نتایج جستجو برای: trace iron determination
تعداد نتایج: 448945 فیلتر نتایج به سال:
Lactoferrin is considered as a part of the innate immune system that plays a crucial role in preventing bacterial growth, mostly via an iron sequestration mechanism. Recent data show that bovine lactoferrin prevents late-onset sepsis in preterm very low birth weight neonates by serving as an iron chelator for some bacterial strains; thus, it is very important to control the iron saturation leve...
Recent research has revealed that trace metals, particularly transition metals, play important roles in marine productivity. Most of the work has been on iron, which shows a nutrient-depleted profile in the upper ocean. Marine organisms have a variety of means for acquiring iron and other transition metal ions that differ from those of terrestrial organisms.
Methylxylenol blue or S^'-bis-Z^jiV'-diicarboxymethylJaminomethyl-^-xylenolsulfonephthalein belongs to the group of metallochromic indicators prepared by Körbt and Přibil [1] via condensation of common sulfonephthalein dyes with formaldehyde and iminodiacetic acid. Recently it has been newly prepared by Cherkesov and co-workers [2] and named ^-xylenolphthalexon S. Two indicators from this group...
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