CN107934912A - A kind of micro-nano driver of bionical paramecium - Google Patents
A kind of micro-nano driver of bionical paramecium Download PDFInfo
- Publication number
- CN107934912A CN107934912A CN201711288359.3A CN201711288359A CN107934912A CN 107934912 A CN107934912 A CN 107934912A CN 201711288359 A CN201711288359 A CN 201711288359A CN 107934912 A CN107934912 A CN 107934912A
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- China
- Prior art keywords
- cobalt
- micro
- paramecium
- nano
- ptfe
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81C—PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS
- B81C1/00—Manufacture or treatment of devices or systems in or on a substrate
- B81C1/00349—Creating layers of material on a substrate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81B—MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
- B81B2201/00—Specific applications of microelectromechanical systems
- B81B2201/03—Microengines and actuators
- B81B2201/038—Microengines and actuators not provided for in B81B2201/031 - B81B2201/037
Abstract
The present invention relates to a kind of micro-nano driver of bionical paramecium, including positioned at middle polytetrafluoroethylene (PTFE) substrate, on the two sides of polytetrafluoroethylene (PTFE) substrate, cobalt-based bottom is connected with by conductive silver paste respectively, on the surface at two cobalt-based bottoms, is distributed with cobalt nanowire array.
Description
Technical field
The invention is related to micro-nano robot field, more particularly to the bionical micro-nano field of drivers of field drives.
Background technology
Micro-nano robot refers to small scale robot of the scale in micro-nano rank (several nanometers to hundreds of microns), in life
There is a very important potential application in the field such as thing medicine and environmental protection, such as available for micro-wound surgical operation, targeted therapy, thin
Born of the same parents' operation, heavy metal analysis, contaminant degradation etc., therefore it is subject to the extensive concern of domestic and international researcher, quickly grow in recent years.
Compared to traditional heavy-duty machines people, the working environment of micro-nano robot is located at the very low environment of Reynolds number
In, object can be regarded as to move in a very viscous, small and slow environment, and viscous force accounts for leading role, inertia force
Then it can be neglected.Under these conditions, if wanting to drive micro-nano robot, it is necessary to continuously provide power for it.But
Due to its small size, power source such as battery, engine are difficult to be loaded in micro-nano robot, therefore, various
Micro-nano robotically-driven mode be suggested, it is including self-driven (from electrophoresis driving, self-diffusion swimming driving, from thermophoresis driving, gas
The modes such as bubble driving) and outfield driving (magnetic field, sound field and optical drive).Since field drives mode magnetic field intensity is relatively low, and
Low frequency magnetic field can penetrate biological tissue and harmless to organism, become the most promising driving of micro-nano robot field
One of mode.Therefore, how to prepare under relatively low Reynolds number environment, be easy to the driving of micro-nano robot being driven and controlled
Device becomes the emphasis of research.
The content of the invention
It can be easy to be driven and controlled by external magnetic field under low Reynolds number environment the object of the present invention is to provide one kind
Micro-nano driver.The present invention is prepared similar with paramecium ciliary structures and motion mode according to the motion principle of paramecium
Nanowire array structure, as micro-nano driver.Technical solution is as follows：
A kind of micro-nano driver of bionical paramecium, including positioned at middle polytetrafluoroethylene (PTFE) substrate, in polytetrafluoroethylene (PTFE)
The two sides of substrate, is connected with cobalt-based bottom by conductive silver paste respectively, on the surface at two cobalt-based bottoms, is distributed with cobalt nanowire battle array
Row.
Compared with prior art, which is easy to be driven and controlled by external electromagnetic field under low Reynolds number environment
System, has expanded micro-nano driver in biomedical and field of environment protection application range.
Brief description of the drawings
In order to make the content of the present invention more clearly understood, the specific embodiment below according to the present invention and combination
Attached drawing, the present invention is described in further detail, wherein：
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is unicellular organism paramecium cilium schematic diagram.
Reference numeral：101- cobalt-baseds bottom；102- conductive silver pastes；103- polytetrafluoroethylene (PTFE) substrates；104- cobalt nanowires；201-
Paramecium cilium；202- paramecium bodies.
Embodiment
The solution of the present invention thinking source is the research to unicellular organism paramecium motion principle.The body table of paramecium
Face covers a large amount of diameters in nano level cilium, and paramecium relies on the swing of these ciliums to advance, while these ciliums also may be used
To help paramecium to avoid the adhesion of pollutant in environment.
The present invention provides one kind can be under low Reynolds number environment, and the micro-nano for being easy to be driven and controlled by external magnetic field drives
Dynamic device and preparation method thereof, including step：
(1) cleaning of polytetrafluoroethylene (PTFE) substrate and copper sheet substrate：Need to use 200mL deionizations successively before use
Water, 100mL acetone, 100mL absolute ethyl alcohols and 200mL deionized waters are to polytetrafluoroethylene (PTFE) substrate (length of side 20mm) and red copper chip base
(length of side 20mm) is cleaned at bottom, spare in 30 DEG C of low temperature dryings afterwards.
(2) preparation of working electrode：Suitable martial virtue alloy (70 DEG C of fusing point) is placed on copper sheet, is put into baking oven jointly
In be heated to its fusing point (70 DEG C), continue under this temperature environment, it is using quartz glass edge that martial virtue alloy-coated is uniform, so
Porous polycarbonate template (circular, aperture 200nm, diameter 19mm) is overlying on martial virtue alloy upper surface afterwards, while described in guarantee
Porous polycarbonate template has good contact with the martial virtue alloy, and the lower surface of porous polycarbonate template can be by the martial virtue
Alloy all covers.Take a fine copper wire (diameter 0.8mm), one end connection copper sheet back side, other end connection electrode folder.Utilize
Epoxide-resin glue coats the copper sheet back side and side, ensures that cobalt ions can only deposit in porous polycarbonate form plate hole.
(3) the hole wetting of porous polycarbonate template：Working electrode is placed in the electrolyte of the quartzy electrolytic cell,
3min is stirred to electrolyte using magnetic agitation instrument, the cobalt ions in the electrolyte is entered porous polycarbonate template
Among hole.
(4) preparation at cobalt nanowire 104 and cobalt-based bottom 101：The composition of electrolyte is：The CoSO of 0.63M/L4 7H2O with
The H of 0.65M/L3BO3, while adjust pH value of solution=3 using H2SO4.Two electrode systems are to put platinized platinum to electrode and working electrode
In quartzy cell bath, two electrodes are connected to power supply, and power supply can provide " simple alternating current+constant voltage DC biasing ", " perseverance
The output mode such as straightening stream " and " pulse direct current ".Using digital multimeter to monitor the situation of change of deposition current, when cobalt nanometer
After the completion of line deposits in hole, it may proceed to deposit in the porous polycarbonate template upper surface, deposition current can go out at this time
Now rise to.Therefore the deposition of nano wire can be learnt from the situation of change of deposition current.When cobalt nanowire 104 has overflowed
After the porous polycarbonate form plate hole starts to deposit, and connection forms the cobalt-based bottom 101 between each other, it is straight to continue deposition
Stop deposition after reaching 5 microns to 101 thickness of cobalt-based bottom.
(5) transfer at nano wire 104 and cobalt-based bottom 101：By the cobalt nanowire 104 after the completion of deposition and cobalt-based bottom 101 from
Taken out in electrolyte, after low temperature drying, 101 side of cobalt-based bottom is coated into a small amount of conductive silver paste, by the ptfe substrate
Be placed in above conductive silver paste, place at normal temperatures 12 it is small when after cobalt-based bottom 101 be connected firmly with ptfe substrate, in acquisition
Between combining structure.
(6) remove copper sheet and remove porous polycarbonate template：Above-mentioned intermediate combination structure is put into equipped with 300mL water
Beaker in, 70 DEG C of water-bath heating is carried out to middle combining structure, until the copper sheet for being covered with martial virtue alloy comes off, is obtained final
Combining structure.The final combining structure is placed in 100mL dichloromethane, washout porous polycarbonate template, described in acquisition
The integrative-structure that cobalt nanowire, the cobalt-based bottom, the conductive silver paste and the ptfe substrate are linked as, forms side
Ptfe substrate and cobalt nanowire array.
(7) combined with polytetrafluoroethylene (PTFE) substrate 103：Forming the ptfe substrate and cobalt nanowire array of side
Afterwards, the preparation method of opposite side is identical, forms the two-sided cobalt nanowire array based on ptfe substrate.
(8) by laser cutting, two-sided cobalt nanowire array is cut into the rectangle of 800um × 200um, it is final to obtain
Multiple magnetism micro-nano drivers.
Claims (1)
1. a kind of micro-nano driver of bionical paramecium, including positioned at middle polytetrafluoroethylene (PTFE) substrate, in PTFE base
The two sides at bottom, is connected with cobalt-based bottom by conductive silver paste respectively.On the surface at two cobalt-based bottoms, cobalt nanowire battle array is distributed with
Row.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711288359.3A CN107934912A (en) | 2017-12-07 | 2017-12-07 | A kind of micro-nano driver of bionical paramecium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711288359.3A CN107934912A (en) | 2017-12-07 | 2017-12-07 | A kind of micro-nano driver of bionical paramecium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107934912A true CN107934912A (en) | 2018-04-20 |
Family
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| CN201711288359.3A Pending CN107934912A (en) | 2017-12-07 | 2017-12-07 | A kind of micro-nano driver of bionical paramecium |
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| KR20140062365A (en) * | 2012-11-14 | 2014-05-23 | 한국과학기술연구원 | Nanowires thin film, nanowire, and method of fabricating nanowires thin film by physical vapor deposition |
| CN105881492A (en) * | 2016-06-01 | 2016-08-24 | 苏州大学 | Magnetic force micro robot with multiple cilia, and manufacturing method and control system of magnetic force micro robot |
| US9610580B2 (en) * | 2013-06-03 | 2017-04-04 | Massachusetts Institute Of Technology | Magnetically tunable microstructured surfaces |
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| KR20170083012A (en) * | 2017-07-07 | 2017-07-17 | 서울대학교산학협력단 | Actuator and method for manufacturing same, and robot |
| US20170336272A1 (en) * | 2014-10-31 | 2017-11-23 | King Abdullah University Of Science And Technology | Magnetic nanocomposite sensor |
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2017
- 2017-12-07 CN CN201711288359.3A patent/CN107934912A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103098263A (en) * | 2010-09-09 | 2013-05-08 | 加州理工学院 | Electrochemical energy storage systems and methods |
| EP2506325A1 (en) * | 2011-04-01 | 2012-10-03 | Bayer Material Science AG | Electromechanical converter, method for manufacture and use of same |
| CN103245990A (en) * | 2012-02-08 | 2013-08-14 | 苏州锦富新材料股份有限公司 | Novel high-permeable and high-haze easy-to-clean diffusion plate and preparation method thereof |
| CN102646745A (en) * | 2012-04-01 | 2012-08-22 | 北京大学深圳研究生院 | Photovoltaic device and solar battery |
| KR20140062365A (en) * | 2012-11-14 | 2014-05-23 | 한국과학기술연구원 | Nanowires thin film, nanowire, and method of fabricating nanowires thin film by physical vapor deposition |
| US9610580B2 (en) * | 2013-06-03 | 2017-04-04 | Massachusetts Institute Of Technology | Magnetically tunable microstructured surfaces |
| US20170336272A1 (en) * | 2014-10-31 | 2017-11-23 | King Abdullah University Of Science And Technology | Magnetic nanocomposite sensor |
| CN105881492A (en) * | 2016-06-01 | 2016-08-24 | 苏州大学 | Magnetic force micro robot with multiple cilia, and manufacturing method and control system of magnetic force micro robot |
| ES2609600A1 (en) * | 2017-01-10 | 2017-04-21 | Fundación Imdea Materiales | Multifunctional composite material (Machine-translation by Google Translate, not legally binding) |
| KR20170083012A (en) * | 2017-07-07 | 2017-07-17 | 서울대학교산학협력단 | Actuator and method for manufacturing same, and robot |
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Application publication date: 20180420 |
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