Hydrogel limiting diffusion of calcium

In summary, hydrogels are three-dimensional networks of polymers that can absorb water and limit the diffusion of molecules, such as calcium. They have various applications, including preventing diseases like kidney stones and atherosclerosis. Scientists study their effects by using diffusion cells and can tailor hydrogels to selectively limit the diffusion of certain molecules. However, there may be potential drawbacks, such as restricting the movement of essential nutrients and triggering an immune response.
  • #1
apex50
2
0
Dear scientists,

For my thesis I am searching for a hydrogel that limits the diffusion of calciumions.

The objective of this is to get the calciumconcentration in the hydrogel within a certain measurable (with fluorescent Cameleon) range.

Unfortunately I don't know where to start looking, do you have a suggestion?

Kind regards,

apex50
 
Engineering news on Phys.org
  • #2
Thanks for the post! Sorry you aren't generating responses at the moment. Do you have any further information, come to any new conclusions or is it possible to reword the post?
 

Related to Hydrogel limiting diffusion of calcium

1. What is a hydrogel and how does it limit diffusion of calcium?

A hydrogel is a three-dimensional network of polymers that can absorb large amounts of water. This network structure creates a barrier that restricts the movement of molecules, including calcium, through the gel. This results in a slower diffusion rate of calcium compared to a solution without a hydrogel present.

2. What are some applications of using hydrogels to limit calcium diffusion?

Hydrogels can be used in a variety of applications, such as drug delivery systems, wound dressings, and tissue engineering. In the case of limiting calcium diffusion, hydrogels can be used to prevent the buildup of excess calcium in certain tissues or organs, which can lead to diseases like kidney stones or atherosclerosis.

3. How do scientists study the effects of hydrogels on calcium diffusion?

There are various methods for studying the diffusion of calcium in the presence of hydrogels. One common technique is to use a diffusion cell, where a hydrogel is placed between two compartments containing a solution with calcium ions. The concentration of calcium in each compartment is then measured over time to determine the diffusion rate.

4. Can hydrogels be designed to selectively limit the diffusion of certain molecules?

Yes, hydrogels can be tailored to limit the diffusion of specific molecules by modifying the structure and composition of the gel. For example, different types of polymers can be used to create hydrogels with varying pore sizes, which can selectively block the diffusion of certain molecules while allowing others to pass through.

5. Are there any potential drawbacks to using hydrogels to limit calcium diffusion?

While hydrogels can be beneficial in controlling the diffusion of calcium, there are some potential drawbacks to consider. For example, the gel may also restrict the movement of essential nutrients or signaling molecules, which can impact cellular function. Additionally, the presence of a hydrogel in the body may trigger an immune response in some individuals.

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