John Peterkin

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A Salix viminalis/gravel system based on hydroponics was developed for wastewater renovation in order to avoid the problems of soil damage and pollution associated with long-term application of wastewater to soil. For such a system to work the mineral elements applied must match closely the requirements of the tree species. To examine this the growth and(More)
A phase I/II dose-ranging open-label 28-day monotherapy study of the safety, pharmacokinetics, and antiviral activity of nelfinavir mesylate (Viracept), an inhibitor of human immunodeficiency virus (HIV)-1 protease, was done in 65 HIV-1-infected subjects. After 28 days, 54 responding subjects entered an open-label extension that allowed for the addition of(More)
Spider mites, Tetranychus urticae Koch (Acari: Tetranychidae) and aphids, Myzus persicae (Sulzer) (Pterygota: Aphididae) share many host-plants, similar abiotic conditions and are world-wide distributed therefore, they often occur simultaneously in crops. However, the effects of interspecific interactions on the biology of these pests were poorly(More)
Based on favorable results from a phase I study of AG1343 using oral doses of 800 mg and 400 mg, a new study assessed a 300 mg dose regimen as the starting dose for a 1-month pilot phase II trial in HIV-positive patients with CD4 counts between 200 and 500. One patient was assessed who had been diagnosed in 1994 with HIV and had no prior HIV therapy or(More)
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