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Related Concept Videos

High-Performance Liquid Chromatography: Introduction01:11

High-Performance Liquid Chromatography: Introduction

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High-performance liquid chromatography(HPLC), formerly referred to as High-pressure liquid chromatography, is a powerful technique used to separate, identify, and quantify components in complex mixtures. The term "high pressure" refers to using high pressure to push the liquid mobile phase through the tightly packed columns.
In HPLC, two phases play a critical role in the separation process:
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Size-Exclusion Chromatography01:08

Size-Exclusion Chromatography

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In size-exclusion chromatography (SEC), also known as molecular-exclusion or gel-permeation chromatography, molecules are separated based on their sizes. This technique is important for separating large molecules such as polymers and biomolecules. The two classes of micron-sized stationary phases encountered in SEC are silica particles and cross-linked polymer resin beads. Both materials are porous, but their pore sizes vary significantly.
Silica particles offer advantages such as rigidity,...
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Chromatography: Introduction01:10

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Chromatography is a technique used to separate compounds based on differences of partitioning between two phases, the stationary phase and the mobile phase.
The phase in which the compounds linger or on which the compounds adsorb is called the stationary phase, whereas the mobile phase is the solvent that carries the solutes to be analyzed. In traditional column chromatography, the mixture flows through the stationary phase, and the compounds partition between the stationary and mobile phases...
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Detergent Purification of Membrane Proteins01:18

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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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Chirality in Nature02:30

Chirality in Nature

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Chirality is the most intriguing yet essential facet of nature, governing life’s biochemical processes and precision. It can be observed from a snail shell pattern in a macroscopic world to an amino acid, the minutest building block of life. Most of the snails around the world have right-coiled shells because of the intrinsic chirality in their genes. All the amino acids present in the human body exist in an enantiomerically pure state, except for glycine - the sole achiral amino acid.
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Chromatographic Methods: Classification01:12

Chromatographic Methods: Classification

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Chromatographic techniques are classified in three ways: the classification is based on the physical state of the stationary and mobile phases, how the mobile phase and the stationary phase contact each other, or through the chemical or physical processes that isolate the components of the sample. Typically, the mobile phase is either a liquid or gas, while the stationary phase is either a solid or a liquid layer applied to a solid surface.
Chromatographic techniques are typically named by...
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Related Experiment Video

Updated: Jun 1, 2025

Biomembrane Fabrication by the Solvent-assisted Lipid Bilayer SALB Method
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Recent developments and applications of solid membrane in chiral separation.

Li Ge1, Xinyu Li1, Gege Zhu1

  • 1Shanghai Engineering Research Center of Organ Repair, Joint International Research Laboratory of Biomaterials and Biotechnology in Organ Repair (Ministry of Education), School of Medicine, Shanghai University, Shanghai 200444, China.

Journal of Chromatography. A
|January 19, 2025
PubMed
Summary
This summary is machine-generated.

Chiral solid membranes offer efficient separation of optically active compounds crucial for health and life sciences. This review details their materials and drug separation applications, highlighting future development potential.

Keywords:
Chiral separationChiral solid membranesEnantiomeric selectivityRacematesTechnology

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Area of Science:

  • Chemistry
  • Materials Science
  • Biotechnology

Background:

  • Chirality is fundamental to life and health, making optically active compound preparation essential.
  • Membrane separation is a rapidly advancing, large-scale technique with significant potential.
  • Chiral membrane separation is a key area of research, with solid membranes showing superior performance.

Purpose of the Study:

  • To review chiral solid membranes, focusing on materials and applications in drug separation.
  • To provide insights into the future development of chiral solid membrane technology.

Main Methods:

  • Review of existing literature on chiral solid membranes.
  • Categorization of chiral membranes into solid and liquid types.
  • Analysis of material properties and separation efficiencies.

Main Results:

  • Chiral solid membranes exhibit better mechanical performance and separation efficiency than liquid membranes.
  • Various materials are utilized for chiral solid membranes, with diverse applications in drug separation.
  • The review consolidates current knowledge on chiral solid membrane technology.

Conclusions:

  • Chiral solid membranes are a promising technology for separating optically active compounds.
  • Further development is expected to enhance their application in pharmaceuticals and beyond.
  • Continued research is vital for advancing chiral separation technologies.