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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2022.6
- 수록면
- 175 - 182 (8page)
- DOI
- 10.1007/s13206-022-00053-4
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초록· 키워드
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Rapid and accurate diagnosis of influenza is crucial to contain influenza virus outbreaks. In clinical settings, lateral flow immunoassays (LFIAs) are widely used for rapid influenza antigen detection. The choice of label plays an important role in determining the sensitivity of the LFIA. Quantum dots are one of the most promising fluorescent reporters. Here, we evaluated a novel quantum dot-based assay, QuantumPACK Easy Influenza A + B (QuantumPACK Easy; BioSquare Inc., Korea).
A total of 394 nasopharyngeal swab samples, including 94 influenza A virus-positive, 98 influenza B virus-positive, 175 influenza A and B virus-negative, and 27 other respiratory pathogen-positive samples, were collected. Samples were tested with QuantumPACK Easy, Allplex RP real-time RT-PCR assay (Allplex RP; Seegene, Korea), and Sofia Influenza A + B FIA (Sofia; Quidel, CA, USA). The sensitivity and specificity of QuantumPACK Easy was analyzed using the Allplex RP assay. The agreement between QuantumPACK Easy and Sofia assays was also analyzed. The sensitivity of QuantumPACK Easy for influenza A and B was 80.9% and 83.7%, respectively. The specificity of QuantumPACK Easy was 100%. Crossreactivity with other respiratory pathogens was not observed. Total agreement between QuantumPACK Easy and Sofia was 89.6% (kappa 0.783). The sensitivity of the Sofia assay was 66.0% for influenza A virus and 61.2% for influenza B virus.
QuantumPACK Easy had acceptable performance, with better sensitivity than a commercially available antigen detection assay, possibly due to the characteristics of the quantum dot.
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