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A review of the biodistribution and toxicity of the insect repellent N,N-diethyl-m-toluamide (DEET) is presented. Workers using repellent containing this compound may be exposed to greater than 442 g in 6 mo. In human studies, variable penetration into the skin of from 9 to 56% of a topically applied dose and absorption into the circulatory system of(More)
Vertebrate cells that are transformed by oncogenes such as v-src or are stimulated by mitogens have increased rates of glucose uptake. In rodent cells, the mechanisms whereby glucose transport is up-regulated are well understood. Stimulation of glucose transport involves an elevation in mRNA encoding the GLUT1 glucose transporter that is controlled at the(More)
The effects of different viral and cellular oncogenes on the cytokine-dependency of murine hematopoietic cell lines were compared. The myeloid FDC-P1 cell line was sensitive to abrogation of growth factor-dependency by the constitutive expression of viral oncogenes (v-abl, v-src, v-Ha-ras, and v-fms) and the activated cellular oncogene BCR-ABL and Delta(More)
The reliability and reproducibility of five miniature chromatography systems for the radiochemical purity of 99mTc-labeled technetium Tc 99m pentetate was evaluated. Radiochemical purity of technetium Tc 99m pentetate was determined 15-30 minutes after preparation once a month for nine consecutive months. A reference value was determined by gel filtration(More)
The HD3 cell, a chicken erythroblast cell line infected with a temperature-sensitive avian erythroblastosis virus, becomes committed to differentiate to an erythrocyte upon temperature shift in presence of inducers. Before induction, the HD3 cell transports glucose and 2-deoxyglucose (2-DG). 3-O-methylglucose is poorly taken up. Upon induction of(More)