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Figure 3 | Veterinary Research

Figure 3

From: On-farm colorimetric detection of Pasteurella multocida, Mannheimia haemolytica, and Histophilus somni in crude bovine nasal samples

Figure 3

Colorimetric gradient at increasing pH values. Colorimetric detection of a 1:1 mixture of phosphate-buffered saline (PBS) and Tris–HCl buffer adjusted to pH 6.0–8.0 in approximately 0.2 pH intervals. A Image collected using the Epson Perfection V800 Photo scanner and background whitened using the ImageJ brightness/contrast setting. B Average colorimetric absorbance ratios from three cycles collected with the CLARIOstar Plus.

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Veterinary Research

ISSN: 1297-9716