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Environmental studies at NMCCK. Sera, Cyclotron Research Center, Iwate-Medical Univ.
Changes of the number of analyzed samples at NMCC
0 1000 2000 3000 4000 5000 6000 7000
Number of Sample
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
Fisc
al Y
ear
1990-2005
Life sciences
Environmental
Other fields
Development
Start of common utilization
Recent years
Number of analyzed samples(life and environmental sciences)
0 1000 2000 3000 4000 5000 6000
Number of samples
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
Fisc
al y
ear Clinical Med.
Fundamental Med.
DentistryVeterinary Med.
Pharmacology
Biology
Sitology
EnvironmentPublic Health & Hygiene
Agriculture
Number of analyzed samples (Environmental Studies)
0 500 1000 1500 2000 2500 3000
Number of Samples
2002/4/2～03/3/27
2003/4/1～04/3/31
2004/4/1～05/3/26
2005/4/1～06/3/31
2006/4/4～06/10/31
Fisc
al Y
ear
Aerosol-spot Aerosol-uniformRime SnowSand AshLeachate SeawaterRiver water Hotspring waterExtracted water SeaweedPlant AnimalSoil Waste woodFood HairUrine SweatTear SalivaSnivel NailBeard
Aerosol-spot
Aerosol-Uniform
Plant Hair Beard
Food Hair Beard
Soil
Food
Hair
Hair
Urine
Aerosol-Uniform
Aerosol-Uniform
Aerosol-Spot
River-Water
Hotspring-Water
Leachate from the waste
Wood-waste
Plant
Animal
Number of samples （2002-06 fiscal years）
0 500 1000 1500 2000 2500 3000 3500 4000
Atmosphere
Water
Food
Plant & Animals
Soil , Ash, Wasted wood
Human exposure
Aerosol-spot Aerosol-uniform
RimeSnowLeachate
Sea
River
Hot spring
Extracted
Farm product
Seaweed
Plant
Animal
Soil
Ash
Sediment
Hair
Urine
Beard
Sweat, Saliva, Tear, Snivel
Recent environmental studies at NMCCAtmosphere-1 (aerosol, dust)
Elemental Composition in Siebold's Beech Seedling Roots at Shirakami-Sanchi World Heritage Area. K. Saitoh and K. Sera
Elemental components and maps of fine sand in Taklimakan Desert.Saitoh, K., Imaseki, H., Yukawa, M. and Sera, K
Determination of Elemental and Ionic Compositions for Diesel Exhaust Particles (DEP).Saitoh, K., Sera, K., Shirai, T., Sato, T. and Odaka, M.
Development of Observation Method of Long-Range Transportation of Asian Aerosols by PIXE Technique. S. Sudo, S. Futatsugawa, Y. Saito, K. Sera and H. Tsuruta
Characterization of Atmospheric Total Suspended Particulate (TSP) in a Midsize City in Northern Japan. : Non-Snow-Clad Period to Snow-Clad Period Comparison.Saitoh, K., Iwata, Y., Sera, K., and Hirano, K.
Chemical Characterization of Particles in Winter-night Smog in Tokyo.Saitoh, K., Sera, K. Hirano, K., and Shirai, T.
Field Measurements of Atmospheric Trace Gases and Aerosols at Amami-Oshima in APEX (Asian Particle Environmental Change Studies). Tsuruta, H., Sudo, S., Yonemura, S., Maeda, T., Kaneyasu, N., Sirasuna, Y., Hirano, K., Sera, K., Futatsugawa, S. and Imasu, R.
Characterization and Episodes of Atmospheric Aerosols measured at Amami-Oshimaduring 15 Mar.-16 Apr. 2003Tsuruta, H., Sudo, S., Shirasuna, Y., Hirano, K., Sera, K., Futatsugawa, S. and Maeda, T.
Characterization of atmospheric aerosols at Amami-Oshima during APEX campaign field measurement of E1, E2, and E3
Tsuruta, H., Sudo, S., Shirasuna, Y., Hirano, K., Sera, K., Futatsugawa, S. and Maeda, T.
Recent environmental studies at NMCCAtmosphere-2 (fog, technical development)
Transport Course of Insoluble and Soluble Substances of Fog Water in Akita Prefecture in Northern Japan.
Kikuchi, R., Inotume, J., Yoshimura, K., Kajikawa, M., Ogawa, N., Sera, K. and Ozeki, T.
Relationship among the content ratios of insoluble substances and of variation concent-rations in fog water at Hachimantai from 1997 to 1999 nd the 72h back trajectories.J. Inotsume, R. Kikuchi, T. Okamura, T. Adzuhara, M. Kajikawa, N. Ogawa, T. Ozeki , K. Sera
Development of a Mini Step Sampler for Air-Pollution Monitoring.S. Matsuyama, S. Sugihara, K .Ishii, H. Yamazaki, K. Katoh, T. Satoh, Ts. Amartaivan, A. Tanaka, H.Komori , H. Orihara, E. Nakamura, N. Satoh, S. Futatsugawa and K. Sera
Multi-site Aerosol Monitoring Using Mini Step Sampler. Matsuyama, S., Katoh, K., Sugihara, S., Ishii, K., Yamazaki, H., Satoh, T., Amartaivan, Ts., Tanaka, A., Komori, H., Hotta, K., Izukawa, D., Mizuma, K., Orihara, H., Nakamura, E., Satoh, N., Futatsugawa, S. and Sera, K.
Recent environmental studies at NMCCWater
Elemental Analysis of Suspended Solids Determined by PIXE and the Estimation on Annual Amount of Mass Transfer in a River System S.Kaburagi, K.Sera, H.Oda, A.Kawasaki, T.Suetsugi, Y.Suwa, T.Futamura, K.Tamura and T.Higashi
Elemental analysis of suspended solid in river water by PIXES. Kaburagi, K. Sera, T. Suetsugi, Y. Suwa, T. Futamura, K.Tamura T. Higashi
PIXE Analysis of Trace Heavy-Metals in River Waters Using an Ion-Exchange Filter PaperTs.Amartaivan, H.Yamazaki, K.Ishii, S.Matsuyama, Y.Takahashi, T.Satoh, H.Orihara, K.Sera, S.Futatsugawa
The contents of element in hot spring water and the levels of element in human hair with PIXE analysis K. Chiba, A. Iwane, M. Tatsumi, H. Satoh, H. Yamauchi and K. Sera
Seasonal changes of spring water at the foot of Mt. Iwate.Y. Saitoh, K. Doi, S. Hatakeyama, S. Futatsugawa, K. Sera, T. Saitou and N. Doi
PIXE analyses of the 1000-meter deep drilled-core rock samples from Yomoto, Aikiu, Miyagi, JapanHirokazu Fujimaki, Yusuke Kanahara, Koichiro Sera and Shouji Futatugawa
Recent environmental studies at NMCCWaste
Analysis of Liquid Waste Using PIXES. FUTATSUGAWA, S. HATAKEYAMA, Y. SAITOH, M.MATSUSHITA , H.INOUE and K.SERA
PIXE analysis of incineration ashes.S. Futatsugawa, M. Matsushima, S. Kobayashi, S. Hatakeyama, Y. Saitoh and K. Sera
PIXE analysis of soil and water samples around a disposal site southwestern Miyagi prefecture, Japan.H. Fujimaki, M. Suzuki, T. Tamura, H. Takamura, K. Sera, S. Futatugawa and K. Abe
Recent environmental studies at NMCCHuman exposure to toxic elements and intake of required elementsElement Concentrations in Hair of Children Living Near the Aral Sea: Comparison with
Two Districts Depending on the Distance from the Aral SeaM. Chiba, K. Sera, M. Hashizume, S. Sasaki, T. Shimoda, O. Kunii, Y. Inaba
Study of Arsenic in Bangladesh groundwater by PIXE Analysis ⅡS．Miono, M.A.Habib and K. Sera
A survey report of an artisanal mining site in MongoliaS,Murao, K. Sera, S. Futatsugawa, B. Tumenbayar and R. Nukushina
The study of mechanism of the DNA damage of Japanese healthy people.Hiroshi Yamauchi, Masahito Aminaka, Katusmi Yoshida1 Kouichiro Sera
Study on the relationship between the urinary concentration of trace elements and 8-hydroxydeoxyguanosine in persons who eat much marine productsKeiko Chiba, Masahito Aminaka Hiroshi Yamauchi2and Kouichiro Sera
Quantitative Analysis of Untreated Bio-samples for Monitoring Human Exposure to Heavy Metals – Ⅰ Application of a Standard-free Method to Quantitative Analysis of Urine Samples K. Sera, S. Futatsugawa and Y. Miura
Human Exposure to Heavy Metals – Ⅱ Quantitative Analysis of Untreated Nail SamplesK. Sera, S. Futatsugawa, S. Murao and E. Clemente
The contents of element in hot spring water and the levels of element in human hair with PIXE analysis K. Chiba, A. Iwane, M. Tatsumi, H. Satoh, H. Yamauchi and K. Sera
Study of toxic arsenic in Bangladesh by PIXE analysis -1M. A. Habib, S. Miono, S. Futatsugawa and K. Sera
Recent environmental studies at NMCCHuman exposure -2
Finding of High Level Arsenic for Mongolian Villagers’ Hair. Murao, S., Tumenbayar, B. Sera, K., Futatsugawa, S. and Waza, T.
PIXE Analysis of Hair Samples from Artisanal Mining Communities in the Acupan Region, Banguet, Philippnes Clemente, E., Sera, K., Futatsugawa, S. and Murao, S.
Element Concentrations in Hair of Children Living in the Environmentally Degradated District of the East Aral Sea Region.Chiba, M., Sera, K., Hashizume, M., Shimoda, T., Sasaki., S., Kunii, O. and Inaba, Y.
The Role of PIXE in Environmental Monitoring and Education of Small-scale Mining of Gold. Murao, S., Sera, K., Maglambayan, V.B., Daisa, E., Futatsugawa, S. Yukawa, M., Takeda, S. and Imaseki, H.
Trace Element Concentration of Leaf and Ash from a Waste Pond at Fankou Mine, China.Murao, S., Sera, K., Futatsugawa, S., Chen, B. and Sun, X.
Trace Element Analysis of Tailings from an Indigenous Mining Community, Benguet,Philippines. Murao, S., Futatsugawa, S., Sera, K. and Maglambayan, V. B.
PIXE Analysis of Hair in Arsenic Pollution, Bangladesh.Habib, M., A., Miono, S., Sera, K. and Futatsugawa, S.
Quantitative Analysis of Untreated Human Nails for Monitoring Human Exposure to Heavy Metal . Sera, K., Futatsugawa, S. Miura, Murao, S. and Clemente, E.
Mercury contamination associated with small-scale gold mining in the upper AmbalangaRiver, Benquet, Philippines. Maglambayan, V. B., Murao, S., Rytuba, J., Daisa, E., Sera, K., Futatsugawa, S. Jerome, T. and Corpus, C.
International Projectsfor investigating human exposure to toxic elements.
[1] Human exposure to mercury at small-scale mining sites in the Philippines and Mongolia. (Mainly hair & Nail)
[2] Human exposure to arsenic in Bangladesh. (Hair & Nail)
[3] Human exposure to arsenic in China. (Hairs & Urines)
[4] Investigation on the cause of an endemic disease in Kazakhstan and Thailand. (Hair, Serum & Urine)
[5] Human exposure to toxic elements caused by burning coals in China. (Hair)
Element Concentrations in Hair of Children Living in the Environmentally Degradated District of the East Aral Sea Region.
Chiba, M., Sera, K. and Shimomura, K
Zhanakorgan
Almaty
KazalinskAral Sea
Na BrAl
As
A typical manner of gold amalgamation(Small-scale mining in the Philippines)
0.01
0.1
1
10
100
1000
10000
100000
Na Mg Al Si P S Cl K Ca Ti Ｖ Cr Mn Fe Ni Cu Zn Se As Br Rb Sr Nb Mo Hg Pb
Elements
Con
cent
ratio
n in
ppm
Mn
As
Hg
19 women in the Philippines
Changes in Elemental Concentration Depending on the distance from the Root
in a 14 cm-length hair taken from a woman engaged in gold amalgamation
1
10
100
1000
10000
100000
1 2 3 4 5 6 7 8 9 10 11 12 13 14
Distance from the root in cm
Con
cent
ratio
n in
ppm
S
Cl
K
Ca
Mn
Fe
Cu
Zn
Br
Sr
Hg
Pb
Hg
Contamination of well water by arsenic in China
Represented by Dr. H. Yamauchi, St. Marianna Medical Univ.
Keratosis on the sole of foots
Keratosis on the palm of a hand
Skin cancer caused by arsenic
Sampling of hair samples
Elemental Concentration in Hair(92 Chinese People)
Arsenic Poisoning in China
0.01
0.1
1
10
100
1000
10000
100000
Na Mg Al Si P S Cl K Ca Ti V Cr Mn Fe Ni Cu Zn As Se Br Rb Sr Nb Mo Hg Pb
Elements
Con
cent
ratio
n in
ppm
AsMn
Contamination of well water by arsenic in Bangladesh
Highly contaminated area
Keratosis
Elemental concentration in hair of 700 Bangladesh people
0.01
0.1
1
10
100
1000
10000
100000
Na Mg Al Si P S Cl K Ca Ti V Cr Mn Fe Ni Cu Zn As Se Br Rb Sr Nb Mo Hg Pb
Elements
Con
cetr
atio
n in
ppm
AsMn
Fe
Br
PIXE Analysis of Hair in Arsenic Pollution, BangladeshM. A. Habib, S. Miono, K. Sera and S. Futatsugawa
Inverse correlation between arsenic and selenium
Se
As
Contamination by Fluorine in China
There are two pathways;
Well water contamination
Air pollution originated from coal burning
Effect of coal burning in the house
Sooty foods in the house
The first symptom of fluorine poisoning
The latest symptom of fluorine poisoning
Elemental Concentration in Hair(252 Chinese people suffering from fluorine poisoning)
0.01
0.1
1
10
100
1000
10000
100000
Na Mg Al Si P S Cl K Ca Ti V Cr Mn Fe Ni Cu Zn As Se Br Rb Sr Nb Mo Hg Pb
Elements
Con
cent
ratio
n in
ppm
AsMn
Fe
1)Institute of Biological Science, Univ. of Tsukuba, 3)Cyclotron Research Center, Iwate Med. Univ.,4) JIRCAS laboratory, c/o Faculty of Fisheries, Kasetsart University
5) Faculty of Fisheries, Kasetsart University
T, Matsuzawa1),2)，K. Sera3)，Y. Fujioka4)
S. Tsunkijjanukiji 5), Y. Musig 5), Y. Shiraiwa1)
平成18年5月 日
Water Pollution
Propagation of algae
Weather conditions
Excessive feeds
Occurrence of Weak Individuals
Changes of Elemental Concentration in Shrimp during Culturing
Brain
1
1.5
2
2.5
K S P Na Ca Cl Mg Si Fe Al Br Pb Sr Rb Mn Se Cr Ti Ni
Rat
io
Hepatopancreas
1
1.5
2
2.5
K S P Na Ca Cl Mg Si Fe Al Br Pb Sr Rb Mn Se Cr Ti Ni
Rat
ioR
atio
Hepatopancreas
1
1
1.5
1.5
2.5
2.5
2
2
Rat
io
K S P Na Ca Cl Mg Si Fe Al Br Pb Sr Rb Mn Se Cr
Ti
Ni
（weak / healthy）（healthy / weak）
Results of PIXE Analysis
Healthy Body
Weak Body
Elemental Concentration in Edible Tangle (Seaweed)
1.00
10.00
100.00
1,000.00
10,000.00
100,000.00
1,000,000.00
Mg Si P S Cl K Ca Mn Fe Cu Zn As Br Sr IElements
n
Pd
A1
A2
Con
cent
ratio
n in
ppm
As
APPLICATION OF A POWDERED-INTERNAL-STANDARD METHODTO PLANT AND SEAWEED SAMPLES J. ITOH, S. FUTATSUGAWA and Y. SAITOH and K. SERA
Arsenic and Cadmium in Marine Foods
1
10
100
1000
10000
100000
0 100 200 300 400 500 600 700 800 900 1000
Channel Number
Cou
nts/
Cha
nnel
Hijiki(seaweed)（As=29.9ｐｐｍ）
Total foods a day（As=2.3ppm)
Mid-gut grant of a scallop（Cd=355.1ppm, As=380.3ppm))
Cd-Kα
As-Kα
As-Kβ
Cd-Kβ
Hijiki
Scallop
Total foods
PIXE Analysis of the leachate from an industrial-waste-disposal areaH. Fujimaki, M. Suzuki, T. Tamura, H. Takamura and K.Sera
PIXE Analysis of Carcinogenic Trace Elements Including in Hot Spring Water
K. Chiba, M. Aminaka, H. Yamauchi and K. Sera
Arsenic concentration
in hot spring water
Concentration of toxic elements including arsenic
Effect of arsenic contamination flows out of a hot spring on the basin of the river
H. Satoh，D. Ishiyama，T. Mizuta and K.Sera
• Tamagawa hot spring is well known for its effectiveness to medical treatment
Investigation area
However, the hot spring water contains much arsenic, and its effect on the basin of the river becomes a serious problem.
Estimation of the effect of acid rain by means of analysis of young leaves
K. Saitoh and K. Sera
World Heritage Area
STUDIES ON DAILY CHANGES OF ELEMENTAL CONCENTRATION
IN BEARD SAMPLES BY MEANS OF THE STANDARD-FREE METHOD
K. SERA and T. SASAKICyclotron Research Center, Iwate Medical University348-58 Tomegamori, Takizawa, Iwate 020-0173, JapanJ. ITOH and Y. SAITOHTakizawa laboratory, Japan Radioisotope Association348-58 Tomegamori, Takizawa, Iwate 020-0173, Japan
Changes of Toxic Element Concentration in Beard Samples Collected over 33 Days.
0.01
0.1
1
10
100
1000
10000
2005
/5/21
2005
/5/22
2005
/5/23
2005
/5/24
2005
/5/25
2005
/5/26
2005
/5/27
2005
/5/28
2005
/5/29
2005
/5/30
2005
/5/31
2005
/6/1
2005
/6/2
2005
/6/3
2005
/6/4
2005
/6/5
2005
/6/6
2005
/6/7
2005
/6/8
2005
/6/9
2005
/6/10
2005
/6/11
2005
/6/12
2005
/6/13
2005
/6/14
2005
/6/15
2005
/6/16
2005
/6/17
2005
/6/18
2005
/6/19
2005
/6/20
2005
/6/21
2005
/6/22
2005
/6/23
Al Cr As Hg Pb
Changes of Elemental Concentration in Beard and Urine Taken from the Same Person in the Same Period.(Essential Elements)
1
10
100
1000
10000
100000
1/1
7-m
1/1
7-n
1/1
8-m
1/1
8-n
1/1
9-m
1/1
9-n
1/2
0-m
1/2
0-n
1/2
1-m
1/2
1-n
1/2
2-m
1/2
2-n
1/2
3-m
1/2
3-n
1/2
4-m
1/2
4-n
1/2
5-m
1/2
5-n
1/2
6-m
1/2
6-n
1/2
7-m
Collecting days
Con
cent
ratio
n in
ppm
Na Mg S Cl K Ca Fe Cu Zn Br
0.1
1
10
100
1000
10000
1/17
- ｎ
1/18
-m
1/18
-n
1/19
-m
1/19
-n
1/20
-m
1/20
-n
1/21
-m
1/21
-n
1/22
-m
1/22
-n
1/23
-m
1/23
-n
1/24
-m
1/24
-n
1/25
-m
1/25
-n
1/26
-m
1/26
-n
1/27
-m
Collecting days
Con
cent
ratio
n in
ppm
Na Mg P S Cl K Ca Br Rb
0.01
0.1
1
10
100
1000
1/1
7-m
1/1
7-n
1/1
8-m
1/1
8-n
1/1
9-m
1/1
9-n
1/2
0-m
1/2
0-n
1/2
1-m
1/2
1-n
1/2
2-m
1/2
2-n
1/2
3-m
1/2
3-n
1/2
4-m
1/2
4-n
1/2
5-m
1/2
5-n
1/2
6-m
1/2
6-n
1/2
7-m
Collecting days
Con
cent
ratio
n in
ppm
Al Ti Cr Mn As Rb Mo Hg Pb
0.01
0.1
1
10
100
1/17
- ｎ
1/18
-m
1/18
-n
1/19
-m
1/19
-n
1/20
-m
1/20
-n
1/21
-m
1/21
-n
1/22
-m
1/22
-n
1/23
-m
1/23
-n
1/24
-m
1/24
-n
1/25
-m
1/25
-n
1/26
-m
1/26
-n
1/27
-m
Collecting days
Con
cent
ratio
n in
ppm
Al Cr Fe Cu Zn As Se I Hg
As
As
Changes of Elemental Concentration in Beard and Urine Taken from the Same Person in the Same Period.(Toxic Elements)
