TY - RPRT TI - Poly(dimethylsiloxane)-based microchip for two-dimensional solid-phase extraction-capillary electrophoresis with an integrated electrospray emitter tip. AU - Andreas P Dahlin AU - Sara K Bergström AU - Per E Andrén AU - Karin E Markides AU - Jonas Bergquist PY - 2005 DO - 10.1021/ac050495g UR - https://pubmed.ncbi.nlm.nih.gov/16097780/ ID - 16097780 ER -