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Related Concept Videos

Sample Preparation for Analysis: Overview01:21

Sample Preparation for Analysis: Overview

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Sample preparation is an essential step in the analytical process. It involves preparing a sample so that it can be analyzed accurately. The goal is to extract the analyte, the substance you want to measure, from the sample while removing any components that may interfere with the analysis. Sample preparation techniques vary depending on the physical state of the sample.
Bulk or large solid samples are typically reduced in size using grinding, crushing, or milling techniques to increase the...
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To be visualized by an electron microscope, either transmission or scanning, biological samples need to be fixed (stabilized) so the electron beam does not destroy them and dried thoroughly (desiccated/dehydrated) so the vacuum does not affect them. Fixation needs to be done as quickly as possible because the sample properties will start changing as soon as it is removed from its natural environment. For example, in a tissue sample, the oxygen levels begin decreasing, causing an altered...
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Sampling Methods: Sample Types01:18

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Sampling materials are classified into three main types: solid, liquid, and gas.
Solid samples include a variety of substances, such as sediments from water bodies, soil, metals, and biological tissues. Two standard methods for extracting sediments from water bodies are grab sampling and piston coring. Grab sampling involves using a device to collect a discrete sediment sample from the bottom of a water body with minimal disturbance. Grab samples do not always represent the entire area due to...
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Analytical sample preparation by electrospun solid phase microextraction sorbents.

Dilshad Hussain1, Sayed Tayyeb Raza Naqvi2, Muhammad Naeem Ashiq2

  • 1Division of Analytical Chemistry, Institute of Chemical Sciences, Bahauddin Zakariya University, Multan, (60800), Pakistan; HEJ Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, Pakistan.

Talanta
|December 11, 2019
PubMed
Summary
This summary is machine-generated.

Electrospun fibers offer efficient microextraction for diverse analyses. This technology enhances analytical performance in environmental, food, and drug monitoring applications.

Keywords:
DrugsElectrospun fibresMetabolitesMicroextractionProteinsSorbents

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Area of Science:

  • Analytical Chemistry
  • Materials Science

Background:

  • Microextraction techniques are gaining prominence in sample preparation for their efficiency and reduced consumption.
  • Traditional sorbents have limitations, driving the need for advanced materials.

Purpose of the Study:

  • To review the applications of electrospun fibers as microextraction sorbents.
  • To highlight the advantages and contributing factors of electrospun fibers in separation science.

Main Methods:

  • Fabrication of nanofibers using electrospinning technology.
  • Utilization of electrospun fibers as solid-phase microextraction sorbents.

Main Results:

  • Electrospun fibers provide high surface area and stability, improving microextraction efficiency.
  • Applications demonstrated in environmental, food, protein, metabolite, and drug analysis.

Conclusions:

  • Electrospinning is a versatile technology for creating advanced microextraction sorbents.
  • Electrospun fibers enhance analytical performance, offering selectivity and versatility in various fields.