A decoupler-free simple paper microchip capillary electrophoresis device for simultaneous detection of dopamine, epinephrine and serotonin† Appan Roychoudhury,ab Kevin Antony Francis,ab Jay Patel,c Sandeep Kumar Jha ab and Suddhasatwa Basu *d Author affiliations * Corresponding authors a Centre for Biomedical Engineering, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India b Department of Biomedical Engineering, All India Institute of Medical Sciences, New Delhi 110029,...