A kind of chiral manganese oxide nanoparticle and its preparation method and application

A nanoparticle and manganese oxide technology, applied in the field of material chemistry, can solve problems such as inapplicable disease treatment, and achieve the effects of flexible and adjustable intensity and frequency, enhanced ability, and wide application.

Active Publication Date: 2022-05-24
JIANGNAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this method is feasible in the buffer system and cannot be applied to the treatment of diseases in vivo

Method used

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  • A kind of chiral manganese oxide nanoparticle and its preparation method and application
  • A kind of chiral manganese oxide nanoparticle and its preparation method and application
  • A kind of chiral manganese oxide nanoparticle and its preparation method and application

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Embodiment

[0039] A kind of chiral manganese oxide nanoparticle and preparation method thereof, the concrete steps are as follows:

[0040] First configure 100mMMnCl 2 ·4H 2 O, 100mML- / D-tartaric acid solution and 50mg / mL sodium borohydride were dissolved, then 100μL MnCl 2 ·4H 2 O, 200μL- / D-tartaric acid solution and 100μL sodium borohydride solution were added to 10mL of pure water respectively, and then 1M NaOH solution was added dropwise under stirring until the pH of the solution was about 10, and the reaction was performed for 10h. The solution was light brown and remained When stable, stop stirring.

[0041] The reaction solution and isopropanol were mixed in a volume ratio of 1:4. After the solution became turbid, centrifuge at 8000rpm for 10min, remove the supernatant, then dissolve the precipitate in ultrapure water, and repeat the washing twice to remove excess unreacted reactants. The L- / D-manganese oxide nanoparticles.

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Abstract

The invention relates to a chiral manganese oxide nanoparticle, a preparation method and application thereof, and relates to the technical field of material chemistry. In the chiral manganese oxide nanoparticles described in the present invention, the chiral manganese oxide nanoparticles are obtained by reacting a manganese precursor, tartaric acid and a reducing agent under alkaline conditions; the tartaric acid is L-tartaric acid or D-tartaric acid. The chiral manganese oxide nanoparticles described in the present invention have chiral optical activity at 300-900nm, the preparation method is simple, and the applications are wide. is of great significance.

Description

technical field [0001] The invention relates to the technical field of material chemistry, in particular to a chiral manganese oxide nanoparticle and a preparation method and application thereof. Background technique [0002] Chirality refers to an asymmetric configuration, a natural property of molecules and biological systems. Organisms contain a large number of chiral structures, which affect asymmetric biochemical reactions with various physiological effects and play a crucial role in disease treatment and drug production. When the material shrinks to the nanoscale, that is, after the nanomaterial is formed, it has the characteristics of high specific surface area and electronic confinement, and exhibits unique properties in chemistry, catalysis, optics, electronics, and magnetism. Chiral nanostructures are highly similar to biological macromolecules in terms of size, composition and morphology. Therefore, inorganic chiral nanostructures can regulate the metabolic proc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01G45/02A61K9/00A61K33/32A61P25/16B82Y5/00B82Y40/00
CPCC01G45/02A61K33/32A61K9/0009A61P25/16B82Y5/00B82Y40/00C01P2004/64C01P2004/62C01P2004/04
Inventor 孙茂忠徐卓佳胥传来匡华徐丽广马伟吴晓玲郝昌龙刘丽强宋珊珊吴爱红胡拥明
Owner JIANGNAN UNIV
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