منابع مشابه
Exonuclease III recognizes urea residues in oxidized DNA.
Escherichia coli exonuclease III was found to be associated with an activity that recognizes urea residues in DNA but not thymine glycol residues from which the urea residues were prepared. This activity was not due to a contaminating activity such as endonuclease III since urea-containing DNA was a competitive inhibitor of exonuclease III when apurinic DNA was used as a substrate and vice vers...
متن کاملExtraction, preconcentration and spectrometric determination of Al (III) and Cr (III) ions using modified MnFe2O4 nanoparticles as an efficient adsorbent
An efficient and reusable adsorbent, namely 3-mercaptopropionic acid modified tetraethyl orthosilicate (TEOS) grafted MnFe2O4 nanoparticles (MPA-TEOS-MnFe2O4 NPs) was synthesized and used for the extraction and preconcentration of trace amount of Al (III) and Cr (III) ions in water samples. MnFe2O4 NPs were prepared by chemical c...
متن کاملDevelopment of a Reliable Analytical Method for Liquid Anion-Exchange Extraction and Separation of Neodymium(III)
The liquid-liquid extraction of neodymium(III) from succinate media (0.06 M) has been studied at pH 6.0 with the solution of 0.1 M of N-n-octylaniline in xylene when equilibrium is maintained for 5 min. The back-extraction of neodymium(III) has been performed by using 0.1 M HClO₄. The effect of various parameters, such as pH, equilibrium time, extractant concentration, stripping agents, organic...
متن کاملThe Probabilistic Method III
At other times you seemed to me either pitiable or contemptible, eunuchs, artificially confined to an eternal childhood, childlike and childish in your cool, tightly fenced, neatly tidied playground and kindergarten, where every nose is carefully wiped and every troublesome emotion is soothed, every dangerous thought repressed, where everyone plays nice, safe, bloodless games for a lifetime and...
متن کاملEffect of Polyethylene Glycols Dissolved in Aqueous Phase on the Extraction-Separation of La(III), Eu(III) and Er(III) Ions with Bis(2-ethylhexyl)phosphoric Acid
The present work concerns on the investigation of the role of polyethylene glycols (PEGs) as masking agent for amelioration of extraction-separation of La(III), Eu(III) and Er(III) ions by the acidic extractant bis(2-ethylhexyl)phosphoric acid (DEHPA). The studied solvent extraction system is based on the combination of chelating effect of DEHPA in the organic phase on the one hand, and the bin...
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ژورنال
عنوان ژورنال: Journal of Japan Oil Chemists' Society
سال: 1960
ISSN: 1884-2003
DOI: 10.5650/jos1956.9.611