A Rapid Detection of Haemophilus influenzae Using Multiple Cross Displacement Amplification Linked With Nanoparticle-Based Lateral Flow Biosensor Article Swipe
YOU?
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· 2021
· Open Access
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· DOI: https://doi.org/10.3389/fcimb.2021.721547
Haemophilus influenzae is a major human pathogenic bacterium, resulting in a series of diseases, such as pneumonia, bacteremia, meningitis. However, it is hard to diagnose H . influenzae quickly. In this study, the multiple cross displacement amplification (MCDA) and nanoparticle-based lateral flow biosensor (LFB) (MCDA-LFB) were combined to detect H . influenzae , which has been proven to be reliable, rapid, and not complicated. On the basis of H . influenzae outer membrane protein P6 gene, 10 specific primers were designed. The best MCDA condition was 61°C for 1 h. The sensitivity of H . influenzae -MCD-LFB assay showed, in the pure cultures, the minimum concentration of genomic DNA templates was 100 fg. The specificity of H . influenzae -MCD-LFB assay showed only H . influenzae templates were detected, and no cross-reactivity was found in non- H . influenzae isolates and other Haemophilus species. In 56 sputum samples, with MCDA-LFB method and PCR detection, 21 samples were positive, which was in consistent with the traditional culture method. The accuracy of diagnosis of MCDA-LFB, in comparison with the traditional culture method and PCR detection, can reach 100%, indicating that the MCDA-LFB assay gains an advantage over the cultured-based method for target pathogen detection. In conclusion, the MCDA-LFB assay is suitable for the sensitive, rapid, and specific detection of H . influenzae , which might be used as a potential diagnostic tool for H . influenzae in basic and clinical laboratories.
Related Topics
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.3389/fcimb.2021.721547
- OA Status
- gold
- Cited By
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- References
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- Related Works
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- OpenAlex ID
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Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W3201010402Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.3389/fcimb.2021.721547Digital Object Identifier
- Title
-
A Rapid Detection of Haemophilus influenzae Using Multiple Cross Displacement Amplification Linked With Nanoparticle-Based Lateral Flow BiosensorWork title
- Type
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
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2021Year of publication
- Publication date
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2021-09-22Full publication date if available
- Authors
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Qilong Cao, Shaoshuai Liang, Lin Wang, Jun Cao, Mengyang Liu, Shengpeng Li, Xiaolong Cao, Yan GuoList of authors in order
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https://doi.org/10.3389/fcimb.2021.721547Publisher landing page
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YesWhether a free full text is available
- OA status
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goldOpen access status per OpenAlex
- OA URL
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https://doi.org/10.3389/fcimb.2021.721547Direct OA link when available
- Concepts
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Haemophilus influenzae, Microbiology, Biology, AntibioticsTop concepts (fields/topics) attached by OpenAlex
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9Total citation count in OpenAlex
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2025: 1, 2024: 5, 2022: 2, 2021: 1Per-year citation counts (last 5 years)
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29Number of works referenced by this work
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10Other works algorithmically related by OpenAlex
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