Yameng Yan

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Gold'n'beads: A chemiluminescence immunoassay for the sensitive and rapid determination of AFP has been developed, employing bromophenol blue as a novel chemiluminescence enhancer by taking advantages of easy separation by magnetic beads and signal amplification by gold nanoparticles based on a sandwich-type immunoreaction (see scheme).A novel and sensitive(More)
In the present study, binary and triplex DNA molecular beacons, as signaling probes based on a luminol-H(2)O(2)-horseradish peroxidase (HRP)-fluorescein chemiluminescence resonance energy transfer (CRET) system and structure-switching aptamers for highly sensitive detection of small molecules, are developed using adenosine triphosphate (ATP) as a model(More)
Strategies used by Microcystis aeruginosa, bloom-forming cyanobacteria, for potential inorganic arsenic (arsenate and arsenite) uptake, and depuration kinetics under phosphate-enriched (+P) and depleted (-P) treatments were examined via short- and long-term experiments. Phosphate depletion improved arsenate or arsenite uptake rate constants. M. aeruginosa(More)
Titanium dioxide nanoparticles (nano-TiO2) are widely used in consumer products. Nano-TiO2 dispersion could, however, interact with metals and modify their behavior and bioavailability in aquatic environments. In this study, we characterized and examined arsenate (As(V)) accumulation, distribution, and toxicity in Daphnia magna in the presence of nano-TiO2.(More)
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