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Related Concept Videos

Plastic Deformations01:14

Plastic Deformations

It is essential to understand how structural members behave under plastic deformation when the bending stress exceeds the material's yield strength. This state of deformation permanently alters the shape of the member, in contrast to the linear elastic behavior observed before yielding. The strain at any point in the member is expressed in terms of maximum strain. Notably, the neutral axis, which coincides with the centroid during elastic bending, shifts away from the centroid under plastic...
Plastic Deformations01:19

Plastic Deformations

Plastic deformation represents a fundamental concept in materials science, which explains the irreversible change in the shape of a material when it experiences stress beyond its elastic capability. This phenomenon is important in structural engineering, especially in designing and analyzing cantilever beams—structures that are securely fixed at one end and bear loads at the opposite end. When these beams are subjected to loads within their elastic range, they will return to their original...
Bioplastics01:27

Bioplastics

Bioplastics derived from microbial processes present a sustainable alternative to conventional petroleum-based plastics. Among these, polyhydroxyalkanoates (PHAs), particularly polyhydroxybutyrates (PHBs), have emerged as prominent candidates due to their biodegradability and biocompatibility. These polymers are synthesized by a variety of bacteria, such as Cupriavidus necator and Pseudomonas putida, which naturally accumulate PHAs as intracellular carbon and energy reserves, especially under...
Plasticity00:58

Plasticity

Plasticity is the property where an object loses its elasticity and undergoes irreversible deformation, even after the deformation forces are eliminated. If a material deforms irreversibly without increasing stress or load, then this is called ideal plasticity. For example, when a force is applied to an aluminum rod, it changes its shape, but it does not return to its original shape once the force is removed. Plastic deformation or ductility is thus a permanent deformation or change in the...
Plasticizers01:31

Plasticizers

Water-reducers, or plasticizers, are chemical admixtures used in concrete to improve strength and workability. These additives reduce the water-cement ratio without compromising workability, lower the cement content while maintaining the same workability, or increase workability to assist concrete placement in inaccessible areas.
Plasticizers function by using surface-active agents to create repulsive electrostatic forces between cement particles. This dispersion enhances the concrete's...
Plastic Behavior01:21

Plastic Behavior

A material's elastic behavior is characterized by the disappearance of stress once the load is removed, allowing the material to return to its original state. However, when stress surpasses the yield point, yielding commences, marking the onset of plastic deformation or permanent set. This change from elastic to plastic behavior is influenced by the peak stress value and the duration before the load is removed. An intriguing observation occurs when a specimen is loaded, unloaded, and reloaded.

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Related Experiment Video

Updated: Jul 2, 2026

Plastoglobule Lipid Droplet Isolation from Plant Leaf Tissue and Cyanobacteria
10:35

Plastoglobule Lipid Droplet Isolation from Plant Leaf Tissue and Cyanobacteria

Published on: October 6, 2022

Light-weight plastination.

Hanno Steinke1, Suganthy Rabi, Toshiyuki Saito

  • 1Institut für Anatomie, Universität Leipzig, Leipzig, BR Deutschland, Germany. steinke@medizin.uni-leipzig.de

Annals of Anatomy = Anatomischer Anzeiger : Official Organ of the Anatomische Gesellschaft
|August 30, 2008
PubMed
Summary

This study introduces a new plastination method using xylene and silicone, resulting in lightweight, dry, and odorless anatomical specimens. This cost-effective technique enhances specimen portability and usability for educational purposes.

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Area of Science:

  • Anatomical Sciences
  • Biomedical Engineering
  • Materials Science

Background:

  • Plastination is a valuable technique for preserving anatomical specimens.
  • Previous research focused on improving the quality of plastinated specimens.
  • Existing methods can be costly and result in heavy specimens.

Purpose of the Study:

  • To describe a novel method for producing lightweight plastinated specimens.
  • To enhance the cost-effectiveness and practicality of the plastination technique.
  • To improve the handling and educational utility of anatomical specimens.

Main Methods:

  • Utilizing xylene and silicone in the plastination process.
  • Implementing a final step of substituting xylene with air.
  • Developing a method to reduce overall resin usage.

Main Results:

  • Successfully produced lightweight, dry, and odorless plastinated specimens.
  • Demonstrated a reduction in the amount of resin required.
  • Created robust specimens that are easy to handle and transport.

Conclusions:

  • The described plastination method offers a cost-effective alternative.
  • Lightweight plastinated specimens are more suitable for teaching and demonstration.
  • This technique preserves anatomical integrity while improving practical attributes.