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Related Concept Videos

Dialysis01:15

Dialysis

672
Dialysis is a diffusion-based purification process that separates analyte molecules from a complex matrix. This is accomplished by allowing molecules in the solution to pass through a semipermeable membrane into a liquid on the other side. The membrane is usually made of cellulose acetate or cellulose nitrate, and the second liquid must be miscible with the solution. Ions (e.g., chloride or sodium) or organic molecules (e.g., glucose) can pass through the membrane pores, which generally have...
672
Detergent Purification of Membrane Proteins01:18

Detergent Purification of Membrane Proteins

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Detergents are used to purify the integral proteins of the membrane. The hydrophobic portion of the detergent can replace membrane phospholipids while solubilizing the membrane proteins. When detergent monomers reach a specific concentration in a solution called critical micelle concentration (CMC), they form micelles. Above CMC, the concentration of the detergent monomers remains in equilibrium with the micelle. The number of detergent monomers present in the CMC varies for each detergent, and...
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Overview Of Cell Separation And Isolation01:20

Overview Of Cell Separation And Isolation

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Cell separation was first achieved in 1964 by S. H. Seal, who separated large tumor cells from the smaller blood cells using filtration. Two years later, Pohl and Hawk performed experiments on how cells respond differently to a nonuniform electric field based on the cell type. Such observations were the inception of cell separation methods, which allow isolating a single cell type from a heterogeneous sample.
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Updated: Jul 2, 2025

Proof-of-Concept for Gas-Entrapping Membranes Derived from Water-Loving SiO2/Si/SiO2 Wafers for Green Desalination
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Advances in Membrane Separation for Biomaterial Dewatering.

Esli Diepenbroek1, Sarthak Mehta2, Zandrie Borneman2

  • 1Department of Molecules & Materials, MESA+ Institute, University of Twente, 7500 AE Enschede, The Netherlands.

Langmuir : the ACS Journal of Surfaces and Colloids
|February 22, 2024
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Summary

Dewatering biomaterials using membrane separation is a sustainable alternative to traditional methods. Advances in electric-field-assisted dewatering and hydrogel surface functionalization improve membrane performance and reduce fouling.

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Area of Science:

  • Materials Science
  • Chemical Engineering
  • Biotechnology

Background:

  • Biomaterials typically contain high water content (50-98%).
  • The shift towards a biobased economy necessitates efficient biomaterial drying.
  • Conventional drying methods are thermodynamically inefficient.

Purpose of the Study:

  • To provide a comprehensive overview of membrane dewatering for biomaterials.
  • To highlight recent advances and design requirements for membrane separation of biomaterials.
  • To address challenges of membrane fouling and suboptimal performance in biomaterial dewatering.

Main Methods:

  • Review of current literature on biomaterial dewatering using membranes.
  • Focus on electric-field-assisted dewatering strategies.
  • Analysis of surface functionalization techniques, particularly hydrogels.

Main Results:

  • Membrane separation offers a sustainable and efficient alternative to traditional drying.
  • Electric-field-assisted dewatering and hydrogel surface functionalization show promise in overcoming fouling.
  • Recent developments enhance permeate flux and selectivity in biomaterial dewatering.

Conclusions:

  • Emerging strategies like electric-field-assisted dewatering and hydrogel functionalization provide viable solutions for biomaterial dewatering.
  • Continued research is needed to address remaining challenges and explore future research directions.