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The presence and significance of tumor hypoxia has been recognized since the 1950's. Hypoxic cells in vitro and in animal tumors in vivo are documented to be three times more resistant to radiation-induced killing compared to aerobic cells. There is now evidence that tumor hypoxia is treatment-limiting in many human cancers. One common way to describe the(More)
Seven commercially available Blankophor fluorescent brighteners were compared with the standard Tinopal LPW as solar radiation protectants for Steinernema carpocapsae (All strain). Blankophor BBH and Tinopal LPW were the most successful UV screens, with 95% of the original nematode infectivity to larvae of the greater wax moth, Galleria mellonella, retained(More)
A stilbene fluorescent brightener, Tinopal LPW, was used as an ultraviolet (UV) protectant for the entomopathogenic nematode Steinernema carpocapsae (All strain). Irradiation of an aqueous suspension of nematodes produced a LC in 15.7 minutes under a sunlamp and in 31.7 minutes in direct sunlight. Irradiation by both sunlamp and sunlight of a suspension of(More)
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