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[mass noun] A flammable compound which forms a corrosive solution in water and is used as a buffer and emulsifying agent.
- ‘After incubation for half an hour, the sections were rinsed with tris buffer, peroxidase solution was added, incubated for 30 min and later rinsed with the buffer.’
- ‘Four times PCV of buffer I (10 mM tris, 1 mM ethylenediamine-tetraacetic acid [EDTA] and 5 mM dithiothreitol [DTT]) was added and the mixture was incubated on ice for 20 min.’
- ‘Nonspecific sites were blocked with blocking solution containing 20 mM tris base, 150 mM sodium chloride, 3% nonfat milk, and 0.3% Tween 20 for 1 h at room temperature.’
- ‘Fourth, under certain conditions, such as supported multibilayers or a supported bilayer prepared in tris buffer, lipid bilayers can form ripple phases.’
- ‘After transferring the membranes were blocked with 3 per cent bovine serum albumin in tris buffered saline and 0.1 per cent tween 20 and incubated with patients' sera followed by IgM / IgG (Sigma, USA).’
1950s: from tris-, the prefix of the systematic name.
[mass noun] An organophosphorus compound, used as a flame retardant.
- ‘The flame retardant, tris(2,3-dibromopropyl)phosphate (tris-BP), which is a mutagen and causes cancer and sterility in animals is absorbed from fabric by people.’
- ‘We illustrate our approach through application to data from a study of mutation induction in lacI transgenic mice after exposure to the flame retardant tris (2,3-dibromopropyl) phosphate.’
- ‘Another flame retardant, tris-(1,3-dichloro-2-propyl)-phosphate, and its expected metabolites are mutagens.’
1970s: from tris-, the prefix of the systematic name.
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