Calcium Phosphate Granules
Calcium Phosphate Granules - Related Videos
01:27
Roles of Electrolytes: Calcium and Phosphate
0 Views •
2024
Calcium and phosphate are essential electrolytes in the human body, with calcium being the most abundant mineral. Around 99% of the body's calcium is stored in the skeleton and teeth, forming a crystal lattice of mineral salts in combination with phosphates. Calcium plays crucial roles in various bodily functions such as blood clotting, neurotransmitter release, muscle tone maintenance, and nervous and muscle tissue excitability. The calcium concentration in blood plasma is primarily regulated...
04:46
Resorption Pit Assay: An In Vitro Technique to Quantify Calcium Resorption Activity of Mature Osteoclasts using Calcium Phosphate-Coated Culture Plates
0 Views •
2025
In this video, we describe an in vitro osteoclastic resorption assay on calcium phosphate-coated cell culture plates cultured with human peripheral blood mononuclear cell-derived osteoclasts. The osteoclasts form a characteristic actin ring on the calcium phosphate-coated matrix of the cell culture plate and degrade the matrix within the actin ring region to release calcium and phosphate ions, resulting in the formation of distinct resorption pits within the degraded matrix.
08:22
Calcium Phosphate Transfection of Primary Hippocampal Neurons
0 Views •
Cited by 31 •
2013
Calcium phosphate precipitation is a convenient and economical method for transfection of cultured cells. With optimization, it is possible to use this method on hard-to-transfect cells like primary neurons. Here we describe our detailed protocol for calcium phosphate transfection of hippocampal neurons cocultured with astroglial cells.
05:14
A Calcium Phosphate-Induced Mouse Abdominal Aortic Aneurysm Model
0 Views •
Cited by 4 •
2022
This protocol describes a calcium phosphate-induced abdominal aortic aneurysm (AAA) mouse model to study the pathological features and molecular mechanisms of AAAs.
10:12
Visualization of G3BP Stress Granules Dynamics in Live Primary Cells
0 Views •
2014
Stress granules (SGs) are cytoplasmic RNA granules containing stalled ribonucleoprotein particles (RNPs), and important in cellular response to various stresses. Dynamics of SGs can be followed in live cells by visualizing the localization of a tagged component of SGs in transfected primary cells after stress.
FAQs
Composition, crystallinity, and particle size determine how the granules behave in aqueous and biological environments. These characteristics influence surface dissolution, ion release, and the likelihood of forming a new mineral layer. Considering all three variables helps researchers interpret differences in mineral formation, ion exchange, and interactions with biological molecules rather than treating every granule preparation as equivalent.
In water, the granule surface can dissolve and release calcium and phosphate ions. If the surrounding solution reaches suitable supersaturation, precipitation may occur and generate an apatite-like layer on the particles. This balance between dissolution and precipitation is important because it links the granules' surface behavior with mineral growth and changing ion conditions.
Supersaturation provides the chemical conditions that favor precipitation from the surrounding solution. When those conditions are suitable, calcium and phosphate released during surface dissolution can contribute to an apatite-like layer. The process offers a biochemical model for examining how inorganic mineral phases change in aqueous environments and how surface reactions may affect subsequent interactions.
Researchers can use the granules as a particulate mineral system for examining mineral formation and ion exchange. Their surfaces also provide a setting for studying interactions between inorganic phases and biological molecules. Comparing behavior across different compositions, crystallinities, particle sizes, or surrounding conditions can clarify which features influence biomineralization-related outcomes.
Interpretation should account for the granules' composition, crystallinity, particle size, and surrounding aqueous conditions. These variables affect dissolution, calcium and phosphate release, and the possible formation of an apatite-like layer. Controlling or comparing these features helps connect an observed result to a specific material property or environmental condition.
In biomedical applications, the granules can serve as bone-substitute materials or as components of scaffolds. Their mineral similarity may support tissue integration, while gradual resorption provides a changing material phase over time. They can also support localized delivery of bioactive compounds, linking mineral behavior with structural and biochemical functions in a treatment environment.