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Chemical mixtures

Statement on advancing the assessment of chemical mixtures and their risks for human health and the environment

Statement on advancing the assessment of chemical mixtures and their risks for human health and the environment

... In many situations, only few mixture components may dominate the overall risk. Further research on effect-based monitoring would help in validating modelled exposures and prioritising chemical mixtures for ...

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Prospective aquatic risk assessment for chemical mixtures in agricultural landscapes

Prospective aquatic risk assessment for chemical mixtures in agricultural landscapes

... environmental mixtures - an aquatic exposure-based approach via exposure scenarios” held in March 2015 looking at: (1) whether a simplified scenario-based approach could be used to help determine whether ...

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A generalized physiologically-based toxicokinetic modeling system for chemical mixtures containing metals

A generalized physiologically-based toxicokinetic modeling system for chemical mixtures containing metals

... For mixtures of metals such as lead, cadmium, and arsenic, there is a need for BBDR models of renal and hepatic effects, because renal dysfunction impacts the elimination of essential and toxic metals in the ...

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Risk assessment of chemical mixtures in agricultural landscapes

Risk assessment of chemical mixtures in agricultural landscapes

... of chemical mixtures reframes the problem formulation and will require reappraisal of the environmental context to deliver an appropriate level of ...of mixtures possible as a function of variation ...

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Assessing Chemical Mixtures and Human Health: Use of Bayesian Belief Net Analysis

Assessing Chemical Mixtures and Human Health: Use of Bayesian Belief Net Analysis

... complex chemical mixtures, much of the available research continues to focus on a single compound or metabolite or a select subgroup of compounds inconsistent with the nature of human ...model ...

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Compositional Analysis of Ternary and Binary Chemical Mixtures by Surface Enhanced Raman Scattering at Trace Levels

Compositional Analysis of Ternary and Binary Chemical Mixtures by Surface Enhanced Raman Scattering at Trace Levels

... MB, mixtures of MB and CV locate on the line connecting MB and CV, and mixtures of MO and CV locate on the line connecting MO and CV, ...ternary mixtures of MO, MB, and CV, they locate inside the ...

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Risk assessment of chemical mixtures in agricultural landscapes

Risk assessment of chemical mixtures in agricultural landscapes

... single chemical triggering ...with chemical use profiles and associated ...whether mixtures of chemicals pose risks over and above any identified using existing approaches for single chemicals, how ...

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Elemental markers of exposure under combined oral introduction of chemical mixtures with prevalent antimony and arsenic into white wistar rats

Elemental markers of exposure under combined oral introduction of chemical mixtures with prevalent antimony and arsenic into white wistar rats

... This chemical element is a part of more than 70 various enzymes and it explains significant influence exerted by it on body growth and development, tissue breathing, hemopoiesis, immune genesis, and other ...

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Effect-based methods are key. The European Collaborative Project SOLUTIONS recommends integrating effect-based methods for diagnosis and monitoring of water quality

Effect-based methods are key. The European Collaborative Project SOLUTIONS recommends integrating effect-based methods for diagnosis and monitoring of water quality

... These chemical cocktails may pose a risk to ecosystems and raise concerns for human health if water resources are used for drinking water production, fishing and ...that chemical mixtures pose harm, ...

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How to Orient Yourself in the Wilderness

How to Orient Yourself in the Wilderness

... artificial chemical mixtures might be able to emulate these ...artificial chemical mixtures that are more palatable and attractive to ...

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Riviere and Brooks pig skin flow-through  [data file]

Riviere and Brooks pig skin flow-through [data file]

... Prediction of dermal absorption from complex chemical mixtures: Incorporation of vehicle effects and interactions into a QSPR framework. SAR and QSAR Environ.[r] ...

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Determination of Properties of Hexadecane and Butanol Mixtures Using Extrinsic Fiber Optic Chemical Sensor at Various Wavelengths

Determination of Properties of Hexadecane and Butanol Mixtures Using Extrinsic Fiber Optic Chemical Sensor at Various Wavelengths

... other chemical parameters like Molar Volume, Molar Refraction and Dielectric Constant for each binary chemical mixtures with different ratios were calculated from the measured values of Refractive ...

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Considering the cumulative risk of mixtures of chemicals – A challenge for policy makers

Considering the cumulative risk of mixtures of chemicals – A challenge for policy makers

... to chemical mixtures has followed different phases from simple binary pharmaco- kinetic and pharmacodynamic interactions to more and more complex ...binary chemical mixtures became necessary ...

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The Impact of Long-Time Chemical Bonds in Mineral-Cement-Emulsion Mixtures on Stiffness Modulus

The Impact of Long-Time Chemical Bonds in Mineral-Cement-Emulsion Mixtures on Stiffness Modulus

... representative mixtures was based on the impact of long-term storage on the behaviour of the binding materials used and the types of bonds de- veloped in the ...

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Integrated exposure assessment of sewage workers to genotoxicants: an urinary biomarker approach and oxidative stress evaluation

Integrated exposure assessment of sewage workers to genotoxicants: an urinary biomarker approach and oxidative stress evaluation

... No association was detected between indicators of external exposure and the 24 hours urinary 8-oxodG. One reason might be related to differences in the time dynamics of the two types of measures. While measure- ments of ...

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Towards a holistic and solution-oriented monitoring of chemical status of European water bodies: how to support the EU strategy for a non-toxic environment?

Towards a holistic and solution-oriented monitoring of chemical status of European water bodies: how to support the EU strategy for a non-toxic environment?

... solution-oriented chemical sta- tus including effect-based monitoring and confirmation on the community level using approaches like SPEAR or PICT [67] will help indicate if the improvement of the ecological status ...

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Chemical Speciation of Complexes of L-phenylalanine and maleic acid with toxic metal ions in Dimethylformamide -Water Mixtures

Chemical Speciation of Complexes of L-phenylalanine and maleic acid with toxic metal ions in Dimethylformamide -Water Mixtures

... of LPA and MA complexes of Pb(II), Cd(II) and Hg(II) were refined in DMF-water mixtures. The appropriateness of the experimental conditions was verified by introducing errors deliberately. The models containing ...

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Ultrasonic Studies on Binary and Ternary Mixtures of Some Organic Liquids

Ultrasonic Studies on Binary and Ternary Mixtures of Some Organic Liquids

... liquid mixtures containing of polar and non-polar compounds is of considerable impor tance in understanding inter molecular interaction between the component molecules and they find applications in several ...

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On some aspects of the asymptotic properties of Bayesian approaches in nonparametric and semiparametric models*

On some aspects of the asymptotic properties of Bayesian approaches in nonparametric and semiparametric models*

... nonparametric mixtures of Beta distributions and nonparametric mixtures of Gaussian distributions lead to adaptive minimax concentration rates over collections of Hölder classes up to a log n term, see ...

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SYNERGISTIC STUDY OF ANTIOXIDANT POTENTIAL OF DIFFERENT SPICES AND THEIR BIOACTIVE CONSTITUENTS

SYNERGISTIC STUDY OF ANTIOXIDANT POTENTIAL OF DIFFERENT SPICES AND THEIR BIOACTIVE CONSTITUENTS

... Piperine alone does not show good antioxidant activity, but when mixed with curcumin and eugenol it shows fairly high antioxidant activity which is a very good example of synergistic effect. CONCLUSION: It has been ...

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