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Latest Protein expression Stories

2010-01-07 09:00:00

IPSWICH, Mass., Jan. 7 /PRNewswire/ -- New England Biolabs (NEB) has introduced Lemo21(DE3) Competent E. coli, a tunable T7 expression strain optimized for the expression of difficult constructs, including membrane proteins, toxic proteins and proteins prone to insoluble expression. A derivative of BL21(DE3), Lemo21(DE3) offers the host features of this commonly used expression strain, with the added benefit of being able to finely tune T7 expression. Tunable expression is achieved by...


Word of the Day
sough
  • A murmuring sound; a rushing or whistling sound, like that of the wind; a deep sigh.
  • A gentle breeze; a waft; a breath.
  • Any rumor that engages general attention.
  • A cant or whining mode of speaking, especially in preaching or praying; the chant or recitative characteristic of the old Presbyterians in Scotland.
  • To make a rushing, whistling, or sighing sound; emit a hollow murmur; murmur or sigh like the wind.
  • To breathe in or as in sleep.
  • To utter in a whining or monotonous tone.
According to the OED, from the 16th century, this word is 'almost exclusively Scots and northern dialect until adopted in general literary use in the 19th.'
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