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Low-adsorption antibacterial centrifuge tube and application thereof

A centrifuge tube and low-adsorption technology, applied in the field of centrifuge tubes, can solve the problems of ordinary nano-silver particle antibacterial agent oxidation failure, limit the use of domestic materials, waste experimental materials, etc., to improve anti-bioadhesion, film-forming effect and stability Good performance, improve wear resistance and acid and alkali resistance

Inactive Publication Date: 2021-06-18
HANGZHOU ANYU TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, all low-adsorption and antibacterial PP technologies used in biomedical research on the market are monopolized by foreign countries, with high product prices and long procurement cycles
China has been committed to the development of such materials for several years, and there have been obvious breakthroughs in some fields, but the quality is still lacking, such as film residue in the container or when pipetting, wasting precious experimental materials; The surface tension of plastic products becomes smaller, but the internal additives appear to precipitate and float; ordinary nano-silver particle antibacterial agents have oxidative failure due to long test cycles, etc., which limit the use of domestic materials

Method used

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  • Low-adsorption antibacterial centrifuge tube and application thereof
  • Low-adsorption antibacterial centrifuge tube and application thereof
  • Low-adsorption antibacterial centrifuge tube and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Preparation of modified silane coupling agent:

[0029] 6-shogalenol was dissolved in toluene (the solid-to-liquid ratio of 6-shogalenol to toluene was 1g: 33mL), the reaction was heated up to 55°C, and the karstedt catalyst was added (the solid-to-liquid ratio of 6-shogalenol to karstedt catalyst 3g: 0.14mL) and continue to stir for 50min; then add triethoxysilane (the mass ratio of 6-shogaol to triethoxysilane is 1:0.51) into the constant pressure dropping funnel, and then slowly add it dropwise to In the solution, react at a constant temperature of 80°C for 23 hours after the dropwise addition; filter while hot, cool to room temperature, spin evaporate, dry, and recrystallize with ethanol to obtain modified triethoxysilane.

[0030] Preparation of a low-adsorption, antibacterial centrifuge tube:

[0031] Surface pretreatment of centrifuge tubes, wash commercially available centrifuge tubes several times with detergent to remove most of the oil on the surface, then f...

Embodiment 2

[0034] The difference between the preparation of the modified silane coupling agent and Example 1 is that the mass ratio of 6-shogaol to triethoxysilane is 1:0.58; the solid-to-liquid ratio of 6-shogaol to the karstedt catalyst is 3g : 0.17mL.

[0035] The difference between the preparation of a low-adsorption and antibacterial centrifuge tube is that the modified silane coupling agent is prepared in this embodiment.

Embodiment 3

[0037] The difference between the preparation of modified silane coupling agent and Example 1 is: the mass ratio of 6-shogaol to triethoxysilane is 1:0.55; the solid-to-liquid ratio of 6-shogaol to karstedt catalyst is 3g : 0.19mL.

[0038] The difference between the preparation of a low-adsorption and antibacterial centrifuge tube is that the modified silane coupling agent is prepared in this embodiment.

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Abstract

The invention discloses a low-adsorption antibacterial centrifugal tube and application thereof, and relates to the technical field of centrifugal tubes. The preparation method of the low-adsorption antibacterial centrifuge tube comprises the following steps: pretreatment of the surface of the centrifuge tube: firstly, sequentially removing oil and cleaning organic impurities from the commercially available centrifuge tube, and then carrying out hydroxylation treatment on the surface of the centrifuge tube; and surface coating treatment of the centrifugal tube: dissolving the modified silane coupling agent in methanol, coating the surface of the centrifugal tube subjected to hydroxylation treatment with a film, airing, and carrying out heat treatment to obtain the coated centrifugal tube. The centrifugal tube prepared by the invention has excellent biological adhesion resistance, good stability, low adsorption performance and good antibacterial performance; and the hydrophobic property is still excellent at high temperature, and the wall hanging phenomenon of liquid is improved.

Description

technical field [0001] The invention belongs to the technical field of centrifuge tubes, and in particular relates to a low-adsorption, antibacterial centrifuge tube and its application. Background technique [0002] At present, all low-adsorption and antibacterial PP technologies used in biomedical research on the market are monopolized by foreign countries, with high product prices and long procurement cycles. China has been committed to the development of such materials for several years, and there have been obvious breakthroughs in some fields, but the quality is still lacking, such as film residue in the container or when pipetting, wasting precious experimental materials; The surface tension of plastic products becomes smaller, but the internal additives appear to precipitate and float; ordinary nano-silver particle antibacterial agents have oxidative failure due to long test cycles, etc., which limit the use of domestic materials. Contents of the invention [0003]...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01L3/14
CPCB01L3/5082Y02W30/62
Inventor 章贤骏雷诺成宣兆康施雯
Owner HANGZHOU ANYU TECH CO LTD
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