Dioxins in human milk and smoking of mothers.


BACKGROUND:The relation between the levels of dioxins in human breast milk and the smoking habits of the mothers is controversial. To clarify this relationship, we analyzed data from the human milk survey in Japan. METHODS:The human milk survey has been conducted in Japan since 1997. Healthy pregnant women aged 20-39 years were recruited and 50 ml of breast milk was collected from them at 30 days after delivery. PCDDs, PCDFs, and dioxin-like PCBs were measured by using GC/MS. The smoking habits of the mothers were established by interviewing them soon after delivery and were classified into four categories: current smokers, ever smokers who quit smoking at the pregnancy, ever smokers who quit smoking before the pregnancy, and never smokers. The levels of dioxins in breast milk were compared in the four categories of smoking among 853 primiparas. In addition, we analyzed the association between dioxin levels and passive smoking among never smokers. The geometric means of the dioxin concentrations were calculated in order to compare the differences between dioxins. RESULTS:The geometric means of dioxin-like PCBs in milk of never smokers was the highest (9.2 pg TEQ/g fat); followed by ever smokers who quit smoking before the pregnancy, ever smokers who quit smoking at the pregnancy, and current smokers (7.5, 7.2, and 6.6 pg TEQ/g fat, respectively). The differences between these levels were statistically significant (ANOVA, p<0.001). No significant difference was observed between the level of dioxins in milk from never smokers subjected to passive smoking status and those who had not experienced passive smoking. CONCLUSION:The levels of dioxin-like PCBs in human milk were negatively related to the smoking habits of mothers.






Uehara R,Nakamura Y,Matsuura N,Kondo N,Tada H




Has Abstract


2007-06-01 00:00:00














  • The effects of olives harvest period and production year on olive mill wastewater properties - evaluation of Pleurotus strains as bioindicators of the effluent's toxicity.

    abstract::Olive mill wastewater (OMW) generated during the oil extraction from Olea europea L. var. koroneiki olives was sampled at the beginning, the middle and the end of the harvesting season for three successive crop production years, and from four olive mills. OMW samples were examined in respect to their physicochemical c...


    pub_type: 杂志文章


    authors: Ntougias S,Gaitis F,Katsaris P,Skoulika S,Iliopoulos N,Zervakis GI

    更新日期:2013-07-01 00:00:00

  • Ambient air pollutants aggravate association of snoring with prevalent hypertension: results from the Henan Rural Cohort.

    abstract:AIM:We aimed to assess if snoring and ambient air pollutants were jointly associated with prevalent hypertension in a cross-sectional study. METHODS:A total of 28440 participants aged 18-79 years were obtained from the Henan Rural Cohort. Snoring evaluated using Pittsburgh sleep quality index (PSQI) scale was classifi...


    pub_type: 杂志文章


    authors: Zhang H,Li S,Chen G,Abdulai T,Liu X,Wang Y,Liang H,Hou J,Huo W,Mao Z,Wang C,Bie R

    更新日期:2020-10-01 00:00:00

  • Effects of chloridazon on early life stages of marbled crayfish.

    abstract::The effects of chloridazon exposure at concentrations of 2.7 μg/L (maximal real environmental concentration in the Czech Republic), 27 μg/L, 135 μg/L and 270 μg/L on early life stages of marbled crayfish (Procambarus virginalis) were evaluated. Significantly higher glutathione S-transferase activity and reduced glutat...


    pub_type: 杂志文章


    authors: Velisek J,Stara A,Zuskova E,Chabera J,Kubec J,Buric M,Kouba A

    更新日期:2020-10-01 00:00:00

  • Crop-dependent changes in water absorption of expanded polystyrene in soil environments.

    abstract::As expanded polystyrene (EPS) has been utilized in soil environments, there is a need to understand interactions between chemical adsorption and the soil system. We conducted a plant bioassay using agricultural crops in a soil system containing a macro-sized EPS (8.3 ± 0.5 mm). When the EPS was collected after cultiva...


    pub_type: 杂志文章


    authors: Kim SW,Kim D,Chae Y,Kim D,An YJ

    更新日期:2019-03-01 00:00:00

  • Occurrence and removal of 17α-ethynylestradiol (EE2) in municipal wastewater treatment plants: Current status and challenges.

    abstract::As a synthetic estrogen, 17α-ethynylestradiol (EE2) has been known to show the strong estrogenic potency. This work critically reviewed the occurrence and removal of EE2 in municipal wastewater treatment plants (WWTPs). Based on the on-site investigations from 282 municipal WWTPs across 29 countries, the concentration...


    pub_type: 杂志文章,评审


    authors: Tang Z,Liu ZH,Wang H,Dang Z,Liu Y

    更新日期:2021-01-04 00:00:00

  • Application of aluminum-supported Pd, Rh, and Rh-Pd nanoparticles in supercritical carbon dioxide system for hydrodebromination of polybrominated diphenyl ethers.

    abstract::Al-powder-supported Pd, Rh, and Rh-Pd catalysts were synthesized through a spontaneous redox reaction in aqueous solutions. These catalysts hydrodebrominated 4- and 4,4'-bromodiphenyl ethers in supercritical carbon dioxide at 200 atm CO2 containing 10 atm H2 and 80 °C in 1 h. Diphenyl ether was the major product of Pd...


    pub_type: 杂志文章


    authors: Wu BZ,Sun YJ,Chen YH,Yak HK,Yu JJ,Liao W,Chiu K,Peng SM

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  • Diurnal concentrations, sources, and cancer risk assessments of PM2.5-bound PAHs, NPAHs, and OPAHs in urban, marine and mountain environments.

    abstract::Ambient measurements of PM2.5-bounded polycyclic aromatic hydrocarbons (PAHs), nitro-PAHs (NPAHs), and oxy-PAHs (OPAHs) were conducted during the summer in Jinan, China, an urban site, and at Tuoji island and Mt. Tai, two background locations. 3.5 h and 11.5 h sampling intervals in daytime and nighttime were utilized ...


    pub_type: 杂志文章


    authors: Zhang J,Yang L,Mellouki A,Chen J,Chen X,Gao Y,Jiang P,Li Y,Yu H,Wang W

    更新日期:2018-10-01 00:00:00

  • Surveying the mutagenicity of tap water to elicit the effects of purification processes on Japanese tap water.

    abstract::The mutagenicity levels of tap water in Japan were surveyed using the Ames test. Tap water samples (179) were collected at 17 sampling sites located from the northern tip (Hokkaido) to the southern tip (Kagoshima Prefecture). The mutagenicity values ranged from under the detection limit to 3600 net rev x L(-1). The av...


    pub_type: 杂志文章


    authors: Takanashi H,Kishida M,Nakajima T,Ohki A,Akiba M,Aizawa T

    更新日期:2009-10-01 00:00:00

  • Endocrine-related effects of perfluorooctanoic acid (PFOA) in zebrafish, H295R steroidogenesis and receptor reporter gene assays.

    abstract::Perfluorooctanoic acid (PFOA), a persistent perfluorinated compound, is distributed widely in wildlife and humans. Recent studies showed that PFOA is a suspected endocrine disruptor. But the results are somewhat contradictory and the mechanisms are unclear. In this study, we investigated the endocrine-related effects ...


    pub_type: 杂志文章


    authors: Du G,Huang H,Hu J,Qin Y,Wu D,Song L,Xia Y,Wang X

    更新日期:2013-05-01 00:00:00

  • Biodegradability of biofilm extracellular polymeric substances.

    abstract::This study discovered that biofilm extracellular polymeric substances (EPS) are biodegradable by their own producers and by other microorganisms when they are starved. The study was performed in a comparative fashion to examine the biodegradability of biofilm EPS by the microorganisms from the original biofilm (its ow...


    pub_type: 杂志文章


    authors: Zhang X,Bishop PL

    更新日期:2003-01-01 00:00:00

  • Integrated assessment for aerobic biodegradability of organic substances.

    abstract::In this paper, the amount of oxygen consumption, end products and activities of microorganisms are considered as the three factors which affect the biodegradability of organic substances in water. Two integrated assessment methods for biodegradability of organic substances, fuzzy clustering integrated assessment and w...


    pub_type: 杂志文章


    authors: Jiang Z,Yang H,Sun L,Shi S

    更新日期:2002-07-01 00:00:00

  • Recent developments of organic solvent resistant materials for membrane separations.

    abstract::Solute purification, solvent recovery, solvent separation in organic solvents are more and more widely used in the chemical industries, pharmaceuticals and food processing. Fast and efficient separations can be realized using membrane separation technology. Materials with strong organic solvent resistance for membrane...


    pub_type: 杂志文章,评审


    authors: Ren D,Ren S,Lin Y,Xu J,Wang X

    更新日期:2020-12-28 00:00:00

  • Enhanced recombinant Sulfurihydrogenibium yellowstonense carbonic anhydrase activity and thermostability by chaperone GroELS for carbon dioxide biomineralization.

    abstract::Biological carbon fixation is a feasible strategy to reduce atmospheric carbon dioxide levels (CO2). In this platform, carbonic anhydrase (CA) enzyme is employed to accelerate the sequestration of CO2. The present work explored the effect of chaperone GroELS and TrxA-tag on improving soluble expression of the recombin...


    pub_type: 杂志文章


    authors: Wahyu Effendi SS,Tan SI,Ting WW,Ng IS

    更新日期:2020-10-18 00:00:00

  • Metal-mediated chlorinated dibenzo-p-dioxin (CDD) and dibenzofuran (CDF) formation from phenols.

    abstract::Heterogeneous formation of chlorinated dibenzo-p-dioxins (CDDs) and dibenzofurans (CDFs) on CuCl2 from three phenols without ortho chlorine and one phenol with two ortho chlorines was studied in a flow reactor over a temperature range of 325-450 degrees C. Heated nitrogen gas streams containing 8% oxygen, 1.5% benzene...


    pub_type: 杂志文章


    authors: Ryu JY,Mulholland JA

    更新日期:2005-02-01 00:00:00

  • Trophic relationships and transference of cadmium, copper, lead and zinc in a subtropical coastal lagoon food web from SE Gulf of California.

    abstract::Trophic relationships and heavy metal transference in a coastal subtropical lagoon marine food web were investigated through the use of stable isotopes in food sources and biota. A selective extraction scheme was applied to the surface sediments as an indirect way to evaluate the potential of toxicity of metals. Resul...


    pub_type: 杂志文章


    authors: Jara-Marini ME,Soto-Jiménez MF,Páez-Osuna F

    更新日期:2009-11-01 00:00:00

  • Chitosan-MnO2 nanocomposite for effective removal of Cr (VI) from aqueous solution.

    abstract::In this report, the adsorption of Cr(VI) onto MnO2/CS nanocomposite material from aqueous solution is investigated. All the factors, which affect the adsorption, such as pH, adsorption time, Cr(VI) initial concentration and adsorbent dosage, are also examined. The results obtained show that the Cr(VI) uptake is strong...


    pub_type: 杂志文章


    authors: Dinh VP,Nguyen MD,Nguyen QH,Do TT,Luu TT,Luu AT,Tap TD,Ho TH,Phan TP,Nguyen TD,Tan LV

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  • Photocatalytic activity of the calcined H-titanate nanowires for photocatalytic oxidation of acetone in air.

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    pub_type: 杂志文章


    authors: Yu H,Yu J,Cheng B

    更新日期:2007-02-01 00:00:00

  • PCDD/F inhibition by prior addition of urea to the solid fuel in laboratory experiments and results statistical evaluation.

    abstract::The objectives of this work were to study the effect of urea addition to the fuel before the combustion on the suppression of PCDD/F emissions, to examine the influence of urea to PCDD/F isomer patterns by employing statistical analysis techniques and to determine the most effective method of urea addition. Urea in th...


    pub_type: 杂志文章


    authors: Samaras P,Blumenstock M,Lenoir D,Schramm KW,Kettrup A

    更新日期:2001-02-01 00:00:00

  • Does dexamethasone affect hepatic CYP450 system of fish? Semi-static in-vivo experiment on juvenile rainbow trout.

    abstract::Effects of aquatic pollutants on fish are of increasing concern. Pharmaceutical-based contaminants are prioritized for further study in environmental risk assessment using several approaches. Dexamethasone (DEX) was one such contaminant recognised for its effect on fish health status. Thus, we carried out an in vivo e...


    pub_type: 杂志文章


    authors: Burkina V,Sakalli S,Rasmussen MK,Zamaratskaia G,Koba O,Thai GP,Grabic R,Randak T,Zlabek V

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  • Potential for leaching of heavy metals in open-burning bottom ash and soil from a non-engineered solid waste landfill.

    abstract::Bottom ash from open-burning of municipal waste practised in developing countries poses a risk of heavy metal leaching into groundwater. Compared to incineration ash, there is limited information on heavy metal leaching from open-burning ash and soil from non-engineered landfills. Batch and column experiments were con...


    pub_type: 杂志文章


    authors: Gwenzi W,Gora D,Chaukura N,Tauro T

    更新日期:2016-03-01 00:00:00

  • Enhanced and stabilized arsenic retention in microcosms through the microbial oxidation of ferrous iron by nitrate.

    abstract::Magnetite strongly retains As, and is relatively stable under Fe(III)-reducing conditions common in aquifers that release As. Here, laboratory microcosm experiments were conducted to investigate a potential As remediation method involving magnetite formation, using groundwater and sediments from the Vineland Superfund...


    pub_type: 杂志文章


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  • Tetrabromobisphenol A, terabromobisphenol S and other bromophenolic flame retardants cause cytotoxic effects and induce oxidative stress in human peripheral blood mononuclear cells (in vitro study).

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    pub_type: 杂志文章


    authors: Włuka A,Woźniak A,Woźniak E,Michałowicz J

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  • F2-isoprostanes in Fish mucus: A new, non-invasive method for analyzing a biomarker of oxidative stress.

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    pub_type: 杂志文章


    authors: Bulloch P,Schur S,Muthumuni D,Xia Z,Johnson W,Chu M,Palace V,Su G,Letcher R,Tomy GT

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  • QSPR to aqueous solubility (lgSw) of alkyl(1-phenylsulfonyl) cycloalkane-carboxylates using MLSER model and ab initio.

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    pub_type: 杂志文章


    authors: Wang Z,Han X,Zhai Z

    更新日期:2006-01-01 00:00:00

  • Bioremediation of phenol in soil through using a mobile plant-endophyte system.

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    pub_type: 杂志文章


    authors: Chen J,Zhang L,Jin Q,Su C,Zhao L,Liu X,Kou S,Wang Y,Xiao M

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  • Electrocatalytic properties of N-doped graphite felt in electro-Fenton process and degradation mechanism of levofloxacin.

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    pub_type: 杂志文章


    authors: Liu X,Yang D,Zhou Y,Zhang J,Luo L,Meng S,Chen S,Tan M,Li Z,Tang L

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    pub_type: 杂志文章


    authors: Yang Z,Xu X,Dai M,Wang L,Shi X,Guo R

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  • Effects of exogenous N-acyl-homoserine lactones on nutrient removal, sludge properties and microbial community structures during activated sludge process.

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    pub_type: 杂志文章


    authors: Yan X,Zheng S,Huo Z,Shi B,Huang J,Yang J,Ma J,Han Y,Wang Y,Cheng K,Feng J,Sun J

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  • Removal of PAHs with surfactant-enhanced soil washing: influencing factors and removal effectiveness.

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    pub_type: 杂志文章


    authors: Peng S,Wu W,Chen J

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  • Electrochemical oxidation of cyanide on 3D Ti-RuO2 anode using a filter-press electrolyzer.

    abstract::The novelty of this communication lies in the use of a Ti-RuO2 anode which has not been tested for the oxidation of free cyanide in alkaline media at concentrations similar to those found in wastewater from the Merrill Crowe process (100 mg L-1 KCN and pH 11), which is typically used for the recovery of gold and silve...


    pub_type: 杂志文章


    authors: Pérez T,López RL,Nava JL,Lázaro I,Velasco G,Cruz R,Rodríguez I

    更新日期:2017-06-01 00:00:00