Preparation method of fullerene/water stock solution with synergic stability of electron transfer compound and surface hydroxyl group

A technology of electron transfer and fullerene, which is applied in the field of preparation of fullerene/water stock solution, can solve the problems of environmental damage of strong alkali, difficulty in expanding production, and cytotoxicity, so as to facilitate the expansion of production, overcome low efficiency, and biological The effect of high compatibility

Pending Publication Date: 2021-12-03
SHANDONG UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This preparation route has many disadvantages, including: the residue of benzene organic solvent is easy to bring cytotoxicity; the use of strong base is easy to cause damage to equipment and surrounding environment; the reaction is carried out at the interface of two phases, which is inefficient and difficult to expand production; The product easily contains sodium ions and tetrabutylammonium ions, which is not conducive to subsequent applications

Method used

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  • Preparation method of fullerene/water stock solution with synergic stability of electron transfer compound and surface hydroxyl group
  • Preparation method of fullerene/water stock solution with synergic stability of electron transfer compound and surface hydroxyl group
  • Preparation method of fullerene/water stock solution with synergic stability of electron transfer compound and surface hydroxyl group

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] A preparation method of a fullerene / water stock solution in which an electron transfer complex and a surface hydroxyl group are synergistically stabilized, comprising the steps of:

[0041] Weigh 500 mg of fullerene C 60 Dissolve in 500 ml nitrogen methyl pyrrolidone, stir to C 60 completely dissolved. Take 200 milliliters of the above-mentioned fullerene / nitromethylpyrrolidone mother liquor, add 20 milliliters of hydrogen peroxide with a mass concentration of 30%, and stir and react at 25 degrees Celsius for 6 days. The product was transferred to a dialysis bag with a molecular weight cut-off of 100 Daltons, the amount of deionized water outside the dialysis bag was 8000 mL, and the product was dialyzed with deionized water for one week, during which the water was changed every 24 hours. After the dialysis, the solution in the bag was transferred out and diluted to 400 ml with deionized water to obtain fullerene C. 60 / Water stock solution.

[0042] The UV-Vis abso...

Embodiment 2

[0048] A preparation method of a fullerene / water stock solution that is synergistically stabilized by an electron transfer complex and surface hydroxyl groups, as described in Example 1, except that nitrogen methyl pyrrolidone is replaced with pyridine; other steps and conditions are the same as the examples 1 consistent.

Embodiment 3

[0050] A preparation method of a fullerene / water stock solution that is synergistically stabilized by an electron transfer complex and surface hydroxyl groups, as described in Example 1, except that: nitrogen methyl pyrrolidone is replaced with imidazole; other steps and conditions are the same as the examples 1 consistent.

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Abstract

The invention provides a preparation method of a fullerene / water stock solution with synergic stability of an electron transfer compound and a surface hydroxyl group. According to the method, a nitrogen-containing polar organic solvent capable of forming an electron transfer compound with fullerene is selected, processes of hydroxylation reaction, dialysis and the like are supplemented, the water-soluble fullerene with high water solubility, stability and good pi conjugation characteristics is obtained, the previous two-phase preparation process of fullerene / water stock solution is broken through, the use of strong base and benzene series high-toxicity organic solvents is avoided, and the biocompatibility of the stock solution is improved. The fullerene / water stock solution obtained by the method disclosed by the invention has an excellent antioxidant effect and can be applied to the fields of cosmetics, biological medicines and the like.

Description

technical field [0001] The invention relates to a preparation method of a fullerene / water stock solution in which an electron transfer compound and a surface hydroxyl group are synergistically stabilized, and belongs to the technical field of fullerene materials. Background technique [0002] Fullerene has a perfect molecular structure and rich physical and chemical properties. There are a large number of double bonds on the surface, and it has strong free radical scavenging properties. It is used in cosmetics, biomedicine, as well as superconductivity, organic solar cells, nonlinear optical materials, artificial Photosynthesis and other fields have very broad application prospects. [0003] As a non-polar molecule, fullerene itself has strong hydrophobicity and low solubility in polar solvents, especially water, which limits its practical application, especially in the fields of cosmetics and biomedicine. In order to improve the water solubility of fullerenes, chemical mod...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B32/156
CPCC01B32/156
Inventor 李洪光骆兴伟臧伟
Owner SHANDONG UNIV
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