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Related Concept Videos

Guidelines for Writing Outcome01:11

Guidelines for Writing Outcome

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When developing expected outcomes for a patient care plan, the nurse should adhere to the following recommendations:
Patient outcomes reflect the patient's response to the goal rather than what the nurse aims to achieve. Terminology should be observable and measurable to avoid the reader's interpretation. The desired outcome should be realistic and achievable in the designated care timeframe. Expected outcomes should align with adjunctive therapies. The outcome should enhance care...
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SN1 Reaction: Stereochemistry02:15

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This lesson provides an in-depth discussion of the stereochemical outcomes in an SN1 reaction.
In the first step of an SN1 reaction, the bond between the electrophilic carbon and the leaving group ionizes to generate the carbocation intermediate. The second step of the mechanism is the nucleophilic attack.
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SN1 Reaction: Kinetics02:05

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In an SN2 reaction, the reaction rate depends on both the type of nucleophile and the substrate. A hindered tertiary alkyl halide is practically inert to the SN2 mechanism despite using a strong nucleophile.
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SN1 Reaction: Mechanism02:25

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Kinetic studies of ionization of a tertiary halide in a protic solvent suggest that only the substrate participates in the rate-determining step (slow step). The nucleophile is involved only after the slowest step. The SN1 reaction takes place in a multiple-step mechanism. 
Firstly, the haloalkane ionizes to generate a carbocation intermediate and a halide ion. This heterolytic cleavage is highly endothermic with large activation energy. The ionization of the substrate, facilitated by a...
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The acidic strength of hydrocarbons follows the order: Alkynes > Alkenes > Alkanes. The strength of an acid is commonly expressed in units of pKa — the lower the pKa, the stronger the acid. Among the hydrocarbons, terminal alkynes have lower pKa values and are, therefore, more acidic. For example, the pKa values for ethane, ethene, and acetylene are 51, 44, and 25, respectively, as shown here.
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Nucleophilic substitution reactions of alkyl halides can proceed via an SN1 or an SN2 mechanism. While in SN2 reactions, the nucleophile attacks the substrate simultaneously as the leaving group departs, in SN1 reactions, the substrate first dissociates to give the carbocation intermediate. Various factors such as the structure of the substrate, the strength of the nucleophile, and the nature of the solvent promote one mechanism over the other.
With increased substitution on the alkyl halide,...
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Writing a grant proposal--part 1: research methods.

Sandra Engberg1, Donna Z Bliss

  • 1University of Pittsburgh School of Nursing, PA 15261, USA. sje1@pitt.edu

Journal of Wound, Ostomy, and Continence Nursing : Official Publication of the Wound, Ostomy and Continence Nurses Society
|June 3, 2005
PubMed
Summary
This summary is machine-generated.

Learn how to write a strong methods section for your research grant proposal. This guide covers conceptual framework, research design, and variable measurement for successful grantsmanship.

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Area of Science:

  • Research methodology
  • Grant writing
  • Scientific communication

Background:

  • The methods section is crucial for grant proposals.
  • Effective methods sections enhance proposal success.
  • This article is part of a series on successful grantsmanship.

Purpose of the Study:

  • To provide guidance on writing the methods section of a research proposal.
  • To highlight key components: conceptual framework, research design, and variable measurement.
  • To support researchers in developing fundable grant applications.

Main Methods:

  • Review of best practices in research proposal writing.
  • Focus on the structure and content of the methods section.
  • Explanation of essential elements for clarity and rigor.

Main Results:

  • Key aspects of the methods section are detailed.
  • Guidance is provided on defining conceptual framework, research design, and study variables.
  • Emphasis on clear and precise measurement strategies.

Conclusions:

  • A well-written methods section is vital for grant funding.
  • Understanding these components improves proposal quality.
  • This article serves as a practical resource for researchers.