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Testing method for titanium dioxide thin-membrane self-cleaning glass antibacterial activity

A technology of titanium dioxide and antibacterial activity, which is applied in the field of inspection of antibacterial activity of glass and its products, can solve problems such as the inspection method of antibacterial activity of self-cleaning glass with no titanium dioxide film, and achieve the effect of scientific steps, practical convenience, and flexible operation

Inactive Publication Date: 2005-07-27
HUBEI SANXIA NEW BUILDING MATERIALS CO LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Titanium dioxide film self-cleaning glass has a good bactericidal effect under ultraviolet light, which can effectively reduce the concentration of bacteria on the glass surface and improve its sterilization efficiency. Since this product is still in the trial production stage, there is no antibacterial effect of titanium dioxide film self-cleaning glass in China. Activity test method

Method used

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  • Testing method for titanium dioxide thin-membrane self-cleaning glass antibacterial activity
  • Testing method for titanium dioxide thin-membrane self-cleaning glass antibacterial activity
  • Testing method for titanium dioxide thin-membrane self-cleaning glass antibacterial activity

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0027] 1. Test conditions

[0028] The indoor temperature is 25°C and the relative humidity is 65%.

[0029] 2. Test equipment

[0030] Reactor: the volume is 7000ml;

[0031] UV lamp: 15W, 365nm, the average intensity is 1000±30um / cm 2 ;

[0032] Biochemical incubator: temperature control accuracy is ±1°C;

[0033] Drying oven: temperature control accuracy is ±2°C;

[0034] Steam sterilizer: working pressure P≤0.14Mpa;

[0035] Micro sampler: 20ul and 1ml two specifications, 4 each;

[0036] Test tube: 2 tubes of 10ml and 15ml;

[0037] Watch glass: 4;

[0038] Pipette: 5ml, 10ml;

[0039] Glass rod: φ2mm or φ5mm;

[0040] Porcelain tray;

[0041] tweezers.

[0042] 3. Test materials and reagents

[0043] latex gloves;

[0044] absorbent gauze;

[0045] Anhydrous ethanol;

[0046] Deionized water;

[0047] solid nutrition;

[0048] Phosphate;

[0049] Species: Escherichia coli or Staphylococcus aureus.

[0050] 4. Sample source

[0051] Hubei Three Gorges...

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Abstract

The invention opened a detection method of the antiseptic activity which belongs to the TiO2-film of self-cleaning class. To get the sterilization fraction surviving by detecting the microbe density of sample surface after lighting. The process is easy to do and appropriate, convenience. So we can get the result quickly.

Description

technical field [0001] The invention relates to a method for testing the antibacterial activity of glass and its products. Background technique [0002] Titanium dioxide film self-cleaning glass has a good bactericidal effect under ultraviolet light, which can effectively reduce the concentration of bacteria on the glass surface and improve its sterilization efficiency. Since this product is still in the trial production stage, there is no antibacterial effect of titanium dioxide film self-cleaning glass in China. Activity test method. Contents of the invention [0003] The purpose of the present invention is to provide a method for testing the antibacterial activity of titanium dioxide film self-cleaning glass which is easy to operate, practical and convenient, quick to calculate and can effectively detect the sterilization efficiency. [0004] The object of the present invention is achieved in that a kind of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12Q1/04
Inventor 赵修建徐麟余家国吕在国袁启华赵青南韩建军周学东
Owner HUBEI SANXIA NEW BUILDING MATERIALS CO LTD
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