In July 2011 a new concept of a closed microfluidic system equipped with a fixed micropipette, optical tweezers and a UV-Vis spectrometer was presented [Biomed. Opt. Express 2, 2299 (2011)]. Figure 1 showed falsely oriented mirrors. To clarify the design of the setup, this erratum presents a correct schematic.
Keywords: (110.0180) Microscopy; (170.3880) Medical and biological imaging; (220.4000) Microstructure fabrication; (280.2490) Flow diagnostics; (300.1030) Absorption; (350.4855) Optical tweezers or optical manipulation.