Sumiyo Ishimatsu

Summary

Affiliation: University of Occupational and Environmental Health
Country: Japan

Publications

  1. [Acute effects of methyl bromide gas in rats and mice--studies on survival time]
    Hajime Hori
    Department of Environmental Management I, School of Health Sciences, University of Occupational and Environmental Health, Yahatanishi-ku, Kitakyushu 807-8555, Japan
    J UOEH 24:71-5
  2. [Sampling and detection methods of bioaerosols for the risk assessment of microorganisms in work environments]
    Sumiyo Ishimatsu
    Department of Environmental Management 1, School of Health Sciences, University of Occupational and Environmental Health, Japan
    Sangyo Eiseigaku Zasshi 48:1-6
  3. The effect of lung burden on biopersistence and pulmonary effects in rats exposed to potassium octatitanate whiskers by intratracheal instillation
    Takako Oyabu
    Institute of Industrial Ecological Sciences, Department of Environmental Health Engineering, University of Occupational and Environmental Health, Kitakyushi, Fukuoka, Japan
    J Occup Health 48:44-8
  4. The effect of lung burden on biopersistence and pulmonary effects in rats exposed to potassium octatitanate whiskers by inhalation
    Takako Oyabu
    Institute of Industrial Ecological Sciences, University of Occupational and Environmental Health, Kitayushu, Japan
    J Occup Health 46:382-90
  5. [Bioaerosol concentrations and the identification of aerosolized bacteria by 16S rDNA analysis in work environments]
    Sumiyo Ishimatsu
    Department of Environmental Management 1, School of Health Sciences, University of Occupational and Environmental Health, Japan
    Sangyo Eiseigaku Zasshi 49:39-44
  6. Pathology and mechanism of lung toxicity following inhalation of hair spray in rats
    Tatsunori Kawajiri
    Department of Respiratory Disease, University of Occupational and Environmental Health Japan, Yahatanishi, Kitakyushu, Japan
    Inhal Toxicol 16:147-53
  7. Pulmonary effects and clearance after long-term inhalation of potassium octatitanate whiskers in rats
    Hiroshi Yamato
    Institute of Industrial Ecological Sciences, University of Occupational and Environmental Health, 1 1Iseigaoka, Yahatanishi, Kitakyushu, Japan
    Inhal Toxicol 15:1421-34
  8. Biopersistence of graphite whiskers deposited in rat lungs by 4-week inhalation
    Sumiyo Ishimatsu
    Department of Environmental Management 1, School of Health Sciences, University of Occupational and Environmental Health, Japan, 1 1 Iseigaoka, Yahata Nishi, Kitakyushu 807 8555, Japan
    Inhal Toxicol 15:53-66
  9. [Vapor-liquid equilibria for multicomponent organic solvents]
    Toru Ishidao
    Department of Environmental Management I, School of Health Sciences, University of Occupational and Environmental Health, Yahatanishi-ku, Kitakyushu 807-8555, Japan
    J UOEH 26:327-35
  10. Effects of inhaled methyl bromide gas on the metabolic system and kinetics of bromine ion in rats
    Hajime Hori
    Department of Environmental Management I, School of Health Sciences, University of Occupational and Environmental Health, Yahatanishi-ku, Kitakyushu 807-8555, Japan
    J UOEH 24:151-60

Collaborators

Detail Information

Publications12

  1. [Acute effects of methyl bromide gas in rats and mice--studies on survival time]
    Hajime Hori
    Department of Environmental Management I, School of Health Sciences, University of Occupational and Environmental Health, Yahatanishi-ku, Kitakyushu 807-8555, Japan
    J UOEH 24:71-5
    ..Difference between wet and dry lung weight in the exposure group was significantly greater than that in the control group, especially for high concentrations, which suggested pulmonary edema or bronchopneumonia...
  2. [Sampling and detection methods of bioaerosols for the risk assessment of microorganisms in work environments]
    Sumiyo Ishimatsu
    Department of Environmental Management 1, School of Health Sciences, University of Occupational and Environmental Health, Japan
    Sangyo Eiseigaku Zasshi 48:1-6
    ..The combination of filter sampling and direct counting by EtBr staining was shown to be a better method for detecting and evaluating total cell concentrations in the risk assessment of sick building syndrome and allergy...
  3. The effect of lung burden on biopersistence and pulmonary effects in rats exposed to potassium octatitanate whiskers by intratracheal instillation
    Takako Oyabu
    Institute of Industrial Ecological Sciences, Department of Environmental Health Engineering, University of Occupational and Environmental Health, Kitakyushi, Fukuoka, Japan
    J Occup Health 48:44-8
    ....
  4. The effect of lung burden on biopersistence and pulmonary effects in rats exposed to potassium octatitanate whiskers by inhalation
    Takako Oyabu
    Institute of Industrial Ecological Sciences, University of Occupational and Environmental Health, Kitayushu, Japan
    J Occup Health 46:382-90
    ..It is considered that the excessive exposure which impairs the function of alveolar macrophage mediated clearance may cause the aggregation of dust cells and fibrotic changes...
  5. [Bioaerosol concentrations and the identification of aerosolized bacteria by 16S rDNA analysis in work environments]
    Sumiyo Ishimatsu
    Department of Environmental Management 1, School of Health Sciences, University of Occupational and Environmental Health, Japan
    Sangyo Eiseigaku Zasshi 49:39-44
    ..There were few differences in classifications of aerosolized bacteria by 16S rDNA sequence-based homology between the laboratory and the conference room. In both rooms, few pathogenic bacteria were observed...
  6. Pathology and mechanism of lung toxicity following inhalation of hair spray in rats
    Tatsunori Kawajiri
    Department of Respiratory Disease, University of Occupational and Environmental Health Japan, Yahatanishi, Kitakyushu, Japan
    Inhal Toxicol 16:147-53
    ....
  7. Pulmonary effects and clearance after long-term inhalation of potassium octatitanate whiskers in rats
    Hiroshi Yamato
    Institute of Industrial Ecological Sciences, University of Occupational and Environmental Health, 1 1Iseigaoka, Yahatanishi, Kitakyushu, Japan
    Inhal Toxicol 15:1421-34
    ..As for pulmonary tumors, no malignant tumors were observed, although 2 adenomas at 6 mo and 1 adenoma and 1 squamous metaplasia at 12 mo after the exposure were found in the rat lungs...
  8. Biopersistence of graphite whiskers deposited in rat lungs by 4-week inhalation
    Sumiyo Ishimatsu
    Department of Environmental Management 1, School of Health Sciences, University of Occupational and Environmental Health, Japan, 1 1 Iseigaoka, Yahata Nishi, Kitakyushu 807 8555, Japan
    Inhal Toxicol 15:53-66
    ..Morphological change of this whisker was very unique and characteristic; that is, the surface of the whiskers peeled away in the lung as a result of their stratified crystalline structure...
  9. [Vapor-liquid equilibria for multicomponent organic solvents]
    Toru Ishidao
    Department of Environmental Management I, School of Health Sciences, University of Occupational and Environmental Health, Yahatanishi-ku, Kitakyushu 807-8555, Japan
    J UOEH 26:327-35
    ..For three- or four-component solvents that are used as thinners, the calculated values are also generally in good agreement with the reference ones...
  10. Effects of inhaled methyl bromide gas on the metabolic system and kinetics of bromine ion in rats
    Hajime Hori
    Department of Environmental Management I, School of Health Sciences, University of Occupational and Environmental Health, Yahatanishi-ku, Kitakyushu 807-8555, Japan
    J UOEH 24:151-60
    ..The amount of cytochrome P450 (CYP) in liver microsomes was measured after the end of exposure. CYP in liver was not significantly different after the repeated exposure but it decreased after the single exposure...
  11. [Measurement of gene expression of CYP mRNA in liver of rats exposed to toluene and 1-butanol vapors]
    Toru Ishidao
    Department of Environmental Management I, School of Health Sciences, University of Occupational and Environmental Health, Yahatanishi-ku, Kitakyushu 807-8555, Japan
    J UOEH 28:395-400
    ..The gene expression of CYP3A2 in the simultaneous exposure group was significantly higher than that in the toluene exposure group. However, there was no significant difference in that of CYP1A2, CYP2B1, CYP2C11, CYP2E1 and CYP4A1...
  12. [Evaluation of bacterial flora in contaminated soil as a countermeasure against H2S gas production]
    Hatsumi Taniguchi
    Department of Microbiology, School of Medicine, University of Occupational and Environmental Health, Yahatanishi-ku, Kitakyushu 807-8555, Japan
    J UOEH 26:349-67
    ..Culture-independent molecular analyses of soil bacteria would give us useful information for prediction of gas production and for the evaluation of soil equilibrium...