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Related Concept Videos

Biosynthesis of Polysaccharides01:26

Biosynthesis of Polysaccharides

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Polysaccharides such as glycogen and starch are synthesized from nucleoside diphosphate sugars, primarily uridine diphosphate glucose (UDPG) and adenosine diphosphate glucose (ADPG). These activated glucose donors act as key intermediates in carbohydrate metabolism and biosynthesis. UDPG primarily involves glycogen synthesis in animals and many bacteria, while ADPG plays a fundamental role in starch synthesis in plants and certain bacteria.UDPG is formed when glucose-1-phosphate reacts with...
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 Every plant cell has a cell wall that protects the cell, provides structural support, and gives the cell shape. Cellulose, the main structural component of the plant cell wall, makes up over 30% of plant matter. It is the most abundant organic compound on earth.  Cellulose is an unbranched polysaccharide composed of linear chains of glucose molecules linked by β (1→4) glycosidic bonds.
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Overview
Dehydration synthesis (also called a condensation reaction) is the chemical process in which two molecules covalently link together to form a new molecule, along with the release of a water molecule. Many physiologically important compounds form by dehydration synthesis reactions, such as complex carbohydrates, proteins, DNA, and RNA.
Synthesis of carbohydrates
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Synthesis and decomposition are two types of redox reactions. Synthesis means to make something, whereas decomposition means to break something. The reactions are accompanied by chemical and energy changes. 
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During replication, the complementary strands in double-stranded DNA are synthesized at different rates. Replication first begins on the leading strand. Replication starts later, occurs more slowly, and proceeds discontinuously on the lagging strand.
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The characteristics that enable us to distinguish one substance from another are called properties.
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Fragmenting Bulk Hydrogels and Processing into Granular Hydrogels for Biomedical Applications
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Recent developments in all-polysaccharide hydrogels: Synthesis, properties, and biomedical applications.

Chisom Friday1, Kevin Edgar2

  • 1Department of Chemistry, Virginia Tech, Blacksburg, VA, 24061, United States.

Carbohydrate Polymers
|January 29, 2026
PubMed
Summary

All-polysaccharide hydrogels are promising biomaterials due to their safety and tunable properties. This review explores their fabrication, characteristics, and biomedical applications for advanced material development.

Keywords:
All-polysaccharide hydrogelsBiomedical applicationsCrosslinking chemistryInjectable systemStimulus-responsive

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Area of Science:

  • Biomaterials Science
  • Polymer Chemistry
  • Biomedical Engineering

Background:

  • All-polysaccharide hydrogels offer biocompatibility, low toxicity, and biodegradability.
  • They possess advantageous properties like injectability, self-healing, and stimuli-responsiveness.
  • Functionalization enables diverse crosslinking strategies for tailored hydrogel fabrication.

Purpose of the Study:

  • To review recent advancements in all-polysaccharide hydrogel development.
  • To discuss various crosslinking methods and property tuning techniques.
  • To summarize biomedical applications and future perspectives.

Main Methods:

  • Exploration of physical and covalent crosslinking strategies for polysaccharide hydrogels.
  • Analysis of methods for tuning hydrogel properties (mechanical, stimuli-responsive).
  • Review of literature on functionalization of polysaccharides.

Main Results:

  • Successful fabrication of all-polysaccharide hydrogels with desirable biomedical properties.
  • Demonstration of tunable mechanical and responsive characteristics.
  • Identification of diverse biomedical applications.

Conclusions:

  • All-polysaccharide hydrogels represent a versatile platform for advanced biomaterials.
  • Continued research in crosslinking and functionalization will expand their utility.
  • These hydrogels hold significant potential for future biomedical innovations.