Japanese journal of environmental toxicology最新文献_第8页

“Shi-Kan” on Ecotoxicology 生态系统的“shikan”

Japanese journal of environmental toxicology Pub Date : 2007-06-30 DOI: 10.11403/JSET.10.11

I. Aoyama

引用次数: 0

Assessment of overall herbicide effects on river ecosystems through periphyton and aquatic plants 通过周围植物和水生植物评价除草剂对河流生态系统的总体影响

Japanese journal of environmental toxicology Pub Date : 2006-01-01 DOI: 10.11403/JSET.9.51

S. Hatakeyama

引用次数: 0

Pollution by estrogens in river and estuarine waters around Kuala Lumpur, Malaysia, and their effects on the estuarine Java-medaka, Oryzias javanicus 马来西亚吉隆坡周边河流和河口水域雌激素污染及其对河口爪哇的影响

Japanese journal of environmental toxicology Pub Date : 2006-01-01 DOI: 10.11403/JSET.9.141

J. Koyama, Shoko Imai, K. Fujii, S. Kawai, C. Yap, A. Ismail

{"title":"Pollution by estrogens in river and estuarine waters around Kuala Lumpur, Malaysia, and their effects on the estuarine Java-medaka, Oryzias javanicus","authors":"J. Koyama, Shoko Imai, K. Fujii, S. Kawai, C. Yap, A. Ismail","doi":"10.11403/JSET.9.141","DOIUrl":"https://doi.org/10.11403/JSET.9.141","url":null,"abstract":"Estrogens (17 B-estradiol and estrone) concentrations in river and estuarine waters around Kuala Lumpur, Malaysia were determined by enzyme-linked immunosorbent assay while estrogenic potential of the waters were ascertained by three in vitro bioassays, namely E-screen, Ishikawa cell-alkaline phosphatase and yeast estrogen screen. Moreover, hepatic vitellogenin, a precursor of yolk protein that is specific to females, were examined in male and female Java-medaka collected in the same area. 17B-estradiol and estrone concentrations were less than 6.1 ng/L and 127 ng/L, respectively. The highest 17B-estradiol equivalent activity, 284 ng/L, was detected by in vitro assay in Sungai Kuyoh, which was adjacent to a sewage plant. 17B-estradiol and estrone concentrations were not equal to their estrogenic potentials determined by in vitro assay implying the presence of other estrogenic chemicals in these waters. Hepatic vitellogenin concentrations of both male and female java-medaka were the same to laboratory-cultured individuals. Although relatively high estrogen concentrations were detected in some waters of Malaysia, these were not high enough to induce hepatic vitellogenin in male fishes. Further research, however, is necessary to cover more number of sampling sites.","PeriodicalId":14585,"journal":{"name":"Japanese journal of environmental toxicology","volume":"12 1","pages":"141-147"},"PeriodicalIF":0.0,"publicationDate":"2006-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85081086","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 10

Acute Toxicity of the Insecticide Diazinon and Carbaryl to Calanoid and Cyclopoid Copepoda (Eodiaptomus, Mesocyclops and Thermocyclops) in Different Life Stages 杀虫剂二嗪酮和西威尼对角足类和Cyclopoid桡足类(Eodiaptomus, mescyclops和Thermocyclops)不同生命阶段的急性毒性

Japanese journal of environmental toxicology Pub Date : 2006-01-01 DOI: 10.11403/JSET.9.133

Hirokazu Takahashi, Kwang‐Hyeon Chang, T. Hanazato

引用次数: 2

Toxicity identification evaluation on industrial and municipal solid waste landfill leachates 工业和城市生活垃圾填埋场渗滤液的毒性鉴定评价

Japanese journal of environmental toxicology Pub Date : 2006-01-01 DOI: 10.11403/JSET.9.11

Lei Lei, M. Piao, H. Nishizaki, Hirofumi Nakamura, I. Aoyama

引用次数: 3

Current environmental pesticide sciences with fish 当前环境农药科学与鱼类

Japanese journal of environmental toxicology Pub Date : 2006-01-01 DOI: 10.11403/JSET.9.69

S. Kashiwada

引用次数: 0

Ecotoxicity testing of bioremediation agents for shoreline oil-spill clean up 岸线溢油清理生物修复剂的生态毒性试验

Japanese journal of environmental toxicology Pub Date : 2006-01-01 DOI: 10.11403/JSET.9.115

Tomoyasu Hirano, R. Masho, Daisuke Koizumi, S. Tabata, Kentaro Suzuki, Mai Sakabe, Y. Nakano, Nobuyuki Sato, R. Sudo

{"title":"Ecotoxicity testing of bioremediation agents for shoreline oil-spill clean up","authors":"Tomoyasu Hirano, R. Masho, Daisuke Koizumi, S. Tabata, Kentaro Suzuki, Mai Sakabe, Y. Nakano, Nobuyuki Sato, R. Sudo","doi":"10.11403/JSET.9.115","DOIUrl":"https://doi.org/10.11403/JSET.9.115","url":null,"abstract":"We present the results of a test run done for protocols drafted to evaluate the toxicity of different bioremediation agents against spilled-oil using marine organisms and crude oil. The aim of the study was to evaluate experimentally the change in toxicity of oil when mixed with bioremediation agents and fertilizers used on oiled shores to enhance oil biodegradation under actual environmental conditions prevailing at the oiled site before considering any large-scale application. The protocols were designed to use three marine species at different trophic levels, i.e. diatoms Skeletonema costatum, rotifers Brachionus plicatilis, and red sea bream Pagrus major, and to carry out algal growth inhibition, zooplankton acute immobilization, and fish acute toxicity tests. The agents tested are: Inipol EAP22, oleophilic fertilizer; Terrazyme, bioaugmentation agent; and Super IB/Linstar, slow-release fertilizer. While Super IB/Linstar did not enhance the toxicity of oil, clear suppression of diatom cell growth was observed when 100 ppm of Inipol EAP22 was added to oil. The concen-","PeriodicalId":14585,"journal":{"name":"Japanese journal of environmental toxicology","volume":"58 1","pages":"115-131"},"PeriodicalIF":0.0,"publicationDate":"2006-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78654916","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

A Toxicogenomics Approach for Assessing Toxic Effects of POPs 评估持久性有机污染物毒性效应的毒物基因组学方法

Japanese journal of environmental toxicology Pub Date : 2006-01-01 DOI: 10.11403/JSET.9.81

K. Nakayama

{"title":"A Toxicogenomics Approach for Assessing Toxic Effects of POPs","authors":"K. Nakayama","doi":"10.11403/JSET.9.81","DOIUrl":"https://doi.org/10.11403/JSET.9.81","url":null,"abstract":"1.POPs汚染の現状残留性有機汚染物質(Persistent Organic Pollutants: POPs)はその毒性,難分解性,生物蓄積性および長距離輸送性から,国際的に協調しそれらの廃絶,削減を目指すため,「残留性有機汚染物質に関するストックホルム条約」 (POPs条約)に基づいて,製造および使用が禁止あるいは制限されている。同条約ではダイオキシン類や PCB類をはじめ,農薬では殺虫剤として使用されてきた DDT類やクロルデン,ディルドリン,エルドリン等を含む合わせてあわせて 12種類の有機塩素化合物が対象とされ,2004 年に発効された。我が国においても上記有機塩素化合物のモニタリング調査を継続的に行っており,なかでもPCB類やDDT類は他の有機塩素化合物と比較して貝類,魚類および鳥類から現在でも高濃度および高頻度で検出されることが確認されている。さらに,有機塩素化合物を蓄積している生物から臭素系難燃剤やフッ素化合物が同時に検出されている。臭素系難燃剤やフッ素化合物はその汚染が顕在化したのが比較的最近であるため規制が遅れ,現在でもそれらの環境中濃度は低減傾向にないか,場合によっては上昇傾向にあるとさえ伝えられている。フッ素化合物は包装材の被覆のみならず消火剤や殺虫剤としても使用された実績がある。臭素系難燃剤の一部およびフッ素化合物のうちペルフルオロオクタノスルホン酸(PFOS)は POPsに追加指定される予定である。このように,POPsをはじめとした残留性の強い化合物は,その使用が禁止あるいは規制された現在でもなお,多様な生物種より検出されている。さらに,これら複数の化学物質が生物に蓄積していることから,複合的な影響が懸念される。","PeriodicalId":14585,"journal":{"name":"Japanese journal of environmental toxicology","volume":"33 1","pages":"81-86"},"PeriodicalIF":0.0,"publicationDate":"2006-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89435105","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Study of Indoor Air Pollution by Permethrin: Determination of Permethrin in Indoor Air and 3-phenoxybenzoic acid in Residents' Urine as an Exposure Index 氯菊酯对室内空气污染的研究:室内空气中氯菊酯和居民尿液中3-苯氧苯甲酸作为暴露指标的测定

Japanese journal of environmental toxicology Pub Date : 2006-01-01 DOI: 10.11403/JSET.9.31

H. Dai, F. Asakawa, F. Jitsunari

引用次数: 1

Chemical toxicity of thorium in Saccharomyces cerevisiae 钍在酿酒酵母中的化学毒性

Japanese journal of environmental toxicology Pub Date : 2006-01-01 DOI: 10.11403/JSET.9.87

Satomi Mizukami-Murata, Y. Murata, H. Iwahashi

{"title":"Chemical toxicity of thorium in Saccharomyces cerevisiae","authors":"Satomi Mizukami-Murata, Y. Murata, H. Iwahashi","doi":"10.11403/JSET.9.87","DOIUrl":"https://doi.org/10.11403/JSET.9.87","url":null,"abstract":"Thorium(Th),an actinoide element, is among the most common naturally-occurring radioactive materials found in the environment. Thorium was used as a radiographic contrast agent(thorotrast)from 1930 to 1955, and many studies on its effects on the human body have been reported. Once thorium is absorbed, the risk of cancer increases due to direct bombardment from alpha-particles with high linear energy transfer during thorium decay. Most of these reports focused on irradiation damage caused by long-term thorium exposure. In contrast, acute thorium toxicity derives more from thorium’s chemical reactivity than its radioactive decay. Here, we report the chemical toxicity of thorium using yeast DNA microarray analysis. Thorium treatment of yeast was found to induce 136 genes. Genes involved in“C-compound and carbohydrate metabolism”,“energy”,“cell rescue, defense and virulence”and“biogenesis of cellular component”were induced significantly by thorium treatment. These genes were further classified into the following processes: oxidative stress(7 genes),glycogen and trehalose metabolism(6 genes),and cell wall damage(10 genes).However, only one gene related to DNA damage was induced. These results indicate that thorium causes cell wall damage and induces oxidative stress, and suggest that in order to overcome oxidative stress, cells promote metabolism of energy reserves in the form of glycogen and trehalose.","PeriodicalId":14585,"journal":{"name":"Japanese journal of environmental toxicology","volume":"17 1","pages":"87-100"},"PeriodicalIF":0.0,"publicationDate":"2006-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87369875","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 5