Example sentences for: um

How can you use “um” in a sentence? Here are some example sentences to help you improve your vocabulary:

  • Insulin (10 or 20 μM) was diluted into HBSS containing 1 mg/ml BSA, and 5-HT (2 uM) was diluted into HBSS.

  • Most of the elements discovered in the first exuberant wave of Enlightenment chemistry bear abbreviations close to their actual names: Ni for nickel, first identified in 1751 (an abbreviation of German Kupfernickel , copper-demon, so called because miners first noticed it as a stubborn adulterant of copper ore), Al for aluminum—spelled alumin i um in the British Commonwealth nations (named in 1825 from Latin alumen , astringent substance), Co for cobalt (isolated in 1735; the name is a variant of German Kobold , a kind of imp).

  • After cryoprotection in 30% sucrose overnight and 30% sucrose/OCT (1:1) mixture for 8 hours, the tissue was frozen and sections of 30 um were cut with cryostat.

  • The maximal concentration tested was 16 uM.

  • So we have long harbored the suspicion that Bill Weld, jolly and appealing character that he is, might be a bit, um, self-styled--an impression discussed in this week's "Assessment."


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