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A fe that can be used for magnetic hyperthermia 3 o 4 Preparation method of nanorod material

A technology of nanorods and thermotherapy agent, which is applied in the field of biomedical application of nanomaterials, can solve the problems of lack of magnetocaloric properties of nanorod materials, and achieve the effects of less uncontrollable factors, good magnetocaloric properties, and increased heating rate.

Active Publication Date: 2022-02-15
THE FIRST HOSPITAL OF LANZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, due to its tunable aspect ratio and strong anisotropy, nanorod materials have magnetic properties that are easy to match with other shape materials, while Fe 3 o 4 There is no corresponding literature report on the magnetocaloric properties of nanorod materials

Method used

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  • A fe that can be used for magnetic hyperthermia <sub>3</sub> o <sub>4</sub> Preparation method of nanorod material
  • A fe that can be used for magnetic hyperthermia <sub>3</sub> o <sub>4</sub> Preparation method of nanorod material
  • A fe that can be used for magnetic hyperthermia <sub>3</sub> o <sub>4</sub> Preparation method of nanorod material

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Effect test

Embodiment 1

[0027] Weighing 1.6G FECL 3 · 6h2 O and dissolved in 60 mL of deionized water, the formulated solution was transferred to a high pressure hydrothermal reactor having a volume of 100 mL. Then, the reaction kettle was placed in an oven at a temperature of 100 ° C for 4 h, naturally cooled to room temperature. The yellow precipitate obtained by the experiment was subsequently washed 3 times with ionized water and alcohol, centrifuged and dried at 60 ° C to give a yellow powder β-FeoOH, which was named FeooH-4H. Subsequently, 20 mg of beta-FeOOH powder was weighed, and they were placed in 6 ml of tripermine, and the ultrasonic cleaning washable was easily dispersed in three octamines. 200 μl of oleic acid was added to the suspension obtained after dispersion, stirred for 1 h, and then transferred to the centrifuge, and centrifuge at 7500 rpm for 5 min to obtain a glue mixture. Transfer the above mixture to a sealed high temperature tube furnace, and AR / H is introduced into the cooke...

Embodiment 2

[0030] Weighing 1.6G FECL 3 · 6h 2 O and dissolved in 60 mL of deionized water, the formulated solution was transferred to a high pressure hydrothermal reactor having a volume of 100 mL. The reactor was then placed in an oven at a temperature of 100 ° C for 10 h, naturally cooled to room temperature. The yellow precipitate obtained by the experiment was subsequently washed 3 times with ion and alcohol, centrifuged and dried under 80 ° C to give a yellow powder β-feoOH, which was named FeOH-10H. Subsequently, 20 mg of β-FeOOH powder was weighed, and they were placed in 6 mL of triperlamine, and the ultrasonic cleaning washable was easily dispersed in three octamines. 200 μl of oleic acid was added to the suspension obtained after dispersion, stirred for 2 h, and then transferred to the centrifuge, centrifugation at 7500 rpm to obtain a glue mixture. Transfer the above mixture to a sealed high temperature tube furnace, and AR / H is introduced into the cooker. 2 Mixed atmosphere (wh...

Embodiment 3

[0033] Weighing 1.6G FECL 3 · 6h 2 O and dissolved in 60 mL of deionized water, the formulated solution was transferred to a high pressure hydrothermal reactor having a volume of 100 mL. The reactor was then placed in an oven at a temperature of 100 ° C for 6 h, and naturally cooled to room temperature. The yellow precipitate obtained by the experiment was then cleaned with ionized water and alcohol, centrifugally, and dried under 60 ° C to give a yellow powder β-feoOH, which was named FeOH-6H. Subsequently, 20 mg of β-FeOOH powder was weighed, and they were placed in 6 mL of triectine, and the ultrasonic cleaning washable was solened to uniformly dispersed in three octamines. 200 μl of oleic acid was added to the suspension obtained after dispersion, stirred for 1 h, and then transferred to a centrifuge, and centrifuged at 8500 rpm to obtain a glue mixture. Transfer the above mixture to a sealed high temperature tube furnace, and AR / H is introduced into the cooker. 2 Mixed atmo...

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Abstract

The invention discloses a kind of Fe which can be applied to magnetothermotherapy agent 3 o 4 The preparation method of nanorod material, this method comprises utilizing FeCl 3 ·6H 2 Fe with nanorod shape was synthesized by hydrothermal reaction and high temperature annealing method with O as raw material 3 o 4 magnetic material. The invention has simple and convenient experimental operation, less uncontrollable factors, and can carry out large-scale preparation in a universal environment. Utilize the Fe prepared by the present invention 3 o 4 Nanorod materials have good magnetocaloric properties, which can meet the research and development of magnetothermic agents for tumors in medicine, thereby increasing the magnetothermic effect.

Description

Technical field [0001] The present invention belongs to the biomedical application of nanomaterials, and specifically, there is a FE that can be applied to magnetic heat treatment agents. 3 O 4 Preparation method of nano-bar material. Background technique [0002] In recent years, with the preparation technology of magnetic nanomaterials, the types of species are gradually rich, and the research field of this material is also expanded. In addition to the development of traditional electronic devices to magnetic storage devices, magnetic nanomaterials are currently in biological science and technology, biomedicine, etc. due to good biological safety, surface modified, special in vivo performance and unique magnetic properties. Multiple research areas are involved and show a considerable application prospect. This includes the treatment of malignant tumors as a high performance magnetic heat treatment. That is, a biomedical magnetic nanomaterial is loaded by a biomedical magnetic f...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01G49/08B82Y30/00B82Y40/00
CPCC01G49/08B82Y30/00B82Y40/00C01P2004/16C01P2004/62C01P2004/64C01P2006/42C01P2006/32
Inventor 梁晓磊杨永秀高大强
Owner THE FIRST HOSPITAL OF LANZHOU UNIV
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