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Synthetic method for chiral copper oxide nanoparticles

A technology of nanoparticle and synthesis method, which is applied in the synthesis field of chiral copper oxide nanoparticles, and achieves a wide range of biological application prospects and the effect of stabilization of chiral copper oxide nanoparticles

Active Publication Date: 2018-12-18
JIANGNAN UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The synthesis method of nanoscale chiral copper oxide nanoparticles has not been reported yet

Method used

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  • Synthetic method for chiral copper oxide nanoparticles
  • Synthetic method for chiral copper oxide nanoparticles
  • Synthetic method for chiral copper oxide nanoparticles

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Effect test

Embodiment 1

[0021] Embodiment 1 Penicillamine is the synthetic method of the chiral copper oxide nanoparticles of ligand

[0022] The specific steps are:

[0023] (1) Synthesis of copper oxide precursor: first, in 5mL ultrapure water system, first add 3mL ultrapure water, and then add 0.2mol / L copper chloride (CuCl 2 ) mixed with 0.1mol / L sodium hydroxide (NaOH) solution at a molar ratio of copper chloride: sodium hydroxide 4:5, and mixed evenly to form a copper oxide precursor;

[0024] (2) Synthesis of chiral copper oxide nanoparticles with penicillamine as ligand: Add trisodium citrate, copper chloride and trisodium citrate in moles to the colloidal copper oxide precursor synthesized in step (1) The ratio is 1:1 (CuCl 2 :NaCit=1:1), after mixing evenly, the colloidal solution gradually becomes clear, after clarification, add penicillamine (Pen) at a molar ratio of 1:1, after mixing evenly, immediately add fresh sodium borohydride solution (molar Ratio: NaBH 4 :CuCl 2 =5:4), the co...

Embodiment 2

[0026] Example 2 Synthesis method of chiral copper oxide nanoparticles with phenylalanine-cysteine ​​as ligand

[0027] The specific steps are:

[0028] (1) Synthesis of copper oxide precursor: first, in 5mL ultrapure water system, first add 3mL ultrapure water, 0.2mol / L copper chloride (CuCl 2 ) mixed with 0.1mol / L sodium hydroxide (NaOH) solution at a molar ratio of copper chloride: sodium hydroxide 4:5, and mixed evenly to form a copper oxide precursor;

[0029] (2) Synthesis of chiral copper oxide nanoparticles with phenylalanine-cysteine ​​as ligand: Add trisodium citrate (copper chloride and lemon Molar ratio of trisodium acid: CuCl 2 :NaCit=1:1), after mixing, the colloidal solution gradually becomes clear, after clarification, add phenylalanine-cysteine ​​(Phe-Cys) at a molar ratio of 1:1 and mix well, then add fresh Sodium borohydride solution (molar ratio: NaBH 4 :CuCl 2 =5:4), after mixing evenly, the color of the solution turns dark brown. When the color of th...

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Abstract

The invention provides a synthetic method for chiral copper oxide nanoparticles, belonging to the technical field of synthetic chemistry. According to the invention, a reducing agent and chiral molecules act on a copper oxide precursor under a non-hydrothermal mild condition so as to form a monodisperse nano-sized copper oxide particle. The synthetic method comprises the following main steps: thesynthesis of the copper oxide precursor; and the synthesis of chiral copper oxide nanoparticles with different ligands. The synthetic method of the invention solves problems in the synthesis of chiralcopper oxide nanoparticles under non-organic-phase and non-hydrothermal conditions, and develops the synthetic technology for nano-scale chiral copper oxide nanoparticles with regular morphology. Inaddition, the synthesized chiral copper oxide nanoparticles are very stable and have broad biological application prospects.

Description

technical field [0001] The invention relates to a method for synthesizing chiral copper oxide nanoparticles, which belongs to the technical field of synthetic chemistry. Background technique [0002] Chirality comes from the inability of matter and its mirror image to overlap, which is a basic attribute of nature. The living body is also a chiral environment. The basic unit of amino acids in proteins in living bodies is D-type. Therefore, the study of chiral substances is of great significance to living bodies. . As we all know, metal oxides play an important role in the field of catalysis, especially transition metal oxides, which are more and more widely used in solar cells, electrocatalysis and other fields. Therefore, it is very meaningful to study chiral transition metal oxides to develop a kind of chiral catalysis in vivo. The synthesis method of nanoscale chiral copper oxide nanoparticles has not been reported yet. Contents of the invention [0003] The purpose o...

Claims

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Application Information

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IPC IPC(8): C01G3/02B82Y30/00C07K5/065C07K1/107
CPCB82Y30/00C01G3/02C01P2004/64C07K5/06078
Inventor 匡华高锐胥传来徐丽广刘丽强吴晓玲朱建平宋珊珊胡拥明
Owner JIANGNAN UNIV
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