CN113884454A - System and method for integrated textile ultrasonic extraction and detection - Google Patents
System and method for integrated textile ultrasonic extraction and detection Download PDFInfo
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- CN113884454A CN113884454A CN202111161497.1A CN202111161497A CN113884454A CN 113884454 A CN113884454 A CN 113884454A CN 202111161497 A CN202111161497 A CN 202111161497A CN 113884454 A CN113884454 A CN 113884454A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/40—Concentrating samples
- G01N1/4077—Concentrating samples by other techniques involving separation of suspended solids
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/40—Concentrating samples
- G01N1/4077—Concentrating samples by other techniques involving separation of suspended solids
- G01N2001/4094—Concentrating samples by other techniques involving separation of suspended solids using ultrasound
Abstract
The invention discloses an integrated textile ultrasonic extraction and detection system and a detection method, wherein the integrated textile ultrasonic extraction and detection system comprises a control unit, an ultrasonic extraction unit, a sample introduction unit and a detection unit; the ultrasonic extraction unit, the sample introduction unit and the detection unit are respectively and electrically connected with the control unit; the sample extracted by the ultrasonic extraction unit is added into the detection unit through the sample introduction unit, so that sample detection is realized. According to the system for integrated ultrasonic extraction and detection of textiles, provided by the invention, the pretreatment and detection of the textiles are integrated into one system, so that the complex operation and manual errors are avoided, the quality safety detection of the textiles is more convenient, and the timeliness and the accuracy of the safety factor detection in the textiles are greatly improved.
Description
Technical Field
The invention relates to the technical field of textile detection, in particular to an integrated textile ultrasonic extraction and detection system.
Background
The textile is a necessity of daily life of people, and the quality of the textile is directly related to manufacturers, trade relatives, government supervision departments and each consumer. The quality of the textile is paid great attention by the government regulatory departments of all countries, and the mandatory standards of the laws are issued by almost all countries for protecting the legal rights and interests of consumers, and numerous detection items of the textile are stipulated. The influence of the textile sample pretreatment technology on the detection and analysis results occupies a great proportion, and analysis shows that: the error of the detection and analysis result is nearly 50% from the preparation and treatment of the sample, but is really from the analysis less than 30%, and the workload occupied by the pretreatment of most samples exceeds 70% of the whole analysis, so that the sample pretreatment system is the basis and guarantee for achieving the purpose of rapidness and accuracy of the detection system.
The detection technology of carcinogenic dye, sensitizing dye, pesticide and the like in the textile has a common characteristic: the substance to be detected is wrapped and deeply buried in the fiber and the fabric; meanwhile, with the continuous development of textiles, the textiles are not two simple components such as cotton, hemp or terylene, and more blended and interwoven textiles enter the market and become the leading component, so that the difficulty of the pretreatment of the textiles in detection is further increased. The pretreatment technologies at the present stage comprise solvent extraction, solid-phase micro-extraction, multi-element extraction and the like.
The ultrasonic extraction technology is formed by combining a solvent extraction technology and an ultrasonic technology, and the existence of an ultrasonic field improves the efficiency of solvent extraction. The paper published by Zhang Xiang et al in chromatographic 2007, 25 vol.3, the high performance liquid chromatography for simultaneously detecting 9 organochlorine pesticide residues in cotton fabrics, and the paper published by Wang Mingtai et al in printing and dyeing 2007, 8 th, the LCMS/MS (liquid Crystal display systems/Mass Spectrometry) method for organic nitrogen pesticide residues in textiles all adopt an ultrasonic extraction method to extract pesticide residues in textiles. In the paper published in the 2 nd of volume 36 of 2019 of printing and dyeing auxiliary agent of Li Shi just and the like, the method for extracting formaldehyde by ultrasonic is adopted during the extraction of a textile sample, and the pretreatment is simpler. The article published by dang et al in dyeing and finishing technology, 2017, volume 39, No. 5, "textile pH non-destructive detection based on ultrasonic extraction technology" developed a non-destructive detection method of textile pH by means of ultrasonic extraction technology. Compared with the conventional extraction method, the ultrasonic extraction method has the advantages of short extraction time, high efficiency, no need of heating and the like.
Therefore, the ultrasonic extraction technology is applied to the pretreatment of the textile and combined with the textile detection technology, an effective technical means is provided for the determination and evaluation of the quality safety of the textile, and the method is an important development direction of the textile detection.
Disclosure of Invention
In view of the above, the invention provides an integrated textile ultrasonic extraction and detection system and a detection method, wherein the textile sample pretreatment adopts an ultrasonic extraction technology, and a textile sample extracting solution is added into a micro-fluidic chip by controlling a sample injection pump. In addition, the detection reagent is fixed in the specific detection area of the microfluidic chip in advance, the detection reagent does not need to be configured during operation, the operation process is simplified, no professional is needed, and the detection kit can be used with matched portable equipment to realize on-site rapid detection.
In order to achieve the purpose, the invention adopts the following technical scheme:
a system for integrated ultrasonic extraction and detection of textiles comprises a control unit, an ultrasonic extraction unit, a sample introduction unit and a detection unit; the ultrasonic extraction unit comprises an ultrasonic generator and a sample container, the sample injection unit comprises a sample injection pump and a pipeline, and the detection unit comprises a photoelectric detection mechanism and a microfluidic chip; the ultrasonic generator, the sample injection pump and the photoelectric detection mechanism are respectively and electrically connected with the control unit; the sample extracted by the ultrasonic extraction unit is added into the detection unit through the sample introduction unit, so that sample detection is realized.
Preferably, in the system for integrated ultrasonic extraction and detection of textiles, the sample container comprises 1-50 extraction chambers, the extraction chambers are arranged in the sample container according to a geometric rule, a proper amount of textile extract is added in the extraction chambers, and the bottom of the sample container is in contact with the ultrasonic generator.
Preferably, in the system for ultrasonic extraction and detection of integrated textiles, the microfluidic chip is a centrifugal chip or a pump-suction chip, the centrifugal chip or the pump-suction chip includes 1-50 sample detection areas, the number of the sample detection areas corresponds to the number of the extraction chambers of the sample container, a textile quality safety detection reagent is pre-stored in the sample detection areas, and a detection pool area material of the sample detection areas is a transparent material.
Preferably, in the system for ultrasonic extraction and detection of integrated textiles, the control unit, the ultrasonic generator, the sample injection pump and the photoelectric detection mechanism are all mounted on a rack, and a supporting plate for supporting the sample container and the microfluidic chip is arranged on the rack.
A detection method of a system for integrated textile ultrasonic extraction and detection comprises the following detection steps:
the method comprises the following steps: placing the textile in an extraction chamber of a sample container, installing a microfluidic chip on a rack, and setting a program by a control unit;
step two: ultrasonically extracting a textile extracting solution, automatically adding the textile extracting solution into a sample detection area of a microfluidic chip through a sample injection unit, and reacting the textile extracting solution with a textile quality safety detection reagent prestored in the microfluidic chip to obtain a reaction product;
step three: and a detection pool of a sample detection area of the microfluidic chip is matched with a photoelectric detection mechanism, the absorbance information of the reaction product is collected and sent to the control unit, and the control unit analyzes the absorbance information to obtain the content of the factors to be detected in the textile. The concentration value is determined from the absorbance value.
Preferably, in the above system for integrated textile ultrasonic extraction and detection, in the second step, when the microfluidic chip is a centrifugal chip, the textile extract is added into the sample detection area through the liquid adding port, the centrifugal chip is mounted on a centrifugal device through a chip fixing hole, the centrifugal device is mounted on a rack, and the centrifugal chip is driven to rotate when the centrifugal device moves, so that the textile extract in the centrifugal chip flows into the detection pool of the sample detection area, and a corresponding reaction product is generated;
preferably, in the above-mentioned system for integrated fabrics ultrasonic extraction and detection in step two, when micro-fluidic chip is the pump suction type chip, the sample container with micro-fluidic chip passes through the tube coupling to after adding the textile extract through the filling opening through the syringe pump, under the pressure drive of micro-fluidic syringe pump, the textile extract passes through the pipeline directly enters into the detection pond in micro-fluidic chip's sample detection area to produce corresponding reaction product in the detection pond.
According to the technical scheme, compared with the prior art, the system and the method for integrated ultrasonic extraction and detection of the textile are disclosed, the ultrasonic extraction technology is applied to the pretreatment of the textile, and the system and the method have the advantages of short extraction time, high efficiency, no need of heating and the like.
According to the system for integrated ultrasonic extraction and detection of textiles, provided by the invention, the ultrasonic pretreatment and detection of the textiles are integrated into the same system, so that the complex operation and manual errors are avoided, the quality safety detection of the textiles is more convenient, and the accuracy and timeliness of the quality safety detection of the textiles are greatly improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic diagram of an integrated textile ultrasonic extraction and detection system provided in accordance with the present invention;
FIG. 2 is a schematic structural diagram of an ultrasonic extraction unit provided by the present invention;
FIG. 3 is a schematic diagram of a centrifugal chip according to the present invention;
fig. 4 is a schematic structural diagram of a pumping chip according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention discloses an integrated textile ultrasonic extraction and detection system, wherein an ultrasonic technology is applied to textile pretreatment and is integrated with detection in one system, the extraction of factors to be detected is more efficient, complicated operation and manual errors are avoided, the quality safety detection of textiles is more convenient, and the accuracy and the timeliness of the quality safety detection of the textiles are greatly improved.
A system for integrated ultrasonic extraction and detection of textiles comprises a control unit, an ultrasonic extraction unit, a sample introduction unit and a detection unit; the ultrasonic extraction unit comprises an ultrasonic generator and a sample container 1, the sample injection unit comprises a sample injection pump and a pipeline, and the detection unit comprises a photoelectric detection mechanism and a microfluidic chip; wherein the ultrasonic generator, the sample injection pump and the photoelectric detection mechanism are respectively and electrically connected with the control unit; the sample extracted by the ultrasonic extraction unit is added into the detection unit through the sample introduction unit, so that the sample detection is realized. The sample container 1 is connected with a sample pump through a pipeline, the sample pump is connected with a micro-fluidic chip through a pipeline, the micro-fluidic chip is connected with a photoelectric detection mechanism, the photoelectric detection mechanism detects the absorbance of a reflected product, and detection information is obtained and transmitted to a control unit.
In order to further optimize the technical scheme, the sample container 1 comprises 1-50 extraction chambers 12, the extraction chambers are arranged in the sample container 1 according to a geometric rule, a proper amount of textile extracting solution is added into the extraction chambers 12, and the bottom of the sample container 1 is in contact with an ultrasonic generator. The ultrasonic generator is contacted with the sample container 1, emits ultrasonic waves to the sample container, extracts the detection object in the extraction chamber and fuses the detection object in the textile extracting solution.
In order to further optimize the technical scheme, the microfluidic chip is a centrifugal chip 2, the centrifugal chip 2 comprises 1-50 sample detection areas 21, the number of the sample detection areas 21 corresponds to the number of the extraction chambers 12 of the sample container 1, textile quality safety detection reagents are pre-stored in the sample detection areas 21, the area of a detection pool 22 of the sample detection areas 21 is made of transparent materials, and a through hole is arranged in the center of the centrifugal chip 2 and is a chip fixing hole 23 for fixing the chip during centrifugation.
In order to further optimize the technical scheme, the microfluidic chip is a pump-suction chip 3, the pump-suction chip 3 comprises 1-50 sample detection areas 21, the number of the sample detection areas 21 corresponds to the number of the extraction chambers 12 of the sample container 1, a textile quality safety detection reagent is pre-stored in the sample detection areas 21, and the area material of the detection pool 22 of the sample detection areas 21 is a transparent material.
In order to further optimize the technical scheme, the control unit, the ultrasonic generator, the sample injection pump and the photoelectric detection mechanism are all arranged on a rack, and a supporting plate for supporting the sample container 1 and the microfluidic chip is arranged on the rack.
A system for integrated ultrasonic extraction and detection of textiles comprises a control unit, an ultrasonic extraction unit, a sample introduction unit and a detection unit; the ultrasonic extraction unit comprises a vibration table and a sample container 1, the sample injection unit comprises a sample injection pump and a pipeline, and the detection unit comprises a photoelectric detection mechanism and a microfluidic chip; wherein the ultrasonic generator, the sample injection pump and the photoelectric detection mechanism are respectively and electrically connected with the control unit; the sample extracted by the ultrasonic extraction unit is added into the detection unit through the sample introduction unit, so that the sample detection is realized.
A detection method of a system for integrated textile ultrasonic extraction and detection comprises the following detection steps:
s1: placing the textile in the extraction chamber 12 of the sample container 1, installing the microfluidic chip on the rack, and setting a program by the control unit;
s2: extracting a textile extracting solution by utilizing the ultrasonic emitted by an ultrasonic generator, automatically adding the textile extracting solution into a sample detection area of the microfluidic chip through a sample introduction unit, and reacting the textile extracting solution with a textile quality safety detection reagent prestored in the microfluidic chip to obtain a reaction product;
s3: and a detection pool of the sample detection area of the microfluidic chip is matched with the photoelectric detection mechanism, the absorbance information of the reaction product is collected and sent to the control unit, and the control unit analyzes the absorbance information to obtain the content of the factors to be detected in the textile. The formaldehyde concentration or pH value is determined from the absorbance value.
In order to further optimize the technical scheme, in the detection method of the system for integrated textile ultrasonic extraction and detection, in S2, when the microfluidic chip is a centrifugal chip 2, a textile extract is added into the sample detection area 21 through the liquid adding port 24, the centrifugal chip 2 is mounted on a centrifugal device through the chip fixing hole 23, the centrifugal device is mounted on a rack, and the centrifugal chip 2 is driven to rotate when the centrifugal device moves, so that the textile extract in the centrifugal chip 2 flows into the detection cell 22 of the sample detection area 21, and a corresponding reaction product is generated.
In order to further optimize the technical scheme, in S2, when the microfluidic chip is the pump-suction type chip 3, the sample container is connected with the microfluidic chip through a pipeline, and after the textile extract is added through the liquid adding port 24 by the sample pump, the textile extract directly enters the detection cell 22 of the sample detection area 21 of the microfluidic chip through the pipeline under the pressure driving of the microfluidic sample pump, and a corresponding reaction product is generated in the detection cell 22.
In order to further optimize the technical scheme, the factor to be detected of the textile is formaldehyde or PH, and the textile quality safety detection reagent comprises a formaldehyde detection reagent or a pH color reagent.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. The system for integrated ultrasonic extraction and detection of textiles is characterized by comprising a control unit, an ultrasonic extraction unit, a sample introduction unit and a detection unit; the ultrasonic extraction unit comprises an ultrasonic generator and a sample container, the sample injection unit comprises a sample injection pump and a pipeline, and the detection unit comprises a photoelectric detection mechanism and a microfluidic chip; the ultrasonic generator, the sample injection pump and the photoelectric detection mechanism are respectively and electrically connected with the control unit; the sample extracted by the ultrasonic extraction unit is added into the detection unit through the sample introduction unit.
2. The system for integrated ultrasonic extraction and detection of textiles as claimed in claim 1, wherein said sample container comprises a plurality of extraction chambers, said extraction chambers are geometrically arranged in said sample container, textile extract is added to said extraction chambers, and the bottom of said sample container is in contact with said ultrasonic generator.
3. The system for ultrasonic extraction and detection of integrated textiles of claim 2, wherein the microfluidic chip is a centrifugal chip or a pump-suction chip, each of the centrifugal chip or the pump-suction chip comprises a plurality of sample detection areas, the number of the sample detection areas corresponds to the number of the extraction chambers of the sample container, textile quality safety detection reagents are pre-stored in the sample detection areas, and the detection area of the sample detection areas is made of a transparent material.
4. The system for ultrasonic extraction and detection of integrated textiles of claim 1, wherein said control unit, ultrasonic generator, sample pump, and photo-electric detection mechanism are all mounted on a rack, said rack being provided with a support plate supporting said sample container and said microfluidic chip.
5. A method for detecting a system for integrated ultrasonic extraction and detection of textiles according to any of claims 1 to 4, comprising the following detection steps:
the method comprises the following steps: placing the textile in an extraction chamber of a sample container, installing a microfluidic chip on a rack, and setting a program by a control unit;
step two: ultrasonically extracting a textile extracting solution, automatically adding the textile extracting solution into a sample detection area of a microfluidic chip through a sample injection unit, and reacting the textile extracting solution with a textile quality safety detection reagent prestored in the microfluidic chip to obtain a reaction product;
step three: and a detection pool of a sample detection area of the microfluidic chip is matched with a photoelectric detection mechanism, the absorbance information of the reaction product is collected and sent to the control unit, and the control unit analyzes the absorbance information to obtain the content of the factors to be detected in the textile.
6. The method for detecting the system for integrated textile ultrasonic extraction and detection according to claim 5, wherein in the second step, when the microfluidic chip is a centrifugal chip, the microfluidic chip is mounted on a centrifugal device through a chip fixing hole, and the centrifugal device is moved to drive the microfluidic chip to rotate, so that the textile extract in the microfluidic chip flows into a detection cell in a sample detection area of the microfluidic chip, and a corresponding reaction product is generated.
7. The detecting method of claim 5, wherein in the second step, when the microfluidic chip is a pump-suction type chip, the sample container is connected to the microfluidic chip through a pipeline, and the textile extract is added through a liquid adding port by a sample pump, and under the driving of the pressure of the sample pump, the textile extract directly enters the detecting cell of the sample detecting region of the microfluidic chip through the pipeline, and generates a corresponding reaction product in the detecting cell.
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