Abstract：
:The ciprofloxacin (CIP) abuse has caused many problems threatening to human health. Here, we design the quantum dot microsphere (QDM) based immunochromatographic quantitative CIP test strip: when the sample under detection contains CIP, the QDM-monoclonal antibody (mAb) probes bound with the CIP and cannot be captured by CIP-bovine serum albumin (BSA) conjugation dispersed on the T lines, reducing the fluorescence intensities. These test strips can provide a low detection limit of 0.05 ng/mL and a wide linear detection range from 0.1 ng/mL to 100 ng/mL in high sensitivity and accuracy as well as good selectivity, reproducibility and stability. Moreover, a smartphone based test strip reader with the size of 85 mm × 48 mm × 44 mm is also fabricated using 3-D printing to automatically and quantitatively detect CIP. The whole process of CIP detection can be finished within 15 min, but only cost ~1 RMB (10 cents).
journal_name
Food Chemjournal_title
Food chemistryauthors
Liu J,Wang B,Huang H,Jian D,Lu Y,Shan Y,Wang S,Liu Fdoi
10.1016/j.foodchem.2020.127596subject
Has Abstractpub_date
2021-01-15 00:00:00pages
127596eissn
0308-8146issn
1873-7072pii
S0308-8146(20)31458-8journal_volume
335pub_type
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