Biodiversity loss is of global concern, and is due in part to deforestation and high consumer demand for wood and wood products. The neotropical tree species Cedrela odorata (“Spanish cedar” or “cedro”) is economically valuable for its wood and faces threats of overexploitation. Due to strong similarities in wood features...
By inverting EarthScope long-period magnetotelluric (MT) data from the southeastern United States (SEUS), we obtain electrical conductivity images that provides key insights into the geodynamics of this region. Significantly, we resolve a highly electrically resistive block that extends to mantle depths beneath the modern Piedmont and Coastal Plain physiographic provinces....
Certain 2- chioroethyl nitrosoureas have been demonstrated
to be highly specific inactivators of chymotrypsin
in vitro and glutathione reductase, both in vivo and in
isolated rat hepatocytes. The inactivation of glutathione
reductase in isolated hepatocytes resulted in an increased
sensitivity toward an adriamycin induced oxidative
challenge.
Prolonged incubation of 1-(2-chloroethyl)-3-([1-¹⁴...
In two studies we tested the effect of vitamin B-6
(B-6) intake on in vitro lymphocyte, proliferation and IL-2
production in healthy young women. In Study I, 6 women were
fed a constant diet containing 0.84 mg (4.96 μmols) of B-6
for 12 d, and 1.24 mg (7.33 μmols) and...
A foundation for the control of tumors is presented,
based upon the formulation of a realistic, knowledge-based
mathematical model of the interaction between tumor cells
and the immune system. The parametric control variables
relevant to the latest experimental data, e.g., the sigmoidal
dose-response relationship and Michaelis-Menten dynamics,
are also considered....
Two studies were conducted to determine the effect of varying vitamin B-6 (B- 6) status on lymphocyte mitogenic response and pyridoxal 5'-phosphate (PLP) concentration in peripheral blood mononuclear cells (PBMC) in young women. In the first study, women were fed 1 mg/d for the first week and 1.5, 2.1 and...
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The Perspective is published quarterly both...