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Acid-base properties of cyanobacterial surfaces I: Influences of growth phase and nitrogen metabolism on cell surface reactivity
Download2008
Konhauser, K.O., Owttrim, G.W., Smith, D.S., Lalonde, S.V.
Significant efforts have been made to elucidate the chemical properties of bacterial surfaces for the purposes of refining surface complexation models that can account for their metal sorptive behavior under diverse conditions. However, the influence of culturing conditions on surface chemical...
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Acid-base properties of cyanobacterial surfaces II: Silica as a chemical stressor influencing cell surface reactivity
Download2008
Owttrim, G.W., Lalonde, S.V., Smith, D.S., Konhauser, K.O.
Bacteria grow in complex solutions where the adsorption of aqueous species and nucleation of mineral phases on the cell surface may interfere with membrane-dependent homeostatic functions. While previous investigations have provided evidence that bacteria may alter their surface chemical...
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2003-01-01
Day, S., Sexsmith, K., Millard, J.
BHP Billiton Diamonds Inc (BHPB) has been mining kimberlite from several pipes at the Ekati Diamond MineTM located 300 km north of Yellowknife since 1997. Processing of kimberlite produces coarse kimberlite rejects (CKR, 0.5 to 8 mm) and fine tailings (less than 0.5 mm). The CKR are trucked to...
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2020-02-27
Congdon, Jenna V., Hahn, Allison H., Campbell, Kimberley A., Scully, Erin N., Yip, Daniel A., Bayne, Erin M., Sturdy, Christopher B.
Smaller owls and hawks are high-threat predators to small songbirds, like chickadees, in comparison to larger avian predators due to smaller raptors’ agility (Templeton et al. in Proc Natl Acad Sci 104:5479–5482, 2005). The current literature focuses only on high- and low-threat predators. We...
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2019-02-12
García-Vega, Michelle, Tucker, Benjamin V.
Upper Necaxa Totonac is a Totonacan language spoken in the Necaxa River valley in the Sierra Norte of Puebla State, Mexico. While the Totonacan languages historically have three phonemic vowel qualities, the Upper Necaxa system consists of five vowels that contrast length and laryngealization....
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Acrocerid (Insecta, Diptera) Life-Histories, Behaviors, Host Spiders (Arachnida, Araneida), and Distribution Records
Download1993
Stratton, G., Sorkin, L., Leech, R., Cady, A., Caldwell, M.
Abstract: The family Acroceridae (Insecta: Diptera; ''Small Headed Flies'') are a seldom seen yet cosmopolitan group of endoparasitoids of spiders. Recent host and distribution records are presented here for six species of acrocerids: Ogcodes borealis Cole, 1919; Ogcodes pallidipennis (Loew,...
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Activation of ankle muscles following rapid displacement of a light touch contact during treadmill walking.
Download2017-01-01
Shiva, Tania; Misiaszek, John E.
The first exposure of a rapid displacement of a light touch reference induces an inappropriate balance corrective response during standing in a proportion of participants that is extinguished with repeated exposures. We hypothesized that if the spatial touch reference was critical to performing...
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Activation of Na+/H+ exchanger-directed protein kinases in the ischemic and ischemic-reperfused rat myocardium
Download2001-01-01
Moor, Andrea N., Gan, Xiaohong Tracey, Karmazyn, Morris, Fliegel, Larry
The activity of the Na+/H+ exchanger has been implicated as an important contributing factor in damage to the myocardium that occurs during ischemia and reperfusion. We examined regulation of the protein in ischemic and reperfused isolated hearts and isolated ventricular myocytes. In isolated...
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1995-01-01
Dyck, Jason, Silva, Norma Lucena C. L., Fliegel, Larry
We have isolated and characterized regions important for expression of the mouse NaGraphic/HGraphic exchanger gene. A 1.1-kilobase fragment upstream of the 5′-untranslated region contains specific DNA motifs characteristic of promoter and enhancer elements including a TATA box, two CAAT boxes, an...