نتایج جستجو برای: thiocyanate level
تعداد نتایج: 1082827 فیلتر نتایج به سال:
al.(12), I did not find the technique 12. Merlini J, Piro P, Pavesi F, et al. weakly basic resin Amberlite IRA-68 susceptible to technical artefacts. Detection and identification of monoclo(Rohm and Haas), which has a polyImmunofixation on cellulose acenal components: Immunoelectrophoreacrylic matrix, has practically no affintate deserves wider use for identifisis on agarose gel and immunofixat...
A highly selective poly(vinyl chloride) (PVC) membrane electrode based on an N,N'-ethylene-bis(4-methyl-salicylidineiminato) nickel(II) [Ni(EBMSI)] complex as a carrier for a thiocyanate-selective electrode is reported. The influences of the membrane composition, pH and possible interfering anions were investigated based on the response properties of the electrode. The electrode exhibited a goo...
The effects of potassium thiocyanate on the binding of DL-aamino-3-hydroxy-5-methylisoxazolepropionic acid (AMPA), 6-cyano-7-nitroquinoxaline-2,3-dione (CNQX), and L-glutamate to the AMPA receptor complex were studied in rat brain membranes. Thiocyanate increased the affinity of AMPA receptors for both AMPA and i.-glutamate and decreased the affinity for CNQX. Displacement of [3H]CNQX binding b...
Lactoperoxidase catalyzes the oxidation of thiocyanate by hydrogen peroxide into hypothiocyanite, a reaction which can protect bacterial and mammalian cells from killing by hydrogen peroxide. The present study demonstrates, however, that lactoperoxidase in the presence of thiocyanate can actually potentiate the bactericidal and cytotoxic effects of hydrogen peroxide under specific conditions, s...
Human milk and saliva from newborn infants were analyzed for their content of lactoperoxidase and thiocyanate. The activity of lactoperoxidase in infant saliva was variable but generally higher than that found in calf saliva. In contrast, the activity in human colostrum was low ( approximately 5%) compared with that found in cow's milk. The enzyme was resistant to gastric juice. Thiocyanate was...
Densities and viscosities have been determined for binary mixtures of the ionic liquids (ILs) 1-butyl-3-methylimidazolium thiocyanate [BMIM][SCN], or 1-butyl-4-methylpyridinium thiocyanate [BMPy][SCN], or 1-butyl-1-methylpyrrolidinium thiocyanate [BMPYR][SCN], or 1-butyl-1-methylpiperidinium thiocyanate [BMPIP][SCN] with water over wide range of temperatures (298.15-348.15) K and ambient pressu...
In an effort to find practical means of distinguishing iron deficiency anemias from other types in large population groups, an investigation was made of the possibility of measuring iron in an amount of blood serum obtainable from the finger. Iron deficiency anemias are characterized by low serum iron, while other states of diminished hemoglobin formaCon show normal or even high values for seru...
Receptor binding studies were undertaken in an attempt to identify and characterize pharmacologically and functionally distinct receptor sites for gamma-aminobutyric acid (GABA) in rat brain. The results indicated that the potency of bicuculline, a GABA receptor antagonist, to displace membrane-bound [3H]GABA varies significantly among different brain regions, with the greatest potency found in...
In 1932 Marine, Raumann, Spence, and Cipra (1) discovered that administration of cyanides to rabbits will usually lead to thyroid hyperplasia. As one phase of our study of the mechanism of this phenomenon we have investigated the fate of several cyanides given to normal and thyroidectomized rabbits with the results presented in this paper. Lang (2) first showed that 12 to 17 per cent of adminis...
This article presents a Bayesian method for the analysis of toxicological multivariate mortality data when the discrete mortality rate for each family of subjects at a given time depends on familial random eeects and the toxic level experienced by the family. Our aim is to model and analyze one of such multivariate mortality data with large family sizes, the potassium thiocyanate (KSCN) tainted...
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