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Preparation method of antioxidant based on AI-CQDs and AI-CNSs

An antioxidant, al-cnss technology, applied in the field of antioxidant preparation, can solve the problems of aging, cell damage and apoptosis, damage, etc., and achieve the effect of low cost, simple preparation method and environmental friendliness

Pending Publication Date: 2022-04-29
UNIV OF SCI & TECH BEIJING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the damage caused by excessive ROS accumulation to the human body is irreversible, and may cause a series of problems such as cell damage and apoptosis, aging, cancer and DNA damage.

Method used

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  • Preparation method of antioxidant based on AI-CQDs and AI-CNSs
  • Preparation method of antioxidant based on AI-CQDs and AI-CNSs
  • Preparation method of antioxidant based on AI-CQDs and AI-CNSs

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0056] (1) Use high-purity Ti 3 AlC 2 Pressed tablets (purchased from Kaisen Ceramic Powder Co., about 1.5 cm in diameter and about 2 mm in thickness) were used as working electrodes, washed with absolute ethanol and deionized water for use.

[0057] (2) Use platinum wire as the counter electrode, carefully polish it and wash it with absolute ethanol and deionized water for use.

[0058] (3) Prepare electrolyte solution: prepare NaOH standard solution with a concentration of 0.1M as electrolyte.

[0059] (4) the above-mentioned working electrode (Ti 3 AlC 2 Tablet) and the counter electrode platinum wire were respectively fixed with electrode clamps, inserted into NaOH electrolyte solution, using CHI 660D electrochemical workstation, the technical parameters were constant potential method, the specific applied electrolysis voltage was 3V, and the reaction time was 6h.

[0060] (5) After the reaction is finished, the solution is taken out, and impurities are filtered using ...

Embodiment 2

[0065] (1) Use high-purity Ti 3 AlC 2 Pressed tablets (purchased from Kaisen Ceramic Powder Co., about 1.5 cm in diameter and about 2 mm in thickness) were used as working electrodes, washed with absolute ethanol and deionized water for use.

[0066] (2) Use platinum wire as the counter electrode, carefully polish it and wash it with absolute ethanol and deionized water for use.

[0067] (3) Prepare electrolyte solution: prepare NaOH standard solution with a concentration of 0.1M as electrolyte.

[0068] (4) the above-mentioned working electrode (Ti 3 AlC 2 Tablet) and the counter electrode platinum wire were respectively fixed with electrode clamps, inserted into the NaOH electrolyte solution, using CHI 660D electrochemical workstation, the technical parameters were constant potential method, the specific applied electrolysis voltage was 6V, and the reaction time was 6h.

[0069] (5) After the reaction is finished, the solution is taken out, and impurities are filtered us...

Embodiment 3

[0074] (1) Use high-purity Ti 3 AlC 2 Pressed tablets (purchased from Kaisen Ceramic Powder Co., about 1.5 cm in diameter and about 2 mm in thickness) were used as working electrodes, washed with absolute ethanol and deionized water for use.

[0075] (2) Use platinum wire as the counter electrode, carefully polish it and wash it with absolute ethanol and deionized water for use.

[0076] (3) Prepare electrolyte solution: prepare NaOH standard solution with a concentration of 0.1M as electrolyte.

[0077] (4) the above-mentioned working electrode (Ti 3 AlC 2 Tablet) and the counter electrode platinum wire were respectively fixed with electrode clamps, inserted into NaOH electrolyte solution, using CHI 660D electrochemical workstation, the technical parameters were constant potential method, the specific applied electrolysis voltage was 7.5V, and the reaction time was 6h.

[0078] (5) After the reaction is finished, the solution is taken out, and impurities are filtered usin...

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Abstract

The invention discloses a preparation method of an antioxidant based on Al-CQDs and Al-CNSs, and belongs to the field of antioxidant application. According to the invention, a Ti3AlC2MAX phase is used as a carbon source, and Al-doped carbon quantum dots and Al-doped carbon nanosheets (Al-CQDs and Al-CNSs) are respectively prepared in an electrolyte by using an electrochemical method and regulating and controlling electrolysis voltage. The oxidation resistance of the prepared Al-CQDs and Al-CNSs is tested, so that the oxidation resistance of the Al-CQDs and the Al-CNSs is detected. The preparation method disclosed by the invention is simple, short in preparation period, low in cost and environment-friendly, and has certain commercial feasibility; and the prepared Al-CQDs and the prepared Al-CNSs both have excellent oxidation resistance.

Description

technical field [0001] The invention relates to the field of anti-oxidation applications, in particular to the preparation of an antioxidant based on aluminum-doped quantum dots (Al-CQDs) and aluminum-doped carbon nanosheets (Al-CNSs), and belongs to the technical field of carbon materials. Background technique [0002] High-efficiency antioxidants can control the concentration of ROS and scavenge excess free radicals. Free radicals refer to molecules, atoms, ions or groups with one or more unpaired electrons in the outer orbit. Reactive oxygen species (ROS) are highly reactive free radicals derived from oxygen molecules and some molecules, including singlet oxygen ( 1 o 2 ), hydrogen peroxide (H 2 o 2 ), superoxide radicals (O 2 · - ), hydroxyl radicals (OH) and nitric oxide (NO), etc. An appropriate amount of ROS can repair or remove damaged cells and prevent cells from dying due to oxidative stress. However, the damage caused by excessive ROS accumulation to the h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/28G01N27/30G01N27/48G01N21/64
CPCG01N1/28G01N27/30G01N27/48G01N21/6428
Inventor 李妍赵悦悦王应敏齐昭君
Owner UNIV OF SCI & TECH BEIJING
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