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Related Concept Videos

Work01:22

Work

32.6K
Work is done when energy is transferred from one object to another. In other words, work is when a force acts on something that undergoes a displacement from one position to another. Forces can vary as a function of position, and displacements can be along various paths between two points. The increment of work (dW) done by a force acting through an infinitesimal displacement can be defined as the dot product of force () and displacement () vectors.
The dot product can be expressed in terms of...
32.6K
Work01:14

Work

859
Work is a fundamental concept of mechanical engineering and has many applications. Understanding how work is calculated and the different types of work can help us better understand physical processes and provide insights into complex problems.
Work is defined as the result of a force acting on an object, causing it to move along the line of action of force. It is also defined as the process of transferring energy through the application of force on an object, resulting in its displacement.
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Work Done During Volume Change01:17

Work Done During Volume Change

6.1K
In mechanics, work is done on an object when the force acting on it displaces the object. In thermodynamics, work done on a system can be estimated when the system's volume changes during any thermodynamic process.
Consider a gas confined to a cylinder fitted with a movable piston at one end. If the gas expands from volume V1 to volume V2, it exerts a force on the piston, such that the piston moves by a distance dr.
The work done by the gas on the piston can be expressed as
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Quality Control01:05

Quality Control

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Quality control is one of the three cyclical quality assurance activities that help keep a system under statistical control. Typical quality control activities include creating quality control charts, conducting proficiency testing, and documenting and archiving results.
Quality control helps track data, visualize trends, and identify variations, making it easier to detect deviations that may affect the accuracy of an analysis. One way to do this is by generating a quality control chart, which...
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Work Done by Many Forces01:03

Work Done by Many Forces

6.2K
The total work done on an object acted upon by multiple forces can be computed using two methods that give the same result. In one method, the work done by each force is first calculated. Then, those values are summed algebraically to calculate the total work done by all the forces. In the second method, the net force is first calculated by a vector sum of all the forces. Then, the work done by this force is obtained.
Since forces perpendicular to the displacement do no work, they do not...
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Quality Assurance01:19

Quality Assurance

3.9K
Quality assurance is the overarching term used to describe the activities employed to ensure the proper performance of a system. These activities can be classified into three categories: quality control, quality assessment, and internal corrective measures. Typically, these activities work cyclically: quality control is performed before and during the analysis, while quality assessment occurs during and after the investigation. Internal corrective measures are implemented based on the findings...
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Updated: Mar 21, 2026

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Keep Up the Good (Bench) Work!

S N J Moreno1

  • 1Center for Tropical and Emerging Global Diseases, University of Georgia, Athens, GA, USA; Department of Cellular Biology, University of Georgia, Athens, GA, USA.

Trends in Parasitology
|May 3, 2016
PubMed
Summary
This summary is machine-generated.

Professor Silvia Moreno researches toxoplasmosis, a common parasitic infection. Her work aims to develop safer, more effective drugs by targeting unique aspects of the parasite Toxoplasma gondii

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Area of Science:

  • Parasitology
  • Infectious Diseases
  • Drug Discovery

Background:

  • Toxoplasmosis, caused by Toxoplasma gondii, chronically infects one-third of humans.
  • Infections can lead to severe complications like vision loss and mother-to-fetus transmission.
  • Current treatments for toxoplasmosis are ineffective against parasite cysts and cause severe side effects.

Discussion:

  • Professor Silvia Moreno focuses on parasite metabolism to identify novel drug targets.
  • Research aims to develop less toxic and more effective treatments for toxoplasmosis.
  • Understanding unique metabolic pathways of T. gondii is crucial for therapeutic advancements.

Key Insights:

  • Existing drugs fail to eradicate dormant T. gondii cysts.
  • Current treatments exhibit significant toxicity, including bone marrow suppression and liver damage.
  • Targeting parasite metabolism offers a promising strategy for improved toxoplasmosis therapies.

Outlook:

  • Future research will focus on uncovering unique metabolic vulnerabilities of T. gondii.
  • Development of novel drugs with improved efficacy and reduced toxicity is the primary goal.
  • This research has the potential to significantly impact the management of toxoplasmosis worldwide.