i prepared 1%wt and 2%wt sodium alginate solution with 9 pH and 0.5 molar copper sulfate.
by adding alginate solution to the electrolyte (CuSO4), it is expected to have copper alginate gel in bead form. but i gained very thin very loose small film.
and by adding the electrolyte on the surface of the alginate solution, it is expected to have a thick stable membrane of copper alginate gel that will stay on the surface, but my membrane sinks in alginate solution slowly.
my main purpose is making capillary copper alginate gel.
thank you
Dear Raheleh Ebrahimi many thanks for asking this very interesting technical question. I just came across two potentially useful articles in which the preparation of capillary copper alginate gel has been described in detail. In this context please have a look at the following links:
Gelatinized Copper–Capillary Alginate Gel Functions as an Injectable Tissue Scaffolding System for Stem Cell Transplants
Article Gelatinized Copper–Capillary Alginate Gel Functions as an In...
Also please see:
Modeling capillary formation in calcium and copper alginate gels
Article Modeling capillary formation in calcium and copper alginate gels
Unfortunately these articles have not yet been posted as public full texts on RG. Please see if you can access them thropugh your institution. Alternative you could request the full texts of the papers directly from the authors via RG.
Good luck with your work and best wishes!
although the second article seems theoretical, offers new practical techniques.
thank you professor Frank T. Edelmann
Dear Raheleh
I am not expert in this subject, however, since I am an inorganic chemist, I am sure when you introduce copper(II) solution on the top of another solution with alkaline pH, copper is rapidly converted to its hydroxide and sinks down because it is heavy precipitate. Even if you are doing this test more carefully, I don't think you get two separate layers.
Good luck
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thank you Mohammad Kooti
your comment was very helpful, i should concentrate on pH more.
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