WO2022255981A1 - Procédé de production d'un kit d'essai flexible à base magnétique et timbre cutané - Google Patents
Procédé de production d'un kit d'essai flexible à base magnétique et timbre cutané Download PDFInfo
- Publication number
- WO2022255981A1 WO2022255981A1 PCT/TR2022/050513 TR2022050513W WO2022255981A1 WO 2022255981 A1 WO2022255981 A1 WO 2022255981A1 TR 2022050513 W TR2022050513 W TR 2022050513W WO 2022255981 A1 WO2022255981 A1 WO 2022255981A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- magnetic
- alloys
- test kit
- particles
- flexible test
- Prior art date
Links
- 239000007933 dermal patch Substances 0.000 title claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 34
- 229920000642 polymer Polymers 0.000 claims description 21
- 239000002245 particle Substances 0.000 claims description 20
- 239000000843 powder Substances 0.000 claims description 14
- 229910001172 neodymium magnet Inorganic materials 0.000 claims description 12
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 8
- 235000013870 dimethyl polysiloxane Nutrition 0.000 claims description 8
- CXQXSVUQTKDNFP-UHFFFAOYSA-N octamethyltrisiloxane Chemical compound C[Si](C)(C)O[Si](C)(C)O[Si](C)(C)C CXQXSVUQTKDNFP-UHFFFAOYSA-N 0.000 claims description 8
- 238000004987 plasma desorption mass spectroscopy Methods 0.000 claims description 8
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- VIKNJXKGJWUCNN-XGXHKTLJSA-N norethisterone Chemical compound O=C1CC[C@@H]2[C@H]3CC[C@](C)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 VIKNJXKGJWUCNN-XGXHKTLJSA-N 0.000 claims description 5
- 229910001199 N alloy Inorganic materials 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 4
- 230000004907 flux Effects 0.000 claims description 4
- 230000005415 magnetization Effects 0.000 claims description 4
- -1 polyethylene Polymers 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 3
- 239000000017 hydrogel Substances 0.000 claims description 3
- 229910001152 Bi alloy Inorganic materials 0.000 claims description 2
- 229910000531 Co alloy Inorganic materials 0.000 claims description 2
- 229910017061 Fe Co Inorganic materials 0.000 claims description 2
- 229910000807 Ga alloy Inorganic materials 0.000 claims description 2
- 229910003271 Ni-Fe Inorganic materials 0.000 claims description 2
- 239000004677 Nylon Substances 0.000 claims description 2
- 239000004698 Polyethylene Substances 0.000 claims description 2
- 239000004743 Polypropylene Substances 0.000 claims description 2
- 239000004793 Polystyrene Substances 0.000 claims description 2
- 229920001486 SU-8 photoresist Polymers 0.000 claims description 2
- 229910000828 alnico Inorganic materials 0.000 claims description 2
- 229910017052 cobalt Inorganic materials 0.000 claims description 2
- 239000010941 cobalt Substances 0.000 claims description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 2
- 229920001971 elastomer Polymers 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 229920001778 nylon Polymers 0.000 claims description 2
- 229910000889 permalloy Inorganic materials 0.000 claims description 2
- 229920001084 poly(chloroprene) Polymers 0.000 claims description 2
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 claims description 2
- 229920002239 polyacrylonitrile Polymers 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- 229920002223 polystyrene Polymers 0.000 claims description 2
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 2
- 239000004800 polyvinyl chloride Substances 0.000 claims description 2
- 239000005060 rubber Substances 0.000 claims description 2
- 229910000859 α-Fe Inorganic materials 0.000 claims description 2
- 239000006249 magnetic particle Substances 0.000 description 8
- 239000008280 blood Substances 0.000 description 6
- 210000004369 blood Anatomy 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- 201000010099 disease Diseases 0.000 description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 3
- 102000001554 Hemoglobins Human genes 0.000 description 2
- 108010054147 Hemoglobins Proteins 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000004202 carbamide Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000001747 exhibiting effect Effects 0.000 description 2
- 238000001631 haemodialysis Methods 0.000 description 2
- 230000000322 hemodialysis Effects 0.000 description 2
- 239000002122 magnetic nanoparticle Substances 0.000 description 2
- 208000025721 COVID-19 Diseases 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 238000003149 assay kit Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000012377 drug delivery Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000003862 health status Effects 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000001755 magnetron sputter deposition Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/683—Means for maintaining contact with the body
- A61B5/6832—Means for maintaining contact with the body using adhesives
- A61B5/68335—Means for maintaining contact with the body using adhesives including release sheets or liners
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/32—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying conductive, insulating or magnetic material on a magnetic film, specially adapted for a thin magnetic film
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
- A61B2562/12—Manufacturing methods specially adapted for producing sensors for in-vivo measurements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
- H01F1/06—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder
- H01F1/08—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
- H01F1/083—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together in a bonding agent
Definitions
- the present invention relates to a method for producing magnetic based flexible test kit and skin patch.
- Skin patches which are considered as a product of the wearable technology, can be used for different purposes. These purposes include monitoring the changes in the human body, long-term wound protection, drug delivery and determination of the disease. Skin patches can be used as a test kit in the diagnosis of the disease.
- magnetic based flexible test kits and skin patches are widely produced in said technical field and presented to the users’ demands.
- studies for improving the production methods of said products still continue. For example, there is a need for novel methods in the technical field that will allow said products to be produced in an affordable and practical way.
- the main objective of the invention is to develop a method that allows a practical production with a lower cost compared to the current applications, in order to produce magnetic based flexible test kit or skin patch. Thanks to the method of the present invention, it is also possible to shorten the production time.
- the objective of the invention is to develop a production method that provides advantage of high magnetic flux.
- the objective of the invention is to obtain a novel method that enables producing magnetic based flexible test kit or skin patch, without requiring the use of machine/equipment.
- Another advantage of the invention is that the components used in the method of the present invention are easily accessible components.
- the objective of the invention is to obtain a product that can be used in different areas.
- Said product produced with the method of the present invention can be used in areas such as determination of the amount of hemoglobin in the blood, determination of cancerous cells in the body, determination of Covid-19 based antibody in the blood, and determination of urea in the blood. Additionally, it is also possible that this product can replace the hemodialysis filter part in the hemodialysis machine, as well as the filters in the factory waste pipes.
- Figure 1 is a schematic illustration of the process step of preparing particles with strong magnetic properties.
- Figure 2 is a schematic illustration of the process step of preparing polymer.
- Figure 3 is a schematic illustration of the process steps of placing the magnetic strips on top of each in order to provide configuration using the North pole and South pole properties, provided that the magnetic strips are not limited to an angle of 0-360°, and pouring the magnetic particles thereon; and pouring polymer, which is prepared with its own procedure, onto the magnetic particles whose configuration is prepared in a desired way.
- Figure 4 is a schematic illustration of the process steps of boring channels and magnetization.
- Figure 5 is a schematic illustration of micro/milli/macro fluidic channel.
- the present invention relates to a method for producing magnetic based flexible test kit and skin patch.
- the said method comprises the process steps of:
- At least one particle with magnetic properties selected from a group consisting of NdFeB powder, Fe powder, Nickel (Ni), Cobalt (Co), Sm-Co alloys, Sm-Fe-N alloys, Ferrite magnet powders, alnico group of permanent magnet powders, permalloy (Ni-Fe alloys), Mn-Bi/Ga alloys, Fe-N alloys, Fe-Co alloys, and the combinations thereof is used.
- At least one polymer selected from a group consisting of PDMS, Hydrogel, SU8, polyethylene, polypropylene, polyvinyl chloride, rubber, nylon, PVB, silicone, polystyrene, neoprene, polyacrylonitrile, and the combinations thereof is used.
- two magnetic strips are placed on top of each other according to the desired shape without limiting them at a given angle between them.
- the use of the magnetic strips without being limited to the particles exhibiting magnetic property such as NdFeB powder (5) or Fe flakes, is important in terms of forming a certain pattern and ensuring that the particles are trapped in the polymer with their patterns.
- the method of the present invention comprises the process step of preparing magnetic particles. Accordingly, particles with strong magnetic properties such as NdFeB flakes (N-F) or Fe flakes are dried and prepared for being trapped in the polymer portion.
- NdFeB flakes (N-F) or Fe flakes are dried and prepared for being trapped in the polymer portion.
- the process step of preparing NdFeB flakes (N-F) (Ball- milled NdFeB flakes (N-F)) by drying is given as an example.
- the particles poured on them have an ordered configuration. Magnetic particles are dispersed into the polymer and thereby providing magnetic flux distribution.
- the subsequent process step is to prepare the polymer.
- the polymer is passed through a preparation stage to become skin patch/flexible test kit. This process is performed at room temperature the said process step is given in Figure 2.
- PDMS polymer
- its preparation with the curing agent at a ratio of 10:1 can be given as example.
- Preparation of PDMS according to usage instructions should be at a ratio of 10:1, if it is desired to be prepared by weight, volume, or mole. According to the instructions, the 10:1 ratio is maintained for each preparation method.
- the prepared polymer is poured on the said structure comprising the ordered configuration which is obtained by pouring the prepared particles on the magnetic strips, and it becomes a stable skin patch/flexible test kit.
- the process steps of pouring magnetic particles on the strips (having a configuration such as N, S, N, S, ...) placed with a desired angle and adding the prepared polymer thereon are given respectively in Figure 3.
- Drying the polymer is performed at room temperature within 24 hours by means of the specifically added curing agents.
- polymer e.g., PDMS/curing agent
- the magnetic particles (e.g., NdFeB) and polymer (e.g., PDMS/curing agent) are heated at 120 °C to harden on the heater, hardened in a time shorter than 24 hours and become a flexible test kit.
- a flexible layer having the magnetic particles therein is formed.
- the layer of the flexible test kit which is placed on the magnet and configured, is given in Figure 5.
- micro/macro/milli fluidic channels are bored on the flexible test kit.
- the said fluidic channels enable passage of the sample (liquid) that can be determined through the flexible test kit.
- the fluidic channel structures, through which the liquid is passed, are also obtained with 3D printer, if desired, and it is ensured that fluidic channel layer is formed by pouring polymer therein.
- the layer of the flexible test kit which is placed on the magnetic strips and configured ( Figure 5) and for example, channel structure printed with 3D printer are placed on top of each and adhered, thereby the channel is bored.
- the product (patch/flexible test kit) is magnetized under high magnetic field.
- electromagnet is used for enabling magnetization.
- the test kit becomes ready to use when its magnetization is completed.
- the functionality of the strips used in the said method is achieved both without using configuration machines (spin coater, clean room, lithography, and physical storage devices (magnetron sputtering system)) and in a very short time.
- the configuration of particles with magnetic properties such as NdFeB powder and Fe powder, is provided by means of the magnetic strips without using the configuration machines. This enables the method of the present invention to be cheap and easily accessible.
- the substance exhibiting magnetic properties which is desired to be passed through the channel of said magnetic flexible test kit obtained by the method of the present invention and which is desired to be tagged and trapped, is drawn into the injector.
- Micro/macro/milli fluidic channels comprise input and output parts.
- the sample, which is desired to be determined is sent into the channel by means of the injector from the input part.
- the particles (NdFeB powder or Fe powder etc.) with magnetic properties inside the channel attract the structures with magnetic properties inside the sample, which are desired to be determined. By means of this magnetic attraction, the liquid without magnetic properties fills the injector when the liquid inside the channel is withdrawn by another injector from the output.
- the particles which are desired to be tagged remains in the magnetic flexible test kit.
- the method of the present invention being cheap and practical will allow to perform several tests such as determination of urea in the urine and determination of cancerous cells, and to diagnose the disease in an easy and quick way.
- the blood sample which is injected from one side of the produced microfluidic channel (input) is withdrawn by the injector from the other side (output).
- the injector from the other side (output).
- the withdrawn blood sample (output) there are no biological structures, which are tagged with magnetic particle or due to their own magnetic characteristics.
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Power Engineering (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Manufacturing & Machinery (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Physics & Mathematics (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Medicinal Preparation (AREA)
Abstract
La présente invention concerne un procédé de production d'un kit d'essai flexible à base magnétique et d'un timbre cutané. L'objectif principal de l'invention est de développer un procédé permettant une production pratique avec un coût inférieur à celui des applications actuelles, afin de produire un kit de test flexible à base magnétique ou un timbre cutané. Avec le procédé de la présente invention, il est également possible de raccourcir le temps de production, permettant ainsi une production de masse.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP22816579.1A EP4346575A1 (fr) | 2021-06-02 | 2022-06-01 | Procédé de production d'un kit d'essai flexible à base magnétique et timbre cutané |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TR2021/009077 TR2021009077A2 (tr) | 2021-06-02 | Manyeti̇k tabanli esnek test ki̇ti̇ ve deri̇ üzeri̇ yama i̇çi̇n bi̇r üreti̇m yöntemi̇ | |
TR2021009077 | 2021-06-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2022255981A1 true WO2022255981A1 (fr) | 2022-12-08 |
Family
ID=84323629
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/TR2022/050513 WO2022255981A1 (fr) | 2021-06-02 | 2022-06-01 | Procédé de production d'un kit d'essai flexible à base magnétique et timbre cutané |
Country Status (1)
Country | Link |
---|---|
WO (1) | WO2022255981A1 (fr) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4004997A (en) * | 1972-01-30 | 1977-01-25 | Seiko Shimada | Process of curing a polymerizable composition containing a magnetized powered ferromagnetic material with radioactive rays |
WO2006102235A2 (fr) * | 2005-03-21 | 2006-09-28 | Nanoset, Llc | Dispositif medical imageable par irm |
CN103531328A (zh) * | 2013-09-27 | 2014-01-22 | 浙江德斯泰塑胶有限公司 | 一种具有磁性的pvb膜片及其制备方法 |
US20170212021A1 (en) * | 2010-09-27 | 2017-07-27 | The General Hospital Corporation | Self-Assembled Magnetic Arrays |
WO2020144598A2 (fr) * | 2019-01-09 | 2020-07-16 | King Abdullah University Of Science And Technology | Peau magnétique imperceptible, système de peau magnétique et procédé de fabrication de peau magnétique |
-
2022
- 2022-06-01 WO PCT/TR2022/050513 patent/WO2022255981A1/fr active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4004997A (en) * | 1972-01-30 | 1977-01-25 | Seiko Shimada | Process of curing a polymerizable composition containing a magnetized powered ferromagnetic material with radioactive rays |
WO2006102235A2 (fr) * | 2005-03-21 | 2006-09-28 | Nanoset, Llc | Dispositif medical imageable par irm |
US20170212021A1 (en) * | 2010-09-27 | 2017-07-27 | The General Hospital Corporation | Self-Assembled Magnetic Arrays |
CN103531328A (zh) * | 2013-09-27 | 2014-01-22 | 浙江德斯泰塑胶有限公司 | 一种具有磁性的pvb膜片及其制备方法 |
WO2020144598A2 (fr) * | 2019-01-09 | 2020-07-16 | King Abdullah University Of Science And Technology | Peau magnétique imperceptible, système de peau magnétique et procédé de fabrication de peau magnétique |
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