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Concerns about the environmental and human health implications of TiO2 nanoparticles (nTiO2) are growing with their increased use in consumer and industrial products. Investigations of the underlying molecular mechanisms of nTiO2 tolerance in organisms will assist in countering nTiO2 toxicity. In this study, the countermeasures exhibited by the slime mold Physarum polycephalum macroplasmodium against nTiO2 toxicity were investigated from a physiological, transcriptional, and metabolic perspective. The results suggested that the counterme

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. Surgery in head and neck district is often associated with bleeding as major complication and need of blood transfusions. Homologous blood transfusions may be unacceptable to some patient groups such as the Jehovah's Witness (JW) patients. Refusal of potentially life-saving treatment creates ethical dilemmas for treating clinicians.This is the first report in literature which examines the management and treatment of a female JW patient who underwent major surgical procedure for squamous cell carcinoma of the jaw with a high risk of hemor