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Ancient vicariance or recent long-distance dispersal? Inferences about phylogeny and South American-African disjunctions in rapateaceae and bromeliaceae based on ndhF sequence data
Download2004
Evans, T.M., Sytsma, K.J., Givnish, T.J., Berry, P.E., Hall, J.C., Pires, J.C., Millam, K.C.
Rapateaceae and Bromeliaceae each have a center of diversity in South America and a single species native to a sandstone area in west Africa that abutted the Guayana Shield in northern South America before the Atlantic rifted. They thus provide ideal material for examining the potential role of...
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2000-01-01
Willows, Noreen D., Dewailly, Éric, Gray-Donald, Katherine
The iron status and diet of Inuit infants living in northern Quebec who were part of a prospective cohort study was described. The prevalence of anemia (hemoglobin values >2SD below the reference mean) was 21.1% (23/109), 47.4% (55/116) and 37.7% (46/122) at 2, 6 and 12 months, respectively. The...
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Anemia quatsinoensis sp nov (Schizaeaceae), a permineralized fern from the lower Cretaceous of Vancouver Island.
Download2006
Stockey, R. A., Rothwell, G. W., Hernandez-Castillo, G. R.
Anatomically preserved schizaeaceous vegetative and fertile organs have been identified from the Apple Bay locality (Lower Cretaceous) of Vancouver Island, British Columbia. Specimens are permineralized in calcareous nodules that contain numerous plants and marine invertebrates. Fertile pinnules...
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Angiostatin inhibits endothelial MMP-2 and MMP-14 expression: A hypoxia specific mechanism of action
Download2013
Zielnik-Drabik, B., Jurasz, P., Radziwon-Balicka, A., Moncada de la Rosa, C., Ramer, C.
Angiostatin is an angiogenesis inhibitor in part generated by and released from platelets. Since platelets upon thrombus formation can give rise to areas of hypoxia, we investigated the effects of angiostatin on endothelial cell migration and apoptosis during hypoxia. Human microvascular...
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2015
Currie, Philip J., Arbour, Victoria M.
Ankylosaurid ankylosaurs were quadrupedal, herbivorous dinosaurs with abundant dermal ossifications. They are best known for their distinctive tail club composed of stiff, interlocking vertebrae (the handle) and large, bulbous osteoderms (the knob), which may have been used as a weapon. However,...
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2008
Bakhtin’s concept of the chronotope, the representation of a particular time and space in an artistic work, is used to explore connections between Anne of Green Gables (Montgomery, 1908) and Elijah of Buxton (2007). Written a century apart, these novels both feature an eleven-year-old protagonist...
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Annual variation in wild rice (Zizania palustris L.) in Saskatchewan; growth and potential yield
Download1989
Sutherland, J. M., Archibold, O. W., Good, A. G.
Mature wild rice plants collected from 20 sites across northern Saskatchewan over the period 1984-1987 were measured for various morphological traits. Considerable regional variation was noted for factors such as stem length, degree of tillering and seed production with plants in the west being...
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Anodic Cu2S and CuS Nanorod and Nanowall Arrays: Preparation, Properties and Application in CO2 Photoreduction
Download2014-09-14
Piyush Kar, Samira Farsinezhad, Xiaojiang Zhang, Karthik Shankar
Copper sulfide semiconductors made from earth-abundant elements have an optical absorption edge at ca. 1.2 eV, nearly ideal for solar energy harvesting. We report the growth and formation mechanism of vertically oriented arrays of copper sulfide nanostructures formed by electrochemical...