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Electrospray Ionization (ESI) Mass Spectrometry01:12

Electrospray Ionization (ESI) Mass Spectrometry

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Higher molecular weight biomolecules are nonvolatile compounds that may decompose before ionizing or vaporizing during mass analysis with conventional electron impact ionization methods. Accordingly, electrospray ionization (ESI) is the favored method for vaporizing and ionizing biomolecules as it circumvents rapid fragmentation and enables the recording of mass signals for the entire biomolecule.
ESI utilizes electrical energy to transfer ions from the liquid phase of the sample into the...
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Electrolysis03:00

Electrolysis

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In a galvanic cell, the electrical work is done by a redox system on its surroundings as electrons produced by the spontaneous redox reactions are transferred through an external circuit. Alternatively, an external circuit does work on a redox system by imposing a voltage sufficient to drive an otherwise nonspontaneous reaction in a process known as electrolysis. For instance, recharging a battery involves the use of an external power source to drive the spontaneous (discharge) cell reaction in...
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Updated: Dec 24, 2025

Electrospinning Fundamentals: Optimizing Solution and Apparatus Parameters
07:57

Electrospinning Fundamentals: Optimizing Solution and Apparatus Parameters

Published on: January 21, 2011

65.7K

Electrospinning of Essential Oils.

Elisa Mele1

  • 1Materials Department, Loughborough University, Epinal Way, Loughborough LE11 3TU, UK.

Polymers
|April 17, 2020
PubMed
Summary

Essential oils offer natural solutions for health and pest control. Electrospinning technology effectively preserves these oils in nanofibres for controlled release, creating bioactive materials for various applications.

Area of Science:

  • Biomaterials Science
  • Nanotechnology
  • Natural Product Chemistry

Background:

  • Synthetic chemicals pose risks to global health, environment, and food security.
  • Plant-derived essential oils possess valuable antibacterial, antifungal, antioxidant, and insecticidal properties.
  • There is a growing need for sustainable alternatives to synthetic compounds in medicine and agriculture.

Purpose of the Study:

  • To review the application of electrospinning for encapsulating essential oils into polymeric nanofibres.
  • To highlight the controlled release and protective capabilities of electrospun essential oil systems.
  • To explore the potential of these bioactive nanofibres in biomedical, pharmaceutical, and food packaging.

Main Methods:

  • Review of existing literature on electrospinning of essential oils.
Keywords:
electrospinningessential oilsnanofibresphenylpropanoidsterpenoids

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  • Analysis of studies demonstrating essential oil encapsulation within nanofibrous structures.
  • Evaluation of methods for controlled release and stability assessment of encapsulated essential oils.

    • Main Results:

    • Electrospinning is an effective method for preserving the bioactivity of essential oils.
    • Polymeric nanofibres provide a matrix for controlled release of essential oils.
    • Encapsulated essential oils show potential for enhanced efficacy and stability.
    • Electrospun nanofibres maintain the integrity of essential oils against degradation.

    Conclusions:

    • Electrospinning is a promising technique for developing advanced materials from essential oils.
    • Bioactive nanofibres offer sustainable solutions for combating bacterial infections and pests.
    • Applications span across biomedical, pharmaceutical, and food packaging industries.
    • This technology enhances the utility of natural compounds in various sectors.