Aromatherapy pillow capable of preventing cervical spondylosis and having antibacterial function
A technology for cervical spondylosis and function, applied to pillows and other directions, can solve the problem of lack of auxiliary functions, and achieve the effects of avoiding the breeding of bacteria and viruses, preventing the occurrence of cervical spondylosis, and having a simple and reasonable structure.
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[0021] As a preferred embodiment, the preparation method of the nano antibacterial material of the present invention will be introduced below, and the preparation method of the nano-cobalt-zinc core@SiO shell biological material comprises the following steps:
[0022] Step1. Dissolve soluble zinc salt in absolute ethanol, add dispersant and thickener, stir evenly, slowly heat up to 60°C, under magnetic stirring conditions, slowly add a certain amount of ammonia ethanol solution (volume ratio is 1 : 1.2~1.8), a white precipitate was formed, after the dropwise addition was completed, it was incubated at 50°C for 100min, left to stand at room temperature for 2~5h, and the precipitate was separated by filtration, and the precipitate was washed with deionized water and 75% alcohol for 3 to 5 times respectively. Vacuum dry below 50°C to obtain a white precursor, and finally calcinate at 300-500°C for 2-4 hours in the air atmosphere to obtain nano-zinc powder; Step 2, dissolve the sol...
experiment example 1
[0027] Experimental Example 1 Determination of Antibacterial Biomaterial Free Radical Scavenging Ability
[0028] S1. Add 3.5mL 0.2mmol / L DPPH ethanol solution and 1.0mL 75% ethanol (DPPH, 1,1-diphenyl-2-trinitrophenylhydrazine) successively to the quartz colorimetric tube, after the mixing reaction is stable , with 75% ethanol as a reference, measure the absorbance A0 at 520nm;
[0029] S2. Add 3.5mL of 0.1mmol / L DPPH solution solvent (75% ethanol solution) and 1.0mL of the sample solution to be tested successively in the quartz colorimetric tube. Ratio, measure the absorbance Ar at 520nm;
[0030] S3. Add 3.5mL of 0.1mmol / L DPPH·ethanol solution and 1.0mL of the sample to be tested in turn into the specific quartz color tube. After the reaction is stable after mixing, measure the absorbance As at 520nm with 75% ethanol solution as a reference.
[0031] By the calculation formula of following free radical scavenging rate (Y): the result is as shown in table 1;
[0032] Y(%...
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