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Preparation method of nano motor of complex structure

A complex and nanotechnology, applied in the field of preparation of nanomotors with complex configurations, can solve problems such as poor carrying capacity, inability to carry large quantities of drugs, and difficulty in preparing hollow nanomotors, achieving high accuracy, suppressing Brownian motion, and processing convenient effect

Inactive Publication Date: 2019-07-12
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this type of preparation method is difficult to prepare hollow nanomotors, and cannot carry a large amount of drugs, and the carrying capacity is poor.
The application date is November 27, 2017, and the patent application number is 201711210007.6 discloses a method for preparing a self-driven polyamino acid micro-nano motor. The method is based on the template electropolymerization method, and the preparation is simple, and the prepared nano The motor has the characteristics of good biocompatibility and high biodegradability, but this method is only suitable for the preparation of nanomotors made of polyamino acid, and its structure is relatively simple, mostly linear

Method used

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  • Preparation method of nano motor of complex structure
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  • Preparation method of nano motor of complex structure

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Embodiment 1

[0027] A method for preparing a complex configuration nanomotor: comprising the following steps:

[0028] (1) Preparation of sound control platform: such as figure 1 As shown, the acoustic control platform is composed of a driving board 1, a piezoelectric transducer 2, and a microscale array structure 3; wherein, the driving board 1 is made of a highly transparent glass substrate with a length of 25 mm, a width of 15 mm, and a thickness of 1 mm. A micro-scale array structure 3 is fixed on one side; the piezoelectric transducer 2 is made of a piezoelectric ceramic sheet made of lead zirconate titanate. The same end of the scale array structure 3 is used to convert electrical energy into mechanical energy; the array structure 1 is a circular table configuration with a diameter of 10 μm and a height of 2 μm. It uses photosensitive adhesive AZ5214 as the substrate and is processed by photolithographic micromachining. Then use magnetron sputtering to form a silicon dioxide protect...

Embodiment 2

[0034] A method for preparing a complex configuration nanomotor: comprising the following steps:

[0035] (1) Preparation of sound control platform: such as figure 1As shown, the acoustic control platform is composed of a driving board 1, a piezoelectric transducer 2, and a microscale array structure 3; wherein, the driving board 1 is made of a highly transparent glass substrate with a length of 25 mm, a width of 15 mm, and a thickness of 1 mm. A micro-scale array structure 3 is fixed on one side; the piezoelectric transducer 2 is made of a piezoelectric ceramic sheet made of lead zirconate titanate. The same end of the scale array structure 3 is used to convert electrical energy into mechanical energy; the array structure 1 is a linear convex-table configuration with a line width of 10 μm and a height of 2 μm. It uses photosensitive adhesive AZ5214 as the substrate and is processed by photolithography micromachining. Formed, and then use magnetron sputtering to form a 100nm ...

Embodiment 3

[0041] A method for preparing a complex configuration nanomotor: comprising the following steps:

[0042] (1) Preparation of sound control platform: such as figure 1 As shown, the acoustic control platform is composed of a driving board 1, a piezoelectric transducer 2, and a microscale array structure 3; wherein, the driving board 1 adopts a highly transparent silicon substrate with a length of 25 mm, a width of 15 mm, and a thickness of 1 mm. A micro-scale array structure 3 is fixed on one side; the piezoelectric transducer 2 is made of a piezoelectric ceramic sheet made of lead zirconate titanate. The same end of the scale array structure 3 is used to convert electrical energy into mechanical energy; the array structure 1 is a square boss configuration with a side length of 20 μm and a height of 5 μm. It uses photosensitive adhesive S1813 as the substrate and is processed by photolithographic micromachining. , and then use magnetron sputtering to form a 150nm thick silicon ...

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Abstract

The invention discloses a preparation method of a nano motor of a complex structure and belongs to the nano technical field. By applying ultrasonic treatment as an auxiliary preparation means, a driving plate drives a liquid to flow to generate a local flow field near a special array structure to capture near spheres which are assembled around the array structure. The structure of the prepared nano motor is primarily dependent on micro-scaled array structure which is processed by means of a photoetching technique, so that the nano motor has the characteristics of being high in precision, convenient to process and stable in structure. A customized design can be conducted according to the demands on material and working mode of the nano spheres.

Description

technical field [0001] The invention belongs to the field of nanotechnology, and in particular relates to a preparation method of a complex configuration nanomotor. Background technique [0002] Nanomotors refer to nanosystems that can convert chemical energy, light energy, sound energy, or other forms of energy into mechanical motion and complete complex tasks, and are often called nanorobots. It is essentially different from the traditional colloidal particles that are in thermodynamic equilibrium and only perform Brownian motion. Their movement and interaction can be compared to cells or bacteria in nature, so they are considered to be a new type of biomimetic smart materials and have attracted widespread attention. In recent years, nanomotors have gradually become one of the research hotspots and difficulties in related fields such as nanotechnology. Preliminary studies have shown that nanomotor research is expected to achieve revolutionary breakthroughs in the fields ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B82Y30/00B82Y40/00
CPCB82Y30/00B82Y40/00
Inventor 芦小龙沈晖赵康东王志文
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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