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The structural morphology and spectra characteristic of ofloxacin (OFL) was strongly affected by the pH. In strong acidic solutions, OFL molecule exists as strong cation to achieve a weaker intensity. When the pH value increased to 3-4, OFL molecule exists as zwitterions, which is the strongest fluorescence form to have maximum intensity; the maximum exciting and emission wavelength of OFL were 298...
In an effort to manufacture a high-performance disposable microfluidic system for applications in medical diagnostics, a series of studies were carried. Surface modification on COC, nanoparticle-based immunoassays on COC, manufacturing cross flow microfluidic system, synthesis of a pair of molecules for fluorescence resonance energy transfer (FRET) and preparation of a FRET nanoparticle are presented...
A micro-optic-fluidic spectrometer is demonstrated for the fluorescence detection of moving particles in a microfluidic chip. The object is excited within an integrated 3D liquid-liquid waveguide and its fluorescence spectrum is real-time recorded with resolution of 10 nm. Three different types of fluorescence beads were tested and distinguished by this spectrometer which holds a promising new concept...
The laser-induced fluorescence spectroscopy was used to investigate to investigate water stress in orange trees (Citrus aurantium LN). In our experiments, six three were under water stress conditions and four in regular conditions, as control. The fluorescence spectroscopy was investigated by using a 442-nm 15 mW He-Cd gas multimode discharge laser and 532-nm 10 mW Nd3+:YAG laser for fourteen days...
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