on the effect of cyanide

  • The Effects of Cyanide on the Human Body | KochiPost

    2019-10-17 · Cyanide acts on the mitochondria which is the ‘power house’ of the cells by cutting off the production of ATP (Adenosine Triphosphate) causing cell death. Cyanide affects cellular respiration and disrupts the oxygen utilization.

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  • The effect of cyanide on the efflux of calcium from squid ...

    2017-7-12 · Asimilar effect was observed when cyanide was applied after extrusion. 8. Replacing external sodium glutamate with potassium glutamate greatly reduced the loss of45Ca fromintact axons poisoned with cyanide buthadlittle effect onthe loss fromextrudedaxoplasm. * USPHS special fellow. Present address: Department of Physiology, Washington

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  • The effect of temperature on the rate of cyanide ...

    2005-5-1 · The removal rates of cyanide were determined from the slope of the plot of the amount of aqueous cyanide removed by plant leaves (mg CN kg −1 h −1) versus time.The best fit was obtained with linear regression, judged by the regression coefficient r.For the low temperature range, between 11 and 24 °C, the calculation was based on the data from the exposure period

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  • Effects of oxygen on the antagonism of cyanide ...

    The effect of oxygen on cyanide-inhibited cytochrome oxidase with and without cyanide antagonist(s) was investigated in a purified membraneous enzyme system prepared from rat liver mitochondria. Cyanide produced a concentration dependent inhibition of cytochrome oxidase, and 100% oxygen did not alter the inhibition produced by KCN either in the ...

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  • The effect of temperature, cyanide and base metals on the ...

    2014-10-1 · The presence of free cyanide was found to have a decreasing effect on the adsorption of Pt and Pd and this effect was found to increase with an increase in temperature. The low activation energies calculated for Pd, Pt and Au of 14.4, 13.9 and 11.8 kJ/mol are indicative of a diffusion controlled process rather than chemical adsorption.

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  • The effect of sodium fluoride on the stability of cyanide ...

    2011-6-15 · It can be concluded, therefore, that the sodium fluoride does exhibit a significant effect on the stabilization of cyanide in blood samples over a 25–30 day period. Although a significant increase in cyanide stability was seen in the conditioned samples, a complete inhibition of cyanide changes over time was not achieved.

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  • The effect of Pt nanoparticles distribution on the removal ...

    2019-11-1 · The effect of the catalyst loading (0.20% Pt/Ti–Al-MCM-41) on the photocatalytic removal (%) whereas the inset shows the variations in percentage cyanide with the changing catalyst loading. The activity of the synthesized photocatalysts was compared for the removal of cyanide ions in the aqueous phase.

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  • EFFECT OF SELECTED VEGETABLE OILS ON THE CYANIDE

    2020-12-7 · Fig. 1(b): Effect of Different Vegetable Oil Treatment on Cyanide Co ntent of Cassava Product (garri) Made from Bitter Cassa va Gar ri treated with vegetable oils were lower in cyanide content than that fermented without oil. The cyanide content of fer mented garri with palm oil was the least followed by that treated with

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  • Effect of the structure of carbon adsorbents on the ...

    1992-6-1 · To delineate the effect of adsorbent properties, gold cyanide was adsorbed on a series of carbonaceous adsorbents, including lignite, coals, anthracites, carbon blacks, graphite and activated carbon, which covers wide variations of composition, surface acid group content, and degree of graphitization. The results show that the adsorption of ...

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  • Proteomic Analysis of the Effect of Cyanide on Klebsiella ...

    2009-11-17 · Cyanide has been proved to be degraded by Klebsiella oxytoca. In order to examine the physiological responses of cyanide degradation by this bacterium, two-dimensional (2-DE) electrophoresis approach and MALDI–TOF–MS allow us to identify 106 proteins spots that were significantly altered in the presence of 1 mM cyanide in relative to that in 1 mM ammonia when

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  • Effect of Cyanide on the Respiration and the Oxidative ...

    It is suggested that the assimilation of glucose is coupled with the oxidation of glucose by a cyanide-sensitive respiratory system. The mathematical consequences of this theory are considered and shown to agree with the experimental results. The effect of cyanide on the respiratory quotient is also discussed.

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  • Mechanism of the effect of cyanide on cell membrane ...

    The effect of cyanide is practically immediate, reversible (if exposure is brief), and long-lasting (greater than 30 min). 2. The hyperpolarization is accompanied by: (a) reduction of the equivalent resistance of the cell membranes, as shown by cable analysis and input resistance measurements, and (b) increase of the potassium selectivity of ...

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  • Effects of oxygen on the antagonism of cyanide ...

    The effect of oxygen on cyanide-inhibited cytochrome oxidase with and without cyanide antagonist(s) was investigated in a purified membraneous enzyme system prepared from rat liver mitochondria. Cyanide produced a concentration dependent inhibition of cytochrome oxidase, and 100% oxygen did not alter the inhibition produced by KCN either in the ...

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  • Effect of Cyanide on Mitochondrial Membrane

    The causes of the effect of cyanide on the efficiency of protonophoric uncouplers in mitochondria are considered in the framework of the suggestion that conformational changes of membrane proteins could affect the state of lipids in their vicinity. In particular, changes in local microviscosity and vacuum permittivity could change the ...

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  • The effect of cyanide on the efflux of calcium from squid ...

    2017-7-12 · Asimilar effect was observed when cyanide was applied after extrusion. 8. Replacing external sodium glutamate with potassium glutamate greatly reduced the loss of45Ca fromintact axons poisoned with cyanide buthadlittle effect onthe loss fromextrudedaxoplasm. * USPHS special fellow. Present address: Department of Physiology, Washington

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  • Cyanides in the environment—analysis—problems and

    2017-5-16 · Compounds containing cyanide ions are rapidly acting poison, as they disrupt the process of cellular respiration. The basic effect of cyanide activity involves combining with trivalent iron of cytochrome oxidase, which is a key enzyme of the respiratory chain (Fig. (Fig.7). 7). This combination results in blocking of the intracellular ...

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  • Effect of cyanide on the distribution of 60Co in mice ...

    The effect of cyanide on the distribution of cobalt was studied by injecting mice i.p. with potassium cyanide 61.4 μmoles/kg, followed 1 min later by 60 CoCl 2 38.5 μmoles/kg i.v. Blood and tissue concentrations of 60 Co were then determined up to 48 h after injection and the results were compared with those obtained from control animals receiving 60 CoCl 2 only.

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  • Effect of Cyanide Ligands on the Electronic Structure of ...

    2013-9-13 · Effect of Cyanide Ligands on the Electronic Structure of [FeFe] Hydrogenase Active-Site Model Complexes with an Azadithiolate Cofactor Dr. Özlen F. Erdem , Corresponding Author

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  • Inhibitory effect of cyanide on nitrification process and ...

    2013-10-15 · Inhibition of nitrification by four typical pollutants (acrylonitrile, acrylic acid, acetonitrile and cyanide) in acrylonitrile wastewater was investigated. The inhibitory effect of cyanide on nitrification was strongest, with a 50% inhibitory concentration of 0.218 mg·gVSS-1 being observed in a municipal activated sludge system. However, the performance of

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  • ANALYSIS OF CYANIDE

    2018-4-4 · Cyanide chemistry is complex and matrix interferences can be very hard to identify and alleviate. ... did a study on the effect of sample preservation and storage on the subsequent level of cyanide measured in the samples. This particular study relates ONLY to drinking water.

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  • Mechanism of the effect of cyanide on cell membrane ...

    The effect of cyanide is practically immediate, reversible (if exposure is brief), and long-lasting (greater than 30 min). 2. The hyperpolarization is accompanied by: (a) reduction of the equivalent resistance of the cell membranes, as shown by cable analysis and input resistance measurements, and (b) increase of the potassium selectivity of ...

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  • Effect of Cyanide on the Respiration and the Oxidative ...

    It is suggested that the assimilation of glucose is coupled with the oxidation of glucose by a cyanide-sensitive respiratory system. The mathematical consequences of this theory are considered and shown to agree with the experimental results. The effect of cyanide on the respiratory quotient is also discussed.

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  • Effect of Cyanide on Mitochondrial Membrane

    The causes of the effect of cyanide on the efficiency of protonophoric uncouplers in mitochondria are considered in the framework of the suggestion that conformational changes of membrane proteins could affect the state of lipids in their vicinity. In particular, changes in local microviscosity and vacuum permittivity could change the ...

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  • Histomorphometric studies on the effect of cyanide ...

    OBJECTIVE: To investigate the microscopic effect of maternal cyanide consumption on the developing cerebellum of Wistar rats. MATERIALS AND METHODS: Twenty pregnant female rats weighing between 160 g and 180 g were used in this study. The rats were separated into two groups comprising ten control and ten experimental animals.

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  • Effect of cyanide on the distribution of 60Co in mice ...

    The effect of cyanide on the distribution of cobalt was studied by injecting mice i.p. with potassium cyanide 61.4 μmoles/kg, followed 1 min later by 60 CoCl 2 38.5 μmoles/kg i.v. Blood and tissue concentrations of 60 Co were then determined up to 48 h after injection and the results were compared with those obtained from control animals receiving 60 CoCl 2 only.

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  • Study of the effects of hydrogen cyanide exposure in ...

    2022-1-12 · Hydrogen cyanide is the chemical responsible for tissue hypoxia. Chronic exposure to HCN may cause neurological, respiratory, cardiovascular and thyroid defects. Onset of symptoms depends on dose and duration of exposure. Large scale of Cassava processing could be disastrous due to discharge of hydrocyanic acid into the air.

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  • The chronic effects of cyanide on oxidative stress indices ...

    2019-5-3 · Background This study was conducted in order to elucidate the effects of cyanide (CN−) as sodium cyanide on oxidative parameters in the tissues of birds (Gallus domesticus L.) exposed to CN− directly by gavage and indirectly through their feed. Results Lipid peroxidation (LPO) level and activities of catalase (CAT) and superoxide dismutase (SOD) were

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  • Effect of Cyanide Ligands on the Electronic Structure of ...

    2013-9-13 · Effect of Cyanide Ligands on the Electronic Structure of [FeFe] Hydrogenase Active-Site Model Complexes with an Azadithiolate Cofactor Dr. Özlen F. Erdem , Corresponding Author

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  • Inhibitory effect of cyanide on nitrification process and ...

    2013-10-15 · Inhibition of nitrification by four typical pollutants (acrylonitrile, acrylic acid, acetonitrile and cyanide) in acrylonitrile wastewater was investigated. The inhibitory effect of cyanide on nitrification was strongest, with a 50% inhibitory concentration of 0.218 mg·gVSS-1 being observed in a municipal activated sludge system. However, the performance of

    Chat Online
  • ANALYSIS OF CYANIDE

    2018-4-4 · Cyanide chemistry is complex and matrix interferences can be very hard to identify and alleviate. ... did a study on the effect of sample preservation and storage on the subsequent level of cyanide measured in the samples. This particular study relates ONLY to drinking water.

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