Reginald J. Robinson

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The applicability of using infrared absorption spectroscopy for an implantable glucose sensor was tested by measuring absorbance at 9.66 microns for glucose in aqueous solution at known concentrations. A commercial Fourier transform infrared spectrometer was used with an attenuated total reflection technique (ATR). Absorbance measurements were reproducible(More)
Dilute solutions of phenols in water at the ppm level may be analysed gas chromatographically by direct injection onto a column with a packing similar to that used in the Viking 1975 spacecraft: Tenax GC (2,6-diphenyl-p-phenylene oxide polymer) modified with polymetaphenyl ether liquid phase to eradicate irreversible adsorption. Symmetrical peaks were(More)
Unisexual sperm-dependent species depend on a sexual host for reproduction, and must live in sympatry with their sperm donor. If niche overlap between the species is substantial, the intrinsic faster population growth of the unisexual over sexual species can cause competitive exclusion of the host from resources, causing the demise of the unisexual species.(More)
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