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Preparation method of vernonia anthelmintica compound silver nanometer colloid

A technology of anthelmintic Vernonia and silver nano sol is applied in the directions of medical preparations, drug combinations, and pharmaceutical formulas containing active ingredients, which can solve the problems of inability to guarantee silver nanoparticles, numerous steps, etc., so as to enhance the efficacy and avoid the The effect of pollution

Inactive Publication Date: 2010-06-09
XINJIANG TECHN INST OF PHYSICS & CHEM CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing reports are to prepare and purify silver nanoparticles first and then disperse them for application.
There are many steps and the consistency of silver nanoparticles in the preparation and application cannot be guaranteed

Method used

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  • Preparation method of vernonia anthelmintica compound silver nanometer colloid
  • Preparation method of vernonia anthelmintica compound silver nanometer colloid

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] a. Wash the vernonia seeds 3 times with deionized water, dry in the shade, and grind until forming a uniform powder;

[0022] b. Add the powder to deionized water at a mass ratio of 1:10, heat in a water bath to boiling, then cool and filter, and separate the filtrate by high-speed centrifugation at 10,000r / min for 6 minutes, and collect the centrifugate to obtain Vernonia seed extract liquid;

[0023] c. Set the concentration to 10 -3 mol / L silver nitrate solution and vernonia seed extract were mixed at a volume ratio of 5:1, protected from light, and reacted for 2 days at room temperature to obtain the compound silver nano-sol of vernonia anthelminticus. The particle size of nanoparticles is 10-20nm;

[0024] d. Then pass the ultraviolet absorption spectrum, X-ray powder diffraction, and transmission electron microscope to give the characterization proof of the insect repellent Vernonia composite silver nano-sol obtained in step c.

Embodiment 2

[0026] a. Wash the vernonia seeds 3 times with deionized water, dry in the shade, and grind until forming a uniform powder;

[0027] b. Add the powder to deionized water at a mass ratio of 1:10, heat in a water bath until boiling, then cool and filter, and separate the filtrate by high-speed centrifugation at 11,000r / min for 7 minutes, and collect the centrifugate to obtain the insect repellent Vernonia seed extract liquid;

[0028] c. Set the concentration to 10 -3 mol / L of silver nitrate solution and Vernonia vernonia extract were mixed at a volume ratio of 3:1, protected from light, and reacted for 3 days at room temperature to obtain Vernonia compound silver nano-sol. The particle size of nanoparticles is 10-20nm;

[0029] d. It is enough to pass the ultraviolet absorption spectrum, X-ray powder diffraction, and transmission electron microscope to prove and characterize the insect repellent Vernonia composite silver nano-sol obtained in step c.

Embodiment 3

[0031] a. Wash the vernonia seeds 3 times with deionized water, dry in the shade, and grind until forming a uniform powder;

[0032] b. Add the powder to deionized water at a mass ratio of 1:10, heat in a water bath to boiling, then cool and filter, and separate the filtrate by high-speed centrifugation at 10,000r / min for 6 minutes, and collect the centrifugate to obtain Vernonia seed extract liquid;

[0033] c. Set the concentration to 10 -3 mol / L silver nitrate solution and vernonia seed extract were mixed at a volume ratio of 4:1, protected from light, and reacted for 4 days at room temperature to obtain the compound silver nano-sol of vernonia anthelminticus. The particle size of nanoparticles is 10-30nm;

[0034] d. It is enough to pass the ultraviolet absorption spectrum, X-ray powder diffraction, and transmission electron microscope to prove and characterize the insect repellent Vernonia composite silver nano-sol obtained in step c.

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Abstract

The invention relates to a preparation method of a vernonia anthelmintica compound silver nanometer colloid, comprising the following steps of: firstly preparing an extracting solution of vernonia anthelmintica; then uniformly mixing the extracting solution of the vernonia anthelmintica with a silver nitrate solution; and reacting at room temperature or by heating in water bath or adding into a sodium hydroxide solution for oscillating reaction at the room temperature so as to obtain the vernonia anthelmintica compound silver nanometer colloid. The vernonia anthelmintica compound silver nanometer colloid obtained by using the preparation method is directly used in the fields of medicine and health, compounds the functions of the heat clearing, the deswelling, the disinfestation and the tinea treatment of the vernonia anthelmintica and the characteristics of the diminish inflammation and the disinfection of silver nanometer particles and is expected to bring the enhanced drug effect for the treatment of skin diseases such as leucoderma and the like.

Description

technical field [0001] The invention relates to a preparation method of an insect-repelling vernonia composite silver nano sol. Background technique [0002] Anthelmintic Vernonia is an important medicinal plant, mainly distributed in Xinjiang and Yunnan, and artificial cultivation has been realized in Hotan County, Xinjiang. Uighur medicine has been using its seeds as medicine to treat vitiligo, and achieved very good results. Modern studies have also confirmed that Vernonia anthelmintic can improve the synthesis ability of tyrosinase and melanin by enhancing the activity of tyrosinase, so as to treat vitiligo. [0003] In recent years, with the development of nanoscience, the properties of silver nanoparticles have been extensively and deeply studied, and because of their anti-inflammatory and bactericidal properties, they have shown broad and unique application prospects in the field of medicine and health. However, the existing reports all prepare and purify silver nan...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K36/28A61K9/00A61P17/00A61K33/38
Inventor 阿吉艾克拜尔·艾萨李娟买迪娜刘永强
Owner XINJIANG TECHN INST OF PHYSICS & CHEM CHINESE ACAD OF SCI
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