Polychlorinated Biphenyl (PCB)
Can polychlorinated biphenyl (PCB) signatures and enantiomer fractions be used for source identification and to age date occupational exposure?
... Detailed polychlorinated biphenyl (PCB) signatures and chiral Enantiomer Fractions (EFs) of CB-95, CB-136 and CB-149 were measured for 30 workers at a transformer dismantling ...the PCB ...
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Polychlorinated biphenyl exposure, diabetes and endogenous hormones: a cross-sectional study in men previously employed at a capacitor manufacturing plant
... Analyses for this report were restricted to men. Diabetes outcomes were defined as self-reported diagnosed diabetes, diagnosed diabetes and/or fasting glucose ≥ 126 mg/dL, and diagnosed diabetes and/or fasting glucose ≥ ...
11
Prenatal polychlorinated biphenyl exposure is associated with decreased gestational length but not birth weight: archived samples from the Child Health and Development Studies pregnancy cohort
... Background: Polychlorinated biphenyls (PCBs), known endocrine disruptors, were banned in 1979 but persist in the ...11 PCB congeners in maternal post partum sera (within three days of ...between PCB ...
13
Spatial and Temporal Distribution of Polychlorinated Biphenyl Residues in Tropical Soils
... total PCB concentrations from ten sites averaged 750 ng/g dw, with a maximum detection of 2330 ng/g dw, and the PCBs were dominated by congeners with four to six chlorines ...on polychlorinated biphenyls ...
14
Original Article Decrease in prosaposin in spermatozoon is associated with polychlorinated biphenyl exposure
... 60-amino acid sequence fragment, which is conserved among human and animals [2-4, 17, 29]. It is demonstrated that the pregnancy rate for thawed sperm from bulls is increased when the sperm is exposed to the fragment ...
13
The Influence of Temperature and Chemical Hydrophobicity on Steady and Non-Steady State Polychlorinated Biphenyl Bioaccumulation in Temperate Fish
... Treatment fish (n = 93) were dosed by intraperitoneal (IP) injection of 1.25 μL/g of a 1:1:1 mixture of Aroclor 1248:1254:1260 (4mg/mL total PCBs) suspended in safflower oil (Paterson et al. 2007). Control fish (n=75) ...
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Polychlorinated biphenyl serum levels in subjects with hepatocellular carcinoma as compared with the general population
... A chemical factory produced PCBs in Brescia, a highly industrialized town in Northern Italy with about 200,000 inhabitants, from 1930 to 1984. These compounds polluted the soil of nearby agricultural areas via irrigation ...
7
Effects of Polychlorinated Biphenyl/Dioxin Exposure and Feeding Type on Infants' Mental and Psychomotor Development
... Postnatal PCB and dioxin exposure of breast- fed infants was calculated from levels in human milk samples and the duration of breastfeeding.. Infants were examined at 3, 7, and 18 months[r] ...
9
Preparation and characterization of titania based trimetallic metal oxide photocatalysts for photodegradation of 1,2-dichlorobenzene and polychlorinated biphenyl compounds in aqueous phase
... PCBs to the environment (Breivik et al., 2007). A recent study suggested that large quantities of e-waste have been exported to Malaysia (Robinson, 2009). Due to PCBs lipophilicity, lipid containing food products such as ...
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Mercury and Polychlorinated Biphenyl Bioaccumulation Dynamics in Fish
... and PCB bioaccumulation in different populations of Bluegill (Lepomis macrochirus) using a non- steady state bioenergetic/kinetic bioaccumulation ...simulate PCB and Hg accumulation with age in fish for ...
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Determining the level of PCB (polychlorinated biphenyl) in the milk of nursing mothers and its relationship with the mother's diet
... completely metabolized, can be found everywhere, but not to a great extend. They have a cumulative impact as well. They can contaminate food chain, can be stored in lipid organs via foods, especially fish, meat and ...
5
Isolation and characterisation of polychlorinated biphenyl (PCB) degrading fungi from a historically contaminated soil
... that PCB recovery yields of the applied solvent extraction procedure was between 88 and 95% and that abiotic losses due to PCB volatilization associated to fungi cultivation were about 7%, it can be ...
14
A cohort study of in utero polychlorinated biphenyl (PCB) exposures in relation to secondary sex ratio
... IHP was PI of this project, communicated with collabora- tors, designed and supervised the statistical analyses, and had primary responsibility for writing the manuscript. TJ conducted log-binomial and logistic analyses, ...
8
A cohort study of the association between secondary sex ratio and parental exposure to polybrominated biphenyl (PBB) and polychlorinated biphenyl (PCB)
... We were interested in modeling the probability of a male birth in relation to parents' PBB or PCB exposure concen- trations. We used logistic regression analyses to model the odds of a male birth and calculated ...
12
The bioenergetics of polychlorinated biphenyl accumulation in freshwater fish.
... of PCB elimination during this period suggests that the bioenergetic processes which are directly related to consumption including growth dilution, fecal egestion, and excretion effectively shutdown at cold ...
206
Prenatal exposure to endocrine disrupting chemicals in relation to thyroid hormone levels in infants – a Dutch prospective cohort study
... (DDE), polychlorinated biphenyl (PCB)-153, and hexachlorobenzene (HCB), of which health effects have been studied frequently, as well as some relatively ‘new’ compounds: metabolites of ...
10
Mass Spectrometric Methods for the Determination of PCB Congeners for Environmental Risk Assessment.
... for polychlorinated biphenyl (PCB) risk assessment of environmental ...adequate PCB congener resolution and detection sensitivity to provide robust data for environmental risk assessment of ...
194
GREEN MARKETING IN INDIA: AN OVERVIEW
... Cost of Profit Issues -Firms may also use green marketing in an attempt to address cost or profit related issues. Disposing of environmentally harmful by- products, such as polychlorinated biphenyl ...
7
Polychlorinated Biphenyls in Whole Body Field Mice Collected Upgradient and Downgradient of a Sediment Retention Structure in Los Alamos Canyon, Los Alamos National Laboratory, New Mexico, USA
... Polychlorinated biphenyl (PCBs) congeners were measured in (unwashed) whole-body field (deer) mice (Pero- myscus maniculaltus) collected directly upgradient from a sediment retention structure (weir) within ...
10
Microbial catabolic pathways for complex aromatics
... The first detailed characterization of a bacterial lignin degrading enzyme involved Rhodococcus jostii RHA1, a gram positive bacterium isolated from polychlorinated biphenyl contaminated[r] ...
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