An intelligent nano-graphene antibacterial physiotherapy health eye mask
A nanographene, physiotherapy and health care technology, applied in eye mask, treatment, light therapy, etc., can solve the problems of unsuitable eye mask, affecting the antibacterial service life of eye mask, low water absorption rate, etc., to achieve easy wearing, excellent antibacterial effect, small water absorption rate effect
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Embodiment 1
[0027] The preparation of embodiment 1 nano silver antibacterial film
[0028] A) Preparation of deproteinized Schisandra polysaccharide: including steps S1-S2:
[0029] S1. Extraction of crude polysaccharides from Schisandra chinensis: After fully grinding and pulverizing Schisandra chinensis, add 4 times the amount of 75% ethanol to reflux extraction at 80°C for 2 times, extract 1.5h each time, filter, and retain the filter residue; use the above filter residue Reflux extraction with deionized water at 85°C for 2 times, each time for 2 hours, combine the extracts, and concentrate;
[0030] S2. Deproteinization: Add 1 / 5 volume of chloroform of the extraction solution to the concentrated extract of Schisandra chinensis prepared above, then add n-butanol with 1 / 5 volume of chloroform, magnetically stir for 25 minutes at room temperature, let stand, and separate the water layer and the denatured protein between the organic layer and the aqueous layer solution repeat the above...
Embodiment 2
[0033] The preparation of embodiment 2 nano-silver antibacterial film
[0034] The difference between Example 2 and Example 1 is: the weight ratio of the silver nitrate solution to the deproteinized Schisandra polysaccharide solution in the step B) is 1:0.1; 20 times the amount of gum arabic is added in the step C).
Embodiment 3
[0035] The preparation of embodiment 3 nano-silver antibacterial film
[0036] The difference between Example 3 and Example 1 is: the weight ratio of the silver nitrate solution to the deproteinized Schisandra polysaccharide solution in step B) is 1:0.3; 10 times the amount of gum arabic is added in step C).
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