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A dual-chamber "one-pot" CRISPR/Cas12a-based portable and self-testing system for rapid HPV diagnostics

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单位: [1]Huazhong Univ Sci & Technol,Tongji Hosp,Tongji Med Coll,Dept Gynecol Oncol,Wuhan,Peoples R China [2]Huazhong Univ Sci & Technol,Tongji Hosp,Tongji Med Coll,Key Lab,Minist Educ,Canc Biol Res Ctr,Natl Clin Re,Wuhan,Peoples R China [3]Huazhong Univ Sci & Technol,Tongji Hosp,Tongji Med Coll,Hepat Surg Ctr,Wuhan 430000,Hubei,Peoples R China [4]Suzhou Smagix Energy Technol Co Ltd, Suzhou 215123, Peoples R China
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关键词: CRISPR-Cas12a One -pot Portable device Rapid HPV diagnostics Point -of -care testing

摘要:
Long-lasting infection of high-risk HPV infection has long been recognized as the leading cause of cervical cancer and has garnered widespread attention. However, in resource-limited areas, effective HPV screening is often not easily accessible, resulting in a continuous growth in the incidence and mortality rates of cervical cancer in these areas. In this study, we present a rapid, efficient, and accurate method for HPV detection based on the CRISPR/ Cas12a dual-chamber "one-pot" test (DROPT) system. Clinical samples are able to be rapidly tested in the DROPT system to get quantitative fluorescence readout with a simple one-time press. The entire reaction process, including RPA and CRISPR assays, happens within 30 min in a portable device composed of an isothermal heating chamber, laser diode source, and silicon photodiode. The results demonstrate that this approach achieves a remarkable limit of detection of 10-18 M. In the testing of HPV16/18 in 60 cervical swab samples, the system reached a sensitivity and specificity of 100% and 95.8%, respectively. Consequently, the DROPT system offers ease of use, requires no large-scale equipment or laboratory personnel, and effectively avoids aerosol contamination, which potentially fills the gap for HPV self-testing and on-site nucleic acid testing.

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出版当年[2023]版:
大类 | 1 区 化学
小类 | 1 区 分析化学 1 区 仪器仪表 2 区 电化学
最新[2025]版:
大类 | 1 区 化学
小类 | 1 区 分析化学 1 区 仪器仪表 2 区 电化学
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出版当年[2022]版:
Q1 CHEMISTRY, ANALYTICAL Q1 ELECTROCHEMISTRY Q1 INSTRUMENTS & INSTRUMENTATION
最新[2024]版:
Q1 CHEMISTRY, ANALYTICAL Q1 ELECTROCHEMISTRY Q1 INSTRUMENTS & INSTRUMENTATION

影响因子: 最新[2024版] 最新五年平均 出版当年[2022版] 出版当年五年平均 出版前一年[2021版] 出版后一年[2023版]

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第一作者单位: [1]Huazhong Univ Sci & Technol,Tongji Hosp,Tongji Med Coll,Dept Gynecol Oncol,Wuhan,Peoples R China [2]Huazhong Univ Sci & Technol,Tongji Hosp,Tongji Med Coll,Key Lab,Minist Educ,Canc Biol Res Ctr,Natl Clin Re,Wuhan,Peoples R China
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通讯机构: [1]Huazhong Univ Sci & Technol,Tongji Hosp,Tongji Med Coll,Dept Gynecol Oncol,Wuhan,Peoples R China [2]Huazhong Univ Sci & Technol,Tongji Hosp,Tongji Med Coll,Key Lab,Minist Educ,Canc Biol Res Ctr,Natl Clin Re,Wuhan,Peoples R China
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