A study of transport phenomenon of urea and its sulphur analogue across a naturally hydrophilic membrane

Anjali An; Meena Sharma

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A study of transport phenomenon of urea and its sulphur analogue across a naturally hydrophilic membrane

机译：尿素及其硫类似物在天然亲水膜上的迁移现象研究

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Studies of the hydrodynamic flow of aqueous solutions of urea and its sulphur analogue i.e., thiourea through a naturally hydrophilic membrane like NylonTM Biobond membrane are described in terms of hydrodynamic permeability values. The permeability values are interpreted in terms of a pseudo-activation process. The enthalpy of activation (DH*), entropy of activation (DS*), Free energy of activation (DG*) have been estimated from Eyring’s rate equation. The negative values of ΔS* suggests that the flow of solutions through the membranes is more ordered which may be attributed to the greater membrane-solution interaction.

机译：关于尿素及其硫类似物（即硫脲）通过诸如NylonTM Biobond膜之类的天然亲水膜的水动力流动的研究，是根据水动力渗透率值进行的。渗透率值根据伪激活过程来解释。活化焓（DH *），活化熵（DS *），活化自由能（DG *）已根据Eyring速率方程进行了估算。 ΔS*的负值表明溶液通过膜的流动更加有序，这可能归因于更大的膜-溶液相互作用。

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《Der Pharma Chemica: journal for medicinal chemistry, pharmaceutical chemistry and computational chemistry》 |2014年第4期|共5页
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Anjali An; Meena Sharma;
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A study of transport phenomenon of urea and its sulphur analogue across a naturally hydrophilic membrane

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