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Nitrogen fixation in mixed Hylocomium splendens moss communities
The pleurocarpus feather moss, Hylocomium splendens, is one of two co-dominant moss species in boreal forest ecosystems and one of the most common mosses on earth, yet little is known regarding itsExpand
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Ecosystem controls on nitrogen fixation in boreal feather moss communities
N fixation in feather moss carpets is maximized in late secondary successional boreal forests; however, there is limited understanding of the ecosystem factors that drive cyanobacterial N fixation inExpand
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Involvement of I2-imidazoline binding sites in positive and negative morphine analgesia modulatory effects.
Some studies, suggesting the involvement of I(2)-imidazoline binding sites (I(2)-IBS) in morphine analgesia modulation, prompted us to examine on mice antinociceptive assays the effect produced by 1Expand
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Imidazoline binding sites (IBS) profile modulation: key role of the bridge in determining I1-IBS or I2-IBS selectivity within a series of 2-phenoxymethylimidazoline analogues.
The alpha- and beta-methyl derivatives of 2-phenylethylimidazoline (compounds 7 and 8) and the corresponding enantiomers were prepared and tested with the purpose of studying the role played by theExpand
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Structure-activity relationships in 1,4-benzodioxan-related compounds. 8.(1) {2-[2-(4-chlorobenzyloxy)phenoxy]ethyl}-[2-(2,6-dimethoxyphenoxy)ethyl]amine (clopenphendioxan) as a tool to highlight the
A series of new alpha1-adrenoreceptor antagonists (5-18) was prepared by introducing various substituents (Topliss approach) into the ortho, meta, and para positions of the benzyloxy function of theExpand
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alpha 2-adrenoreceptors profile modulation. 2. Biphenyline analogues as tools for selective activation of the alpha 2C-subtype.
A series of derivatives structurally related to biphenyline (3) was designed with the aim to modulate selectivity toward the alpha(2)-AR subtypes. The results obtained demonstrated that the presenceExpand
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Phosphorus, nitrogen and their interactions affect N-2 fixation, N isotope fractionation and N partitioning in Hippophae rhamnoides
The interactive effects of varying phosphorus and nitrogen supplies on N-2 fixation, N isotope fractionation during N uptake, and N partitioning among plant parts were studied in the actinorhizal pExpand
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Hyperphagic effect of novel compounds with high affinity for imidazoline I(2) binding sites.
Previous studies have suggested that imidazoline I(2) receptors play a role in feeding control in rats. The effect of subcutaneous (s.c.) injections of four novel imidazoline I(2) ligands,Expand
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Agonists and Antagonists Targeting the Different α2-Adrenoceptor Subtypes
Chemical and biological strategies have provided evidence for alpha(2)-receptor heterogeneity, to date classified in three different subtypes, alpha(2A), alpha(2B), and alpha(2C). These are widelyExpand
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Alpha2-adrenoreceptors profile modulation and high antinociceptive activity of (S)-(-)-2-[1-(biphenyl-2-yloxy)ethyl]-4,5-dihydro-1H-imidazole.
A number of derivatives structurally related to cirazoline (1) were synthesized and studied with the purpose of modulating alpha2-adrenoreceptors selectivity versus both alpha1-adrenoreceptors and I2Expand
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