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Fullerene water-soluble modifier and preparation method thereof

A technology for fullerenes and modifiers, applied in the field of fullerene water-soluble modifiers and their preparation, and the preparation of fullerene derivatives, can solve problems that need to be improved, and achieve the effect of increasing yield and increasing output

Active Publication Date: 2018-03-20
INST OF CHEM CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the current water-soluble modifiers of fullerenes and their preparation methods still need to be improved

Method used

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  • Fullerene water-soluble modifier and preparation method thereof
  • Fullerene water-soluble modifier and preparation method thereof
  • Fullerene water-soluble modifier and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] Weigh an appropriate amount of Gd@C 82 Solids were ground in an agate mortar for 10 minutes, and the ground Gd@C 82 10 mg of solid was added to a 50 mL single-necked bottle, and 6 mL of β-alanine with a mass fraction of 14% in NaOH solution (the molar ratio of β-alanine to NaOH was 1:2) was added, vigorously stirred at 80 degrees Celsius for 2 h, Until the black solid gradually dissolves, a brown-black solution is generated. Centrifuge to remove a small amount of unreacted solid powder. The filtrate is dialyzed with a Mw=3500 dialysis bag to remove small molecular impurities, and filtered with a 220nm microporous membrane to obtain a brown-black solution, which is Gd@C 82 Amino acid derivative Gd@C 82 (OH) 13 (NHCH2CH2COOH) 6 .

Embodiment 2

[0050] The remaining steps are the same as in Example 1, the difference is that Gd@C 82 The solid was ground in an agate mortar for 30 minutes.

Embodiment 3

[0052] The remaining steps are the same as in Example 1, the difference is that Gd@C 82 The solid was ground in an agate mortar for 60 minutes.

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Abstract

The invention provides a fullerene water-soluble modifier and a preparation method thereof. The preparation method comprises the following steps: mixing solid fullerene with a water-soluble modifier solution, and carrying out reaction, so that the fullerene water-soluble modifier is obtained conveniently, wherein the solid fullerene is subjected to grinding treatment in advance. The preparation method provided by the invention has the advantages that amino fullerene is prepared by directly utilizing solid-liquid reaction, the obtained fullerene water-soluble modifier has good water solubilityand relatively high yield, production scale can be easily expanded, a toxic and harmful organic solvent and a catalyst are not related in a preparation process, and the fullerene water-soluble modifier is environment-friendly and applicable to the biochemical field.

Description

technical field [0001] The present invention relates to the field of materials. Specifically, the present invention relates to the preparation of fullerene derivatives, more specifically, to water-soluble modified fullerenes and their preparation methods. Background technique [0002] Fullerene is an atomic cluster with a closed structure composed of different numbers of carbon atoms. It has the advantages of good stability, high strength, and large specific surface area. It is widely used in biomedicine, energy storage, hydrogen storage, and catalysis. It exhibits excellent performance, and its carbon cage structure can also be used to wrap different metal atoms or metal atom clusters, which can further expand the application of fullerenes. However, due to the poor hydrophilicity of the fullerene bulk structure, it can only be dissolved in some organic solvents, but not in water, so it cannot be directly applied to biological systems. Therefore, it is necessary to modify ...

Claims

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Application Information

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IPC IPC(8): C01B32/156
CPCC01P2002/84C01P2004/03C01P2004/61C01P2004/62C01P2004/80
Inventor 王春儒于童甄明明
Owner INST OF CHEM CHINESE ACAD OF SCI
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