Publications

change and behavior of residual mercury in paddy soils and rice of japan.	paddy soils collected near agano river, niigata prefecture in japan. agano river is located on an attack area of niigata-minamata disease. soil samples were collected from 122 sites in 1989 and 120 sites in 1997. as a result, the total mercury concentrations were ranged from 0.019 to 0.62ppm based on dry weight with a mean 0.155ppm in 1989, and from 0.015 to 0.34 with a mean 0.146ppm in 1997. the decrease of residual mercury concentrations in paddy soils was only 0.009ppm in the interval of eigh ...	1998	9753762
influence of emission from rice straw burning on bronchial asthma in children.	emission from rice straw burning (ersb) is observed everywhere after harvest of rice in niigata prefecture every year. pediatricians and many guardians in this district have had the impression that ersb may induce asthma attack. recent studies have suggested that particulate air pollution plays a role in the exacerbation of asthma. the authors investigated relationship of ersb to asthma attack in children.	2000	10804729
mass balance and long-term fate of pcdd/fs in a lagoon sediment and paddy soil, niigata, japan.	polychlorinated dibenzo-p-dioxins (pcdds) and polychlorinated dibenzofurans (pcdfs) in a sediment core and in samples of surface sediment and paddy soil collected from the toyano lagoon and kameda basin in niigata, japan, were analyzed to elucidate the temporal trends of their concentrations in the lagoon sediment and the relationship between the sediment and the paddy soil. the mass balance of these pollutants was also estimated to determine their long-term fate in surface waters. an analysis b ...	2008	18635299
low prevalence of metabolic syndrome and its components in rural japan.	tsunan, niigata is a non-westernized rural japanese town, known for heavy snowfalls and as a rice-producing area, whose inhabitants have a long life expectancy. we investigated the prevalence of obesity, metabolic syndrome (mets) and its components in tsunan. a total of 1,155 men and women, 40-69 years of age were recruited from participants in the 2005 public-health program in tsunan. obesity was defined as body-mass index (bmi) >or= 25 kg/m(2). mets was defined as bmi >or= 25 kg/m(2) as well a ...	2008	18719340