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Alcohol continued ability

At infinite dilution, 1-pentanol monomers distribute between AOT-reversed micelles and the continuous organic phase, whereas at finite alcohol concentration, given the ability of alcohol to self-assemble in the apolar organic solvent, a coexistence between reversed micelles (solubilizing 1-pentanol) and alcoholic aggregates (incorporating AOT molecules) is realized [25],... [Pg.476]

A relevant characteristic of the technology should be the ability to remove the water selectively and continuously in order to shift the chemical equilibrium to full conversion. Because the presence of a liquid water phase will lead to rapid deactivation of the solid catalyst, operating conditions for water-free organic liquid should be found. In addition, the thermodynamic behavior of the reaction mixture is nonideal, particularly with respect to the couple alcohol-water. [Pg.232]

Thiamin deficiency in alcoholics may be caused by decreased intake, reduced absorption, and impaired ability to use ihe absorbed vitamin. The ataxia and ocular symptoms associated with the deficiency in alcoholics are known as Wernicke s disease. Vitamin therapy can provide relief from nystagmus within a few hours of treatment and from ataxia within several weeks. The treatment of alcoholics also involves the supply of other nutrients lacking in the diet, such as folate, vitamin B12, and protein. Left imtreated, patients suffering from Wernicke s disease continue to develop Korsakoff s psychosis, which involves amnesia and confusion. Only about 25% of patients with Korsakoff s psychosis can be completely cured by thiamin treatment, which must be continued for a few weeks or months. The two conditions just described constitute the Wemicke-Korsakoff syndrome. The S5mdrome was named after two researchers. Karl Wernicke, a German, noted impaired or paralyzed eye movements and imstable walking and disorientation in his patients, most of whom were alcoholics. Polyneuropathy, a weakness of the hands, calves, and feet, was also noted. Sergei Korsakoff, a Russian, observed amnesia and confusion and an inability to learn new names or tasks in alcoholic patients. [Pg.606]

For microemulsion system (hexanol system), since it contains water spheres in a continuous oil medium, the addition of water forms more spherical droplets. The continuous medium is still an oil phase and therefore, the electrical resistance is maintained at a high value in the range of lO-- ohms (70). However, for cosolubilized system (pentanol system), as the amount of water is increased, the average distance between alcohol molecules as well as between water molecules would change and this consequently would influence the hydrogen bonding ability of water and alcohol molecules, which in turn would influence the chemical shift of the resonance peak. Moreover, as one adds more and more water in cosolubilized system, it becomes more electrically conducting and, hence exhibits a continuous decrease in the electrical resistance (70). [Pg.17]

A relatively nonpolar molecule, acetylsalicylic acid has the ability to penetrate membrane barriers that are also made up of nonpolar molecules. However, inside the membrane are many small water pockets, and when an acetylsalicylic acid molecule enters such a pocket, it ionizes into and acetylsalicylate ions. These ionic species become trapped in the interior regions of the membrane. The continued buildup of ions in this fashion weakens the structure of the membrane and eventually causes bleeding. Approximately 2 ml of blood are usually lost for every aspirin tablet taken, an amount not generally considered harmful. However, the action of aspirin can result in severe bleeding in some individuals. It is interesting to note that the presence of alcohol makes acetylsalicylic acid even more soluble in the membrane, and so further promotes the bleeding. [Pg.634]

Finally, the teams of Reetz and Leitner operated a reaction using 2-phenylethanol and vinyl dodecanoate continuously in a reactor consisting of two consecutive autoclaves containing the enzyme-IL suspension, to ensure high conversion, and two decompression chambers with a liquid recycling system and the ability to add further CO2 independently [69], The process was performed at 50 °C and 2 MPa with a mixed substrate flow rate (33% alcohol) of 0.6 cm min". The CO2 stream leaving the reactor was decompressed to 1.3 MPa at 50 °C in a first chamber, where extra CO2 was added to help remove the alcohol into the second chamber (100 °C,... [Pg.711]

It seems probable that, as in rate, continuous heavy drinking stimulates the hepatic enzymes concerned with the metabolism of warfarin, leading to its more rapid elimination. As a result the half-life shortens. The fluctuations in prothrombin times in those with liver impairment may possibly occur because sudden large amounts of alcohol exacerbate the general dysfunction of the liver and this affects the way it metabolises warfarin. Alcohol may also change the ability of the liver to synthesise clotting factors. Constituents of beer other than alcohol may affect warfarin metabolism. ... [Pg.361]


See other pages where Alcohol continued ability is mentioned: [Pg.392]    [Pg.87]    [Pg.217]    [Pg.165]    [Pg.499]    [Pg.232]    [Pg.125]    [Pg.284]    [Pg.515]    [Pg.109]    [Pg.105]    [Pg.50]    [Pg.133]    [Pg.170]    [Pg.711]    [Pg.930]    [Pg.270]    [Pg.1680]    [Pg.371]    [Pg.232]    [Pg.471]    [Pg.537]    [Pg.546]    [Pg.295]    [Pg.306]    [Pg.134]    [Pg.522]    [Pg.335]    [Pg.563]    [Pg.17]    [Pg.165]    [Pg.395]    [Pg.4193]    [Pg.205]    [Pg.606]    [Pg.347]    [Pg.783]    [Pg.109]    [Pg.60]    [Pg.956]    [Pg.221]    [Pg.435]    [Pg.1257]   
See also in sourсe #XX -- [ Pg.138 , Pg.142 ]




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Alcohol continued

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