Title Point-of-Care Multiplexed Assays of Nucleic Acids Using Microcapillary-based Loop-Mediated Isothermal Amplification
Authors Zhang, Yi
Zhang, Lu
Sun, Jiashu
Liu, Yulei
Ma, Xingjie
Cui, Shangjin
Ma, Liying
Xi, Jianzhong Jeff
Jiang, Xingyu
Affiliation Beijing Engn Res Ctr BioNanotechnol, Beijing 100190, Peoples R China.
Natl Ctr Nanosci & Technol, Key Lab Biol Effects Nanomat & Nanosafety, Beijing 100190, Peoples R China.
Peking Univ, Coll Engn, Dept Biomed Engn, Beijing 100871, Peoples R China.
Chinese Ctr Dis Control & Prevent China CDC, State Key Lab Infect Dis Prevent & Control, Natl Ctr AIDS STD Control & Prevent NCAIDS, Collaborat Innovat Ctr Diag & Treatment Infect Di, Beijing 102206, Peoples R China.
CAAS, Harbin Vet Res Inst, State Key Lab Vet Biotechnol, Harbin 150001, Peoples R China.
Keywords POLYMERASE-CHAIN-REACTION
CAPILLARY SENSOR ARRAY
REVERSE-TRANSCRIPTION
MICROFLUIDIC SYSTEMS
RAPID DETECTION
DNA EXTRACTION
DIGITAL PCR
LAMP
DEVICE
ELECTROPHORESIS
Issue Date 2014
Publisher analytical chemistry
Citation ANALYTICAL CHEMISTRY.2014,86,(14),7057-7062.
Abstract This report demonstrates a straightforward, robust, multiplexed and point-of-care microcapillary-based loop-mediated isothermal amplification (cLAMP) for assaying nucleic acids. This assay integrates capillaries (glass or plastic) to introduce and house sample/reagents, segments of water droplets to prevent contamination, pocket warmers to provide heat, and a hand-held flashlight for a visual readout of the fluorescent signal. The cLAMP system allows the simultaneous detection of two RNA targets of human immunodeficiency virus (HIV) from multiple plasma samples, and achieves a high sensitivity of two copies of standard plasmid. As few nucleic acid detection methods can be wholly independent of external power supply and equipment, our cLAMP holds great promise for point-of-care applications in resource-poor settings.
URI http://hdl.handle.net/20.500.11897/154258
ISSN 0003-2700
DOI 10.1021/ac5014332
Indexed SCI(E)
EI
Appears in Collections: 工学院

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