Calcium Phosphate
Calcium Phosphate - Related Videos
01:27
Roles of Electrolytes: Calcium and Phosphate
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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
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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
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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
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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.
01:22
Phosphate Buffer
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2024
The phosphate buffer system is a critical biological mechanism for maintaining pH stability in the body. This system operates primarily through two components: sodium dihydrogen phosphate (NaH2PO4), which acts as a weak acid, and sodium hydrogen phosphate (Na2HPO4), which serves as a weak base. Sodium dihydrogen phosphate does not fully dissociate in neutral or acidic solutions. When a strong base, such as sodium hydroxide (NaOH), is introduced into the solution, sodium dihydrogen phosphate...
FAQs
The balance between dissolved calcium and phosphate concentrations, pH, and regulatory proteins controls whether mineralization proceeds through nucleation and precipitation. When conditions favor crystal formation, hydroxyapatite can deposit within an organic matrix; changes in any of these variables may alter the amount or location of mineral formed. This relationship helps explain controlled skeletal hardening.
Hydroxyapatite deposited within an organic matrix contributes to hardening of bones and teeth. Consequently, mineral formation cannot be considered only as a solution chemistry event: its biological outcome also depends on where crystalline material accumulates. Examining this deposition links molecular mineralization processes with tissue-level strength in skeletal and dental biology.
Studying both formation and dissolution shows how calcium phosphate minerals are added to or removed from biological structures. This paired perspective can clarify skeletal development and mineralization disorders, because the same system may be examined under conditions that favor deposition or loss. It also connects chemical changes with biological outcomes.
Calcium phosphate's biocompatibility supports its use in bone-repair materials, dental applications, and tissue engineering. In these settings, the relevant biological question is how a material supports mineralized tissue contexts rather than simply whether crystals form in solution. This connection makes the compounds important for studying biomaterial integration alongside repair and engineered-tissue strategies.
In studies of calcium phosphate mineralization, ion concentration and pH are central variables, while regulatory proteins add biological control. Researchers can relate these conditions to whether nucleation and precipitation occur and to the resulting deposition of hydroxyapatite in an organic matrix. Keeping these factors conceptually linked helps distinguish chemical availability from regulated biological mineralization.
Calcium phosphate compounds have roles beyond structural mineral deposition: they participate in cellular signaling and serve as mineral storage. In biology, these functions broaden the topic from bone and tooth hardening to cell-level communication and mineral handling. Considering both roles helps explain why calcium phosphate is relevant to cellular biology as well as skeletal biology.