Which Joe gave his name to ‘sloppy joes’? We look at five interesting sandwiches and their lexical origins.
A diazo dye used as a biological stain due to its absorption by macrophages of the reticuloendothelial system.
- ‘Differential cell counts and trypan blue staining revealed a purity and viability of isolated macrophages of greater than 95% in all groups.’
- ‘BAL cells were stained with trypan blue, and viable cells were counted using a hemocytometer.’
- ‘At the end of ultrasound exposure, cells were stained with trypan blue.’
- ‘The cells were released for implantation if the cell viability was more than 85%, as determined with trypan blue staining.’
- ‘Low levels of positively stained trypan blue dye were demonstrated in all subject groups, consistent with high viability.’
Early 20th century: trypan from trypanosome.
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The definitions of ‘buddy’ and ‘bro’ in the OED have recently been revised. We explore their history and increase in popularity.