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.’
- ‘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.’
- ‘At the end of ultrasound exposure, cells were stained with trypan blue.’
Early 20th century: trypan from trypanosome.
We take a look at several popular, though confusing, punctuation marks.
From Afghanistan to Zimbabwe, discover surprising and intriguing language facts from around the globe.
The definitions of ‘buddy’ and ‘bro’ in the OED have recently been revised. We explore their history and increase in popularity.