WO2018082257A1 - 基于胶体金试纸条的生物标志物检测系统及方法 - Google Patents

基于胶体金试纸条的生物标志物检测系统及方法 Download PDF

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Publication number
WO2018082257A1
WO2018082257A1 PCT/CN2017/080703 CN2017080703W WO2018082257A1 WO 2018082257 A1 WO2018082257 A1 WO 2018082257A1 CN 2017080703 W CN2017080703 W CN 2017080703W WO 2018082257 A1 WO2018082257 A1 WO 2018082257A1
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Prior art keywords
biomarker
test strip
colloidal gold
gold test
dimensional code
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PCT/CN2017/080703
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English (en)
French (fr)
Inventor
张贯京
葛新科
高伟明
张红治
周亮
陈琦
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深圳市前海安测信息技术有限公司
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Publication of WO2018082257A1 publication Critical patent/WO2018082257A1/zh

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/53Immunoassay; Biospecific binding assay; Materials therefor
    • G01N33/558Immunoassay; Biospecific binding assay; Materials therefor using diffusion or migration of antigen or antibody
    • G01N33/559Immunoassay; Biospecific binding assay; Materials therefor using diffusion or migration of antigen or antibody through a gel, e.g. Ouchterlony technique
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/53Immunoassay; Biospecific binding assay; Materials therefor
    • G01N33/543Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals
    • G01N33/54306Solid-phase reaction mechanisms

Definitions

  • the present invention relates to the technical field of remote first aid, and more particularly to a biomarker detection system and method based on colloidal gold test strips.
  • Immunocolloidal gold chromatography test papers have many advantages, such as rapid diagnosis, reliable results, no special equipment and complicated operation skills, etc., which are widely used in many fields of biology and medicine, as well as chemical preparations, food and drug inspection and quarantine, etc. aspect. Since the detection results of colloidal gold test strips are mainly judged by visual inspection, there are some defects in practical applications: (1) Only qualitative detection can be performed, and quantitative measurement cannot be realized; (2) The concentration of the detected substance is between the critical value and the display result is difficult. Using the naked eye to interpret, there is the possibility of subjective misjudgment; (3) The measurement process may be missed or failed, such as false positives and false negatives;
  • the main object of the present invention is to provide a biomarker detection system and method based on colloidal gold test strips, which can be used to analyze biomarkers on colloidal gold test strips.
  • the content detection result avoids the deviation of the detection result due to subjective or error, and saves the detection result, which is convenient for subsequent inquiry.
  • the present invention provides a biomarker detection system based on a colloidal gold test strip, which is applied to a cloud platform server, and the cloud platform server establishes a communication connection with a mobile communication device through a communication network.
  • the biomarker detection system based on colloidal gold test strips includes:
  • an image acquisition module configured to obtain a two-dimensional code information of a colloidal gold test strip by scanning a two-dimensional code on a colloidal gold test strip by a camera of the mobile communication device, and from the colloidal gold test paper by the camera An image of the test result of ingesting the biomarker on the strip;
  • a two-dimensional code recognition module configured to identify the type of the biomarker according to the two-dimensional code information of the colloidal gold test strip;
  • an image processing module configured to locate a reaction ribbon position of the biomarker from the detection result image of the biomarker, and segment the biomarker from the detection result image according to the reaction ribbon position of the biomarker The reactive ribbon area of the object;
  • a quantitative analysis module configured to extract a feature value of the reactive color band region, calculate a gray value of the reactive color band region according to the extracted feature value, and use a gray value of the reactive color band region and a standard grayscale value The values are compared, and the comparison results are numerically quantized according to a predetermined comparison rule to obtain a biomarker content detection result.
  • the image acquisition module is further configured to perform a clearing process on the contaminated impurity points in the detection result image of the biomarker.
  • the biomarker detection system based on the colloidal gold test strip further comprises a data saving module
  • the data saving module is configured to store the content detection result of the biomarker in a storage unit in the cloud platform server.
  • the colloidal gold test strip comprises a two-dimensional code and a detection strip
  • the two-dimensional code is solidified with two-dimensional code information
  • the two-dimensional code information includes a biomarker type, a production date, and an expiration date information.
  • the test strip is provided with a white nitrocellulose membrane for detecting the concentration of the biomarker.
  • the predetermined comparison rule is defined as follows: if the color of the reaction ribbon region of the biomarker is dark, the content concentration of the biomarker is high; if the reaction color of the biomarker If the color of the band region is light or the color does not change, the content of the biomarker is low.
  • the present invention also provides a biomarker detection method based on a colloidal gold test strip, which is applied to a cloud platform server, wherein the cloud platform server establishes a communication connection with a mobile communication device through a communication network, the colloid-based
  • the method for detecting a biomarker of a gold test strip includes the steps of:
  • the method for detecting a biomarker based on a colloidal gold test strip further comprises the step of: removing a contaminated impurity point in the image of the detection result of the biomarker.
  • the biomarker detection method based on the colloidal gold test strip further comprises the step of: storing the content detection result of the biomarker in a storage unit in the cloud platform server.
  • the colloidal gold test strip includes a two-dimensional code and a detection tape, and the two-dimensional code is solidified with two-dimensional code information, and the two-dimensional code information includes a biomarker type, a production date, and an expiration date information.
  • the test strip is provided with a white nitrocellulose membrane for detecting the concentration of the biomarker.
  • the predetermined comparison rule is defined as follows: if the color of the reaction ribbon region of the biomarker is dark, the content of the biomarker is high; if the reaction ribbon of the biomarker If the color of the region is light or the color does not change, the content of the biomarker is low.
  • the biomarker detection system and method based on the colloidal gold test strip of the present invention can detect the content of the biomarker by ingesting the test result image on the colloidal gold test strip.
  • the results of quantitative testing without the need for professionals to read the test ribbon or training on the test strip of colloidal gold test strips can give objective results, avoid human error, prevent missed detection; test results are directly saved in the health management cloud platform
  • a two-dimensional code is added to the colloidal gold test strip to facilitate the identification and matching of the system. Therefore, different types of colloidal gold test strips can be used to detect the concentration of different biomarkers.
  • DRAWINGS 1 is a schematic view showing an application structure of a preferred embodiment of a biomarker detection system based on a colloidal gold test strip according to the present invention
  • FIG. 2 is a flow chart of a preferred embodiment of a biomarker detection method based on a colloidal gold test strip of the present invention.
  • FIG. 1 is a schematic diagram of an application architecture of a preferred embodiment of a biomarker detection system based on a colloidal gold test strip of the present invention.
  • the biomarker detection system 10 based on the colloidal gold test strip runs on the cloud platform server 1, and the cloud platform server 1 further includes a communication unit 11, a storage unit 12, and a processing unit 13.
  • the cloud platform server 1 establishes a communication connection with the mobile communication device 2 via the communication network 3.
  • the cloud platform server 1 is a server in the cloud platform. Through the data transmission capability and data processing capability of the cloud platform server 1, the detection result image of the biomarker can be better processed and transmitted.
  • the mobile communication device 2 includes a camera 20 for scanning a QR Code 41 and a Test Area 42 on the colloidal gold test strip 4 on which the biomarker has been detected. An image of the test result of ingesting the biomarker.
  • the mobile communication device 2 transmits the detection result image of the biomarker of the colloidal gold test strip 4 to the cloud platform server 1.
  • the mobile communication device 2 may be any suitable portable electronic communication such as a smart phone with a camera module, a tablet computer, a personal digital assistant (PDA), a personal computer, a mobile communication terminal, and the like. device.
  • the communication network 3 can be a wired communication network or a wireless communication network.
  • the communication network 3 is preferably a wireless communication network, including but not limited to, a GSM network, a GPRS network, a CDMA network, a TD-SCDMA network, a WiMAX network, a TD-LTE network, an FDD-LTE network, and the like. transporting network.
  • the colloidal gold test strip 4 includes a QR code 41 and a test area 42
  • the two-dimensional code 41 is solidified with two-dimensional code information, including the type of detecting the biomarker (ie, the colloidal gold test strip is used to detect the type of the biomarker, such as HIV, hepatitis B virus), production Date, expiration date, etc.
  • the number of the detection strips 42 may be one or more, and different detection strips 42 are used to detect different biomarkers, that is, one detection strip 42 detects only one biomarker, the organism
  • the markers can be HIV HIV antigen, HBV antigen of hepatitis B virus, and the like.
  • the detection tape 42 is provided with a white or colorless nitrocellulose membrane for detecting the concentration of the biomarker.
  • the communication unit 11 is a wireless communication interface with remote wireless communication function or near field communication function, for example, supports GSM, GPRS, WCDMA, CDMA, TD-SCDMA, WiMAX, TD-L TE, FDD- A communication interface of a communication technology such as LTE, the communication unit 11 is configured to detect a result image of a biomarker transmitted from the mobile communication device 2.
  • the storage unit 12 can be a read only storage unit RO M, an electrically erasable storage unit EEPROM, a flash memory unit FLASH or a solid hard disk.
  • the processing unit 13 can be a central processing unit (Central Processing
  • CPU Central Unit
  • MCU Microcontroller
  • data processing chip or information processing unit with data processing function.
  • the biomarker detection system 10 based on the colloidal gold test strip includes, but is not limited to, the image acquisition module 101, the two-dimensional code recognition module 102, the image processing module 103, and the quantitative analysis.
  • Module 104 and data saving module 105 refers to a series of computer program instruction segments that can be executed by the processing unit 13 of the cloud platform server 1 and that can perform fixed functions, which are stored in the storage unit 12 of the cloud platform server 1. .
  • the image acquisition module 101 is configured to obtain the two-dimensional code information of the colloidal gold test strip 40 by scanning the two-dimensional code 41 on the colloidal gold test strip 40 by the camera 20 of the mobile communication device 2, and from the colloidal gold test.
  • the detection tape 42 on the strip 40 takes in a detection result image of the biomarker.
  • the mobile communication device 2 scans the two-dimensional code 41 on the colloidal gold test strip 4 by the camera 20 to obtain the two-dimensional code information of the colloidal gold test strip 40 and from the colloidal gold test strip 40.
  • the detection tape 42 takes in the detection result image of the biomarker, and transmits the two-dimensional code information of the colloidal gold test strip 40 and the detection result image of the biomarker to the cloud platform server 1 via the communication network 3.
  • the two-dimensional code recognition module 102 is configured to identify the biomarker according to the two-dimensional code information of the colloidal gold test strip 4. The type of thing. Since each of the colloidal gold test strips 4 includes a two-dimensional code 41 that is solidified with two-dimensional code information, the two-dimensional code information includes the type of the detected biomarker, and thus the two-dimensional code recognition module 102 recognizes the colloidal gold test.
  • the type of biomarker can be obtained from the two-dimensional code information of the strip 4, for example, the HIV antigen of HIV, the HBV antigen of hepatitis B virus, and the like.
  • the image processing module 103 is configured to perform a process of clearing contaminated impurity points in the detection result image of the biomarker. Specifically, the image processing module 103 performs a clearing process on the contaminated impurity points in the detection result image by using a median filtering method, so that the detection result image is as close as possible to the original target image, thereby obtaining a clean detection result image.
  • the median filtering is a nonlinear signal image processing technology based on the theory of sorting statistics, which can effectively suppress noise.
  • the basic principle of median filtering is to use a pixel value of a point in a digital image or a digital sequence as a neighborhood of the point. The median of the pixel values in each point is replaced, so that the surrounding pixel values are close to the true value, thereby eliminating isolated noise points in the image to make the image as close as possible to the original target image.
  • the image processing module 103 is further configured to locate a reaction ribbon position of the biomarker from the detection result image, and segment the biomarker from the detection result image according to the reaction ribbon position of the biomarker The reactive ribbon area.
  • the image processing module 103 positions the detection band image of the colloidal gold test strip 4 in the detection result image to locate the reaction ribbon position of the biomarker.
  • the image processing module 103 divides the detection result image into a plurality of regions to separate the reaction ribbon of the biomarker from the unreacted band, and since the detection tape 42 of the colloidal gold test strip 4 is provided with the nitrocellulose membrane for detecting the biomarker, The nitrocellulose membrane was not coated with a biomarker, and the reaction was white.
  • reaction image region is segmented by the reaction result image, and the purpose is to separate the unreacted white background from the color band in which the color change occurs, which is advantageous for the subsequent extraction of the characteristic value of the reaction ribbon.
  • the quantitative analysis module 104 is configured to extract feature values of the reactive color band region, and calculate a gray value of the reactive color band region according to the extracted feature values.
  • the characteristic value of the reactive color band region refers to a pixel value (pixel) of the reactive color band region
  • the quantitative analysis module 10 calculates the gray value of the reactive color band region according to the pixel value of the reactive color band region.
  • the quantitative analysis module 104 is further configured to compare the gray value of the reaction ribbon region with the standard gray value, and numerically quantize the comparison result according to a predetermined comparison rule to obtain a content detection result of the biomarker.
  • the standard gray value refers to a biomarker in the detection of biological or medical fields, biomarkers and glues that do not produce lesions.
  • An image gray value of the reactive ribbon is produced on the body gold test strip 40, which defines a numerical relationship between the image gray value and the biomarker concentration.
  • the predetermined comparison rule is defined as follows: if the color of the reaction ribbon region of the biomarker is dark (for example, from white to deep red), the content of the biomarker is high; if the biomarker If the color of the reactive ribbon region of the object is light (for example, changed from white to light red) or the color does not change, the content of the biomarker is low.
  • the quantitative analysis module 10 can numerically quantify the content of the biomarker (for example, by numerical level quantification) according to the predetermined comparison rule and the comparison result to obtain the concentration of the biomarker.
  • the data saving module 105 is configured to store the content detection result of the biomarker in the storage unit 12 in the cloud platform server 1 for the doctor to make a query reference in the future, and diagnose a certain disease for the doctor (for example, hepatitis B virus) ) as an auxiliary basis.
  • the data saving module 105 stores the biomarker content detection result in the health management cloud platform server, so as to facilitate the query reference in the future, and the user can also log in to the health management cloud platform. Test results.
  • the present invention also provides a biomarker detection method based on a colloidal gold test strip, which is applied to the cloud platform server 1 shown in FIG.
  • Fig. 2 is a flow chart showing a preferred embodiment of the biomarker detecting method based on the colloidal gold test strip of the present invention.
  • the method for detecting a biomarker based on a colloidal gold test strip includes the following steps S21 to S28:
  • Step S21 the two-dimensional code information of the colloidal gold test strip is scanned by the camera of the mobile communication device to obtain the two-dimensional code information, and the detection result image of the biomarker is taken from the detection area of the colloidal gold test strip; specifically, the image
  • the acquisition module 101 scans the two-dimensional code 4 1 on the colloidal gold test strip 40 by the camera 20 of the mobile communication device 2 to obtain the two-dimensional code information of the colloidal gold test strip 40, and the detection tape from the colloidal gold test strip 40. 42 Ingestion of the test result image of the biomarker.
  • Step S22 identifying the type of the biomarker according to the two-dimensional code information of the colloidal gold test strip; specifically, the two-dimensional code recognition module 102 identifies the biomarker according to the two-dimensional code information of the colloidal gold test strip 4.
  • the type of thing Since each of the colloidal gold test strips 4 includes a two-dimensional code 41 that is solidified with two-dimensional code information, the two-dimensional code information includes the type of the detected biomarker, and thus the two-dimensional code recognition module 102 recognizes the colloidal gold test.
  • the type of biomarker can be obtained from the two-dimensional code information of the strip 4, for example, the HIV antigen of HIV, the HBV antigen of hepatitis B virus, and the like.
  • Step S23 performing a clearing process on the contaminated impurity points in the detection result image of the biomarker;
  • the image processing module 103 performs a clearing process on the contaminated impurity points in the detection result image by using a median filtering method, so that the detection result image is as close as possible to the original target image, thereby obtaining a clean detection result image.
  • the median filtering is a nonlinear signal image processing technology based on the theory of sorting statistics, which can effectively suppress noise.
  • the basic principle of median filtering is to use a pixel value of a point in a digital image or a digital sequence as a neighborhood of the point. The median of the pixel values in each point is replaced, so that the surrounding pixel values are close to the true value, thereby eliminating isolated noise points in the image to make the image as close as possible to the original target image.
  • Step S24 Positioning the reaction ribbon position of the biomarker from the detection result image; specifically, the image processing module 103 locates the reaction ribbon position of the biomarker from the detection result image.
  • the image processing module 103 identifies the position of the reaction band of the biomarker by identifying the detection band image of the colloidal gold test strip 4 in the detection result image.
  • Step S25 segmenting the reaction color band region of the biomarker from the detection result image according to the reaction color band position of the biomarker; specifically, the image processing module 103 is based on the reaction color band position of the biomarker from the detection result.
  • the reactive ribbon region of the biomarker is segmented in the image.
  • the image processing module 103 divides the detection result image into a plurality of regions to separate the reaction color band of the biomarker from the unreacted band, since the detection tape 42 of the colloidal gold test strip 4 is provided with the detection biomarker.
  • the nitrocellulose membrane of the nitrocellulose membrane is not coated with a biomarker, and the reaction is white. When the biomarker is coated, a dark red reaction band appears.
  • the reactive color band region is segmented on the detection result image, and the purpose is to separate the unreacted white background from the color change band in which the color change occurs, which is advantageous for the subsequent extraction of the characteristic value of the reaction color band.
  • Step S26 extracting the feature value of the reactive ribbon region, and calculating the gray value of the reactive ribbon region according to the extracted feature value; specifically, the quantitative analysis module 104 extracts the feature value of the reactive ribbon region, and according to The extracted feature values calculate the gray value of the reactive ribbon region.
  • the characteristic value of the reactive color band region refers to a pixel value (pixel) of the reactive color band region, and the quantitative analysis module 10 calculates the gray value of the reactive color band region according to the pixel value of the reactive color band region. .
  • Step S27 comparing the gray value of the reaction ribbon region with the standard gray value, and numerically quantifying the comparison result according to a predetermined comparison rule to obtain a biomarker content detection result; specifically, the quantitative analysis module 104 compares the gray value of the reaction band region with the standard gray value, and numerically quantizes the comparison result according to a predetermined comparison rule to obtain a biomarker content detection result.
  • the standard gray value refers to a biomarker in the biological or medical field, a biomarker that does not produce a lesion, and an image gray value of a reaction ribbon generated on the colloidal gold test strip 40. , which defines the numerical relationship between image gray value and biomarker concentration.
  • the predetermined comparison rule is as follows: if the color of the reaction ribbon region of the biomarker is dark (for example, from white to deep red), the content of the biomarker is high; if the biomarker The color of the reactive ribbon region is light (for example, changed from white to light red) or the color does not change, and the content of the biomarker is low.
  • the quantitative analysis module 10 can numerically quantify the content of the biomarker (for example, by numerical level quantification) according to the predetermined comparison rule and the comparison result to obtain the concentration of the biomarker.
  • Step S28 storing the biomarker content detection result in the cloud platform server; specifically, the data saving module 105 stores the biomarker content detection node in the storage unit 12 in the cloud platform server 1 to For doctors to conduct future reference, for the doctor to diagnose a disease (such as hepatitis B virus) as a supplementary basis.
  • the data saving module 105 stores the biomarker content detection result in the health management cloud platform server, so as to facilitate the query reference in the future, and the user can also log in to the health management cloud platform. Test results.
  • the biomarker detection system and method based on the colloidal gold test strip of the present invention can quantitatively detect the content of the biomarker by ingesting the image of the detection result on the colloidal gold test strip, without specializing The personnel can read the interpretation skills or training of the test ribbon on the colloidal gold test strip to give objective results, avoid human error and prevent missed detection; the test results are directly saved on the health management cloud platform, which is convenient for users to check Inquiring; Using mobile communication terminals (such as smart phones) and wireless networks, it is easy to carry and can be detected anywhere.
  • a two-dimensional code is added to the colloidal gold test strip to facilitate the identification and matching of the system. Therefore, different types of colloidal gold test strips can be used to detect the concentration of different biomarkers.
  • the biomarker detection system and method based on the colloidal gold test strip of the present invention can detect the content of the biomarker by ingesting the image of the detection result on the test strip of colloidal gold.
  • Result Quantitative testing without the need for professionals to read the interpretation skills or training of the test ribbon on the colloidal gold test strip can give objective results, avoid human error, prevent missed detection; test results are directly saved on the health management cloud platform , convenient for users to make inquiries; using mobile communication terminals (such as smart phones) and wireless networks, easy to carry, can be detected anywhere.
  • a two-dimensional code is added to the colloidal gold test strip to facilitate the identification and matching of the system. Therefore, different types of colloidal gold test strips can be used to detect the concentration of different biomarkers.

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Abstract

一种基于胶体金试纸条(4)的生物标志物检测系统(10)及生物标志物检测方法,生物标志物检测方法包括以下步骤:通过摄像头(20)扫描胶体金试纸条(4)的二维码(41)获得胶体金试纸条(4)的二维码(41)的信息并从胶体金试纸条(4)的检测带(42)摄取生物标志物的检测结果图像;根据二维码(41)的信息识别出生物标志物的类型;从检测结果图像中定位出生物标志物的反应色带位置;根据反应色带位置从检测结果图像中分割出生物标志物的反应色带区域;提取反应色带区域的特征值,并根据提取的特征值计算反应色带区域的灰度值;将反应色带区域的灰度值与标准品灰度值进行比较得到生物标志物的含量检测结果。基于胶体金试纸条(4)的生物标志物检测系统(10)及生物标志物检测方法能够随时随地分析出胶体金试纸条(4)上生物标志物的含量,避免由于主观或误差而导致检测结果偏差。

Description

基于胶体金试纸条的生物标志物检测系统及方法
技术领域
[0001] 本发明涉及远程急救的技术领域, 尤其涉及一种基于胶体金试纸条的生物标志 物检测系统及方法。
背景技术
[0002] 免疫胶体金层析试纸具备诸多优点, 如快速诊断、 结果可靠、 无需特殊设备和 复杂操作技巧等, 被普遍应用于生物学、 医学的许多领域, 以及化学制剂、 食 品药品检验检疫等方面。 由于胶体金试纸条检测结果主要通过目测判断, 在实 际应用中存在一些缺陷: (1) 只能进行定性检测, 无法实现定量测量; (2) 检测物浓度介于临界值吋, 显示结果难以使用肉眼判读, 存在主观误判的可能 ; (3) 测量过程可能会出现漏检或检测失败的情况, 如假阳性和假阴性; (4
) 传统测量结果需要手工记录, 不利于胶体金快速检测推广使用, 尤其是艾滋 病、 毒品等特殊检测物品, 根据规定应进行结果实吋记录以及留存证据。
技术问题
[0003] 为解决上述技术问题, 本发明的主要目的在于提供一种基于胶体金试纸条的生 物标志物检测系统及方法, 能够随吋随地利用分析出胶体金试纸条上生物标志 物的含量检测结果, 避免由于主观或误差而导致检测结果偏差, 并对检测结果 进行保存, 方便随吋査询。
问题的解决方案
技术解决方案
[0004] 为实现上述目的, 本发明提供了一种基于胶体金试纸条的生物标志物检测系统 , 应用于云平台服务器中, 所述云平台服务器通过通信网络与移动通信设备建 立通信连接, 所述基于胶体金试纸条的生物标志物检测系统包括:
[0005] 图像获取模块, 用于通过所述移动通信设备的摄像头扫描胶体金试纸条上的二 维码获得胶体金试纸条的二维码信息, 以及通过所述摄像头从胶体金试纸条上 的检测带摄取生物标志物的检测结果图像; [0006] 二维码识别模块, 用于根据胶体金试纸条的二维码信息识别出所述生物标志物 的类型;
[0007] 图像处理模块, 用于从生物标志物的检测结果图像中定位出生物标志物的反应 色带位置, 以及根据生物标志物的反应色带位置从所述检测结果图像中分割出 生物标志物的反应色带区域;
[0008] 定量分析模块, 用于提取所述反应色带区域的特征值, 根据提取的特征值计算 该反应色带区域的灰度值, 将反应色带区域的灰度值与标准品灰度值进行比较 , 以及根据预定比较规则对比较结果进行数值量化得到生物标志物的含量检测 结果。
[0009] 优选地, 所述图像获取模块还用于将生物标志物的检测结果图像中的污染杂质 点进行清除处理。
[0010] 优选地, 所述的基于胶体金试纸条的生物标志物检测系统还包括数据保存模块
, 该数据保存模块用于将所述生物标志物的含量检测结果存储在云平台服务器 中的存储单元中。
[0011] 优选地, 所述胶体金试纸条包括二维码以及检测带, 所述二维码固化有二维码 信息, 该二维码信息包括生物标志物的类型、 生产日期、 有效期信息, 所所述 检测带上设置有白色的硝酸纤维膜, 用于检测生物标志物的含量浓度。
[0012] 优选地, 所述预定比较规则定义如下: 若所述生物标志物的反应色带区域的颜 色为深色, 则该生物标志物的含量浓度高; 若所述生物标志物的反应色带区域 的颜色为浅色或颜色未发生变化, 则该生物标志物的含量浓度低。
[0013] 本发明还提供了一种基于胶体金试纸条的生物标志物检测方法, 应用于云平台 服务器中, 所述云平台服务器通过通信网络与移动通信设备建立通信连接, 所 述基于胶体金试纸条的生物标志物检测方法包括步骤:
[0014] 通过所述移动通信设备的摄像头扫描胶体金试纸条上的二维码获得胶体金试纸 条的二维码信息, 并通过所述摄像头从胶体金试纸条上的检测带摄取生物标志 物的检测结果图像;
[0015] 根据胶体金试纸条的二维码信息识别出所述生物标志物的类型;
[0016] 从生物标志物的检测结果图像中定位出生物标志物的反应色带位置; [0017] 根据生物标志物的反应色带位置从所述检测结果图像中分割出生物标志物的反 应色带区域;
[0018] 提取所述反应色带区域的特征值, 并根据提取的特征值计算该反应色带区域的 灰度值;
[0019] 将反应色带区域的灰度值与标准品灰度值进行比较, 并根据预定比较规则对比 较结果进行数值量化得到生物标志物的含量检测结果。
[0020] 优选地, 所述基于胶体金试纸条的生物标志物检测方法还包括步骤: 将生物标 志物的检测结果图像中的污染杂质点进行清除处理。
[0021] 优选地, 所述基于胶体金试纸条的生物标志物检测方法还包括步骤: 将所述生 物标志物的含量检测结果存储在云平台服务器中的存储单元中。
[0022] 优选地, 所述胶体金试纸条包括二维码以及检测带, 所述二维码固化有二维码 信息, 该二维码信息包括生物标志物的类型、 生产日期、 有效期信息, 所所述 检测带上设置有白色的硝酸纤维膜, 用于检测生物标志物的含量浓度。
[0023] 优选地, 所述预定比较规则定义如下: 若所述生物标志物的反应色带区域的颜 色为深色, 则该生物标志物的含量浓度高; 若该生物标志物的反应色带区域的 颜色为浅色或颜色未发生变化, 则所述生物标志物的含量浓度低。
发明的有益效果
有益效果
[0024] 相较于现有技术, 本发明所述基于胶体金试纸条的生物标志物检测系统及方法 通过摄取胶体金检测试纸条上的检测结果图像, 即可对生物标志物的含量结果 进行定量检测, 无须专业人员读取胶体金检测试纸条上的检测色带的判读技巧 或培训即可给出客观结果, 避免人为误差, 防止漏检; 检测结果直接保存于健 康管理云平台上, 方便用户实吋査询; 利用移动通信终端 (例如智能手机) 及 无线网络, 方便易携带, 可实现随吋随地进行检测。 此外, 在胶体金检测试纸 条上加入二维码, 方便系统进行识别匹配, 因此可利用不同类型的胶体金试纸 条来检测不同生物标志物的含量浓度。
对附图的简要说明
附图说明 [0025] 图 1是本发明基于胶体金试纸条的生物标志物检测系统优选实施例的应用架构 示意图;
[0026] 图 2是本发明基于胶体金试纸条的生物标志物检测方法优选实施例的流程图。
[0027] 本发明目的的实现、 功能特点及优点将结合实施例, 参照附图做进一步说明。
实施该发明的最佳实施例
本发明的最佳实施方式
[0028] 为更进一步阐述本发明为达成上述目的所采取的技术手段及功效, 以下结合附 图及优选实施例, 对本发明的具体实施方式、 结构、 特征及其功效进行详细说 明。 应当理解, 此处所描述的具体实施例仅仅用以解释本发明, 并不用于限定 本发明。
[0029] 参考图 1所示, 图 1是本发明基于胶体金试纸条的生物标志物检测系统优选实施 例的应用架构示意图。 在本实施例中, 所述基于胶体金试纸条的生物标志物检 测系统 10运行于云平台服务器 1, 所述云平台服务器 1还包括通信单元 11、 存储 单元 12以及处理单元 13。 所述云平台服务器 1通过通信网络 3与移动通信设备 2建 立通信连接。 所述云平台服务器 1是一种云平台中的一台服务器, 通过云平台服 务器 1的数据传输能力及数据处理能力, 可以更好地处理与传输生物标志物的检 测结果图像。
[0030] 所述移动通信设备 2包括摄像头 20, 该摄像头 20用于扫描已检测过生物标志物 的胶体金试纸条 4上的二维码 (QR Code) 41以及检测带 (Test area) 42摄取生物 标志物的检测结果图像。 所述移动通信设备 2将胶体金试纸条 4的生物标志物的 检测结果图像发送至云平台服务器 1。 在本实施例中, 所述移动通信设备 2可以 是带有摄像模块的智能手机、 平板电脑、 个人数字助理 (Personal Digital Assistant, PDA) 、 个人电脑、 移动通信终端等其它任意合适的便携式电子通讯 设备。 所述通信网络 3可以是一种有线通信网络或无线通信网络。 在本实施例中 , 所述通信网络 3优选为无线通信网络, 包括但不限于, GSM网络、 GPRS网络 、 CDMA网络、 TD-SCDMA网络、 WiMAX网络、 TD-LTE网络、 FDD-LTE网络 等无线传输网络。
[0031] 所述胶体金试纸条 4包括二维码 (QR Code) 41以及检测带 (Test area) 42, 所 述二维码 41固化有二维码信息, 该二维码信息包括检测生物标志物的类型 (即 该胶体金试纸条用于检测生物标志物的类型, 例如艾滋病毒、 乙肝病毒) 、 生 产日期、 有效期等信息。 所述检测带 42的数量可以为一个, 也可以为多个, 不 同的检测带 42用于检测不同的生物标志物 (Biomarker) , 即一个检测带 42只检 测一种生物标志物, 所述生物标志物可以为艾滋病毒的 HIV抗原、 乙肝病毒的 H BV抗原等。 所述检测带 42上设置有白色或无色的硝酸纤维膜, 用于检测所述生 物标志物的含量浓度。
[0032] 所述通信单元 11为一种具有远程无线通讯功能或近场通讯功能的无线通讯接口 , 例如, 支持 GSM、 GPRS、 WCDMA、 CDMA、 TD-SCDMA、 WiMAX、 TD-L TE、 FDD-LTE等通讯技术的通讯接口, 所述通信单元 11用于从移动通信设备 2发 送的生物标志物的检测结果图像。 所述存储单元 12可以为一种只读存储单元 RO M, 电可擦写存储单元 EEPROM、 快闪存储单元 FLASH或固体硬盘等。 所述处 理单元 13可以为一种中央处理器 (Central Processing
Unit, CPU) 、 微控制器 (MCU) 、 数据处理芯片、 或者具有数据处理功能的 信息处理单元。
[0033] 在本实施例中, 所述基于胶体金试纸条的生物标志物检测系统 10包括, 但不局 限于, 图像获取模块 101、 二维码识别模块 102、 图像处理模块 103、 定量分析模 块 104以及数据保存模块 105。 本发明所称的模块是指一种能够被所述云平台服 务器 1的处理单元 13执行并且能够完成固定功能的一系列计算机程序指令段, 其 存储在所述云平台服务器 1的存储单元 12中。
[0034] 所述图像获取模块 101用于通过移动通信设备 2的摄像头 20扫描胶体金试纸条 40 上的二维码 41获得胶体金试纸条 40的二维码信息, 以及从胶体金试纸条 40上的 检测带 42摄取生物标志物的检测结果图像。 在本实施例中, 所述移动通信设备 2 通过摄像头 20扫描胶体金试纸条 4上的二维码 41获得胶体金试纸条 40的二维码信 息以及从胶体金试纸条 40上的检测带 42摄取生物标志物的检测结果图像, 并通 过通信网络 3将胶体金试纸条 40的二维码信息和生物标志物的检测结果图像发送 至云平台服务器 1。
[0035] 所述二维码识别模块 102用于根据胶体金试纸条 4的二维码信息识别出生物标志 物的类型。 由于每一种胶体金试纸条 4包括有固化有二维码信息的二维码 41, 该 二维码信息包括了检测生物标志物的类型, 因此二维码识别模块 102通过识别胶 体金试纸条 4的二维码信息就可获得生物标志物的类型, 例如, 艾滋病毒的 HIV 抗原、 乙肝病毒的 HBV抗原等类型。
[0036] 所述图像处理模块 103用于将生物标志物的检测结果图像中的污染杂质点进行 清除处理。 具体地, 图像处理模块 103利用一种中值滤波法对检测结果图像中的 污染杂质点进行清除处理, 使检测结果图像尽量接近原目标图像, 从而得到干 净的检测结果图像。 所述中值滤波是基于排序统计理论的一种能有效抑制噪声 的非线性信号图像处理技术, 中值滤波的基本原理是把数字图像或数字序列中 一点的像素值用该点的一个邻域中各点像素值的中值代替, 让周围的像素值接 近真实值, 从而消除图像中孤立的噪声点使图像尽量接近原目标图像。
[0037] 所述图像处理模块 103还用于从所述检测结果图像中定位出生物标志物的反应 色带位置, 以及根据生物标志物的反应色带位置从检测结果图像中分割出生物 标志物的反应色带区域。 在本实施例中, 图像处理模块 103在检测结果图像中定 位出胶体金试纸条 4的检测带图像即可定位出生物标志物的反应色带位置。 图像 处理模块 103将检测结果图像分成为多个区域使生物标志物的反应色带与未反应 带相分离, 由于胶体金试纸条 4的检测带 42设置有检测生物标志物的硝酸纤维膜 , 该硝酸纤维膜未涂有生物标志物吋呈现反应白色的, 当涂有生物标志物反应 吋出现暗红色反应色带。 本实施例对检测结果图像进行反应色带区域分割, 目 的就是将没有反应的白色背景与出现颜色变化的显色带进行分离, 有利于后续 提取反应色带的特征值。
[0038] 所述定量分析模块 104用于提取反应色带区域的特征值, 并根据提取的特征值 计算该反应色带区域的灰度值。 在本实施例中, 所述反应色带区域的特征值是 指反应色带区域的像素值 (pixel) , 定量分析模块 10根据反应色带区域的像素 值计算该反应色带区域的灰度值。 所述定量分析模块 104还用于将反应色带区域 的灰度值与标准品灰度值进行比较, 以及根据预定比较规则对比较结果进行数 值量化得到生物标志物的含量检测结果。 在本实施例中, 所述标准品灰度值是 指在检测生物学或医学领域中的生物标志物吋, 未产生病变的生物标志物与胶 体金试纸条 40上产生反应色带的图像灰度值, 其定义了图像灰度值与生物标志 物浓度的数值关系。 所述预定比较规则定义如下: 若所述生物标志物的反应色 带区域的颜色为深色 (例如由白色变为深红色) , 则所述生物标志物的含量浓 度高; 若所述生物标志物的反应色带区域的颜色为浅色 (例如由白色变为浅红 色) 或颜色未发生变化, 则所述生物标志物的含量浓度低。 定量分析模块 10根 据所述预定比较规则和比较结果即可对生物标志物的含量进行数值量化 (例如 采用数值等级量化) 即可得到生物标志物的浓度。
[0039] 所述数据保存模块 105用于将生物标志物的含量检测结果存储在云平台服务器 1 中的存储单元 12中以供医生日后进行査询参考, 为医生诊断某种疾病 (例如乙 肝病毒) 作为辅助依据。 在本实施例中, 所述数据保存模块 105将生物标志物的 含量检测结果存储在健康管理云平台服务器中, 方便日后査询参考, 同吋, 用 户也可以登录健康管理云平台实吋査询检测结果。
[0040] 为实现本发明目的, 本发明还提供了一种基于胶体金试纸条的生物标志物检测 方法, 应用于如图 1所示的云平台服务器 1中。 如图 2所示, 图 2是本发明基于胶 体金试纸条的生物标志物检测方法优选实施例的流程图。 在本实施例中, 所述 基于胶体金试纸条的生物标志物检测方法包括如下步骤 S21至步骤 S28:
[0041] 步骤 S21, 通过移动通信设备的摄像头扫描胶体金试纸条的二维码获得二维码 信息, 从胶体金试纸条的检测区摄取生物标志物的检测结果图像; 具体地, 图 像获取模块 101通过移动通信设备 2的摄像头 20扫描胶体金试纸条 40上的二维码 4 1获得胶体金试纸条 40的二维码信息, 以及从胶体金试纸条 40上的检测带 42摄取 生物标志物的检测结果图像。
[0042] 步骤 S22, 根据胶体金试纸条的二维码信息识别出生物标志物的类型; 具体地 , 二维码识别模块 102根据胶体金试纸条 4的二维码信息识别出生物标志物的类 型。 由于每一种胶体金试纸条 4包括有固化有二维码信息的二维码 41, 该二维码 信息包括了检测生物标志物的类型, 因此二维码识别模块 102通过识别胶体金试 纸条 4的二维码信息就可获得生物标志物的类型, 例如, 艾滋病毒的 HIV抗原、 乙肝病毒的 HBV抗原等类型。
[0043] 步骤 S23, 将生物标志物的检测结果图像中的污染杂质点进行清除处理; 具体 地, 图像处理模块 103利用一种中值滤波法对检测结果图像中的污染杂质点进行 清除处理, 使检测结果图像尽量接近原目标图像, 从而得到干净的检测结果图 像。 所述中值滤波是基于排序统计理论的一种能有效抑制噪声的非线性信号图 像处理技术, 中值滤波的基本原理是把数字图像或数字序列中一点的像素值用 该点的一个邻域中各点像素值的中值代替, 让周围的像素值接近真实值, 从而 消除图像中孤立的噪声点使图像尽量接近原目标图像。
[0044] 步骤 S24, 从检测结果图像中定位出生物标志物的反应色带位置; 具体地, 图 像处理模块 103从所述检测结果图像中定位出生物标志物的反应色带位置。 在本 实施例中, 图像处理模块 103在检测结果图像中识别出胶体金试纸条 4的检测带 图像即可定位出生物标志物的反应色带位置。
[0045] 步骤 S25, 根据生物标志物的反应色带位置从检测结果图像中分割出生物标志 物的反应色带区域; 具体地, 图像处理模块 103根据生物标志物的反应色带位置 从检测结果图像中分割出生物标志物的反应色带区域。 在本实施例中, 图像处 理模块 103将检测结果图像分成为多个区域使生物标志物的反应色带与未反应带 相分离, 由于胶体金试纸条 4的检测带 42设置有检测生物标志物的硝酸纤维膜, 该硝酸纤维膜未涂有生物标志物吋呈现反应白色的, 当涂有生物标志物反应吋 出现暗红色反应色带。 本实施例对检测结果图像进行反应色带区域分割, 目的 就是将没有反应的白色背景与出现颜色变化的显色带进行分离, 有利于后续提 取反应色带的特征值。
[0046] 步骤 S26, 提取反应色带区域的特征值, 并根据提取的特征值计算该反应色带 区域的灰度值; 具体地, 定量分析模块 104提取反应色带区域的特征值, 并根据 提取的特征值计算该反应色带区域的灰度值。 在本实施例中, 所述反应色带区 域的特征值是指反应色带区域的像素值 (pixel) , 定量分析模块 10根据反应色 带区域的像素值计算该反应色带区域的灰度值。
[0047] 步骤 S27, 将反应色带区域的灰度值与标准品灰度值进行比较, 并根据预定比 较规则对比较结果进行数值量化得到生物标志物的含量检测结果; 具体地, 定 量分析模块 104将反应色带区域的灰度值与标准品灰度值进行比较, 并根据预定 比较规则对比较结果进行数值量化得到生物标志物的含量检测结果。 在本实施 例中, 所述标准品灰度值是指在检测生物学或医学领域中的生物标志物吋, 未 产生病变的生物标志物与胶体金试纸条 40上产生反应色带的图像灰度值, 其定 义了图像灰度值与生物标志物浓度的数值关系。 所述预定比较规则如下: 若所 述生物标志物的反应色带区域的颜色为深色 (例如由白色变为深红色) , 则所 述生物标志物的含量浓度高; 若所述生物标志物的反应色带区域的颜色为浅色 (例如由白色变为浅红色) 或颜色未发生变化, 则所述生物标志物的含量浓度 低。 定量分析模块 10根据所述预定比较规则和比较结果即可对生物标志物的含 量进行数值量化 (例如采用数值等级量化) 即可得到生物标志物的浓度。
[0048] 步骤 S28, 将生物标志物的含量检测结果存储在云平台服务器中; 具体地, 数 据保存模块 105将生物标志物的含量检测结存储在云平台服务器 1中的存储单元 1 2中以供医生日后进行査询参考, 为医生诊断某种疾病 (例如乙肝病毒) 作为辅 助依据。 在本实施例中, 所述数据保存模块 105将生物标志物的含量检测结果存 储在健康管理云平台服务器中, 方便日后査询参考, 同吋, 用户也可以登录健 康管理云平台实吋査询检测结果。
[0049] 本发明所述基于胶体金试纸条的生物标志物检测系统及方法通过摄取胶体金检 测试纸条上的检测结果图像, 即可对生物标志物的含量结果进行定量检测, 无 须专业人员读取胶体金检测试纸条上的检测色带的判读技巧或培训即可给出客 观结果, 避免人为误差, 防止漏检; 检测结果直接保存于健康管理云平台上, 方便用户实吋査询; 利用移动通信终端 (例如智能手机) 及无线网络, 方便易 携带, 可实现随吋随地进行检测。 此外, 在胶体金检测试纸条上加入二维码, 方便系统进行识别匹配, 因此可利用不同类型的胶体金试纸条来检测不同生物 标志物的含量浓度。
[0050] 以上仅为本发明的优选实施例, 并非因此限制本发明的专利范围, 凡是利用本 发明说明书及附图内容所作的等效结构或等效功能变换, 或直接或间接运用在 其他相关的技术领域, 均同理包括在本发明的专利保护范围内。
工业实用性
[0051] 相较于现有技术, 本发明所述基于胶体金试纸条的生物标志物检测系统及方法 通过摄取胶体金检测试纸条上的检测结果图像, 即可对生物标志物的含量结果 进行定量检测, 无须专业人员读取胶体金检测试纸条上的检测色带的判读技巧 或培训即可给出客观结果, 避免人为误差, 防止漏检; 检测结果直接保存于健 康管理云平台上, 方便用户实吋査询; 利用移动通信终端 (例如智能手机) 及 无线网络, 方便易携带, 可实现随吋随地进行检测。 此外, 在胶体金检测试纸 条上加入二维码, 方便系统进行识别匹配, 因此可利用不同类型的胶体金试纸 条来检测不同生物标志物的含量浓度。

Claims

权利要求书
一种基于胶体金试纸条的生物标志物检测系统, 应用于云平台服务器 中, 所述云平台服务器通过通信网络与移动通信设备建立通信连接, 其特征在于, 所述基于胶体金试纸条的生物标志物检测系统包括: 图 像获取模块, 用于通过所述移动通信设备的摄像头扫描胶体金试纸条 上的二维码获得胶体金试纸条的二维码信息, 以及通过所述摄像头从 胶体金试纸条上的检测带摄取生物标志物的检测结果图像; 二维码识 别模块, 用于根据胶体金试纸条的二维码信息识别出所述生物标志物 的类型; 图像处理模块, 用于从生物标志物的检测结果图像中定位出 生物标志物的反应色带位置, 以及根据生物标志物的反应色带位置从 所述检测结果图像中分割出生物标志物的反应色带区域; 定量分析模 块, 用于提取所述反应色带区域的特征值, 根据提取的特征值计算该 反应色带区域的灰度值, 将反应色带区域的灰度值与标准品灰度值进 行比较, 以及根据预定比较规则对比较结果进行数值量化得到生物标 志物的含量检测结果。
如权利要求 1所述的基于胶体金试纸条的生物标志物检测系统, 其特 征在于, 所述图像处理模块还用于将生物标志物的检测结果图像中的 污染杂质点进行清除处理。
如权利要求 1所述的基于胶体金试纸条的生物标志物检测系统, 其特 征在于, 该系统还包括数据保存模块, 该数据保存模块用于将所述生 物标志物的含量检测结果存储在云平台服务器中的存储单元中。 如权利要求 1所述的基于胶体金试纸条的生物标志物检测系统, 其特 征在于, 所述胶体金试纸条包括二维码以及检测带, 所述二维码固化 有二维码信息, 该二维码信息包括检测生物标志物的类型、 生产日期 、 有效期信息, 所述检测带上设置有白色的硝酸纤维膜, 用于检测生 物标志物的含量浓度。
如权利要求 4所述的基于胶体金试纸条的生物标志物检测系统, 其特 征在于, 所述预定比较规则定义如下: 若所述生物标志物的反应色带 区域的颜色为深色, 则所述生物标志物的含量浓度高; 若所述生物标 志物的反应色带区域的颜色为浅色或颜色未发生变化, 则所述生物标 志物的含量浓度低。
[权利要求 6] —种基于胶体金试纸条的生物标志物检测方法, 应用于云平台服务器 中, 所述云平台服务器通过通信网络与移动通信设备建立通信连接, 其特征在于, 所述基于胶体金试纸条的生物标志物检测方法包括步骤 : 通过所述移动通信设备的摄像头扫描胶体金试纸条上的二维码获得 胶体金试纸条的二维码信息, 并通过所述摄像头从胶体金试纸条上的 检测带摄取生物标志物的检测结果图像; 根据胶体金试纸条的二维码 信息识别出所述生物标志物的类型; 从生物标志物的检测结果图像中 定位出生物标志物的反应色带位置; 根据生物标志物的反应色带位置 从所述检测结果图像中分割出生物标志物的反应色带区域; 提取所述 反应色带区域的特征值, 并根据提取的特征值计算该反应色带区域的 灰度值; 将反应色带区域的灰度值与标准品灰度值进行比较, 并根据 预定比较规则对比较结果进行数值量化得到生物标志物的含量检测结 果。
[权利要求 7] 如权利要求 6所述的基于胶体金试纸条的生物标志物检测方法, 其特 征在于, 该方法还包括步骤: 将生物标志物的检测结果图像中的污染 杂质点进行清除处理。
[权利要求 8] 如权利要求 6所述的基于胶体金试纸条的生物标志物检测方法, 其特 征在于, 该方法还包括步骤: 将所述生物标志物的含量检测结果存储 在云平台服务器中的存储单元中。
[权利要求 9] 如权利要求 6所述的基于胶体金试纸条的生物标志物检测方法, 其特 征在于, 所述胶体金试纸条包括二维码以及检测带, 所述二维码固化 有二维码信息, 该二维码信息包括检测生物标志物的类型、 生产日期 、 有效期信息, 所述检测带上设置有白色的硝酸纤维膜, 用于检测生 物标志物的含量浓度。
[权利要求 10] 如权利要求 9所述的基于胶体金试纸条的生物标志物检测方法, 其特 征在于, 所述预定比较规则定义如下: 若所述生物标志物的反应色带 区域的颜色为深色, 则所述生物标志物的含量浓度高; 若所述生物标 志物的反应色带区域的颜色为浅色或颜色未发生变化, 则所述生物标 志物的含量浓度低。
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