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Related Concept Videos

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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Reproductive Cloning01:27

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Reproductive cloning is the process of producing a genetically identical copy—a clone—of an entire organism. While clones can be produced by splitting an early embryo—similar to what happens naturally with identical twins—cloning of adult animals is usually done by a process called somatic cell nuclear transfer (SCNT).
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A schema is a mental framework that helps individuals organize and interpret information. Schemata, formed from previous experiences, influence how we process new information: how we encode it, the inferences we make, and how we retrieve it. For instance, a schema for what a typical classroom looks like might include desks, a teacher's desk, a whiteboard, and students in such an environment. This expectation helps us quickly understand and navigate new classrooms without needing to analyze...
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Overview of the Reproductive System01:31

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The reproductive system generates offspring, ensuring the survival of the species. In humans, the reproductive system is complex and involves a variety of organs and hormones that work together to ensure successful reproduction.
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Asexual Reproduction

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Asexual reproduction allows plants to reproduce without growing flowers, attracting pollinators, or dispersing seeds. Offspring are genetically identical to the parent and produced without the fusion of male and female gametes.
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ATP Energy Storage and Release

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ATP is a highly unstable molecule. Unless quickly used to perform work, ATP spontaneously dissociates into ADP and inorganic phosphate (Pi), and the free energy released during this process is lost as heat. The energy released by ATP hydrolysis is used to perform work inside the cell and depends on a strategy called energy coupling. Cells couple the exergonic reaction of ATP hydrolysis with endergonic reactions, allowing them to proceed.
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Updated: Jan 26, 2026

Reproductive Techniques for Ovarian Monitoring and Control in Amphibians
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Reproductive Tissue Storage: Quality Control and Management/Inventory Software.

Kimball O Pomeroy1, Mark Marcon2

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Recent reproductive tissue storage tank failures underscore the need for improved safety protocols. Laboratories must implement robust quality control and risk management to prevent future accidents and safeguard patient specimens.

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Area of Science:

  • Reproductive medicine
  • Cryopreservation
  • Laboratory safety

Background:

  • Recent failures of liquid nitrogen storage tanks in reproductive laboratories highlight critical safety and security vulnerabilities.
  • Limited data exists on the frequency and causes of tank failures due to litigation and confidentiality concerns.

Purpose of the Study:

  • To re-examine and improve approaches to reproductive tissue storage safety.
  • To identify causes of tank failures and develop effective risk mitigation strategies.

Main Methods:

  • Review of existing (though limited) data on reproductive tissue storage failures.
  • Analysis of potential causes including tank design flaws and protocol adherence issues.
  • Discussion of risk management strategies, including tank placement, storage location (on-site/off-site), tank size, and specimen distribution.

Main Results:

  • Tank failures can stem from design flaws or procedural errors.
  • Strategic decisions on storage location, tank capacity, and specimen splitting are crucial for risk reduction.
  • Ongoing quality control, including visual inspection and evaporation rate monitoring, is essential.

Conclusions:

  • Implementing comprehensive protocols for reproductive tissue storage is vital.
  • Risk management should prioritize specimen safety over convenience or cost.
  • While eliminating all accidents is unlikely, reducing their probability through enhanced safety measures is achievable.