CN109125809A - To inhibit bacterial growth and promote the titanium surface and preparation method thereof of protein adherence - Google Patents

To inhibit bacterial growth and promote the titanium surface and preparation method thereof of protein adherence Download PDF

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Publication number
CN109125809A
CN109125809A CN201810951824.5A CN201810951824A CN109125809A CN 109125809 A CN109125809 A CN 109125809A CN 201810951824 A CN201810951824 A CN 201810951824A CN 109125809 A CN109125809 A CN 109125809A
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titanium
preparation
titanium sheet
bacterial growth
protein
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蒋翔
田蒙蒙
赵飞
李瞳
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South China University of Technology SCUT
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South China University of Technology SCUT
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L27/00Materials for grafts or prostheses or for coating grafts or prostheses
    • A61L27/28Materials for coating prostheses
    • A61L27/30Inorganic materials
    • A61L27/306Other specific inorganic materials not covered by A61L27/303 - A61L27/32
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L27/00Materials for grafts or prostheses or for coating grafts or prostheses
    • A61L27/50Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
    • A61L27/54Biologically active materials, e.g. therapeutic substances
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L31/00Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
    • A61L31/08Materials for coatings
    • A61L31/082Inorganic materials
    • A61L31/088Other specific inorganic materials not covered by A61L31/084 or A61L31/086
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L31/00Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
    • A61L31/14Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
    • A61L31/16Biologically active materials, e.g. therapeutic substances
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/02Anodisation
    • C25D11/26Anodisation of refractory metals or alloys based thereon
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2300/00Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
    • A61L2300/40Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices characterised by a specific therapeutic activity or mode of action
    • A61L2300/404Biocides, antimicrobial agents, antiseptic agents

Abstract

The invention discloses to inhibit bacterial growth and promote the titanium surface and preparation method thereof of protein adherence.Pass through the mask of customization various sizes and figure first, then titanium plate surface is cleaned, anodic oxidation, annealing, hydrophobization, ultraviolet lighting technology, make a kind of Nano tube array of titanium dioxide that height specification is orderly of smooth Surface Creation, while breaking forth the controllable parents surface of precision in Nano tube array of titanium dioxide glazing, one kind, which has been made, can inhibit bacterial growth, it can promote protein adherence again, while the titanium surface of regulation protein adhesion locations can be oriented again.This method can prepare the titanium sheet combined with arbitrary shape micron pattern and indefinite form nano-pattern in titanium sheet, there is inhibition bacterial growth to assign titanium sheet, promote the function of protein adherence, while the adhesion locations of regulation protein can be oriented again, offers reference for design man-made organ.

Description

To inhibit bacterial growth and promote the titanium surface and preparation method thereof of protein adherence
Technology neighborhood
The invention belongs to Bionic medicine technical fields, and in particular to inhibit bacterial growth and promote the titanium table of protein adherence Face and preparation method thereof.
Background technique
In field of biomedicine, central venous catheter and Needleless connector, endotracheal tube, intrauterine device, the mechanical heart Dirty valve, pacemaker, peritoneal dialysis catheters, Tympanostomy pipe, sounding artificial limb, orthopaedic joint prosthesis and percutaneous orthopedic dress (including external fixator and bone anchor amputation artificial limb) etc. is set, more and more artificial joint replacements change for mitigating patient's pain Philanthropists' quality of the life.
Titanium have with the good compatibility of human body cell, thus for however transplanting in the transfer operation of man-made organ The reason of operative failure is often resulted in operation is exactly that biomaterial is infected by bacterial, once bacterium is integrated to biomaterial table Face, function will change.More specifically, gene expression changes, and growth rate changes, and host defense mechanism no longer can It is enough to remove them from internal, and the biomembrane of antibiotic-resistant is formed, the development of this biomembrane is to cause many chronic senses The reason of dye.
In addition, antibiotics resistance bacterial strain with antibiotic treatment cannot be used after surface adhesion.It is common more in clinical orthopaedics Kind drug-fast bacteria includes staphylococcus aureus and staphylococcus epidermis.Accordingly, it is believed that preventing bacterial adhesion (without using medicine Object) it may be one of the best way, to reduce orthopaedics implant infection.Application number 201510024331.3 discloses a kind of table Face micro-patterning antimicrobial surface antibacterial film utilizes electron beam lithography, the removing of electron beam deposition glue, reactive ion etching, hotting mask pressure A series of micro-processing technologies such as print, production surface have polyethylene, polystyrene, the polyethylene terephthalate of micro-nano structure The materials such as vinegar, polylactic acid.Manufactured micro-nano structure includes rice font, stripe, dot matrix type, and demonstrates the film of this class formation Material has good anti-microbial property.
After environment contacts in implant and living organism, first happens is that protein is in the non-specific of implant surfaces Property absorption, be broadly divided into three processes: protein molecule in body fluid to material surface spread it is close, attach and structural rearrangement after Desorption.With the continuous deepening of research, construct on the surface of the material in recent years pattern structure (or topological structure) with observe with The interaction of protein becomes hot spot.Firstly, the pattern structure that material surface is constructed directly affects roughness and surface Product, this will provide more adsorption sites and proteins interaction;Secondly, the geometric dimension and shape of pattern can be to not It is made a significant impact with the absorption quantity of protein species and variation of conformation etc..The protein molecular of different sizes and shape It is capable of the patterning on specifically identification material surface, i.e., is selected along the width of certain geometric dimension and the groove of depth Adsorb to property.
Titanium surface TiO2The building of nanotube micro-patterning not only increases the roughness of original surface, more creates multistage Roughness, and then the adsorption capacity of protein is largely improved, in the fusion process for promoting implantation material and surrounding tissue In, titanium surface hydrophilic part is preferentially adhered to by histocyte, and hydrophobic part has good antibacterial adhesive capacity, to effectively press down The adherency growth of surrounding bacterial is made.
Prevent bacterial growth and the peculiar surface texture of promotion protein adherence from just seeming by preparing to have in titanium sheet Particularly important, the present invention is prepared on the surface of titanium sheet with strip and netted micro- by method that ultraviolet catalytic etches Patterning, compared with prior art, without expensive laboratory apparatus, micro-patterning is easily achieved, the addition of no nano antibacterial agent, Material production cost is reduced, the pattern of titanium plate surface more easily regulates and controls.Meanwhile this method is with easy to operate, preparation Rough surface, precision are high, wetability is controllable, unglazed photoresist and the advantages that developer pollution, while also can arbitrarily regulate and control surface Micropatterning, a possibility that also eliminating antimicrobial nano particle and direct body contact and be enriched in vivo, more to human body Add safe and reliable.
Summary of the invention
For overcome the deficiencies in the prior art, the object of the present invention is to provide to inhibit bacterial growth and promote protein Titanium surface of adherency and preparation method thereof.
The purpose of the present invention is achieved through the following technical solutions.
To inhibit the preparation method on the titanium surface of bacterial growth and promotion protein adherence, comprising the following steps:
(1) titanium sheet being cut into fritter, is then cleaned, is degreased under ultrasonic state with cleaning solution, taking-up is dried, spare:
(2) electrolyte is prepared: ammonium fluoride is soluble in water, glycerine is then added, is uniformly mixed, obtains electrolyte:
(3) anodic oxidation: using platinized platinum as cathode, using the cleaned titanium sheet of step (1) as anode, the electrolyte obtained by step (2) In be electrolysed:
(4) titanium sheet obtained by step (3) is placed in Muffle furnace and is annealed, obtain the TiO with photocatalytic activity2Film:
(5) by step (4), treated, and titanium sheet is soaked in hydrophobing agent, and sealing, which is protected from light, is placed on curing and drying in baking oven:
(6) by step (5), treated, and titanium sheet is placed under ultraviolet lamp, the mask made is placed in titanium sheet, illumination, is obtained To inhibit bacterial growth and promote the titanium surface of protein adherence.
Preferably, in step (1), the specification of titanium sheet is 2cm × 3.5cm × 0.2mm after shearing, and the cleaning is to select clearly Washing lotion is that acetone, ethyl alcohol, water respectively clean 15min according to this.
Preferably, the temperature of step (2) described stirring is 20-40 DEG C, time 15-30min.
Preferably, in step (3), electrolysis is carried out in 30-40 DEG C of water bath with thermostatic control, and voltage is with the speed of 0.1-0.3V/s 20-50V is risen to, 1-2h is electrolysed.
Preferably, in step (3), at a distance of 2-3cm between two electrodes when electrolysis.
Preferably, in step (4), the annealing is that Muffle furnace with the heating rate of 5-10 DEG C/min rises to 250-350 DEG C Anneal 2-3h.
Preferably, in step (5), selected hydrophobing agent is that 17 fluorine certain herbaceous plants with big flowers ethyl triethoxy silicane alkane are dissolved in n-hexane Mixed solution.
Preferably, in step (5), the temperature of the curing and drying is 100-140 DEG C, time 1-2h.
Preferably, in step (6), the time of the illumination is 3-5 minutes.
To inhibit bacterial growth and promote the titanium surface of protein adherence as made from above-described preparation method.
The present invention prepares a kind of micro- pattern nanostructure on the surface of titanium sheet, so that surface, which has, inhibits bacterial adhesion, from And a kind of antibacterial film is formed on the surface of Titanium, while also can be conducive to protein adherence on the surface thereof.Micro-patterning It is formed with photoetching process, sol-gel method, phase separation method and electrochemical method.The present invention carries out micro- figure using electrochemical method The production of case is produced the topological structure that precision is 10nm-10um on the surface of titanium, is produced by electrochemical method micro- Type structure mainly has netted and strip, makes it have the effect for inhibiting microorganism adhering and growth, while micro- pattern on surface The surface area of titanium can effectively be increased by changing structure, provide more sites for the adherency of protein, this special titanium is mainly used In in the manufacture of man-made organ, the problem of operative failure is led to due to bacterium infection is greatly reduced, itself and human body cell are promoted Compatibility.It also can be applied on medical instrument simultaneously, instrument prevented to be infected by bacterial.
The realization of the invention is mainly a series of by the cleaning of titanium plate surface, anodic oxidation, annealing, hydrophobization, photoetching etc. Step is realized, the titanium surface with micro-nano structure is prepared, which mainly includes reticular structure and strip structure, essence Degree is 10nm-10um, the wetting of optical figure on surface such as Fig. 1 a(strip structure) and Fig. 4 (reticular structure) it is shown.It is connect by bacterium Kind experiment discovery, the titanium sheet on the surface has preferable anti-microbial property, while passing through cell culture experiments, and discovery can promote significantly Into the absorption of cell.
It is exactly that can greatly increase the energy of titanium surface anti-bacterial attachment in medical domain for usefulness of the present invention Power reduces infection of the bacterium to wound in surgical procedure, reduces adherency of the bacterium to artificial skelecton tissue is moved into, promotes artifical bone Bone is organizationally efficient and human body inner tissue cell adherency, selectivity improve reacting between osteocyte and immigration artifical bone, make The integration obtained between bone and implantation material is promoted, to greatly improve the success rate of operation, while the titanium sheet energy on this surface The growth of regulating cell is oriented, therefore can also be used to the growth of observation cell, development.
Compared with prior art, the present invention has the advantage that
1, titanium surface prepared by the present invention has the ability for inhibiting bacterial growth and promoting protein adherence.
2, compared with the existing technology, required equipment is simple by the present invention, easy to operate, substantially reduces cost.
3, the present invention can the hydrophobic position of flexible modulation surface hydrophilic and size, this for orient regulating cell growth It is helpful.
Detailed description of the invention
Fig. 1 a is the top view with the moistened surface figure of striated structure.
Fig. 1 b be have the moistened surface figure of the micro- pattern of network top view (actual size of display area be 10 The mm of mm × 10).
Fig. 2 a is network exposure mask schematic diagram, and wherein p indicates adjacent lightproof area spacing, and i indicates hydrophobic mesh-like area Width.
Fig. 2 b is network exposure mask exposure mask figure.
Fig. 3 a, Fig. 3 b are the TiO of Surface Creation2The SEM of nanotube schemes.
Fig. 4 is waffle-like pattern surface drop optics top view.
Fig. 5 is the side view of the moistened surface figure of the micro- pattern of network.
Fig. 6 is process flow chart of the invention.
Specific embodiment
Specific implementation of the invention is further described below in conjunction with example and attached drawing, but embodiments of the present invention It is without being limited thereto.
Process flow chart of the invention is as shown in Figure 6.
The preparation of embodiment 1 has netted micropatterning
Before carrying out anodic oxidation to titanium sheet, by purity it is 99.9 %, shears to specification with a thickness of the bulk titanium sheet of 0.2 mm and be 2 cm×3.5 cm.Then Ti piece is successively cleaned by ultrasonic 15 min with acetone, ethyl alcohol, distilled water, degreases, takes out It dries rear spare.
The electrolyte of anodic oxidation is by glycerine, H2O (20 vol%) and NH4F (1.0 wt%) composition first will NH4F is dissolved in the water of 20 ml, and the glycerine of 80 ml is then added, and 20 min are stirred at 30 DEG C and are uniformly mixed.With The platinized platinum of the cm of 2 cm × 3 is cathode, using the pure Ti piece of the cm of 2 cm × 3.5 of cleaning as anode, forms two electrode bodies System carries out anodic oxidation, and two electrode spacings are 2 cm, and oxidation carries out in 30 DEG C of waters bath with thermostatic control.It will be electric when anodic oxidation starts Pressure is with 0.2Vs-1Speed slowly and steadily rise to 35 V, keep voltage 1.5h.
The unformed TiO that anodic oxidation obtains2 Layer does not have photocatalytic activity.Therefore, it is necessary to by unformed TiO2 By Annealing Crystallization forms the Anatase TiO with photocatalytic activity2.There to be TiO2The titanium sheet of film is placed in chamber type electric resistance furnace In anneal, heating rate be 7.5 DEG C of min-1, anneal 1.5h at 300 DEG C, then natural cooling.Had at this time There is photocatalytic activity TiO2The titanium sheet of film.
0.1mlFAS-17 is dissolved in 12ml n-hexane, the TiO containing anatase after taking annealing2The titanium sheet of film is soaked in In solution, sealing is protected from light 2h.Titanium sheet is then placed in solidification in 120 DEG C of baking oven, dry 1.5 h.
It opens ultraviolet lamp to cover netted mask in Ti on piece after light stability, and is exposed to UV intensity and is 20mw/cm2Ultraviolet lamp under 3min by photoetching just obtain the patterned surface with mixed wettability, the pattern on surface Change the resolution ratio that resolution ratio depends on mask, this experiment is prepared patterned having a size of 3um, the design drawing of mask such as attached drawing 2a With shown in 2b, Fig. 2 a is mask hydrophobe dimensional drawing, and i is the distance at hydrophobic interval, and p is the distance between two hydrophobic lattices. Naked eyes can not tell the pattern on the surface, but display after being soaked with water, (the vertical view after wetting as shown in Figure 1 b Figure).
The preparation of embodiment 2 has netted micropatterning
First be 99.9 % by purity, with a thickness of the bulk titanium sheet of 0.2 mm, to shear to specification be the cm of 2 cm × 3.5.According to It is secondary that Ti piece is cleaned by ultrasonic 15 min with acetone, ethyl alcohol, distilled water, it degreases, taking-up is dried rear spare.
The electrolyte of anodic oxidation is by glycerine, H2O (20 vol%) and NH4F (1.0 wt%) composition first will NH4F is dissolved in the water of 20 ml, and the glycerine of 80 ml is then added, and 20 min are stirred at 30 DEG C and are uniformly mixed.With The platinized platinum of the cm of 2 cm × 3 is cathode, and using the pure Ti piece of the cm of 2 cm × 3.5 of cleaning as anode, two electrode spacings are 3 cm are carried out in 40 DEG C of waters bath with thermostatic control.By voltage with 0.3Vs-1Speed slowly and steadily rise to 50V, keep voltage 1.5h。
There to be TiO2The titanium sheet of film, which is placed in chamber type electric resistance furnace, anneals, and heating rate is 10 DEG C of min-1, Anneal 1.5h at 350 DEG C, then natural cooling.It obtains with photocatalytic activity TiO2The titanium sheet of film.
0.1mlFAS-17 is dissolved in 12ml n-hexane, the TiO containing anatase after taking annealing2The titanium sheet of film is soaked in In solution, sealing is protected from light 4h.Titanium sheet is then placed in solidification in 140 DEG C of baking oven, dry 2h.
It opens ultraviolet lamp to cover netted mask in Ti on piece after light stability, and is exposed to UV intensity and is 20mw/ cm2Ultraviolet lamp under 3 min by photoetching just obtain the patterned surface with mixed wettability, the figure on surface Case resolution ratio depends on the resolution ratio of mask, this experiment is prepared patterned having a size of 3um, the design drawing of mask such as attached drawing Shown in 2a and 2b, Fig. 2 a be mask hydrophobe dimensional drawing, i be hydrophobic interval distance, p between two hydrophobic lattices away from From.Naked eyes can not tell the pattern on the surface, but display after being soaked with water, as shown in Figure 4.Fig. 5 is after soaking Side view.
The preparation of embodiment 3 has the micropatterning of strip
First be 99.9 % by purity, with a thickness of the bulk titanium sheet of 0.2 mm, to shear to specification be the cm of 2 cm × 3.5.According to It is secondary that Ti piece is cleaned by ultrasonic 15 min with acetone, ethyl alcohol, distilled water, it degreases, taking-up is dried rear spare.
The electrolyte of anodic oxidation is by glycerine, H2O (20 vol%) and NH4F (1.0 wt%) composition first will NH4F is dissolved in the water of 20 ml, and the glycerine of 80 ml is then added, and 30 min are stirred at 40 DEG C and are uniformly mixed.With The platinized platinum of the cm of 2 cm × 3 is cathode, and using the pure Ti piece of the cm of 2 cm × 3.5 of cleaning as anode, two electrode spacings are 2cm is carried out in 40 DEG C of waters bath with thermostatic control.By voltage with 0.1Vs-1Speed slowly and steadily rise to 20 V, keep voltage 1h。
There to be TiO2The titanium sheet of film, which is placed in chamber type electric resistance furnace, anneals, and heating rate is 5 DEG C of min-1, Anneal 1h at 250 DEG C, then natural cooling.It obtains with photocatalytic activity TiO2The titanium sheet of film.
0.1mlFAS-17 is dissolved in 12ml n-hexane, the TiO containing anatase after taking annealing2The titanium sheet of film is soaked in In solution, sealing is protected from light 1h.Titanium sheet is then placed in solidification in 100 DEG C of baking oven, dry 2h.
It opens ultraviolet lamp to cover netted mask in Ti on piece after light stability, and is exposed to UV intensity and is 20mw/ cm2Ultraviolet lamp under 3 min by photoetching just obtain the patterned surface with mixed wettability, the figure on surface Case resolution ratio depends on the resolution ratio of mask, and the precision of strip micropatterning is 4um, it can not visually tell the surface Pattern, but displayed after being soaked with water, as shown in Figure 1a (optics picture size is 10mm x 10mm).
The titanium sheet after anodic oxidation is observed by field emission scanning electron microscope, obtains surface texture such as Fig. 3 a The side view of (top view of SEM) and 3b(SEM) shown in, nanotube-shaped two of Surface Creation as can clearly see from the figure Titanium oxide structure.

Claims (10)

1. the preparation method on the titanium surface to inhibit bacterial growth and promotion protein adherence, which is characterized in that including following Step:
(1) titanium sheet being cut into fritter, is then cleaned under ultrasonic state with cleaning solution, taking-up is dried, spare:
(2) electrolyte is prepared: ammonium fluoride is soluble in water, glycerine is then added, is uniformly mixed, obtains electrolyte:
(3) using platinized platinum as cathode, using the cleaned titanium sheet of step (1) as anode, electrolysis obtained by step (2) anodic oxidation: is added Liquid is electrolysed:
(4) titanium sheet obtained by step (3) is placed in Muffle furnace and is annealed, obtain the TiO with photocatalytic activity2Film:
(5) by step (4), treated, and titanium sheet is soaked in hydrophobing agent, and sealing, which is protected from light, is placed on curing and drying in baking oven:
(6) by step (5), treated, and titanium sheet is placed under ultraviolet lamp, the mask made is placed in titanium sheet, illumination, is obtained To inhibit bacterial growth and promote the titanium surface of protein adherence.
2. preparation method according to claim 1, which is characterized in that in step (1), the specification of titanium sheet is 2cm after shearing × 3.5cm × 0.2mm, the cleaning solution are that acetone, ethyl alcohol, water respectively clean 15min according to this.
3. preparation method according to claim 1, which is characterized in that the temperature of step (2) described stirring is 20-40 DEG C, Time is 15-30min.
4. preparation method according to claim 1, which is characterized in that in step (3), electrolysis is in 30-40 DEG C of thermostatted water It is carried out in bath, voltage rises to 20-50V with the speed of 0.1V/s-0.3V/s, is electrolysed 1-2h.
5. preparation method according to claim 1, which is characterized in that in step (3), at a distance of 2- between two electrodes when electrolysis 3cm。
6. preparation method according to claim 1, which is characterized in that in step (4), the annealing is Muffle furnace with 5-10 DEG C/heating rate of min rises to 250-350 DEG C of annealing 2-3h.
7. preparation method according to claim 1, which is characterized in that in step (5), selected hydrophobing agent is by 17 Fluorine certain herbaceous plants with big flowers ethyl triethoxy silicane alkane is dissolved in the mixed solution of n-hexane.
8. preparation method according to claim 1, which is characterized in that in step (5), the temperature of the curing and drying is 100-140 DEG C, time 1-2h.
9. preparation method according to claim 1, which is characterized in that in step (6), the time of the illumination is 3-5 points Clock.
10. to inhibit bacterial growth and protein is promoted to glue as made from the described in any item preparation methods of claim 1-9 Attached titanium surface.
CN201810951824.5A 2018-08-21 2018-08-21 To inhibit bacterial growth and promote the titanium surface and preparation method thereof of protein adherence Pending CN109125809A (en)

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沈一州等: "《分级结构表面的超疏水特性与应用》", 28 February 2017, 西北工业大学出版社 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110436407B (en) * 2019-07-26 2022-02-11 广州大学 Preparation method and application of efficient antibacterial synergistic anti-bacterial adhesion nano material
CN113730042A (en) * 2021-09-09 2021-12-03 北京理工大学 Orthopedic implant with multistage micro-nano structure and manufacturing method thereof

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