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Related Concept Videos

Phase Transitions02:31

Phase Transitions

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Whether solid, liquid, or gas, a substance's state depends on the order and arrangement of its particles (atoms, molecules, or ions). Particles in the solid pack closely together, generally in a pattern. The particles vibrate about their fixed positions but do not move or squeeze past their neighbors. In liquids, although the particles are closely spaced, they are randomly arranged. The position of the particles are not fixed—that is, they are free to move past their neighbors to...
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Properties of Transition Metals02:58

Properties of Transition Metals

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Transition metals are defined as those elements that have partially filled d orbitals. As shown in Figure 1, the d-block elements in groups 3–12 are transition elements. The f-block elements, also called inner transition metals (the lanthanides and actinides), also meet this criterion because the d orbital is partially occupied before the f orbitals.
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Cooperative Allosteric Transitions01:58

Cooperative Allosteric Transitions

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Cooperative allosteric transitions can occur in multimeric proteins, where each subunit of the protein has its own ligand-binding site. When a ligand binds to any of these subunits, it triggers a conformational change that affects the binding sites in the other subunits; this can change the affinity of the other sites for their respective ligands. The ability of the protein to change the shape of its binding site is attributed to the presence of a mix of flexible and stable segments in the...
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Phase Transitions: Vaporization and Condensation02:39

Phase Transitions: Vaporization and Condensation

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The physical form of a substance changes on changing its temperature. For example, raising the temperature of a liquid causes the liquid to vaporize (convert into vapor). The process is called vaporization—a surface phenomenon. Vaporization occurs when the thermal motion of the molecules overcome the intermolecular forces, and the molecules (at the surface) escape into the gaseous state. When a liquid vaporizes in a closed container, gas molecules cannot escape. As these gas phase molecules...
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Phase Transitions: Sublimation and Deposition02:33

Phase Transitions: Sublimation and Deposition

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Some solids can transition directly into the gaseous state, bypassing the liquid state, via a process known as sublimation. At room temperature and standard pressure, a piece of dry ice (solid CO2) sublimes, appearing to gradually disappear without ever forming any liquid. Snow and ice sublimate at temperatures below the melting point of water, a slow process that may be accelerated by winds and the reduced atmospheric pressures at high altitudes. When solid iodine is warmed, the solid sublimes...
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Phase Transitions: Melting and Freezing02:39

Phase Transitions: Melting and Freezing

15.2K
Heating a crystalline solid increases the average energy of its atoms, molecules, or ions, and the solid gets hotter. At some point, the added energy becomes large enough to partially overcome the forces holding the molecules or ions of the solid in their fixed positions, and the solid begins the process of transitioning to the liquid state or melting. At this point, the temperature of the solid stops rising, despite the continual input of heat, and it remains constant until all of the solid is...
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Related Experiment Video

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The Mouse Stroke Unit Protocol with Standardized Neurological Scoring for Translational Mouse Stroke Studies
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Stroke Transitions of Care.

Shelia Y Ross, Sarah Roberts, Helen Taggart

    Medsurg Nursing : Official Journal of the Academy of Medical-Surgical Nurses
    |October 11, 2018
    PubMed
    Summary

    This study improved patient education and satisfaction by implementing 72-hour post-discharge follow-up calls for stroke patients. This initiative aimed to reduce hospital readmissions within 30 days.

    Area of Science:

    • Quality Improvement
    • Patient Outcomes
    • Healthcare Management

    Background:

    • High 30-day readmission rates pose a significant challenge in stroke patient care.
    • Effective patient education and satisfaction are crucial for post-discharge recovery.
    • Current discharge protocols may not adequately address patient needs, leading to preventable readmissions.

    Purpose of the Study:

    • To enhance patient education and satisfaction following hospital discharge.
    • To decrease all-cause 30-day readmissions for stroke patients.
    • To evaluate the impact of a 72-hour follow-up telephone call on patient outcomes.

    Main Methods:

    • A quality improvement project was implemented.
    • A 72-hour post-discharge follow-up telephone call protocol was established.

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  • The intervention targeted patients discharged home with a diagnosis of stroke.
  • Main Results:

    • The 72-hour follow-up calls were successfully completed for the target patient group.
    • Improvements in patient education and satisfaction were observed (details to be elaborated).
    • A reduction in all-cause 30-day readmissions was noted (details to be elaborated).

    Conclusions:

    • Implementing a 72-hour discharge follow-up telephone call is an effective strategy.
    • This intervention positively impacts patient education and satisfaction.
    • The 72-hour follow-up call contributes to reducing 30-day readmissions for stroke patients.