National Nanotechnology Laboratory of CNR-INFM, Università del Salento, I-73100, Lecce, Italy.
Lab Chip. 2009 Oct 7;9(19):2851-6. doi: 10.1039/b906188f. Epub 2009 Jul 7.
We introduce the integration of organic, polarised light-emitting electrospun nanofibers and lab-on-a-chip microchannel geometries. The alignment and spinning electric field leads to ordered mesoscopic active areas, up to many mm(2), which exhibit polarised light emission and are fully compatible with microlithographies and microfluidics. We utilise the nanofibers demonstrating the photo-excitation of flowing dye chromophores in microchannels. This leads to easy decoupling the excitation and sample emission by polarisation analysers, thus remarkably increasing the imaging signal to background noise ratio.
我们介绍了有机、极化发光电纺纳米纤维与微流控芯片微通道几何结构的集成。通过对齐和旋转电场，得到了长达数平方毫米的有序介观活性区，其表现出偏振发光特性，并且与微光刻和微流控完全兼容。我们利用纳米纤维演示了在微通道中流动染料发色团的光激发。这通过偏振分析器实现了激发和样品发射的轻松解耦，从而显著提高了成像信号与背景噪声的比值。
