Example sentences for: ammonium

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

  • We later found that some mutant FtsZs were not efficiently precipitated by 25% ammonium sulfate, so we adopted a method using higher ammonium sulfate for the initial precipitation, followed by DEAE chromatography [ 3, 19].

  • Examples of donor-acceptor combinations might include: simple sugars and/or amino acids or other organic molecules in the presence of oxygen or nitrate (organisms capable of heterotrophic respiration), hydrogen and ferric ions or oxidized iron minerals (chemoautotrophic hydrogen oxidizers), organic acids and ferric ions or oxidized iron minerals (heterotrophic iron reducers), bicarbonate/carbonate and trace minerals in the presence and absence of light (photosynthetic organisms), carbon dioxide and a reduced metal such as ferrous ions (chemoautotrophs), ammonium ion and bicarbonate/carbonate (ammonia oxidizers), etc.

  • Indeed, a correlation between EC50 values and quantum mechanics simulations strongly suggests the existence of a cation-pi interaction between a triptophan residue of the ligand binding pocket and the quaternary ammonium of acetylcholine [ 9 ] . A series of grid representations of the ligand binding pocket was generated that accounted for Van der Waals shape, electrostatic potential, as well as hydrogen bonding and hydrophobicity profiles.

  • The sections were placed in 2% cobalt chloride solution for 3 minutes, washed in four 30-sec changes in 100 mM 2-amino-2-methyl-1-propanol at pH 9.4, developed in 1% ammonium sulfide solution for 3 minutes, washed in running tap water for 5 minutes, dehydrated in graded ethanol, cleared in xylene and mounted in Canada balsam.

  • 5 ng/μl trypsin in 50 mM ammonium bicarbonate overnight at 37°C.


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