نتایج جستجو برای: thenoyltrifluoroacetone
تعداد نتایج: 170 فیلتر نتایج به سال:
An ion-associate phase (IAP) microextraction/ back-microextraction system was applied for the enrichment, separation, and detection of trace amounts nickel from environmental water samples. Thenoyltrifluoroacetone (HTTA) acted not only as a chelating reagent nickel, but also component extraction phase, i.e., IAP. Nickel in 40 mL sample solution pH-adjusted with phenolsulfonate (PS−) tetramethyl...
E rhard U hlem ann*, Alwin Friedrich, G erald Hinsche, W ulfhard Mickler, Uwe Schilde Institut für Anorganische Chemie und Didaktik der Chemie. Universität Potsdam, Postfach 601553, D-14415 Potsdam Z. Naturforsch. 50b, 37-42 (1995); eingegangen am 11. Juli 1994 3-Phenyl-4-benzoyl-5-isoxazolone, Crystal Structure, Thermal Stability, Complex Stability Constants, Dioxane/Water-Mixtures Acid consta...
The fluorescent complex Nd(TTA)3Phen (TTA = thenoyltrifluoroacetone, Phen = 1, 10-phenanthroline), was doped into the host material 6-FDA epoxy (6-fluorinated-dianhydride cured epoxy). The room-temperature absorption spectrum of Nd transitions was experimentally obtained, with which the Judd-Ofelt model was applied to determine the Judd-Ofelt parameters. These parameters are used to calculate t...
The mitochondrial respiratory Complex II or succinate:ubiquinone oxidoreductase (SQR) is an integral membrane protein complex in both the tricarboxylic acid cycle and aerobic respiration. Here we report the first crystal structure of Complex II from porcine heart at 2.4 A resolution and its complex structure with inhibitors 3-nitropropionate and 2-thenoyltrifluoroacetone (TTFA) at 3.5 A resolut...
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