tanaka Masahiro, Hosoda Masahiro, Sasaki Michiya, Shiroma Yoshitaka, Tokonami Shinji, Yamada Ryohei, Kranrod Chutima, Iwaoka Kazuki, Kovacs Tibor

JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY   2023年07月

Residential radon exposure in Astana and Aqsu, Kazakhstan

Tokonami Shinji, Kranrod Chutima, Kazymbet Polat, Omori Yasutaka, Bakhtin Meirat, Poltabtim Worawat, Musikawan Saowarak, Pradana Radhia, Kashkinbayev Yerlan, Zhumadilov Kassym, Pirmanova Ainur, Aumalikova Moldir, Isa Zhantore, Sakaguchi Aya, Sato Hitoshi, Hoshi Masaharu

JOURNAL OF RADIOLOGICAL PROTECTION   43 ( 2 )   023501 - 023501   2023年06月

Simultaneous measurements of radon, thoron and thoron progeny and induced cancer risk assessment in Djeno, Pointe-Noire, Republic of Congo

Sondzo Jucit Sem, Dallou Guy Blanchard, Meye Philippe Ondo, Diahou Russel Rolphe Caroll Moubakou, Biona Clobite Bouka, Kranrod Chutima, Omori Yasutaka, Hosoda Masahiro, Saidou, Tokonami Shinji

RADIATION PROTECTION DOSIMETRY   200 ( 5 )   437 - 447   2024年01月

Calibration experiments for radon in drinking water measurements using portable-type electrostatic-collection radon monitors

Hosoda Masahiro, Omori Yasutaka, Hashimoto Hiroki, Matsumoto Maho, Yasuoka Yumi, Sanada Tetsuya, Oda Yuki, Kiso Mizuki, Sampei Aoi, Kranrod Chutima, Tazoe Hirofumi, Akata Naofumi, Taira Yasuyuki, Tamakuma Yuki, Yamada Ryohei, Kudo Hiromi, Shimizu Mayumi, Tokonami Shinji

RADIATION PROTECTION DOSIMETRY   199 ( 18 )   2203 - 2206   2023年11月

Site-specific dose conversion factors for radon progeny based on ambient aerosol characteristics in an outdoor environment and a tourist cave

Tamakuma Yuki, Kiso Mizuki, Sampei Aoi, Hashimoto Hiroki, Kranrod Chutima, Hosoda Masahiro, Ooka Sohei, Furukawa Masahide, Tokonami Shinji

RADIATION PROTECTION DOSIMETRY   199 ( 18 )   2207 - 2211   2023年11月

What can we learn from high background radiation area (HBRA) studies in three Asian countries: India, China and Indonesia? Radiological aspects in various HBRAs

Kranrod C, Kudo H, Tokonami S.

Journal of Radiation Research   65 ( Supplement1 )   i32 - i41   2024年12月

A Study of the Relationship Among Radon, Thoron and Radioactive Aerosol Particle Distribution in PM2.5 Risk Areas in Kanchanaburi Province, Thailand

Chutima Kranrod, Chanis Rattanapongs, Phachirarat Sola, Arisa Manowan, Ancharee Onjan, Kitkawin Aramrun, Shinji Tokonami

Atmosphere   2024年11月

Changes in Particulate Matter (PM2.5 and PM10) Concentrations and Ambient Dose Equivalent Rates at Different Altitudes in Chiang Mai, Thailand

Kranrod Chutima, Thumvijit Tarika, Yamada Ryohei, Poltabtim Worawat, Kiso Mizuki, Sriburee Sompong, Somboon Siriprapa, Ruktinnakorn Kewalin, Tokonami Shinji

Radiation Environment and Medicine   13 ( 1 )   28 - 34   2024年02月

Characterization of Commercially Available Active-Type Radon-Thoron Monitors at Different Sampling Flow Rates

Tamakuma Yuki, Kranrod Chutima, Jin Yuto, Kobayashi Hiromu, Nugraha Eka Djatnika, Sanpei Aoi, Kiso Mizuki, Hashimoto Hiroki, Negami Ryoju, Hosoda Masahiro, Tokonami Shinji

ATMOSPHERE   12 ( 8 )   971 - 971   2021年07月

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 - 106506   2021年04月

A Comparative Study of the Outdoor Absorbed Dose Rate in Air by In-situ and Soil-sampling-based Measurement Methods

Chutima Kranrod, Supitcha Chanyotha, Phongphaeth Pengvanich, Rawiwan Kritsananuwat, Masahiro Hosoda, Shinji Tokonami

Radiation Environment and Medicine   9 ( 2 )   98 - 104   2020年08月

Activity concentration and soil to plant transfer factor of natural radionuclides in Thai lemongrass

Chutima Kranrod, Rawiwan Kritsananuwat, Supitcha Chanyotha, Thamaborn Ploykrathok, Phongyut Sriploy

Radiation Environment and Medicine   9 ( 1 )   7 - 12   2020年02月

A simple technique for determining the equilibrium equivalent Thoron concentration using a CR-39 detector: Application in mineral treatment industry

C. Kranrod, S. Chanyotha, N. Chankow, S. Tokonami, T. Ishikawa, S. K. Sahoo

Radioprotection   44 ( 5 )   301 - 304   2009年

Fukushima's Tap and Groundwater a Decade after the Nuclear Accident with Radiocesium, Tritium, and Radon.

Anderson D, Oda Y, Taira Y, Omori Y, Tazoe H, Akata N, Kranrod C, Yamada R, Kuwata H, Tamakuma Y, Kudo H, Osanai M, Nishimura N, Yasuoka Y, Sanada T, Hosoda M, Tokonami S

Environmental science & technology   2025年03月

Natural gamma dose rate and radioactivity concentrations at a former tin mining area in Kanchanaburi, Thailand

Saowarak Musikawan, Worawat Poltabtim, Khemruthai Kheamsiri, Chutima Kranrod, Theerawat Pluemjit, Kitkawin Aramrun, Yasutaka Omori, Hirofumi Tazoe, Masahiro Hosoda, Naofumi Akata, Shinji Tokonami

Journal of Radioanalytical and Nuclear Chemistry   2025年03月

Serum biomarkers associated with health impacts of high residential radon exposure: a metabolomic pilot study.

Autsavapromporn N, Duangya A, Klunklin P, Chitapanarux I, Kranrod C, Jaikang C, Monum T, Paemanee A, Tokonami S

Scientific reports   15 ( 1 )   5099 - 5099   2025年02月

Revisiting the influence of the equilibrium factor and the contribution of Rn, Tn and their progeny in dose assessment

Gondji Dieu Souffit, Koyang François, Oumar Bobbo Modibo, Eka Djatnika Nugraha, Ndjana Nkoulou II Joseph Emmanuel, Jalaluddin Shah, Rosaline Mishra, Chutima Kranrod, Yasutaka Omori, Masahiro Hosoda, Balvinder K Sapra, Saïdou, Shinji Tokonami

Air Quality, Atmosphere & Health   2025年02月

Public exposure from inhalation of radon and thoron around the tin mine and smelter areas in Bangka, Indonesia.

Pradana R, Nugraha ED, Omori Y, Shilfa SN, Winarni ID, Wahyudi W, Untara U, Kurnia I, Safitri R, Kranrod C, Sasaki M, Devriany A, Rachman AN, Kurniawan R, Ahmad H, Muniroh M, Islam F, Rosianna I, Nurokhim N, Makhsun M, Widodo S, Prasetio H, Hosoda M, Tokonami S

Scientific reports   14 ( 1 )   30731   2024年12月

Serum Metabolomics Study to Screen Potential Biomarkers of Lung Cancer Risk in High Natural Background Radiation Areas of Thailand: A Pilot Study.

Autsavapromporn N, Duangya A, Klunklin P, Chitapanarux I, Kranrod C, Jaikang C, Monum T, Paemanee A, Tokonami S

Cancers   16 ( 24 )   2024年12月

Direct measurement of indoor thoron and radon progeny and estimation of inhalation dose in three cities in Gabon: Comparison of the use of thoron typical and measured equilibrium factor values.

Loemba Mouandza SY, Saïdou, Ndong W, Kranrod C, Hosoda M, Ondo Meye P, Bipolo Djeune R, Durastanti-Rabenga Mombo ED, Andeme-Abondhoume HM, Mabika Ndjembidouma BC, Ekogo TB, Ben-Bolie GH, Tokonami S

Journal of environmental radioactivity   280   107557 - 107557   2024年12月

Ecological and Health Risks from Trace Elements Contamination in Soils at the Rutile Bearing Area of Akonolinga, Cameroon

Fayette Kitcha Sime, Dieu Souffit Gondji, Ilsa Rosianna, Eka Djatnika Nugraha, Oumar Bobbo Modibo, Chutima Kranrod, Yasutaka Omori, Naofumi Akata, Masahiro Hosoda, Saïdou, Shinji Tokonami

Applied Sciences   2024年11月

Radiation dose estimation for indoor radon, thoron and their progenies using a stochastic method-a small-scale survey in Wuhan, China.

Hu J, Kranrod C, Omori Y, Hosoda M, Tokonami S

Radiation protection dosimetry   200 ( 16-18 )   1720 - 1725   2024年11月

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年11月

Atmospheric concentrations of 7Be and 210Pb in weekly aerosols at Hirosaki, a heavy snowfall area in Japan.

Kheamsiri K, Modibo OB, Hadi BSW, Kuwata H, Yamada R, Kranrod C, Akata N

Radiation protection dosimetry   200 ( 16-18 )   1782 - 1786   2024年11月

Assessment of annual effective doses from indoor radon and thoron in Doi Lo, Chiang Mai, Thailand.

Thumvijit T, Somboon S, Tapanya M, Ruktinnakorn K, Kranrod C, Tokonami S, Chanyotha S, Sriburee S

Radiation protection dosimetry   200 ( 16-18 )   1715 - 1719   2024年11月

International intercomparison and quality assessment of passive and active 222Rn measuring devices in the Asia-Pacific region

N. Karunakara, A.P. Vijith, Rosaline Mishra, B.K. Sahoo, Miroslaw Janik, Sudeep Kumara, B.K. Sapra, Shinji Tokonami, Chutima Kranrod, S. Chandrasekaran, N. Chitra, Seon hong Kim, Juhee Yoo, Chao Zhao, Bo Chen, Hong-Gi Kim, Jin-il Kim, Josef Holecek, Le Dinh Cuong

Radiation Measurements   178   107295 - 107295   2024年11月

Thoron exposure in the radon-thoron prone area of the Adamawa Region, Cameroon.

Bachirou S, Saïdou, Mishra R, Kranrod C, Hosoda M, Jalaluddin S, Sapra BK, Kwato Njock MG, Tokonami S

Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine   213   111498 - 111498   2024年11月

Radiation research trends by young scientists and the future tasks in Northern Japan: report on 'the 10th educational symposium on radiation and health (ESRAH) by young scientists in 2023'.

Seino R, Hashimoto H, Kuwata H, Poltabtim W, Kheamsiri K, Pradana R, Musikawan S, Abe Y, Taoka M, Kudo R, Kranrod C, Yoshino H, Hosoda M, Matsuya Y

International journal of radiation biology   100 ( 12 )   1 - 6   2024年10月

Development of radon detectors calibration system in Cameroon

Oumar Bobbo Modibo, Gondji Dieu Souffit, Koyang François, Ndjana Nkoulou II Joseph Emmanuel, Eka Djatnika Nugraha, Chutima Kranrod, Saïdou, Shinji Tokonami

Radiation Medicine and Protection   2024年10月

Radon exhalation rate from the latex pillows and its potential exposure to users

Phachirarat Sola, Kanokporn Boonsirichai, Santi Raksawong, Ritiron Samran, Pimprapa Chaijak, Hirofumi Tazoe, Chutima Kranrod, Rawiwan Kritsananuwat, Sattawat Jongjitklang, Vichai Puripunyavanich, Masahiro Hosoda, Waleeporn Pongkua, Shinji Tokonami

Radiation Medicine and Protection   2024年09月

Annual Effective Dose Due to External Exposure at Hamadori District in Fukushima Prefecture

Oda Yuki, Kiso Mizuki, Sampei Aoi, Hashimoto Hiroki, Taira Yasuyuki, Omori Yasutaka, Tazoe Hirofumi, Kranrod Chutima, Shimizu Mayumi, Kudo Hiromi, Akata Naofumi, Yamada Ryohei, Yamaguchi Masaru, Hosoda Masahiro, Tokonami Shinji

Radiation Environment and Medicine   13 ( 2 )   81   2024年08月

Radon in Soil Gas and Ambient Dose Equivalent Rate Measurements in Yaounde, Cameroon

Eric Gourda Hebsia, Oumar Bobbo Modibo, Ayoba Ndimantchi, Joseph Emmanuel, Ndjana Nkoulou, Eka Djatnika Nugraha, Chutima Kranrod, Yasutaka Omori, Masahiro Hosoda, Saidou, Shinji Tokonami

Radiation Environment and Medicine   13 ( 2 )   52 - 59   2024年08月

Water Quality Analysis for Comprehensive Evaluation of Combined Exposure from Heavy Metals and Radionuclides

Tazoe Hirofumi, Oda Yuki, Kiso Mizuki, Sampei Aoi, Hashimoto Hiroki, Taira Yasuyuki, Omori Yasutaka, Kranrod Chutima, Shimizu Mayumi, Kudo Hiromi, Akata Naofumi, Yamada Ryohei, Yamaguchi Masaru, Hosoda Masahiro, Tokonami Shinji

Radiation Environment and Medicine   13 ( 2 )   94   2024年08月

The Project on Indoor Radon Measurement in Kazakhstan. What Do We Need to Clarify?

Omori Yasutaka, Bakhtin Meirat, Kudo Hiromi, Kranrod Chutima, Yoshinaga Shinji, Tokonami Shinji, Hoshi Masaharu

Radiation Environment and Medicine   13 ( 2 )   76   2024年08月

The Effective Dose from Inhalation of Radon and Thoron in the Dwelling around the Tin Mine and Smelter Area in Bangka, Indonesia

Radhia Pradana, Eka D. Nugraga, Sharah N. Shilfa, Omori Yasutaka, Wahyudi Wahyudi, Untara Untara, Irwan Kurnia, Rini Safitri, Kranrod Chutima, Sasaki Michiya, Ade Devriany, Agus N. Rachman, Rusbani Kurniawan, Leli Nirwani, Nurokhim Nurokhim, Hosoda Masahiro, Tokonami Shinji

Radiation Environment and Medicine   13 ( 2 )   83   2024年08月

Research Activity of The Department of Radiochemistry and Radioecology, and Study on Internal Exposure Dose Assessment by Beverages

Kheamsiri Khemruthai, Yamada Ryohei, Kuwata Haruka, Kranrod Chutima, Thumvijit Tarika, Tazoe Hirofumi, Akata Naofumi

Radiation Environment and Medicine   13 ( 2 )   92   2024年08月

Dose Assessments Due to Inhalation of Radon and Thoron at 70 Dwellings in the Coastal Area of Fukushima

Hosoda Masahiro, Oda Yuki, Kranrod Chutima, Sampei Aoi, Kiso Mizuki, Taira Yasuyuki, Omori Yasutaka, Tazoe Hirofumi, Akata Naofumi, Shimizu Mayumi, Kudo Hiromi, Yamada Ryohei, Tamakuma Yuki, Tokonami Shinji

Radiation Environment and Medicine   13 ( 2 )   82   2024年08月

Comparison of Gamma-Ray Dose Rate Map Using Car-Borne Survey and Man-Borne Survey

Kiso Mizuki, Kuwata Haruka, Oda Yuki, Poltabtim Worawat, Musokawan Saowarak, Kranrod Chutima, Omori Yasutaka, Hosoda Masahiro, Tokonami Shinji

Radiation Environment and Medicine   13 ( 2 )   95   2024年08月

Effective dose assessment due to inhalation of (222)Rn, (220)Rn, and their progeny: highlighting the major contribution of thoron in a thoron-prone area in Cameroon.

Djeufack LB, Hamadou I, Kranrod C, Mishra R, Hosoda M, Sapra BK, Saïdou, Tokonami S

Radiation and environmental biophysics   63 ( 3 )   357 - 369   2024年08月

Contribution of Thoron and Its Progeny to the Effective Dose by Inhalation in the Uranium-Thorium Bearing Regions of Mayo Kebbi and Guéra in Chad

Ziebno Patale, Bineng Guillaume Samuel, Chutima Kranrod, Oumar Bobbo Modibo, Takoukam Soh Serge Didier, Hamadou Yerima Abba, Yasutaka Omori, Masahiro Hosoda, Saïdou, Ekobena Henri Paul, Shinji Tokonami

Health Physics   2024年06月

Health Impacts of Natural Background Radiation in High Air Pollution Area of Thailand.

Autsavapromporn N, Kranrod C, Kritsananuwat R, Sola P, Klunklin P, Chitapanarux I, Jaikang C, Monum T, Hosoda M, Tokonami S

Toxics   12 ( 6 )   2024年06月

Meeting Report on “The 9th Educational Symposium on Radiation and Health by Young Scientists (ESRAH 2022)”

Hashimoto Hiroki, Nakayama Ryo, Kuwata Haruka, Poltabtim Worawat, Seino Ryosuke, Fukuda Reima, Kheamsiri Khemruthai, Pradana Radhia, Oda Yuki, Kiso Mizuki, Sampei Aoi, Kranrod Chutima, Yoshino Hironori, Matsuya Yusuke, Hosoda Masahiro

Radiation Environment and Medicine   13 ( 1 )   35 - 43   2024年02月

Status of Radon Traceability and Calibration Techniques for Radon Gas

Yuki Tamakuma, Chutima Kranrod, Masahiro Hosoda, Shinji Tokonami

Radiation Environment and Medicine   12 ( 1 )   12 - 24   2023年02月

Estimation of Ambient Dose Equivalent Rate Distribution Map Using Walking Survey Technique in Hirosaki City, Aomori, Japan.

Poltabtim W, Musikawan S, Thumwong A, Omori Y, Kranrod C, Hosoda M, Saenboonruang K, Tokonami S

International journal of environmental research and public health   20 ( 3 )   2657 - 2657   2023年02月

INFLUENCE OF SAMPLING FLOW RATE ON THORON EXHALATION RATE MEASUREMENTS BY THE CIRCULATION METHOD.

Hosoda M, Yamada R, Kobyashi H, Tamakuma Y, Nugraha ED, Hashimoto H, Negami R, Kranrod C, Omori Y, Tazoe H, Akata N, Tokonami S

Radiation protection dosimetry   198 ( 13-15 )   904 - 908   2022年09月

PERFORMANCE EVALUATION OF COMMERCIAL SCINTILLATION COCKTAILS FOR LOW-LEVEL TRITIUM COUNTING BY HIGH-CAPACITY LIQUID SCINTILLATION COUNTER.

Kuwata H, Tazoe H, Kranrod C, Fujiwara K, Terashima M, Matsueda M, Hirao S, Akata N

Radiation protection dosimetry   198 ( 13-15 )   1014 - 1018   2022年09月

An Overview of Passive-Type Detectors for Radon and Its Progeny Measurement

Poltabtim Worawat, Kranrod Chutima, Tokonami Shinji

Radiation Environment and Medicine   11 ( 2 )   41 - 49   2022年08月

Meeting Report of the 8th Educational Symposium on Radiation and Health by Young Scientists (ESRAH2021) and the 4th Workshop on Radiation Research and Its Related Issue: Summary of Lectures, Presentations, and Troubleshooting When Running International Online Symposium

Nakayama Ryo, Sato Yoshiaki, Hasegawa Kazuki, Takebayashi Kai, Sato Hikari, Djatnika Nugraha Eka, Yachi Yoshie, Seino Ryosuke, Yamashita Tomoya, Mori Hiroaki, Kranrod Chutima, Date Hiroyuki, Hosoda Masahiro

Radiation Environment and Medicine   11 ( 2 )   66 - 74   2022年08月

Meeting report of the 8th Educational Symposium on Radiation and Health by Young Scientists (ESRAH2021) and the 4th Workshop on Radiation Research and Its Related Issue: summary of lectures, presentations, and troubleshooting when running international online symposium.

Ryo Nakayama, Yoshiaki Sato, Kazuki Hasegawa, Kai Takebayashi, Hikari Sato, Eka Djatnika Nugraha, Yoshie Yachi, Ryosuke Seino, Tomoya Yamashita, Hiroaki Mori, Chutima Kranrod, Hiroyuki Date, Masahiro Hosoda

Radiation Environment and Medicine   11 ( 2 )   66 - 74   2022年08月

INTERNAL EXPOSURE FROM INDOOR RADON, THORON AND THEIR PROGENY IN RESIDENCE AROUND HIGH BACKGROUND RADIATION AREA, PHANG NGA PROVINCE, THAILAND.

Rattanapongs CP, Kranrod C, Jitpakdee M, Tokonami S, Chanyotha S

Radiation protection dosimetry   198 ( 8 )   467 - 471   2022年07月

Health Effects of Natural Environmental Radiation during Burning Season in Chiang Mai, Thailand

Autsavapromporn, Narongchai, Chutima Krandrod, Pitchayaponne Klunklin, Rawiwan Kritsananuwat, Churdsak Jaikang, Kittikun Kittidachanan, Imjai Chitapanarux, Somchart Fugkeaw, Masahiro Hosoda, and Shinji Tokonami.

life   12 ( 6 )   853 - 853   2022年06月

²²²Rn and ²²⁶Ra Concentrations in Spring Water and Their Dose Assessment Due to Ingestion Intake.

Yamada R, Hosoda M, Tabe T, Tamakuma Y, Suzuki T, Kelleher K, Tsujiguchi T, Tateyama Y, Nugraha ED, Okano A, Narumi Y, Kranrod C, Tazoe H, Iwaoka K, Yasuoka Y, Akata N, Sanada T, Tokonami S

International journal of environmental research and public health   19 ( 3 )   1758 - 1758   2022年02月

Heavy Metal Assessments of Soil Samples from a High Natural Background Radiation Area, Indonesia.

Nugraha ED, Mellawati J, Wahyudi, Kranrod C, Makhsun, Tazoe H, Ahmad H, Hosoda M, Akata N, Tokonami S

Toxics   10 ( 1 )   39 - 39   2022年01月

RADON AND THORON EXHALATION RATES FROM EARTHEN BUILDING MATERIALS USED IN HIGH BACKGROUND RADIATION AREAS OF HOMA AND RURI, KENYA.

Odongo WOG, Chege M, Tokonami S, Hashim N, Kranrod C, Nyambura C

Radiation protection dosimetry   197 ( 1 )   12 - 18   2021年11月

Virtual Meeting Report : The 3rd Workshop on Radiation Research and its Related Issues and the 7th Educational Symposium on Radiation and Health by Young Scientists (ESRAH2020)

Radiation Environment and Medicine   10 ( 2 )   115 - 121   2021年08月

Measurement of NORM in Building Materials to Assess Radiological Hazards to Human Health and Develop the Standard Guidelines for Residents in Thailand: Case Study in Sand Samples Collected from Seven Northeastern Thailand Provinces

Sola Phachirarat, Injarean Uthaiwan, Picha Roppon, Kranrod Chutima, Kukusamude Chunyapuk, Tokonami Shinji

ATMOSPHERE   12 ( 8 )   1024 - 1024   2021年08月

A unique high natural background radiation area in Indonesia: a brief review from the viewpoint of dose assessments

Nugraha Eka Djatnika, Hosoda Masahiro, Tamakuma Yuki, Kranrod Chutima, Mellawati June, Akata Naofumi, Tokonami Shinji

JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY   330 ( 3 )   1437 - 1444   2021年07月

Support activities in Namie Town, Fukushima undertaken by Hirosaki University.

Tokonami S, Miura T, Akata N, Tazoe H, Hosoda M, Chutima K, Kudo H, Ogura K, Fujishima Y, Tamakuma Y, Shimizu M, Kikuchi K, Kashiwakura I

Annals of the ICRP   50 ( 1_suppl )   014664532110068 - 014664532110068   2021年06月

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

Chutima Kranrod, Supitcha Chanyotha, Shinji Tokonami, Tetsuo Ishikawa

Journal of environmental radioactivity   229-230   106506 - 106506   2021年04月

Long-Term Measurements of Radon and Thoron Exhalation Rates from the Ground Using the Vertical Distributions of Their Activity Concentrations.

Oumar Bobbo Modibo, Yuki Tamakuma, Takahito Suzuki, Ryohei Yamada, Weihai Zhuo, Chutima Kranrod, Kazuki Iwaoka, Naofumi Akata, Masahiro Hosoda, Shinji Tokonami

International journal of environmental research and public health   18 ( 4 )   2021年02月

Long-Term Measurements of Radon and Thoron Exhalation Rates from the Ground Using the Vertical Distributions of Their Activity Concentrations.

Modibo OB, Tamakuma Y, Suzuki T, Yamada R, Zhuo W, Kranrod C, Iwaoka K, Akata N, Hosoda M, Tokonami S

International journal of environmental research and public health   18 ( 4 )   1489 - 1489   2021年02月

Radon Activity Concentrations in Natural Hot Spring Water: Dose Assessment and Health Perspective.

Eka Djatnika Nugraha, Masahiro Hosoda, June Mellawati, Untara Untara, Ilsa Rosianna, Yuki Tamakuma, Oumar Bobbo Modibo, Chutima Kranrod, Kusdiana Kusdiana, Shinji Tokonami

International journal of environmental research and public health   18 ( 3 )   2021年01月

Radon Activity Concentrations in Natural Hot Spring Water: Dose Assessment and Health Perspective.

Nugraha ED, Hosoda M, Mellawati J, Untara U, Rosianna I, Tamakuma Y, Modibo OB, Kranrod C, Kusdiana K, Tokonami S

International journal of environmental research and public health   18 ( 3 )   920 - 920   2021年01月

Determination of Activity Concentration of Natural Radionuclides and Radiation Hazards' Assessment of Building Materials in High Background Radiation Areas of Homa and Ruri, Kenya.

Odongo WOG, Chege M, Hashim N, Tokonami S, Chutima K, Rotich C

TheScientificWorldJournal   2021   9978619 - 7   2021年

Identifying indoor radon sources in Pa Miang, Chiang Mai, Thailand.

Thumvijit T, Chanyotha S, Sriburee S, Hongsriti P, Tapanya M, Kranrod C, Tokonami S

Scientific reports   10 ( 1 )   17723   2020年12月

An Improved Passive CR-39-Based Direct 222Rn/220Rn Progeny Detector

Jun Hu, Guosheng Yang, Chutima Kranrod, Kazuki Iwaoka, Masahiro Hosoda, Shinji Tokonami

International journal of environmental research and public health   17 ( 22 )   2020年11月

An Improved Passive CR-39-Based Direct ²²²Rn/²²⁰Rn Progeny Detector.

Hu J, Yang G, Kranrod C, Iwaoka K, Hosoda M, Tokonami S

International journal of environmental research and public health   17 ( 22 )   8569 - 8569   2020年11月

Identifying Indoor Radon Sources in Pa Miang, Chiang Mai, Thailand

Tarika Thumvijit, Supitcha Chanyotha, Sompong Sriburee, Pongsiri Hongsriti, Monruedee Tapanya , Chutima Kranrod and Shinji Tokonami

Scientific Reports   2020年10月

A Comparative Study of the Outdoor Absorbed Dose Rate in Air by In-situ and Soil-sampling-based Measurement Methods

Radiation Environment and Medicine   9 ( 2 )   98 - 104   2020年08月

Passive-Type Radon Monitor Constructed Using a Small Container for Personal Dosimetry

Tamakuma, Y.; Kranrod, C.; Suzuki, T.; Watanabe, Y.; Ploykrathok, T.; Negami, R.; Nugraha, E.D.; Iwaoka, K.; Janik, M.; Hosoda, M.; Tokonami, S.

International journal of environmental research and public health   17 ( 16 )   2020年08月

Passive-Type Radon Monitor Constructed Using a Small Container for Personal Dosimetry.

Yuki Tamakuma, Chutima Kranrod, Takahito Suzuki, Yuki Watanabe, Thamaborn Ploykrathok, Ryoju Negami, Eka Djatnika Nugraha, Kazuki Iwaoka, Mirosław Janik, Masahiro Hosoda, Shinji Tokonami

International journal of environmental research and public health   17 ( 16 )   2020年08月

Passive-Type Radon Monitor Constructed Using a Small Container for Personal Dosimetry.

Tamakuma Y, Kranrod C, Suzuki T, Watanabe Y, Ploykrathok T, Negami R, Nugraha ED, Iwaoka K, Janik M, Hosoda M, Tokonami S

International journal of environmental research and public health   17 ( 16 )   5660 - 5660   2020年08月

A comparative study of the outdoor absorbed dose rate in air by in-situ and soil- sampling-based measurement methods

C. Kranrod, S. Chanyotha, P. Pengvanich, R. Kritsananuwat, T. Ploykrathok, P. Sriploy, M. Hosoda, S. Tokonami

Radiation Environment and Medicine   9 ( 2 )   98 - 104   2020年08月

CAR-BORNE SURVEY OF NATURAL BACKGROUND GAMMA RADIATION IN WESTERN, EASTERN AND SOUTHERN THAILAND.

Chutima Kranrod, Supitcha Chanyotha, Phongphaegh Pengvanich, Rawiwan Kritsananuwat, Thamaborn Ploykrathok, Phongyut Sriploy, Masahiro Hosoda, Shinji Tokonami

Radiation protection dosimetry   188 ( 2 )   174 - 180   2020年06月

Importance of Discriminative Measurement for Radon Isotopes and Its Utilization in the Environment and Lessons Learned from Using the RADUET Monitor.

Kranrod C, Tamakuma Y, Hosoda M, Tokonami S

International journal of environmental research and public health   17 ( 11 )   4141 - 4141   2020年06月

Activity Concentration and Soil to Plant Transfer Factor of Natural Radionuclides in Thai Lemongrass

Kranrod Chutima, Kritsananuwat Rawiwan, Chanyotha Supitcha, Ploykrathok Thamaborn, Sriploy Phongyut

Radiation Environment and Medicine   9 ( 1 )   7 - 12   2020年02月

Activity concentration and soil to plant transfer factor of natural radionuclides in Thai lemongrass

C. Kranrod, R. Kritsananuwat, S. Chanyotha, T. Ploykrathok, P. Sriploy

Radiation Environment and Medicine   9 ( 1 )   7 - 12   2020年02月

Comparison of Radon and Thoron Concentration Measuring Systems Among Asian Countries.

Miroslaw Janik, Shinji Tokonami, Kazuki Iwaoka, Naregundi Karunakara, Shetty Trilochana, Mandya Purushotham Mohan, Sudeep Kumara, Indaje Yashodhara, Weihai Zhuo, Chao Zhao, Fangdong Tang, Linfeng He, Supitcha Chanyotha, Chutima Kranrod, Darwish Al-Azmi, Osamu Kurihara

International journal of environmental research and public health   16 ( 24 )   5019 - 5019   2019年12月

Natural Radionuclides in Agricultural Plants from Northern Thailand

R. Kritsananuwat, C. Kranrod, S. Chanyotha, T. Ploykrathok, P. Sriploy

Natural Radionuclides in Agricultural Plants from Northern Thailand   184 ( 3-4 )   397 - 399   2019年10月

Risk assessment to natural radiation exposure from soil samples in the Jasmine rice cultivated area, Roi Et province, Thailand

P Quinram, M Jitpukdee, C Pornnumpa and C Kranrod

Risk assessment to natural radiation exposure from soil samples in the Jasmine rice cultivated area, Roi Et province, Thailand   1285 ( 01 )   012014 - 012014   2019年09月

Analysis of radiological hazards from surface soils in Khong Chiam and Sirinthon districts, Ubon Ratchathani province

M Jitpukdee, P Quinram and C Kranrod

Analysis of radiological hazards from surface soils in Khong Chiam and Sirinthon districts, Ubon Ratchathani province   1285 ( 1 )   012017 - 012017   2019年09月

Radon concentration in residential areas of Bann Pang Fan, Chiang Mai province, Thailand

S Sriburee, T Thumvijit, J Kitima, P Hongsriti, M Tapanya, C Kranrod and S Chanyotha

Radon concentration in residential areas of Bann Pang Fan, Chiang Mai province, Thailand   1285 ( 1 )   012011 - 012011   2019年09月

Natural Radioactivity Concentration in Traditional Thai Herbal Medicine

C Kranrod, S Chanyotha, R Kritsananuwat, T Ploykrathok, P Pengvanich, Y Tumnoi, T Thumvijit and S Sriburee

Natural Radioactivity Concentration in Traditional Thai Herbal Medicine   1285 ( 1 )   012010 - 012010   2019年08月

Preliminary survey of radioactivity level in Thai medicinal herb plants

C. Kranrod, S. Chanyotha, R. Kritsananuwat, T. Ploykrathok, P. Pengvanich, Y. Tumnoi, T. Thumvijit, S. Sriburee

Preliminary survey of radioactivity level in Thai medicinal herb plants   860 ( 1 )   1 - 7   2017年10月

Transfer factor of 226Ra, 232Th and 40K from soil to Alpinia Galangal plant grown in northern Thailand

R. Kritsananuwat, S. Chanyotha, C. Kranrod, P. Pengvanich

Transfer factor of 226Ra, 232Th and 40K from soil to Alpinia Galangal plant grown in northern Thailand   860 ( 1 )   1 - 9   2017年10月

A Simple Laboratory System for Diffusive Radon Flux Measurements

C. Kranrod, S. Chanyotha, S. Tonlublao, W.C. Burnett,

A Simple Laboratory System for Diffusive Radon Flux Measurements   661 ( 1 )   012028 - 012028   2017年10月

Optimizing laboratory-based radon flux measurements for sediments.

Supitcha Chanyotha, Chutima Kranrod, Rawiwan Kritsananuwat, Derek Lane-Smith, William C Burnett

Journal of environmental radioactivity   158-159   47 - 55   2016年07月

Determination of radon in natural gas pipelines

S. Chanyotha, C. Kranrod, P. Pengvanich, P. Sriploy

Journal of Radioanalytical and Nuclear Chemistry   307 ( 3 )   2095 - 2099   2016年03月

Baseline data of naturally occurring radionuclides in some native vegetables and fruits in Southern Thailand.

C Kranrod, S Chanyotha, C Pornnumpa, R Kritsananuwat, P Sriploy

Radiation protection dosimetry   167 ( 1-3 )   270 - 275   2015年11月

Systematic approach to characterisation of NORM in Thailand.

S Chanyotha, C Kranrod, P Pengvanich

Radiation protection dosimetry   167 ( 1-3 )   15 - 21   2015年11月

Characteristics of indoor radon and its progeny in a Japanese dwelling while using air appliances.

C Pornnumpa, S Tokonami, A Sorimachi, C Kranrod

Radiation protection dosimetry   167 ( 1-3 )   87 - 91   2015年11月

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

Atsuyuki Sorimachi, Shinji Tokonami, Chutima Kranrod, Tetsuo Ishikawa

Health physics   108 ( 6 )   597 - 606   2015年06月

Prospecting for groundwater discharge in the canals of Bangkok via natural radon and thoron

Supitcha Chanyotha, Chutima Kranrod, William C. Burnett, Derek Lane-Smith, Jesse Simko

Journal of Hydrology   519   1485 - 1492   2014年11月

Assessing diffusive fluxes and pore water radon activities via a single automated experiment

Supitcha Chanyotha, Chutima Kranrod, William C. Burnett

Journal of Radioanalytical and Nuclear Chemistry   301 ( 2 )   581 - 588   2014年08月

Comparative analysis of radon, thoron and thoron progeny concentration measurements.

Miroslaw Janik, Shinji Tokonami, Chutima Kranrod, Atsuyuki Sorimachi, Tetsuo Ishikawa, Masahiro Hosoda, James McLaughlin, Byung-Uck Chang, Yong Jae Kim

Journal of radiation research   54 ( 4 )   597 - 610   2013年07月

Measurement of radon and thoron progeny size distributions and dose assessments at the mineral treatment industry in Thailand

Chutima Kranrod, Supitcha Chanyotha, Nares Chankow, Shinji Tokonami, Tetsuo Ishikawa

Journal of Radioanalytical and Nuclear Chemistry   296 ( 2 )   625 - 630   2013年05月

Natural radionuclide concentrations in processed materials from Thai mineral industries.

S Chanyotha, C Kranrod, N Chankow, R Kritsananuwat, P Sriploy, K Pangza

Radiation protection dosimetry   152 ( 1-3 )   71 - 75   2012年11月

Terrestrial Gamma Radiation in Phuket Island, Thailand

Supitcha Chanyotha, Chutima Kranrod, Shinji Tokonami, Napakan Suwankot, Karnwalee Pangza, Chanis Pornnumpa

Engineering Journal   15 ( 4 )   65 - 76   2011年10月

DEVELOPMENT OF A SIMPLE TECHNIQUE FOR MEASURING THE ACTIVITY SIZE DISTRIBUTION OF ATTACHED RADON AND.THORON PROGENY FOR DOSE ASSESSMENT

Chutima Kranrod

2011年05月

The effect of water content on the radon emanation coefficient for some building materials used in Japan

Nabil M. Hassan, Tetsuo Ishikawa, Masahiro Hosoda, Kazuki Iwaoka, Atsuyuki Sorimachi, Sarata K. Sahoo, Miroslaw Janik, Chutima Kranrod, Hidenori Yonehara, Masahiro Fukushi, Shinji Tokonami

Radiation Measurements   46 ( 2 )   232 - 237   2011年02月

International intercomparisons of integrating radon/thoron detectors with the NIRS radon/thoron chambers.

M Janik, S Tokonami, C Kranrod, A Sorimachi, T Ishikawa, N M Hassan

Radiation protection dosimetry   141 ( 4 )   436 - 439   2010年10月

Comparative dosimetry of radon and thoron.

C Kranrod, T Ishikawa, S Tokonami, A Sorimachi, S Chanyotha, N Chankow

Radiation protection dosimetry   141 ( 4 )   424 - 427   2010年10月

Long-term determination of airborne radon progeny concentrations using LR 115 detectors and the effects of thoron.

V W Y Choi, C K M Ng, R K K Lam, M Janik, A Sorimachi, C Kranrod, D Nikezic, S Tokonami, K N Yu

Radiation protection dosimetry   141 ( 4 )   404 - 407   2010年10月

A comparative study of thorium activity in NORM and high background radiation area.

S K Sahoo, T Ishikawa, S Tokonami, A Sorimachi, C Kranrod, M Janik, M Hosoda, N M Hassan, S Chanyotha, V K Parami, H Yonehara, R C Ramola

Radiation protection dosimetry   141 ( 4 )   416 - 419   2010年10月

International intercomparisons of integrating radon detectors in the NIRS radon chamber.

Miroslaw Janik, Shinji Tokonami, Tibor Kovács, Norbert Kávási, Chutima Kranrod, Atsuyuki Sorimachi, Hiroyuki Takahashi, Nobuyuki Miyahara, Tetsuo Ishikawa

Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine   67 ( 9 )   1691 - 1696   2009年09月

Mitigation of the effective dose of radon decay products through the use of an air cleaner in a dwelling in Okinawa, Japan.

Chutima Kranrod, Shinji Tokonami, Tetsuo Ishikawa, Atsuyuki Sorimachi, Miroslaw Janik, Reina Shingaki, Masahide Furukawa, Supitcha Chanyotha, Nares Chankow

Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine   67 ( 6 )   1127 - 1132   2009年06月

Mitigation of the effective dose of radon decay products through the use of an air cleaner in a dwelling in Okinawa, Japan.

Kranrod C, Tokonami S, Ishikawa T, Sorimachi A, Janik M, Shingaki R, Furukawa M, Chanyotha S, Chankow N

Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine   67 ( 6 )   1127 - 1132   2009年06月

Anomalously High Radon Concentrations in a Dwelling in Okinawa, Japan

Atsuyuki SORIMACHI, Chutima KRANROD, Shinji TOKONAMI, Tetsuo ISHIKAWA, Masahiro HOSODA, Miroslaw JANIK, Reina SHINGAKI, Masahide FURUKAWA

RADIOISOTOPES   58 ( 12 )   807 - 813   2009年

Determination of Boron in soil by using the prompt captured gamma-ray analysis techniques.

Chutima Kranrod

2002年05月

Determination of protein in soybean by using the FNAA technique

Chutima Kranrod

1998年03月

重金属と放射性核種からの複合曝露の総合評価のための水質分析【JST機械翻訳】|||

Tazoe Hirofumi, Oda Yuki, Kiso Mizuki, Sampei Aoi, Hashimoto Hiroki, Taira Yasuyuki, Omori Yasutaka, Kranrod Chutima, Shimizu Mayumi, Kudo Hiromi, Akata Naofumi, Yamada Ryohei, Yamaguchi Masaru, Hosoda Masahiro, Hosoda Masahiro, Tokonami Shinji

Radiation Environment and Medicine   13 ( 2 )   2024年

自動車搭載サーベイと人間搭載サーベイを用いたγ線線量率マップの比較【JST機械翻訳】|||

Kiso Mizuki, Kuwata Haruka, Oda Yuki, Poltabtim Worawat, Musokawan Saowarak, Kranrod Chutima, Omori Yasutaka, Hosoda Masahiro, Hosoda Masahiro, Tokonami Shinji

Radiation Environment and Medicine   13 ( 2 )   2024年

福島県浜通り地区における外部被ばくによる年間実効線量【JST機械翻訳】|||

Oda Yuki, Kiso Mizuki, Sampei Aoi, Hashimoto Hiroki, Taira Yasuyuki, Omori Yasutaka, Tazoe Hirofumi, Kranrod Chutima, Shimizu Mayumi, Kudo Hiromi, Akata Naofumi, Yamada Ryohei, Yamaguchi Masaru, Hosoda Masahiro, Hosoda Masahiro, Tokonami Shinji

Radiation Environment and Medicine   13 ( 2 )   2024年

福島沿岸地域の70の住居におけるラドンとThoronの吸入による線量評価【JST機械翻訳】|||

Hosoda Masahiro, Oda Yuki, Kranrod Chutima, Sampei Aoi, Kiso Mizuki, Taira Yasuyuki, Omori Yasutaka, Tazoe Hirofumi, Akata Naofumi, Shimizu Mayumi, Kudo Hiromi, Yamada Ryohei, Tamakuma Yuki, Tokonami Shinji

Radiation Environment and Medicine   13 ( 2 )   2024年

放射化学・放射生態学科の研究活動と飲料による内部被曝線量評価に関する研究【JST機械翻訳】|||

Kheamsiri Khemruthai, Yamada Ryohei, Kuwata Haruka, Kranrod Chutima, Thumvijit Tarika, Tazoe Hirofumi, Akata Naofumi

Radiation Environment and Medicine   13 ( 2 )   2024年

カザフスタンにおける屋内ラドン測定に関するプロジェクト 我々は何を明らかにする必要があるか?【JST機械翻訳】|||

Omori Yasutaka, Bakhtin Meirat, Kudo Hiromi, Kranrod Chutima, Yoshinaga Shinji, Tokonami Shinji, Hoshi Masaharu

Radiation Environment and Medicine   13 ( 2 )   2024年

Behaviour Analysis of Indoor Radioactive Aerosols

Chutima Kranrod, Shinji Tokonami

Forensic Science & Addiction Research   6 ( 2 )   2023年7月

Residential radon exposure in Astana and Aqsu, Kazakhstan.

Tokonami S, Kranrod C, Kazymbet P, Omori Y, Bakhtin M, Poltabtim W, Musikawan S, Pradana R, Kashkinbayev Y, Zhumadilov K, Pirmanova A, Aumalikova M, Isa Z, Sakaguchi A, Sato H, Hoshi M

Journal of radiological protection : official journal of the Society for Radiological Protection   43 ( 2 )   023501 - 023501   2023年6月

Status of Radon Traceability and Calibration Techniques for Radon Gas

Yuki Tamakuma, Chutima Kranrod, Masahiro Hosoda, Shinji Tokonami

Radiation Environment and Medicine   12 ( 1 )   12 - 24   2023年3月

An Overview of Passive-Type Detectors for Radon and Its Progeny Measurement

Worawat Poltabtim, Chutima Kranrod, Shinji Tokonami

Radiation Environment and Medicine   11 ( 2 )   41 - 49   2022年8月

Meeting report of the 8th Educational Symposium on Radiation and Health by Young Scientists (ESRAH2021) and the 4th Workshop on Radiation Research and Its Related Issue: summary of lectures, presentations, and troubleshooting when running international online symposium.

Nakayama R, Sato Y, Hasegawa K, Takebayashi K, Sato H, Nugraha ED, Yachi Y, Seino R, Yamashita T, Mori H, Kranrod C, Date H, Hosoda M.

2022年8月

Virtual Meeting Report: “The 3rd Workshop on Radiation Research and its Related Issues and the 7th Educational Symposium on Radiation and Health by Young Scientists (ESRAH2020)”

Yoshiaki Sato, Kazuki Hasegawa, Mizuki Sakamoto, Yoko Suzuki, Valerie Swee, Ting Goh, Eka Djatnika Nugraha, Ryo Nakayama, Tomoki Koiwa, Ryoju Negami, Kazuki Narumi, Chutima Kranrod, Chanis Pornnumpa, Takakiyo Tsujiguchi, Toshiya Nakamura

Radiation Environment and Medicine 2021   10 ( 2 )   115 - 121   2021年8月

A unique high natural background radiation area in Indonesia: a brief review from the viewpoint of dose assessments

Eka Djatnika Nugraha, Masahiro Hosoda, Yuki Tamakuma, Chutima Kranrod, June Mellawati, Naofumi Akata, Shinji Tokonami

Journal of Radioanalytical and Nuclear Chemistry   2021年7月

Support activities in Namie Town, Fukushima undertaken by Hirosaki University

S Tokonami, T Miura, N Akata, H Tazoe, M Hosoda, Kranrod C, H Kudo, K Ogura, Y Fujishima, Y Tamakuma, M Shimizu, K Kikuchi, I Kashiwakura

2021年6月

A unique high natural background radiation area in Indonesia: a brief review from the viewpoint of dose assessments.

Nugraha, E.D., Hosoda, M., Tamakuma, Y., Kranrod C., Mellawati, J., Akata, N., & Tokonami, S.

Journal of Radioanalytical and Nuclear Chemistry   ( 330 )   1437 - 1444   2021年

Importance of Discriminative Measurement for Radon Isotopes and Its Utilization in the Environment and Lessons Learned from Using the RADUET Monitor

C. Kranrod, Y Tamakuma, M Hosoda, S Tokonami

International journal of environmental research and public health   17 ( 11 )   4141   2020年6月

2023年度，放射線計測学，専門教育科目（学部）

2023年度，English-speaking for beginners’class and Hirosaki University Liberal Arts English Courses，教養教育科目

2023年度，物理学の世界－環境放射線計測学演習－（副専攻「放射線総合科学」科目），教養教育科目