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I-motif sensor for the fluorometric detection of Monkeypox
Analyst ( IF 3.6 ) Pub Date : 2024-07-26 , DOI: 10.1039/d4an00947a
Tasnima Alam Asa 1 , Young Jun Seo 1
Affiliation  

In this study, we developed an isothermal fluorometric diagnostic method for DNA virus-generating disorders such as Mpox. Our results showed that the release of a large number of protons during multiplex-LAMP markedly lowered the pH level, which transformed the retinoblastoma (Rb) linear ssDNA into i-motifs. Consequently, thiazole orange (TO; a fluorometric probe sensitive to the i-motif) boosted the signal-on fluorescence because of its ability to bind selectively to i-motifs. This multiplex-LAMP/i-motif-TO system enabled simultaneous detection aimed at numerous potential targets with remarkable sensitivity (1.47 pg per mL) and efficiency (30 minutes). Our method is expected to enable DNA-virus-related diseases to be efficiently and accurately assessed.

中文翻译:


用于猴痘荧光检测的 I-基序传感器



在这项研究中,我们开发了一种等温荧光诊断方法,用于诊断 Mpox 等 DNA 病毒产生的疾病。我们的结果表明,多重 LAMP 过程中释放的大量质子显着降低了 pH 水平,从而将视网膜母细胞瘤 (Rb) 线性 ssDNA 转化为 i-基序。因此,噻唑橙(TO;一种对 i-基序敏感的荧光探针)增强了荧光信号,因为它能够选择性地与 i-基序结合。这种多重 LAMP/i-motif-TO 系统能够同时检测众多潜在目标,具有卓越的灵敏度(1.47 pg/mL)和效率(30 分钟)。我们的方法有望能够有效、准确地评估 DNA 病毒相关疾病。
更新日期:2024-07-26
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