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Related Concept Videos

Preparation of Epoxides03:00

Preparation of Epoxides

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Overview
Epoxides result from alkene oxidation, which can be achieved by a) air, b) peroxy acids, c) hypochlorous acids, and d) halohydrin cyclization.
Epoxidation with Peroxy Acids
Epoxidation of alkenes via oxidation with peroxy acids involves the conversion of a carbon–carbon double bond to an epoxide using the oxidizing agent meta-chloroperoxybenzoic acid, commonly known as MCPBA. Since the O–O bond of peroxy acids is very weak, the addition of electrophilic oxygen of peroxy acids to...
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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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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.
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One of the methods for preparing symmetrical or unsymmetrical acid anhydrides involves the treatment of acid chlorides with the sodium salt of carboxylic acids. The reaction proceeds via a nucleophilic acyl substitution.
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There are various methods for the preparation of carboxylic acids. For example, oxidation of primary alcohols or aldehydes using strong oxidizing agents results in a carboxylic acid.  Aldehydes can also be oxidized in the presence of mild oxidizing agents.
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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.
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Preparing for congress.

Paddy Healy1

  • 1For the Forum for Nurses working with Older People.

Nursing Older People
|October 6, 2016
PubMed
Summary

The Royal College of Nursing (RCN) Congress 2002 will feature an educational event focusing on the crucial role of nurses in patient assessment. This event is a collaboration with the RCN Gerontological Nursing Programme.

Area of Science:

  • Nursing
  • Healthcare Education

Background:

  • The Royal College of Nursing (RCN) is preparing for its annual Congress.
  • Forums are actively involved in organizing this year's event.

Purpose of the Study:

  • To highlight the educational event at the RCN Congress 2002.
  • To inform attendees about the nurse's role in patient assessment.
  • To announce a collaboration with the RCN Gerontological Nursing Programme.

Main Methods:

  • Forums are preparing for the RCN Congress 2002.
  • An educational event is being organized.
  • Collaboration with the RCN Gerontological Nursing Programme is established.

Main Results:

  • An educational event on the nurse's role in assessment will be a key feature.

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  • The event will be held in collaboration with the RCN Gerontological Nursing Programme.

    • Conclusions:

    • The RCN Congress 2002 will provide valuable educational content on nursing assessment.
    • Attendees can expect insights into the nurse's role in gerontological care through the collaborative program.