Limit detection of C. krusei. (Left) Chip images showing the detection of C. krusei with different cell inputs. (Right) Chip map. Calb, C. albicans; Ckru, C. krusei; Cpar, C. parapsilosis; Ctro, C. tropicalis; Cgla, C. glabrata; Fid, fiducial (colored carboxylated polystyrene microspheres spotted for easy orientation identification).