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Related Concept Videos

Magnetism01:30

Magnetism

Magnets are commonly found in everyday objects, such as toys, hangers, elevators, doorbells, and computer devices. Experimentation on these magnets shows that all magnets have two poles: one is labeled north (N) and the other south (S). Magnetic poles repel if they are alike and attract if unlike. Moreover, both poles of a magnet attract unmagnetized pieces of iron.
An individual magnetic pole cannot be isolated. No matter how small, every piece of a magnet contains a north pole and a south...
Other Unique Bacteria01:18

Other Unique Bacteria

Magnetic bacteria exhibit a directed movement called magnetotaxis, driven by structures called magnetosomes. These magnetosomes consist of chains of magnetic particles made of either magnetite (Fe₃O₄) or greigite (Fe₃S₄) and are organized in a linear conformation by a protein scaffold within invaginations of the cell membrane. The bacteria align along the north–south magnetic field lines, much like a compass needle. They are typically microaerophilic or anaerobic and are commonly found near the...
Diamagnetism01:26

Diamagnetism

Materials consisting of paired electrons have zero net magnetic moments. However, when these materials are placed under an external magnetic field, the moments opposite to the field are induced. Such materials are called diamagnets. Diamagnetism is the response of the diamagnets when placed in an external magnetic field.
Diamagnetism was discovered by Anton Brugmans in 1778 when he observed that bismuth gets repelled by magnetic fields, thus theorizing that diamagnets get repelled by magnets.
Magnetic Resonance Imaging01:24

Magnetic Resonance Imaging

Magnetic resonance imaging (MRI) is a noninvasive medical imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals. In 1970, a physician and researcher named Raymond Damadian noticed that malignant (cancerous) tissue gave off different signals than normal body tissue. He applied for a patent for the first MRI scanning device in clinical use by the early 1980s. The early MRI...
Paramagnetism01:30

Paramagnetism

Paramagnets are materials with unpaired electrons that possess a finite magnetic moment. In the absence of a magnetic field, these moments are randomly oriented, and thus the net moment is zero. Under an external field, a torque acting on the moments tends to align them along the field's direction. However, the random thermal motion of electrons produces a torque opposite to the external field and tries to disorient the moments. These two competing effects align only a few moments along the...
Magnetic Susceptibility and Permeability01:31

Magnetic Susceptibility and Permeability

In linear magnetic materials, like paramagnets and diamagnets, magnetization is proportional to the magnetic field intensity. The constant of proportionality, a dimensionless number, is called magnetic susceptibility. The value of the susceptibility depends on the type of material.
When diamagnetic materials are placed under an external magnetic field, the moments opposite to the field are induced. Hence, the susceptibility for diamagnets has a minimal negative value of 10-5–10-6. Since...

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Frequency Mixing Magnetic Detection Scanner for Imaging Magnetic Particles in Planar Samples
07:01

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Published on: June 9, 2016

Magnet recognition program: the next generation.

Gail Wolf1, Pamela Triolo, Patricia Reid Ponte

  • 1Nursing Leadership Program, School of Nursing, University of Pittsburgh, Pittsburgh, PA 15261, USA. wolfg@pitt.edu

The Journal of Nursing Administration
|April 12, 2008
PubMed
Summary
This summary is machine-generated.

The Magnet Recognition Program, a hallmark of nursing excellence for 25 years, is evolving. This study forecasts its future direction using multivariate analysis to predict changes in nursing practice and patient care.

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Area of Science:

  • Nursing
  • Healthcare Administration

Background:

  • The Magnet Recognition Program (Magnet) was established 25 years ago.
  • Magnet designation is recognized as a hallmark of nursing excellence.
  • Research indicates Magnet has a significant impact on nursing practice and patient care.

Purpose of the Study:

  • To forecast the future direction of the Magnet Recognition Program.
  • To analyze the forces influencing the Magnet program.
  • To propose a future model for Magnet designation.

Main Methods:

  • Multivariate structural analysis of forces impacting the Magnet program.
  • Forecasting methodologies applied to healthcare and nursing program evolution.

Main Results:

  • Identification of key forces shaping the future of Magnet designation.
  • Development of a predictive model for the Magnet Recognition Program's evolution.
  • Insights into the anticipated impact on nursing practice and patient outcomes.

Conclusions:

  • The Magnet Recognition Program is poised for future evolution.
  • The proposed model offers a framework for understanding and adapting to changes.
  • Continued focus on excellence in nursing practice and patient care remains central to Magnet's impact.