Related Experiment Video
Updated: May 7, 2026

07:59
Molecular Entanglement and Electrospinnability of Biopolymers
Published on: September 3, 2014
14.7K
A review on chitin dissolution as preparation for electrospinning application.
Nurul Alia Nabilah Dzolkifle1, Wan Mohd Fazli Wan Nawawi1
1Department of Chemical Engineering and Sustainability, International Islamic University Malaysia, P.O. Box 10, 50728 Kuala Lumpur, Malaysia.
International Journal of Biological Macromolecules
|March 15, 2024
Summary
Electrospinning is a key method for creating chitin nanofibers, but chitin
Area of Science:
- Materials Science and Engineering
- Biotechnology
- Nanotechnology
Background:
- Electrospinning efficiently produces nanofibers from polymers like polyvinyl alcohol (PVA) and cellulose acetate (CA).
- Chitin, a biopolymer from crustaceans and fungi, offers biodegradability, non-toxicity, and biocompatibility, making it valuable for applications like wound dressings and drug delivery.
- Chitin's high crystallinity limits its solubility in common solvents, posing challenges for nanofiber fabrication.
Purpose of the Study:
- To review solvent systems for dissolving chitin for electrospinning.
- To explore the impact of processing parameters on electrospun chitin nanofibers.
- To present current applications of electrospun chitin nanofibers.
Main Methods:
- Review of literature on chitin dissolution techniques for electrospinning.
- Analysis of various solvent systems and their effectiveness in preparing chitin solutions.
- Discussion of processing parameters influencing nanofiber morphology and properties.
Main Results:
- Specific solvent systems are crucial for overcoming chitin's insolubility and achieving fine, smooth electrospun nanofibers.
- Processing parameters significantly affect the quality and characteristics of the resulting chitin nanofibers.
- Electrospun chitin nanofibers demonstrate potential in diverse fields due to their unique properties.
Conclusions:
- Effective dissolution of chitin is essential for successful electrospinning.
- Optimizing solvent systems and processing parameters enhances the utility of electrospun chitin nanofibers.
- Further research into applications of these advanced biomaterials is warranted.
Related Concept Videos
Washing, Drying, and Ignition of Precipitates
5.8K
After filtration, the precipitate is washed to remove coprecipitated impurities and any remaining mother liquor. Colloidal precipitates, such as silver chloride, are washed with an electrolyte (such as dilute nitric acid) to prevent the peptization of the precipitate. In the case of slightly soluble precipitates, the wash solution contains a common ion to reduce solubility. Lead sulfate, which is slightly soluble in water, is washed with dilute sulfuric acid. Similarly, wash solutions may be...
5.8K
Precipitation and Co-precipitation
4.9K
Precipitation and coprecipitation methods can be used to separate a mixture of ions in a solution. In qualitative inorganic analysis, ions that form sparingly soluble precipitates with the same reagent are separated based on the differences in solubility products. For example, consider the separation of Cu(II) and Fe(II) ions by precipitation as insoluble sulfides. First, copper(II) sulfide is precipitated by the addition of acidic H2S, where the dissociation of H2S is suppressed. Adding H2S...
4.9K
Sample Preparation for Analysis: Advanced Techniques
1.9K
Accurate analysis of complex samples often requires advanced preparation techniques to achieve reliable and reproducible results. Samples containing inorganic or organic materials can be challenging to dissolve or decompose effectively. Standard sample preparation methods include acid digestion, fusion, dry ashing, and wet digestion.
Acid digestion with strong acids is commonly used to dissolve inorganic materials that are insoluble (do not dissolve) in water. This method can be useful for...
Acid digestion with strong acids is commonly used to dissolve inorganic materials that are insoluble (do not dissolve) in water. This method can be useful for...
1.9K
Ion-Exchange Chromatography
3.0K
Ion-exchange chromatography, or IEC, is a technique for separating ions based on their affinity for the stationary phase. The stationary phase is a cross-linked polymer resin with covalently attached ionic functional groups. The functional groups can be either positively charged (cation exchangers) or negatively charged (anion exchangers). A cation exchanger consists of a polymeric anion and active cations, while an anion exchanger is a polymeric cation with active anions. The choice of...
3.0K
Capillary Electrophoresis: Applications
1.9K
Capillary electrophoretic separations offer various modes, each with unique applications. These modes include capillary zone electrophoresis, capillary gel electrophoresis, capillary array electrophoresis, capillary isoelectric focusing, capillary isotachophoresis, micellar electrokinetic chromatography, and capillary electrochromatography.
Capillary zone electrophoresis (CZE) separates ionic components based on their electrophoretic mobility. It has been used to separate proteins, amino acids,...
Capillary zone electrophoresis (CZE) separates ionic components based on their electrophoretic mobility. It has been used to separate proteins, amino acids,...
1.9K
Applications of EMF Measurements
122
Electromotive force (EMF) measurements have a broad range of applications in various fields, including chemistry and physics. The electrochemical series, an arrangement of elements in order of their standard electrode potentials, can be determined through EMF measurements. Elements with lower standard potentials can reduce ions of elements with higher standard potentials.The standard cell potential, E°, allows for the calculation of the standard reaction Gibbs energy, ΔG°, and...
122

