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Determination of uranium and thorium in basalts and uranium in aqueous solution by inductively coupled plasma mass spectrometry (1993)
Journal Article

Methods are described for the simultaneous determination of uranium and thorium in basaltic rocks at concentrations from mg kg-1 (ppm) to ?g kg-1 (ppb) levels and for uranium in solution at femtogram levels. The technique for basalts does not require... Read More about Determination of uranium and thorium in basalts and uranium in aqueous solution by inductively coupled plasma mass spectrometry.

The isolation of transcription factors from ?gt11 cDNA expression libraries: human steroid 5?-reductase 1 has sequence-specific DNA binding activity (1992)
Journal Article

The Surf-1/Surf-2 bi-directional promoter contains binding sites for at least three transcription factors (Su1, Su2, and Su3). By screening a ?gt11 HeLa cell cDNA expression library with a concatenated Su2 factor binding site, we isolated a cDNA whic... Read More about The isolation of transcription factors from ?gt11 cDNA expression libraries: human steroid 5?-reductase 1 has sequence-specific DNA binding activity.

A combined theoretical/experimental approach to the dynamic characterization of viscoelastic materials (1992)
Journal Article

This research combines theoretical and experimental approaches to the dynamic mechanical characterization of viscoelastic materials. A detailed derivation is presented for the dynamic response of a typical viscoelastic rod sample. Particular attentio... Read More about A combined theoretical/experimental approach to the dynamic characterization of viscoelastic materials.