Accumulatlon of polonium In the common prawn Palaemon serratus and the sea perch Serranus scnba was studied expenmentally to clanfy the relative Importance of water and food as sources of the hlgh 210Po concentrations usually found in marlne organisms A double-tracer technlque was used whlch enables dlfferentlating the bioaccun~ulation of PO dissolved in seawater (as 210Po) and the dlgestlve tr...

Introduction: Rhopalurus junceus scorpion venom has shown potential for anticancer treatment. However, there are no scientific evidence about venom pharmacokinetic (PK) and biodistribution (BD) in tumor-bearing mice. Methods: 131I-labeled venom was administrated by intravenous (IV) and oral (PO) routes at the single dose of 12.5 mg/kg. Mice were sacrificed and blood samples, major organs, and t...

Public opposition to genetically modified organisms (GMOs) remains strong. By contrast, studies demonstrate again and again that GM crops make a valuable contribution to the development of a sustainable type of agriculture. The discrepancy between public opinion and the scientific evidence requires an explanation. We argue that intuitive expectations about the world render the human mind vulner...

QX is a fatal disease in Sydney rock oysters (Saccostrea glomerata) that results from infection by the protistan parasite, Marteilia sydneyi. Since 1997, the New South Wales Fisheries Service has bred S. glomerata for resistance to QX disease. The current study shows that the QX resistance breeding program has selected oysters with enhanced phenoloxidase (PO) activities. The third generation of...

BIOSIGNATURE FOR EXOPLANETS. T. M. Fisher, S. I. Walker, H. Smith, M. Line, J. Lyons, and C. Ruiz 1 ASU School of Earth and Space Exploration, PO Box 871404, Tempe, AZ 85287-1404, [email protected], 2 ASU School of Earth and Space Exploration, PO Box 871404, Tempe, AZ 85287-1404, [email protected], ASU School of Earth and Space Exploration, PO Box 871404, Tempe, AZ 85287-1404, [email protected], A...

Polonium-210 is an alpha particle emitting radioactive element with a half-life of 138 days. It appears at the end of the decay-chain of Uranium-238 where the long lived Lead-210 (22.3 a) decays to Bismuth-210, and finally Polonium-210. Po is introduced into the biosphere through various routes of terrestrial and marine radioecological pathways. The level of Po activity in drinking water (5 Bq....

The N(2)-fixing legume nodule requires O(2) for ATP production; however, the O(2) sensitivity of nitrogenase dictates a requirement for a low pO(2) inside the nodule. The effects of long term exposures to various pO(2)s on N(2)[C(2)H(2)] fixation were evaluated with intact soybean (Glycine max [L.] Merr., var. Wye) plants. Continuous exposure of their rhizosphere to a pO(2) of 0.06 atmospheres ...

Inorganic phosphate is present in milk at a concentration that is severalfold higher than in maternal plasma. In cultured mammary tissues from 12- to 14-day-pregnant mice, the intracellular concentration of (32)PO(4) was six times higher than in the culture medium after a 4-h treatment with (32)PO(4). Of the principal lactogenic hormones [insulin (I), cortisol (H), and prolactin (PRL)], only I ...

the interline power flow controller (ipfc) is a concept of the facts controller for series compensation which can inject a voltage with controllable magnitude and phase angle among multi lines. this paper proposes a novel ipfc-based damping neuro-control scheme using pso for damping oscil la t i o ns in a power system to improve power system stability. the add i tion of a supplementary controll...