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Related Concept Videos

Secondary Active Transport01:32

Secondary Active Transport

8.6K
One example of how cells use the energy contained in electrochemical gradients is demonstrated by glucose transport into cells. The ion vital to this process is sodium (Na+), which is typically present in higher concentrations extracellularly than in the cytosol. Such a concentration difference is due, in part, to the action of an enzyme "pump" embedded in the cellular membrane that actively expels Na+ from a cell. Importantly, as this pump contributes to the high concentration of...
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Secondary Active Transport01:55

Secondary Active Transport

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One example of how cells use the energy contained in electrochemical gradients is demonstrated by glucose transport into cells. The ion vital to this process is sodium (Na+), which is typically present in higher concentrations extracellularly than in the cytosol. Such a concentration difference is due, in part, to the action of an enzyme “pump” embedded in the cellular membrane that actively expels Na+ from a cell. Importantly, as this pump contributes to the high concentration of...
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Glucose Absorption Into the Small Intestine01:26

Glucose Absorption Into the Small Intestine

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Complex carbohydrates consumed cannot be absorbed into the small intestine in their original form. First, they must be hydrolyzed to a monosaccharide form such as glucose or galactose. These monosaccharides are then transported across the intestinal membrane and into the blood via transcellular transport. The intestinal epithelial cells allow the movement of these monosaccharides with a defined 'entry' through membrane transporter proteins present on their apical membrane and...
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Glucose Transporters01:27

Glucose Transporters

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Glucose transporters facilitate the transport of glucose across the cell membrane. In addition to glucose, some glucose transporters can also aid the movement of other hexoses such as fructose, mannose, and galactose.
Facilitated diffusion-glucose transporters (GLUTs) are encoded by the solute-linked carrier (SLC) family 2, subfamily A gene family, or SLC2A. The 14 GLUT protein members are distributed into three classes:
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Related Experiment Video

Updated: Nov 1, 2025

Optimized Procedure for Determining the Adsorption of Phosphonates onto Granular Ferric Hydroxide using a Miniaturized Phosphorus Determination Method
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Optimized Procedure for Determining the Adsorption of Phosphonates onto Granular Ferric Hydroxide using a Miniaturized Phosphorus Determination Method

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A novel glucose-based highly selective phosphate adsorbent.

Hongxu Liang1, Hongwei Zhang1, Qiang Wang1

  • 1College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, China.

The Science of the Total Environment
|June 22, 2021
PubMed
Summary

A novel glucose-based microporous carbon material (MCM) efficiently removes phosphate from industrial wastewater. This highly selective and reusable adsorbent offers a sustainable solution to water eutrophication.

Keywords:
AdsorptionGlucoseHigh efficiencyMicroporous carbon materialPhosphate

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Area of Science:

  • Environmental Chemistry
  • Materials Science
  • Water Treatment

Background:

  • Industrial wastewater discharge causes significant water body eutrophication.
  • Existing phosphate adsorbents lack selectivity and reusability, necessitating new material development.

Purpose of the Study:

  • To synthesize and characterize a novel, highly selective, and reusable microporous carbon material (MCM) for efficient phosphate removal.
  • To investigate the adsorption mechanisms and performance of MCM in various water matrices.

Main Methods:

  • Hydrothermal and activation synthesis of glucose-based MCM.
  • Characterization using SEM, XPS, BET, and elemental analysis.
  • Batch adsorption experiments, kinetic and isotherm modeling, and ion competition studies.

Main Results:

  • MCM demonstrated high phosphate adsorption capacity across a wide pH range (1.5-10).
  • Adsorption followed Langmuir and pseudo-second-order models, indicating endothermic physical and chemical processes.
  • High selectivity for phosphate was confirmed, with removal rates exceeding 99.98% in various water types.
  • MCM maintained high reusability over 20 regeneration cycles.

Conclusions:

  • The synthesized glucose-based MCM is an effective and highly selective adsorbent for phosphate removal.
  • The material's reusability and efficiency offer a promising solution for mitigating water eutrophication.
  • This study expands the application of glucose-based carbon materials in water treatment.