Decades of acid rain have acidified forest soils and freshwaters throughout montane forests of the northeastern United States; the resulting loss of soil base cations is hypothesized to be responsible for limiting rates of forest growth throughout the region. In 1999, an experiment was conducted that reversed the long-term trend of soil base cation depletion and tested the hypothesis that calci...

Plasmid p15B of Escherichia coli 15T- carries a 3.5-kilobase segment that undergoes frequent DNA inversion mediated by the DNA inversion enzyme Min, a member of the Din family of site-specific recombinases. While the previously described Din inversion systems invert a DNA segment between two crossover sites in inverted orientation, the Min system produces more complex DNA rearrangements. These ...

The DIN Didactical Object Model extends the approaches of existing Educational Modeling Languages introducing specifications for contexts and experiences. In this paper, we show how the Didactical Object Model can be used for sharing didactical expertise. Educational Modeling Languages change the design paradigm from content orientation towards process-/ activity orientation. Especially in the ...

Rezumat Introducere. Tratamentul standard al carcinoamelor uroteliale de cale urinară superioară (UUT-UCCs) este reprezentat de nefroureterectomia totală cu cistectomie perimeatică. Scopul acestui studiu a fost analiza retrospectivă a factorilor care pot influența prognosticul pacienților UUT-UCCs tratați endoscopic. Material și metodă. In perioada 1998 2010 în cadrul Clinicii de Urologie a Spi...

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In vertebrates, specification of the dorso-ventral axis requires Wnt signaling, which leads to formation of the Nieuwkoop center and the Spemann organizer (dorsal organizer), through the nuclear accumulation of beta-catenin. Zebrafish bozozok/dharma (boz) and squint (sqt), which encode a homeodomain protein and a Nodal-related protein, respectively, are required for the formation of the dorsal ...

AIM To study the anti-inflammatory effects of total saponins of Panax notoginseng (PnS). METHODS Rat air-pouch acute inflammatory model was established with s.c. carrageenan (Car, 25 mg.kg-1). The protein content in exudate was measured. Micro-acid titration assay and radioimmunoassay (RIA) were applied respectively to investigate effects of PnS on phospholipase A2 (PLA2) activity and dinopro...

Eğitimin temel amacı, bireyin olumlu davranışlar sergileyerek istenilen duruma ulaşmasıdır. Din eğitiminin dindar bir toplum için dünya ve ahiret mutluluğunu sağlayan gösterebilmektir. Bu nedenle sosyal, psikolojik davranışsal açıdan toplumun arzu ettiği gelmesine katkı her faaliyet din eğitimi açısından önemli görülmektedir. İslam doğu toplumlarında uygulanan mevlid etkinliğinin bu anlamda kat...