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Fig. 3 | AMB Express

Fig. 3

From: Unusual non-fluorescent broad spectrum siderophore activity (SID EGYII) by Pseudomonas aeruginosa strain EGYII DSM 101801 and a new insight towards simple siderophore bioassay

Fig. 3

SID EGYII typing. a Tetrazolium test showing a red brown color of ferrate hydroxamate SID EGYII. b Neilands spectrophotometric assay showing a peak of absorbance between 420 and 450 nm of hydroxamate SID EGYII. Values are averages of three readings ± standard error bars. c Arnow’s test showing absence of red color (no catecholate siderophore)

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