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Fish otolith reference material for quality assurance of chemical analyses
Abstract A certified reference material (CRM) for major, minor and trace element analysis was prepared from sagittal otolith of red emperor ( Lutjanus sebae ) at National Institute for EnvironmentalExpand
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Effects of physical-chemical characteristics on the sorption of selected endocrine disruptors by dissolved organic matter surrogates.
Sorption coefficients (K(oc) values) of selected endocrine disruptors for a wide variety of dissolved organic matter (DOM) were measured using fluorescence quenching and solubility enhancement.Expand
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Determination of estrogens and their conjugates in water using solid-phase extraction followed by liquid chromatography-tandem mass spectrometry.
An analytical procedure for the determination of steroid estrogens and their conjugates was developed and applied to aqueous environmental samples. The analytes of 15 compounds were solid-phaseExpand
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Bisphenol A levels in human urine.
The estrogenic effects of bisphenol A (BPA) have been reported in human cells (E-screen assays) and in (italic)in vivo(/italic) studies of rodents, although the latter reports remain controversial,Expand
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Imposex and organotin compounds in Thais clavigera and T. bronni in Japan
Rates of occurrence and degrees of imposex, and tissue concentrations of organotin compounds (tributyltin, TBT; dibutyltin, DBT; butyltin, MBT; triphenyltin, TPT; diphenyltin, DPT; and phenyltin,Expand
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Horizontal distribution of steroid estrogens in surface sediments in Tokyo Bay.
A monitoring survey was conducted to investigate the distribution of steroid estrogens and their conjugates in surface sediments of Tokyo Bay for the first time, which is known as one of the mostExpand
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Dechlorane Plus pollution and inventory in soil of Huai'an City, China.
Dechlorane Plus (DP) has been used as a highly chlorinated flame retardant substituting those that are now internationally regulated under the Stockholm Convention. Nevertheless DP's environmentalExpand
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Degradation of 1,4-Dioxane and Cyclic Ethers by an Isolated Fungus
ABSTRACT By using 1,4-dioxane as the sole source of carbon, a 1,4-dioxane-degrading microorganism was isolated from soil. The fungus, termed strain A, was able to utilize 1,4-dioxane and many kindsExpand
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Bisphenol A causes hyperactivity in the rat concomitantly with impairment of tyrosine hydroxylase immunoreactivity
We examined the effects of bisphenol A, an endocrine disruptor, on rat behavioral and cellular responses. Single intracisternal administration of bisphenol A (0.2‐20 μg) into 5‐day‐old male WistarExpand
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A rapid and highly efficient method for preparation of competent Escherichia coli cells.
This protocol describes a simple and efficient procedure for preparation and storage of competent Escherichia coli cells applicable to transformation and transfection. This procedure is much simplerExpand
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