Phoebe L. Hauff

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The upper Arkansas River basin of central Colorado encompasses watersheds that are affected by acid rock drainage from natural and mining-induced sources. Hyperspectral remote sensing is being used to characterize and map the source mineralogy of acid rock drainage, changes in downstream water quality, and the deposition of mine tailings in fluvial(More)
The effect of droloxifene, a new anti-oestrogenic drug, on N-nitrosomethylurea-induced mammary tumours of Sprague-Dawley rats was investigated and compared with that of tamoxifen. The response of tumour growth to ovariectomy or to treatment with aminoglutethimide or high doses of oestradiol was also studied. Ovariectomy was by far the most effective(More)
In N-nitrosomethylurea-induced rat mammary tumours, tamoxifen is found to compete at the binding sites of the oestradiol receptor if a receptor determination is performed 1 day following the last drug application to animals. Despite a higher binding affinity of droloxifene (3-OH-tamoxifen) to oestradiol receptor, compared to tamoxifen, its influence on the(More)
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