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In this paper, a fluorescent sensor for fluorescence immunoassay is presented. The assembled structure separates the path of emitted fluorescence from that of exciting light, hence the fluorescence is shined upon an N-Well/P-sub silicon photodiode and the exciting light is directed away from the photodiode. The N-Well/P-sub silicon photodiode has a metal mesh pattern which can suppress the incidence...
A topographical substrate with a packed polystyrene microbead (1.98 plusmn 0.20 mum in diameter) array was fabricated for the development of cell-based assay systems targeting voltage-gated calcium channels (VGCCs). We found that the microbead arrayed substrates enhanced the attachment and spreading of the cultured human neural progenitor cells (H945RB.3) as compared to the flat polystyrene surfaces...
Enhanced nonlinear fluorescence is observed in distributed CdS nanocrystals and Au nanoparticles composite thin film. Well-defined spacings between the semiconductor quantum dots (SQDs) and the metal nanoparticles are considered. The samples are excited with the second harmonic generation of a mode-locked Ti-sapphire laser, and fluorescence spectra are measured. An approximately two-fold increase...
We report surface-plasmon enhanced fluorescence in CdSe/ZnS semiconductor quantum dots via linear and nonlinear excitations. 2times and 10times fluorescence enhancements have been achieved for linear and nonlinear excitations, respectively.
We report the development of a multifocal multiphoton microscope (MMM) system using a specially designed streak camera, which is capable of providing simultaneously time- and spectrum-resolved fluorescence microscopy. Temporal and spectral resolutions of the system have been calibrated to be 6.5-200 ps and 1-3 nm respectively. We demonstrate the applicability of the system to spectrum-resolved fluorescence...
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