Sentence examples for background discoloration from inspiring English sources

Other factors accounting for the inconclusive results included high IFN-γ readouts in the negative control well and high background discoloration of the wells likely related to the high protein and mucus content of induced sputum.

To determine the optimal method for sputum homogenization different volumes of 0.1% dithiothreitrol (DTT) (Sigma, UK) were added to sputum samples, and the volume and rolling time determined by the sample's final macroscopic appearance, viability of the induced sputum mononuclear cells (trypan blue method), and the degree of background discoloration in the ELISPOT well.

The destaining of the gels was carried out in pure water for 30 min in the dark followed by an exposure to the light till background discoloration.

In summary, a 2∶1 volume ratio of 0.1% DTT to induced sputum with a rolling time of 20 minutes was sufficient to digest all mucins with minimal cell death and background well discoloration of the assays.

They are often asymptomatic, but common signs and symptoms include pruritus, burning or stinging pain, bleeding and crusting., AKs are most often seen on a background of dermatoheliosis with solar elastosis, yellow discoloration, dyspigmentation, telangiectasias, ephelides, lentigos, sagging skin or on skin areas with field cancerization.

As for the discoloration?

The discoloration can last for several days.

And yet the green discoloration is unusual.

When death is imminent, the breathing changes, and discoloration begins.

Also watch for crusting, bleeding, scaling or discoloration.

Also promises to help even out discoloration.