Visual PSR detection of P. aeruginosa isolates from clinical samples. The results were visualized by the addition of 1 μl HNB solution to the 25-μl reaction mix before the PSR reaction. 1, Negative control (double-distilled water); 2, positive control (P. aeruginosa ATCC 15442); 3, positive control (P. aeruginosa CMCC 10539); 4, P. aeruginosa SY-79; 5, P. aeruginosa SY-23; 6, P. aeruginosa SY-33; 7, P. aeruginosa SY-11; 8, P. aeruginosa SY-18; 9, P. aeruginosa SY-29; 10, P. aeruginosa SY-69; 11, P. aeruginosa SY-34; 12, P. aeruginosa SY-05; 13, P. aeruginosa SY-24; 14, P. aeruginosa SY-95; 15, P. aeruginosa SY-63; 16, P. aeruginosa SY-59; 17, P. aeruginosa SQ-25; 18, P. aeruginosa SQ-129; 19, P. aeruginosa SQ-09; 20, P. aeruginosa SQ-01; 21, P. aeruginosa SQ-23; 22, P. aeruginosa SQ-29; 23, P. aeruginosa SQ-37; 24, P. aeruginosa SQ-14; 25, P. aeruginosa SQ-73; 26, P. aeruginosa WJ-44; 27, P. aeruginosa WJ-66; 28, P. aeruginosa WJ-98; 29, P. aeruginosa WJ-83; 30, P. aeruginosa WJ-9; 31, P. aeruginosa WJ-26; 32, P. aeruginosa WJ-27; 33, P. aeruginosa WJ-49; 34, P. aeruginosa WJ-57; 35, P. aeruginosa WJ-41; 36, P. aeruginosa WJ-72; 37, P. aeruginosa WJ-95; 38, P. aeruginosa WJ-23; 39, P. aeruginosa WJ-01; 40, P. aeruginosa WJ-06.