trypan blue

/ ˈtrɪpæn; ˈtrɪpən; trɪˈpæn /

noun

1. a dye obtained from tolidine that is absorbed by the macrophages of the reticuloendothelial system and is therefore used for staining cells in biological research

Word History and Origins

Origin of trypan blue¹

so called because it is trypano-cidal : see trypanosome , -cide

Example Sentences

But in the clean room, the inspector noticed a drawer labeled "Trypan Blue," which contained 189 vials of the medicine.

From Seattle Times

In a September 2004 inspection over concerns that the company was dispensing trypan blue, a dye used for some eye surgeries that had never been approved by the FDA, Cadden told the agency inspector he had none in stock.

From Seattle Times

But in the clean room, the inspector noticed a drawer labeled “Trypan Blue,” which contained 189 vials of the medicine.

From New York Times

In a September 2004 inspection over concerns that the company was dispensing trypan blue, a dye used for some eye surgeries that had not been approved by the F.D.A.,

From New York Times

He told the agency that he was continuing to dispense trypan blue and that there was nothing in the law saying a compounder could not dispense unapproved products.

From New York Times