نتایج جستجو برای: trace elements
تعداد نتایج: 331396 فیلتر نتایج به سال:
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Here, we present a sub-μm multimodal approach to image essential elements in Caenorhabditis elegans. A combination of chemical imaging technologies reveals total metal concentration, chemical state and the protein to which an element is associated. This application of distinct yet complementary chemical imaging techniques provided unique insight into essential and trace elements at the subcellu...
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Anaerobic digestion (AD) is a complex multi-stage process relying on the activity of highly diverse microbial communities including hydrolytic, acidogenic and syntrophic acetogenic bacteria as well as methanogenic archaea. The lower diversity of methanogenic archaea compared to the bacterial groups involved in AD and the corresponding lack of functional redundancy cause a stronger susceptibilit...
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pollution deriving from trace elements (cd, cu, ni, pb, zn, hg, as and cr) in sediment samples(collected in 2009), belonging to rivers located in catalonia and the basque country (spain), was assessedaccording to sediment quality guidelines. sediment samples were ranked in terms of a pollution index thattakes into account the presence of multiple pollutants such as trace elements. while only ab...
The new approaches of the animal production systems make managing the mineral nutrition a challenge. Versus the excessive, trace mineral supply in intensively managed livestock, well above the physiological requirements, is the no trace mineral supplementation of organic systems, which become highly dependent on trace minerals in the soil. Nowadays, in addition to the animal health perspective,...
published data on the effects of ruminal bolus on the number of ovulatory follicles in ewes does not exist. the present study determined the effects of a ruminal bolus on trace element status, follicular dynamics and reproductive performance in ewes. eighty afshari cycling ewes were synchronized during breeding season using cidr for 14 days and assigned to 4 groups (n=20); group 1 received a si...
to evaluate the correlations of the serum concentrations of trace elements with lipids and lipoproteins in water buffalo (bubalus bubalis), the serum concentrations of cholesterol, triglyceride, total lipids, very low density lipoproteins (vldl-cholesterol), low density lipoproteins (ldl-cholesterol) and high density lipoproteins (hdl-cholesterol) and their correlations with serum concentration...
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