Preparation and application of a functional multi-walled carbon nanotube chiral composite material
A technology of multi-walled carbon nanotubes and composite materials, applied in the preparation of functionalized multi-walled carbon nanotube chiral composite materials, electrochemical chiral recognition of tryptophan enantiomers, based on multi-walled carbon nanotubes In the field of preparation of chiral recognition materials, it can solve problems such as application limitations of MWCNTs
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[0028] The preparation and application of the functionalized multi-walled carbon nanotube chiral composite material of the present invention will be further described below through specific examples.
[0029] 1. Preparation of chiral composite materials
[0030] (1) Aminated multi-walled carbon nanotubes (NH 2 -MWCNTs) preparation: add 1 g of carboxylated multi-walled carbon nanotubes to 20 mL of ethylenediamine to disperse uniformly by ultrasonic, add 1.2 g of DCC to reflux at 80°C for 48 hours, filter the product, wash with water and ethanol to remove the residue of ethylenediamine, and obtain NH 2 - MWCNTs, vacuum dried at 60 °C.
[0031] (2) Preparation of functionalized multi-walled carbon nanotube chiral composite material MWCNTs-Fc: take 50 mg NH 2 -MWCNTs, 25 mg Fc-COOH, dissolved in 50 mL of DMF, added 50 mg DCC, mixed evenly, stirred and reacted at 50°C for 24h; the reaction product was filtered, washed with DMF to remove excess Fc-COOH, at 60°C Dry in a vacuum ov...
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