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Quantum dots-based lateral flow immunoassay combined with image analysis for semiquantitative detection of IgE antibody to mite.


ABSTRACT: Semiquantitative and rapid detection of specific IgE (sIgE) with well clinical relevance to house dust mite (HDM) are promising for prevalence rhinitis and asthma patients due to the increasing air pollution. However, the conventional IgE measurement systems are time-consuming, complicated and require special instruments. Herein, we overcome the above limitations of sIgE to HDM detection system by developing a quantum dot nanobeads-based lateral flow immunoassay and an image analysis procedure. The proposed detection system could semiquantitatively measure the IgE in a linear range of 0.2-10 U/mL. Moreover, there is a well correlation between the developed detection system and the clinical symptoms by a comparison study using 56 positive patients' sera and 40 healthy control sera. The proposed detection system is simple, robust and easy-to-use and promising for in home test.

SUBMITTER: Zhao Y 

PROVIDER: S-EPMC5503493 | biostudies-literature | 2017

REPOSITORIES: biostudies-literature

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Quantum dots-based lateral flow immunoassay combined with image analysis for semiquantitative detection of IgE antibody to mite.

Zhao Yan Y   Zhang Qiang Q   Meng Qingfeng Q   Wu Fenglian F   Zhang Lihua L   Tang Yao Y   Guan Yuanyuan Y   An Lixin L  

International journal of nanomedicine 20170704


Semiquantitative and rapid detection of specific IgE (sIgE) with well clinical relevance to house dust mite (HDM) are promising for prevalence rhinitis and asthma patients due to the increasing air pollution. However, the conventional IgE measurement systems are time-consuming, complicated and require special instruments. Herein, we overcome the above limitations of sIgE to HDM detection system by developing a quantum dot nanobeads-based lateral flow immunoassay and an image analysis procedure.  ...[more]

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