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Method for preparing magneto-optic difunctional CNT/Fe304@SiO2 (FITC) (Fluorescein Isothiocyanate) one-dimensional nano composite material

A nano-composite material and dual-function technology, which is applied in the direction of luminescent materials, inorganic material magnetism, chemical instruments and methods, etc., can solve the problems of no luminous performance, etc., and achieve good response, convenient operation, and high luminous intensity.

Inactive Publication Date: 2011-05-18
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

CNT / Fe 3 o 4 Nanocomposites are only magnetic and have no luminescent properties

Method used

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  • Method for preparing magneto-optic difunctional CNT/Fe304@SiO2 (FITC) (Fluorescein Isothiocyanate) one-dimensional nano composite material
  • Method for preparing magneto-optic difunctional CNT/Fe304@SiO2 (FITC) (Fluorescein Isothiocyanate) one-dimensional nano composite material
  • Method for preparing magneto-optic difunctional CNT/Fe304@SiO2 (FITC) (Fluorescein Isothiocyanate) one-dimensional nano composite material

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specific Embodiment approach 1

[0007] Specific implementation mode 1: In this implementation mode, the magneto-optic bifunctional CNT / Fe 3 o 4 @SiO 2 The preparation method of (FITC) one-dimensional nanocomposite material is to carry out according to the following steps: 1. Weigh 150mg of multi-walled carbon nanotubes, 50-100mg of iron acetylacetonate and 25mL of triethylene glycol, mix them, and then ultrasonically disperse them until they are uniform. 100-200mL / min gas flow rate into the argon for 5 minutes, then heated to the boiling point of triethylene glycol (278 ℃) at a temperature increase rate of 5 ℃ / min reflux 30-60 min, cooled and washed with absolute ethanol 4 times, magnetic separation , and dry to get CNT / Fe 3 o 4 ; 2. Take 10 mg of fluorescein isothiocyanate molecule, 0.5-2 mL of APS silane coupling agent and 8 mL of absolute ethanol, mix them, and stir for 12 hours under the protection of Ar gas in the dark to obtain APS-FITC, and put it in a refrigerator at 3 °C 3. Take 20 mg of CNT / F...

specific Embodiment approach 2

[0008] Embodiment 2: The difference between this embodiment and Embodiment 1 is that the power used for the ultrasonic dispersion in Step 1 is 150W, and the ultrasonic dispersion requires 10 minutes. Other steps and parameters are the same as in the first embodiment.

specific Embodiment approach 3

[0009] Embodiment 3: The difference between this embodiment and Embodiment 1 or 2 is that the drying time in step 1 is 10 hours and the drying temperature is 45°C. Other steps and parameters are the same as those in Embodiment 1 or Embodiment 2.

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Abstract

The invention relates to a method for preparing a magneto-optic difunctional CNT / Fe304@SiO2(FITC) (Fluorescein Isothiocyanate) one-dimensional nano composite material. The method comprises the following steps of: 1. preparing CNT / Fe304; 2. preparing APS (3-Aminopropyl-Trimethoxysilane)-FITC; and 3. preparing the CNT / Fe304@SiO2(FITC) composite material. The prepared magneto-optic difunctional CNT / Fe304@SiO2(FITC) one-dimensional nano composite material is applied to the aspects of targeted visible medicine carrying, preoperative diagnosis, intraoperative treatment and photoelectric device assembling.

Description

technical field [0001] The present invention relates to a kind of CNT / Fe 3 o 4 @SiO 2 (FITC) preparation method of one-dimensional nanocomposite materials. Background technique [0002] Carbon nanotubes have excellent mechanical and electrical properties and one-dimensional nanostructures, and have broad application prospects in nanoelectronic devices, composite reinforcement phases, energy materials, and biomedical fields. Iron ferric oxide nanoparticles have excellent magnetic properties and good biocompatibility, and can be used for targeted drug delivery, cancer hyperthermia, and magnetic resonance imaging. At present, some researchers have assembled Fe on CNT 3 o 4 Nanoparticles, prepared into magnetorheological fluids, electrode materials, targeted drug carriers, etc. CNT / Fe 3 o 4 Nanocomposites are only magnetic and have no luminescent properties. Contents of the invention [0003] The purpose of the present invention is to provide magneto-optical bifunctio...

Claims

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Application Information

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IPC IPC(8): C09K11/06H01F1/10A61K47/20A61K47/02A61K47/04A61K49/00
Inventor 隋解和李静蔡伟
Owner HARBIN INST OF TECH
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