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Related Concept Videos

Magnetic Fields01:27

Magnetic Fields

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A moving charge or a current creates a magnetic field in the surrounding space, in addition to its electric field. The magnetic field exerts a force on any other moving charge or current that is present in the field. Like an electric field, the magnetic field is also a vector field. At any position, the direction of the magnetic field is defined as the direction in which the north pole of a compass needle points.
A magnetic field is defined by the force that a charged particle experiences...
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Magnetism01:30

Magnetism

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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...
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Other Unique Bacteria01:18

Other Unique Bacteria

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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...
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Potential Due to a Magnetized Object01:24

Potential Due to a Magnetized Object

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Magnetic dipoles in magnetic materials are aligned when placed under an external magnetic field. For paramagnets and ferromagnets, dipole alignment occurs in the direction of the magnetic field. However, the dipoles align opposite to the field in the case of diamagnets. This state of magnetic polarization due to the external field is called magnetization. Magnetization is defined as the dipole moment per unit volume. It plays a similar role to polarization in electrostatics.
The vector...
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Magnetostatic Boundary Conditions01:28

Magnetostatic Boundary Conditions

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An electric field suffers a discontinuity at a surface charge. Similarly, a magnetic field is discontinuous at a surface current. The perpendicular component of a magnetic field is continuous across the interface of two magnetic mediums. In contrast, its parallel component, perpendicular to the current, is discontinuous by the amount equal to the product of the vacuum permeability and the surface current. Like the scalar potential in electrostatics, the vector potential is also continuous...
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Colors and Magnetism03:02

Colors and Magnetism

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Color in Coordination Complexes
When atoms or molecules absorb light at the proper frequency, their electrons are excited to higher-energy orbitals. For many main group atoms and molecules, the absorbed photons are in the ultraviolet range of the electromagnetic spectrum, which cannot be detected by the human eye. For coordination compounds, the energy difference between the d orbitals often allows photons in the visible range to be absorbed and emitted, which is seen as colors by the human...
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Related Experiment Video

Updated: Feb 18, 2026

Collection, Isolation and Enrichment of Naturally Occurring Magnetotactic Bacteria from the Environment
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Collection, Isolation and Enrichment of Naturally Occurring Magnetotactic Bacteria from the Environment

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Magnet® Enculturation.

M Maureen Lal1

  • 1Author Affiliation: Senior Manager, Magnet Appraiser Program, American Nurses Credentialing Center, Silver Spring, Maryland.

The Journal of Nursing Administration
|November 15, 2017
PubMed
Summary

The Magnet Appraiser Program® emphasizes that achieving Magnet recognition requires building a culture of excellence. Sustaining this excellence involves ongoing critical assessments and support for nursing practice, governance, and resources.

Area of Science:

  • Healthcare Management
  • Nursing Excellence
  • Organizational Development

Background:

  • The Magnet Appraiser Program® guides healthcare organizations toward achieving excellence in nursing.
  • A culture of excellence is crucial for sustained high performance in nursing.

Purpose of the Study:

  • To highlight the importance of the Magnet journey components in fostering a culture of excellence.
  • To outline strategies for sustaining excellence beyond the appraisal period.

Main Methods:

  • This column discusses the principles and practices advocated by the Magnet Appraiser Program®.
  • It emphasizes continuous quality improvement and support systems.

Main Results:

  • The Magnet journey is integral to developing and sustaining a culture of excellence.

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Purification of the M. magneticum Strain AMB-1 Magnetosome Associated Protein MamAΔ41
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Related Experiment Videos

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  • Sustainment requires regular critical assessments and robust support.

    • Conclusions:

    • A sustained culture of excellence in nursing is achieved through consistent evaluation and support.
    • This applies across all organizational settings where nursing care is delivered.