Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- abbreviation chemistry the
negative logarithm (to thebase 10) of the dissociation constant of anelectrolyte . - abbreviation chemistry the
pH at whichequal concentrations of theacidic andbasic forms of asubstance are present. - abbreviation metrology Symbol for the
picokelvin , anSI unit ofthermodynamic temperature equal to 10−12kelvins .
Etymologies
Sorry, no etymologies found.
Examples
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Since the pK is a constant the only way the ocean, for example, can absorb more CO
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Since the pK is a constant the only way the ocean, for example, can absorb more CO
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Since the pK is a constant the only way the ocean, for example, can absorb more CO
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In this T-shaped conformation, Phe192 is likely to increase the acidity of the phenol group of the catalytic Tyr155 from a pK, which presumably might facilitate the hydride transfer to the estrone.
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When this occurs, the pH = pK a A buffer is effective at a pH within approximately ± 1 of the pKa • Buffer capacity: The more highly concentrated the buffer solution, the more acid or base it can "consume".
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Carbonic acid's acidity is 6.36 pK, it's boiling point is at -78 C, and it's melting point is 210 C.
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Consequently, biochemists are interested in the pK values of the ionizable groups in proteins and how these pK values depend on their environment.
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Consequently, biochemists are interested in the pK values of the ionizable groups in proteins and how these pK values depend on their environment.
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Assuming a pK a of 10, as is usual for a Tyr residue, then deprotonation of Tyr419 will further increase the barrier to
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Assuming a pK a of 10, as is usual for a Tyr residue, then deprotonation of Tyr419 will further increase the barrier to
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