Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

A method for preparing gold nanoparticles by utilizing Panax notoginseng extract

A nanoparticle and extraction liquid technology, applied in the field of materials science, can solve the problems of complex process of gold nanoparticles and easy environmental pollution, and achieve the effect of remarkable technological progress, environmental friendliness and low price.

Active Publication Date: 2021-02-19
UNIV OF SHANGHAI FOR SCI & TECH
View PDF6 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the above-mentioned technical problems in the prior art, the invention provides a kind of method that utilizes Radix Notoginseng extract to prepare gold nanoparticles, and the described method of utilizing Radix Notoginseng extract to prepare gold nanoparticles will solve the problems in the prior art. The process of preparing gold nanoparticles is complex and easy to pollute the technical problems of the environment

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A method for preparing gold nanoparticles by utilizing Panax notoginseng extract
  • A method for preparing gold nanoparticles by utilizing Panax notoginseng extract
  • A method for preparing gold nanoparticles by utilizing Panax notoginseng extract

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] (1) Wash the glass container used with deionized water;

[0031] (2) Put 10 mL of Panax notoginseng extract and 15 mL of deionized water into the flask, then add 200 μL of sodium hydroxide solution and heat to boiling for 5 minutes;

[0032] (3) Add 100 μL of 0.1 mol / L chloroauric acid solution to the flask, test the pH value to 5.75, and react under boiling conditions for 2 minutes, 5 minutes, 10 minutes, 15 minutes, and 20 minutes and then take samples. Sample photos such as figure 1 .

[0033] (4) The samples obtained after different reaction times were centrifuged at 8000 rpm for 10 minutes, and the obtained precipitate was dried at 40-50° C. for 10 minutes to obtain gold nanoparticles.

[0034] figure 2 In order to use the UV-2600 UV spectrophotometer of Shimadzu Corporation of Japan to centrifuge the samples obtained from the above reaction for 2 minutes, 5 minutes, 10 minutes, 15 minutes and 20 minutes to measure their UV-Vis absorption spectrum (UV-Vis.) Fig...

Embodiment 2

[0038] (1) Wash the glass container used with deionized water;

[0039] (2) Put 10 mL of Panax notoginseng extract and 15 mL of deionized water into the flask, then add 100 μL of sodium hydroxide solution and heat to boiling, and let it boil for 10 minutes;

[0040] (3) Add 100 μL of chloroauric acid solution to the flask, test the pH value of 5.25, and react under boiling conditions for 2 minutes, 5 minutes, 10 minutes, 15 minutes, and 20 minutes and then take samples. Sample photos such as Figure 5 .

[0041] (4) The samples obtained after different reaction times were centrifuged at 8000 rpm for 10 minutes, and the obtained precipitate was dried at 40-50° C. for 10 minutes to obtain gold nanoparticles.

[0042] Image 6 In order to use the UV-2600 UV spectrophotometer of Shimadzu Corporation of Japan to centrifuge the samples obtained from the above reaction for 2 minutes, 5 minutes, 10 minutes, 15 minutes and 20 minutes to measure their UV-Vis absorption spectrum (UV-V...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
particle sizeaaaaaaaaaa
diameteraaaaaaaaaa
diameteraaaaaaaaaa
Login to View More

Abstract

The invention provides a method for preparing gold nanoparticles by using the Panax notoginseng extract, adding the Panax notoginseng into deionized water, heating to boiling and centrifuging to obtain a 0.4-1.0mol / L Panax notoginseng extract; Dissolve in deionized water to form a 0.05-0.15mol / L chloroauric acid solution; dissolve sodium hydroxide crystals in deionized water to form a 0.01-0.02mol / L sodium hydroxide solution; heat the Panax notoginseng extract to boiling, and Chlorauric acid solution is added to the boiling Panax notoginseng extract, followed by sodium hydroxide solution to keep the pH value of the reaction system between 5.0-6.0. After the reaction is completed, the obtained reaction solution is centrifuged and dried to obtain gold nanoparticles. . The preparation method of the invention adopts simple equipment, convenient operation, convenient and easy-to-obtain panax notoginseng extract, low price and no toxicity, and the prepared gold nanoparticles can be applied in the field of biomedicine.

Description

technical field [0001] The invention belongs to the field of materials science, and relates to a nanomaterial, in particular to a method for preparing gold nanoparticles by using a Panax notoginseng extract. Background technique [0002] In recent years, noble metal nanoparticles have increasingly become the commanding heights of high-tech competition due to their unique properties, and play a very important role in many fields. Among them, gold nanoparticles are one of the most stable noble metal nanomaterials, and gold nanoparticles have strong biocompatibility, which makes gold nanoparticles show extraordinary applications in the fields of catalysis, photoelectric sensing and bioimaging. prospect. [0003] At present, there are many traditional methods for preparing gold nanoparticles, which can be summarized as physical methods and chemical methods. The physical method is to make bulk (or powder) gold into nano-scale gold particles. Commonly used methods include mecha...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): B22F9/24B82Y40/00
CPCB22F9/24B82Y40/00
Inventor 孙丽吕鹏程尹跃超李浩男王法
Owner UNIV OF SHANGHAI FOR SCI & TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com