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| 1 | Occurrence of emerging flame retardants from e-waste recycling activities in the northern part of Vietnam显示文摘This study investigated the contamination status of 21 emerging flame retardants(FRs)in soils(n=32)and river sediments(n=8)from an e-waste recycling(EWR)site in the northern part of Vietnam.Among analyzed FRs,higher levels of decabromodiphenyl ethane(DBDPE)(NDe4200 ng/g dw),1,2-bis-(2,4,6-tribromophenoxy)ethane(BTBPE)(NDe350 ng/g dw)and Dechlorane Plus isomers(DPs)(NDe65 ng/g dw)were found in soils near EWR workshops and open burning places.The highest concentrations of DBDPE(20 ng/g dw),BTBPE(5.7 ng/g dw)and DPs(6.7 ng/g dw)were also detected in sediments collected from the middle of the EWR site.The levels decreased concomitantly with increasing distance from the EWR site.These results indicate that these FRs were released to the surrounding environment from improper recycling activities,such as manual dismantling of devices and open burning of e-wastes.Moreover,the estimated daily intakes of those FRs via soil ingestion were approximately ten times higher for children than adults.To our knowledge,this is a first comprehensive study on characterization of soil and sediment contamination by a series of emerging FRs at an EWR site in Vietnam. | Masayuki Someya Go Suzuki Alin C.Ionas Nguyen Minh Tue Fuchao Xu Hidenori Matsukami Adrian Covaci Le Huu Tuyen Pham Hung Viet Shin Takahashi Shinsuke Tanabe Hidetaka Takigami | 2016 | Emerging Contaminants2016，2，2： | 5 |
| 2 | Analysis of monomeric and oligomeric organophosphorus flame retardants in fish muscle tissues using liquid chromatographyeelectrospray ionization tandem mass spectrometry:Application to Nile tilapia(Oreochromis niloticus)from an e-waste processing area in northern Vietnam显示文摘Using electrospray ionization tandem mass spectrometry combined with liquid chromatography(LC),a novel analytical method was developed to quantify eight monomeric organophosphorus flame retardants(m-PFRs)and three oligomeric organophosphorus flame retardants(o-PFRs)in fish muscle samples.The optimization and validation experiments indicate that the developed method can determine accurately the concentrations of analytes in fish muscle samples.The recoveries of analytes in fish muscle samples were in the range of 74-105%.The coefficients of variation of the concentrations of analytes in fish muscle samples were 0.6-8.9%.The concentrations of analytes in procedural blanks were below the limit of quantification(LOQ)values.Furthermore,the developed method was applied to the analysis of m-PFRs and o-PFRs in the muscle samples of tilapias collected from an electronic waste(ewaste)processing area in northern Vietnam.The concentrations of m-PFRs such as tris(2-chloroethyl)phosphate(TCEP),tris(2-chloroisopropyl)phosphate(TCIPP),and triphenyl phosphate(TPHP)were dominant among the investigated m-PFRs.The respective concentrations of TCEP,TCIPP,and TPHP were up to 160,300,and 230 ng g^-1 lipid weight,respectively,whereas those of o-PFRs were up to 10 ng g^-1 lipid weight.The results of this study indicate lower accumulation potential of o-PFRs compared with m-PFRs for the first time. | Hidenori Matsukami Go Suzuki Nguyen Minh Tue Le Huu Tuyen Pham Hung Viet Shin Takahashi Shinsuke Tanabe Hidetaka Takigami | 2016 | Emerging Contaminants2016，2，2： | 5 |
| 3 | Comprehensive evaluation of dioxins and dioxin-like compounds in surface soils and river sediments from e-waste-processing sites in a village in northern Vietnam:Heading towards the environmentally sound management of e-waste显示文摘The management of electronic waste(e-waste),which can be a source of both useful materials and toxic substances,depending on the processing method,is important for promoting material cycling.In this study,we used the dioxin-responsive chemical-activated luciferase gene expression(DR-CALUX)assay combined with gas chromatographyehigh-resolution mass spectrometry to evaluate the levels of dioxin-like compounds in surface soils and river sediments collected in and around an e-waste-processing village in northern Vietnam.The WHO-TEQs(Toxic equivalents)of polychlorinated dibenzo-p-dioxins and dibenzofurans(PCDD/Fs),coplanar polychlorinated biphenyls(Co-PCBs),and polybrominated dibenzo-pdioxins and dibenzofurans(PBDD/Fs)in soils collected in January 2012 ranged from 0.29 to 310 pg/g(median 2.9 pg/g,n=32),and the WHO-TEQs in sediments ranged from 0.96 to 58 pg/g(median 4.4 pg/g,n=8).Dioxin-like activities(CALUX-TEQs[2,3,7,8-TCDD equivalent])in soils collected in January 2012,2013,and 2014 ranged from<30 to 4300 pg/g(median<30 pg/g,n=96),and the activities in sediments ranged from<30 to 4000 pg/g(median 33 pg/g,n=24).Dioxin-like compounds accumulated in samples collected around e-waste-processing areas such as open-burning sites and e-waste-processing workshops,and the compounds may be transported from their sources to surrounding areas over the course of several years.Some of the CALUX-TEQs,but not WHO-TEQs,values were higher than the maximum acceptable WHO-TEQs promulgated by various authorities,indicating that all dioxin-like compounds should be evaluated in samples collected from e-waste-processing areas.Our findings suggest that open burning and open storage of e-waste should be prohibited and that wastewater treatment should be implemented at each workshop to reduce contamination by dioxin-like compounds from e-waste. | Go Suzuki Masayuki Someya Hidenori Matsukami Nguyen Minh Tue Natsuyo Uchida Le Huu Tuyen Pham Hung Viet Shin Takahashi Shinsuke Tanabe Abraham Brouwer Hidetaka Takigami | 2016 | Emerging Contaminants2016，2，2： | 1 |
| 4 | Highly divergent sequences of the pollen self-incompatibility ( S ) gene in class-I S haplotypes of Brassica campestris (syn. rapa ) L.显示文摘 | Masao Watanabe Akiko Ito Yoshinobu Takada Chie Ninomiya Tomohiro Kakizaki Yoshihito Takahata Katsunori Hatakeyama Kokichi Hinata Go Suzuki Takeshi Takasaki Yoko Satta Hiroshi Shiba Seiji Takayama Akira Isogai | 2000 | FEBS Letters2000，，2： | 1 |
| 5 | Evaluation of dioxin-like activities in settled house dust from Vietnamese E-waste recycling sites: Relevance of polychlorinated/brominated dibenzo-p-dioxin/furans and dioxin-like PCBs 显示文摘 | Tue Nguyen M Suzuki Go Ttakahshi Shin | 2010 | Environ Sci Technol2010，44，： | 1 |
| 6 | Interleukin-17F affects cartilage matrix turnover by increasing the expression of collagenases and stromelysin-1 and by decreasing the expression of their inhibitors and extracellular matrix components in chondrocytes显示文摘 | Shihoko Tanigawa Yukiko Aida Takayuki Kawato Kazuhiro Honda Go Nakayama Masafumi Motohashi Naoto Suzuki Kuniyasu Ochiai Hideo Matsumura Masao Maeno | 2011 | Cytokine2011，，2： | 1 |
| 7 | Dioxin-like activity in Japanese indoor dusts evaluated by means of in vitro baioassay and instrumental analysis: Brominated dibenzofurans are an important contributor 显示文摘 | Suzuki Go Someya Masayuki Takahashi Shin | 2010 | Environ Sci Technol2010，44，21： | 1 |
| 8 | Epidemiology and outcomes of acute respiratory distress syndrome in children according to the Berlin definition: a multicenter prospective study显示文摘 | ER B Munoz Go Fau - Cavalheiro PO Cavalheiro Po Fau - Suzuki AS | 2015 | Crit Care Med2015，，43： | 1 |
| 9 | Effect of linezolid on cytokine production capacity and plasma endotoxin levels in response to lipopolysaccharide stimulation of whole blood显示文摘 | Gaku Takahashi Nobuhiro Sato Yasunori Yaegashi Masahiro Kojika Naoya Matsumoto Tomohiro Kikkawa Tatsuyori Shozushima Shinji Akitomi Kiichi Aoki Naoko Ito Koichi Hoshikawa Yasushi Suzuki Yoshihiro Inoue Go Wakabayashi Shigeatsu Endo | 2010 | Journal of Infection and Chemotherapy2010，，： | 1 |
| 10 | Histological study of gallbladder and bile duct epithelia in patients with anomalous arrangement of the pancreaticobiliary ductal system: comparison between those with and without a dilated common bile duct显示文摘 | Yutaka Noda Naotaka Fujita Go Kobayashi Kei Ito Jun Horaguchi Osamu Takasawa Takashi Obana Kazuhiko Ishida Shigeharu Senoo Makoto Yonechi Takashi Suzuki Dai Hirasawa Toshiki Sugawara Masao Kobari Takashi Sawai Miwa Uzuki Mika Watanabe | 2007 | Journal of Gastroenterology2007，，3： | 1 |
| 11 | Is Decompressive Surgery Effective for Spinal Cord Sarcoidosis Accompanied With Compressive Cervical Myelopathy?显示文摘 | Yoshihito Sakai Yukihiro Matsuyama Shiro Imagama Zenya Ito Norimitsu Wakao Naoki Ishiguro Hirohisa Watanabe Fumihiko Kato Yasutsugu Yukawa Keigo Ito Kazuhiro Suzuki Akiko Tsuboi Tokumi Kanemura Go Yoshida | 2010 | Spine2010，，23： | 1 |
| 12 | Flame retardants in indoor dust and air of a hotel in Japan 显示文摘 | Takigami Hidetaka Suzuki Go Hirai Yasuhiro | 2009 | Environment International2009，35，： | 1 |
| 13 | Flame retardants in indoor dust and air of a hotel in Japan 显示文摘 | Hidetaka Takigami Go Suzuki Yasuhiro Hirai | 2009 | Environment International2009，35，： | 1 |
| 14 | Bromi- nated flame retardants and other polyhalogenated compounds in indoor air and dust from two houses in Japan显示文摘 | Hidetaka Takigami Go Suzuki Yasuhiro Hirai | 2009 | Chemo- sphere2009，76，2： | 1 |
| 15 | Contam- ination of indoor dust and air by polychlorinated biphenyls and brominated flame retardants and relevance of non--dietary ex- posure in Vietnamese informal e-waste recycling sites显示文摘 | Nguyen Minh Tue Shin Takahashi Go Suzuki | 2013 | En- vironment International2013，，51： | 1 |
| 16 | Vertebral Compression Exacerbates Osteoporotic Pain in an Ovariectomy-Induced Osteoporosis Rat Model显示文摘 | Miyako Suzuki Sumihisa Orita Masayuki Miyagi Tetsuhiro Ishikawa Hiroto Kamoda Yawara Eguchi Gen Arai Kazuyo Yamauchi Yoshihiro Sakuma Yasuhiro Oikawa Go Kubota Kazuhide Inage Takeshi Sainoh Yuya Kawarai Kensuke Yoshino Tomoyuki Ozawa Yasuchika Aoki Tomoak | 2013 | Spine2013，，24： | 1 |
| 17 | Prognostic factors in patients with primary brainstem hemorrhage显示文摘 | Satoru Takeuchi Go Suzuki Yoshio Takasato Hiroyuki Masaoka Takanori Hayakawa Naoki Otani Hiroshi Yatsushige Keigo Shigeta Toshiya Momose Kojiro Wada Hiroshi Nawashiro | 2013 | Clinical Neurology and Neurosurgery2013，，6： | 1 |
| 18 | Wire‐guided biliary cannulation technique does not reduce the risk of post‐ ERCP pancreatitis: Multicenter randomized controlled trial显示文摘 | Go Kobayashi Naotaka Fujita Kazuomi Imaizumi Atsushi Irisawa Masaki Suzuki Akihiko Murakami Shuhei Oana Naohiko Makino Tomoya Komatsuda Kazuo Yoneyama | 2012 | Digestive Endoscopy2012，，3： | 1 |
| 19 | Hazardous metals emissions from e-waste-processing sites in a village in northern Vietnam显示文摘Inappropriate e-waste-processing operation is a serious issue in developing countries since the early 2000's.Field research was conducted to clarify its influences and diffuse toxic substances in the environment at e-waste-processing sites in a village in northern Vietnam from 2012 to 2014.We investigated surface soil samples collected from e-waste-processing sites,open burning sites,and rice paddy sites.Sediment samples and water samples were also collected from a river that runs through the village.The hazardous metal concentration in soil and river sediment samples indicated that 7 elements(Ca,Cu,Mo,Ni,Pb,Sn,and Zn)had high concentrations as a result of e-waste-processing.Most notably,Pb and Cu had high concentrations in soil samples(Pb:26e2200 mg/kg,Cu:22e3000 mg/kg).The results of a multivariate analysis indicated that these 7 elements were closely correlated with e-waste-processing.Concentrations of hazardous metals showed an upward trend where e-waste-processing occurred during the 3-year study period,although it was not significant statistically at present.Open burning activity had a great influence on Cu accumulation,and maximum Cu concentrations increased from 340 mg/kg in 2012e3000 mg/kg in 2014 in soil samples from open-burning sites.There were large differences in the dominant hazardous metal depending on the type of e-waste-processing workshop because hazardous metal composition was influenced by the types of e-waste and the processing procedures.It is necessary to avoid e-waste processing in open-air environment to control emissions of hazardous substances.Especially,open burning should be prohibited. | Natsuyo Uchida Hidenori Matsukami Masayuki Someya Nguyen Minh Tue Le Huu Tuyen Pham Hung Viet Shin Takahashi Shinsuke Tanabe Go Suzuki | 2018 | Emerging Contaminants2018，4，1： | 0 |
| 20 | Development of a Topic Providing System with Inferences of Behaviors from Daily Life显示文摘 | Seiji Suzuki Go Tanaka Chiaki Doi Tomohiro Nakagawa Hiroshi Inamura Ken Ohta Tadanori Mizuno Hiroshi Mineno | 2013 | Computer Technology and Application2013，4，3： | 0 |
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