Optical sensing in microfluidic lab-on-a-chip by femtosecond-laser-written waveguides (Articolo in rivista)

Type
Label
  • Optical sensing in microfluidic lab-on-a-chip by femtosecond-laser-written waveguides (Articolo in rivista) (literal)
Anno
  • 2009-01-01T00:00:00+01:00 (literal)
Alternative label
  • Martinez V.R.; Osellame R.; Cretich M.; Chiari M.; Dongre C.; Hoekstra H.J.; Pollnau M.; van den Vlekkert H.; Ramponi R.; Cerullo G. (2009)
    Optical sensing in microfluidic lab-on-a-chip by femtosecond-laser-written waveguides
    in Analytical & bioanalytical chemistry (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Martinez V.R.; Osellame R.; Cretich M.; Chiari M.; Dongre C.; Hoekstra H.J.; Pollnau M.; van den Vlekkert H.; Ramponi R.; Cerullo G. (literal)
Pagina inizio
  • 1209 (literal)
Pagina fine
  • 1216 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 393 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1. Politecn Milan, Dipartimento Fis, CNR, Ist Foton & Nanotecnol, I-20133 Milan, Italy 2. CNR, Ist Chim Riconoscimento Mol, I-20131 Milan, Italy 3. Univ Twente, MESA Inst Nanotechnol, NL-7500 AE Enschede, Netherlands 4. LioniX BV, NL-7500 AH Enschede, Netherlands (literal)
Titolo
  • Optical sensing in microfluidic lab-on-a-chip by femtosecond-laser-written waveguides (literal)
Abstract
  • We use direct femtosecond laser writing to integrate optical waveguides into a commercial fused silica capillary electrophoresis chip. High-quality waveguides crossing the microfluidic channels are fabricated and used to optically address, with high spatial selectivity, their content. Fluorescence from the optically excited volume is efficiently collected at a 90 angle by a high numerical aperture fiber, resulting in a highly compact and portable device. To test the platform we performed electrophoresis and detection of a 23-mer oligonucleotide plug. Our approach is quite powerful because it allows the integration of photonic functionalities, by simple post-processing, into commercial LOCs fabricated with standard techniques. (literal)
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