In Situ Loading
In Situ Loading - Related Videos
07:09
In situ Compressive Loading and Correlative Noninvasive Imaging of the Bone-periodontal Ligament-tooth Fibrous Joint
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Cited by 17 •
2014
In this study, the use of an in situ loading device coupled with micro-X-ray computed tomography for fibrous joint biomechanics will be discussed. Experimental readouts identifiable with an overall change in joint biomechanics will include: 1) reactionary force vs. displacement, i.e. tooth displacement within the alveolar socket and its reactionary response to loading, 2) three-dimensional (3D) spatial configuration and morphometrics, i.e. geometric relationship of the tooth with the alveolar...
08:00
Whole-Mount In Situ Hybridization
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2023
Whole-mount in situ hybridization (WMISH) is a common technique used for visualizing the location of expressed RNAs in embryos. In this process, synthetically produced RNA probes are first complementarily bound, or "hybridized," to the transcripts of target genes. Immunohistochemistry or fluorescence is then used to detect these RNA hybrids, revealing spatial and temporal patterns of gene expression. Unlike traditional in situ hybridization techniques, which require thin tissue sections whose...
01:19
Impact Loading
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2024
Impact loading occurs when a moving object collides with a stationary structure, such as a rod with a uniform cross-sectional area fixed at one end. Under these conditions, the rod absorbs the kinetic energy from the striking object, leading to deformation and subsequent stress development. As the rod returns to its original position and reaches maximum stress, the absorbed energy, initially manifested as kinetic energy, transforms entirely into strain energy. In cases of elastic deformation,...
11:26
In Situ Ca2+ Imaging of the Enteric Nervous System
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Cited by 24 •
2015
The enteric nervous system (ENS) is a network of neurons and glia located in the gut wall that controls intestinal reflexes. This protocol describes methods for recording the activity of enteric neurons and glia in live preparations of ENS using Ca2+ imaging.
01:16
Eccentric Loading
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2024
Eccentric loading is a crucial concept in the study of structural engineering and mechanics, particularly when analyzing the stability and stress distribution in columns. Unlike centric loading, where the force is applied along the centroidal axis, causing uniform compression, eccentric loading occurs when a force is applied off-center. This off-center application introduces not only direct compressive stress but also bending stress, significantly influencing the column's behavior under load.
FAQs
Diffusion allows a payload to move through the material, while adsorption places it on a material surface. Chemical binding attaches it through interactions with the material, and physical entrapment holds it within the material structure. These mechanisms determine how the payload enters and remains in a scaffold, hydrogel, or implant, influencing where bioactivity occurs.
Material structure and environmental conditions govern loading because they affect how a payload moves, attaches, or remains contained. A scaffold, hydrogel, or implant can therefore produce different loading behavior even when the payload is the same. Considering these variables helps bioengineers position drugs, proteins, genes, or cells more precisely at the intended site.
Instead of incorporating the payload during a separate processing step, the approach places it at the site where it will act. This distinction can reduce handling and preserve spatial control over the therapeutic or functional component. In bioengineering, that difference is relevant when the desired effect depends on concentrating activity within a particular scaffold, hydrogel, implant, or tissue location.
Planning begins by matching a payload to a receiving material and intended biological location. Suitable material categories include scaffolds, hydrogels, and implants, while payload categories include drugs, proteins, genes, and cells. The loading mechanism, material structure, and environmental conditions then guide how the component is incorporated and where its biological effect is targeted.
Researchers may choose it when localized delivery or a spatially precise biological effect is important. Applications in bioengineering include tissue engineering and regenerative medicine, where engineered systems may need to position drugs, proteins, genes, or cells within a scaffold, hydrogel, or implant. The approach is especially relevant when reducing handling is also a practical objective.
It can support localized delivery, improved spatial control, reduced handling, and more precise biological effects. These outcomes connect material design to the intended function of the engineered system: a payload is not only present, but positioned where it is needed. Researchers can therefore consider both incorporation behavior and the resulting location of bioactivity when designing bioengineered constructs.