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Article
Structure, magnetic and electrical properties of Ba-modified Bi2Fe4O9
Bi2−xBaxFe4O9 material (0 ≤ x ≤ 0.125) has been synthesized by sol–gel method. Structural characterization shows the single phase of orthorhombic Bi2Fe4O9. Moreover, the structure of Bi2−xBaxFe4O9 gradually prese...
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Article
Open AccessImpact of human activities on subaqueous topographic change in Lingding Bay of the Pearl River estuary, China, during 1955–2013
Estuaries have been sites of intensive human activities during the past century. Tracing the evolution of subaqueous topography in estuaries on a decadal timescale enables us to understand the effects of human...
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Article
Open AccessSerum-dependent processing of late apoptotic cells for enhanced efferocytosis
Binding of the serum protein complement component C1q to the surface of dying cells facilitates their clearance by phagocytes in a process termed efferocytosis. Here, we investigate during which phase of apopt...
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Chapter
Regulation of NifA Synthesis and Activity in Azospirillum Brasilense Sp7
Bacteria of the genus Azospirillum are Gram negative, curved rod shaped, aerobic chemoorganotrophs which can fix nitrogen under free-living conditions or in association with grasses (Elmerich et al. 1992). The or...
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Chapter
Nif and Nod Genes in Azospirillum
Azospirillum can fix nitrogen under free-living conditions or in association with grasses. Genetics of nitrogen fixation was initiated in A. brasilense Sp7. A 30 kb DNA region containing nifHDK, ...