Montree Tungjai

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It has been well recognized that exposure to space radiation is a major challenge to space exploration. To protect astronauts in space environments, improvement in our knowledge of radiation-induced changes in specific target cells that may affect the health of astronauts is required. Cancer of blood cells, in particular myeloid leukemia (ML), is one of the(More)
The objectives of this study were to investigate the behavior of flavonoids in an aqueous physiological buffer and to determine the structural and functional group substitution which is responsible for their anticancer action. The de-protonated anionic form of 7 flavonoids can easily be determined using spectrophotometry, and owing to its charged state, is(More)
The aim was to study the intracellular reactive oxygen species and mitochondrial membrane potential in normal cells exposed to diagnostic X ray. Human peripheral blood mononucleated cells (PBMCs) were exposed to X ray from diagnostic x-ray machine operated at 50 killovoltage (kV), 25 milliampere (mA), 4 seconds (s) and 100 kV, 25 mA, 4 s for total doses at(More)
Although the lung is one of the target organs at risk for cancer induction from exposure to heavy ions found in space, information is insufficient on cellular/molecular responses linked to increased cancer risk. Knowledge of such events may aid in the development of new preventive measures. Furthermore, although it is known that germinal cells are sensitive(More)
Myeloid leukemia (ML) is one of the major health concerns from exposure to radiation. However, the risk assessment for developing ML after exposure to space radiation remains uncertain. To reduce the uncertainty in risk prediction for ML, a much increased understanding of space radiation-induced changes in the target cells, i.e., hematopoietic(More)
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