Abstract

Evaluation of Urea Adsorption by Various Nanoporous Biomaterials

Highlights

  • Wearable artificial kidney (WAK) typically employs activated carbon, urease and zirconium for the adsorption, decomposition and removal of urea and other uremic toxins from spent dialysate [1]

  • This paper evaluates the urea adsorption capacity of nanoporous materials activated carbon, activated carbon fiber and surface functionalized mesoporous silica

  • This paper evaluates the urea adsorption capacity of two emerging nanoporous materials, i.e. mesoporous silica (MS) and activated carbon fiber (ACF)

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Summary

Introduction

Wearable artificial kidney (WAK) typically employs activated carbon, urease and zirconium for the adsorption, decomposition and removal of urea and other uremic toxins from spent dialysate [1]. Adsorbents such as activated carbon is crucial for the regeneration of spent dialysate. The possible liberation of gases in the dialysate is a serious problem in the closed system dialysate. To mitigate such problem, nanoporous materials with strong affinity towards urea could be applied as urea adsorbents. This paper evaluates the urea adsorption capacity of two emerging nanoporous materials, i.e. mesoporous silica (MS) and activated carbon fiber (ACF)

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