Novel wound dressing based on cellulose acetate films containing binary metal oxide nanohybrids
AssigneeKing Faisal University
InventorsHany Mohamed Abd El-Lateef AHMED, Mohamed GOUDA, Mai Mustafa Khalaf ALI
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Abstract
Cellulose acetate, silver-vanadate, and/or gadolinium trioxide wound dressing nano-films. In particular, wound dressings comprising a cellulose acetate film comprising cellulose acetate and silver vanadate and/or gadolinium trioxide nanoparticles within a cellulose acetate matrix. Different weights of these substances can be chosen during manufacture to achieve a certain morphological appearance. These multifunctional wound dressing films could be a promising and potential option for wound healing.
Claims20
1-11. (canceled)
A method for making a wound care cellulose acetate-based film, the method comprising:
- dissolving cellulose acetate and nanoparticles selected from the group consisting of silver vanadate nanoparticles and gadolinium trioxide nanoparticles, and combinations thereof in acetone to obtain a solution;
- resting the solution in a sealed glass container at about 298 K for at least 24 hours;
- stirring the solution for about 2 hours;
- placing the solution onto a glass plate;
- and
- evaporating the acetone to obtain the wound care cellulose acetate-based film;
- wherein no plasticizer is added to the solution.
A method of healing a wound in a patient comprising applying to a patient in need thereof a wound dressing at a site of the wound in the patient;
- wherein the wound dressing comprises a cellulose acetate film comprising:
- cellulose acetate;
- and
- nanoparticles selected from the group consisting of silver vanadate nanoparticles and gadolinium trioxide nanoparticles, and combinations thereof.
(canceled)
The method of claim 2618, wherein the gadolinium trioxide nanoparticles have a particle size of about 315 nm to about 335 nm.
Dependencies are inferred from the claim text.