Magnetic nanomaterials based on inorganic boronic acid modification and its preparation method and application

A magnetic nano and boric acid technology, applied in inorganic chemistry, chemical instruments and methods, and other chemical processes, can solve the problems of low extraction of active ingredients, long production cycle, high energy consumption, etc., and achieve good magnetic response effect

Active Publication Date: 2018-12-18
THE NAT CENT FOR NANOSCI & TECH NCNST OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In the traditional Chinese medicine industry, the most critical process is the extraction and separation of active ingredients, and traditional extraction and separation methods such as decoction, dipping, percolation, reflux, etc., commonly exist in the extraction of active ingredients is not high, impurities Many shortcomings such as low clearance rate, high energy consumption, and long production cycle directly restrict the development of the Chinese medicine industry

Method used

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  • Magnetic nanomaterials based on inorganic boronic acid modification and its preparation method and application
  • Magnetic nanomaterials based on inorganic boronic acid modification and its preparation method and application
  • Magnetic nanomaterials based on inorganic boronic acid modification and its preparation method and application

Examples

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Effect test

Embodiment 1

[0056] Will "Fe 3 o 4 —Fe 2 o 3 "Magnetic nanoparticles (0.1g) of the core-shell structure are in 100mL mass fraction of 80% ethanol solution, the water bath temperature is normal temperature 20 ℃, ultrasonic 10 minutes under 300W ultrasonic power, make its magnetic nanoparticles completely dispersed. After the particles were completely dispersed, add a certain amount of aqueous ammonia solution to it, and continue ultrasonication for 10 minutes. After the ultrasonic finish, slowly add natural boric acid (0.5g), and the temperature of the water bath is 20°C at room temperature, and the ultrasonic power is under the condition of 300W. Ultrasonic reaction for 9 hours. After the reaction, magnetic separation was used to obtain 0.15 g of magnetic nanomaterials modified based on inorganic boric acid.

[0057] Among them, the "Fe 3 o 4 —Fe 2 o 3 "The preparation method of magnetic nanoparticles with core-shell structure includes: Fe 3 o 4 Magnetic nanoparticles (1.0g) are d...

Embodiment 2-19

[0059] Prepare magnetic nanomaterials based on inorganic boric acid modification according to the method of Example 1, the difference is that natural boric acid is replaced by natural borax, metaboric acid, pyroboric acid, boric acid ester, boron oxide, sodium tetraborate, boronite, Colemanite, magnesium borate, calcium borate, zinc borate, aluminum borate, cobalt borate, nickel borate, manganese borate, rhodium borate, palladium borate calcium hexaborate, boron-containing halogen compounds.

Embodiment 20-29

[0061] Prepare magnetic nanomaterials based on inorganic boronic acid modification according to the method of Example 1, the difference is that the magnetic nanomaterials are replaced by Fe 3 o 4 , Fe 2 o 3 , FeNi(Mo), FeSi, FeAl, BaO·6Fe 2 o 3 , Sr·6Fe 2 o 3 , Pb 6Fe 2 o 3 、SrCa·6Fe 2 o 3 、LaCa·6Fe 2 o 3 .

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Abstract

The invention provides a magnetic nano-material based on inorganic boric acid modification as well as a preparation method and application of the magnetic nano-material; the magnetic nano-material is obtained by modifying a layer of inorganic boric acid or salt compounds of the inorganic boric acid on the magnetic nano-material. The magnetic nano composite material is regular in shape and uniform in distribution, has excellent magnetic responsiveness, and specific recognition capability, can be used in many fields, such as the aspects of medicine purification systems, active ingredient extraction and separation, food processing, cosmetics, chemical separation and analysis, specifically applied to the complex component systems such as traditional Chinese medicinal materials, and has potential industrial process and application value.

Description

technical field [0001] The invention relates to a magnetic nanomaterial modified by inorganic boric acid and its preparation method and application. The magnetic nanomaterial modified by inorganic boric acid is used in the extraction and separation system of cis-hydroxyl or o-hydroxyl sugar compounds in complex component systems such as Chinese medicinal materials; The invention belongs to the field of inorganic materials and analysis technology. Background technique [0002] Traditional Chinese medicine is a cure-all medicine and life-prolonging diet bestowed by nature on human beings. The basis of comprehensive treatment of traditional Chinese medicine is to use its complex and effective chemical component system. [0003] In the traditional Chinese medicine industry, the most critical process is the extraction and separation of active ingredients, and traditional extraction and separation methods such as decoction, dipping, percolation, reflux, etc., commonly exist in the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J20/06B01J20/02B01J20/28B01J20/30B01D15/08
CPCB01D15/08B01J20/0229B01J20/0248B01J20/0251B01J20/06B01J20/28004B01J20/28009
Inventor 韩宝航黄瑜
Owner THE NAT CENT FOR NANOSCI & TECH NCNST OF CHINA
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