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This choice also places K-alpha firmly in the X-ray energy range. Similarly to Lyman-alpha, the K-alpha emission is composed of two spectral lines, K-alpha 1 (Kα 1) and K-alpha 2 (Kα 2). [6] The K-alpha 1 emission is slightly higher in energy (and, thus, has a lower wavelength) than the K-alpha 2 emission.
The following table contains a comparison of the major classes of potassium channels with representative examples (for a complete list of channels within each class, see the respective class pages). For more examples of pharmacological modulators of potassium channels, see potassium channel blocker and potassium channel opener.
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BK channels are quite similar to voltage gated K⁺ channels, however, in BK channels only one positively charged residue (Arg213) is involved in voltage sensing across the membrane. [5] Also unique to BK channels is an additional S0 segment, this segment is required for β subunit modulation. [7] [8] and voltage sensitivity. [9]
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The Boltzmann constant (k B or k) is the proportionality factor that relates the average relative thermal energy of particles in a gas with the thermodynamic temperature of the gas. [2] It occurs in the definitions of the kelvin (K) and the gas constant , in Planck's law of black-body radiation and Boltzmann's entropy formula , and is used in ...
[c] [2] For example, a hypothetical weak acid having K a = 10 −5, the value of log K a is the exponent (−5), giving pK a = 5. For acetic acid, K a = 1.8 x 10 −5, so pK a is 4.7. A higher K a corresponds to a stronger acid (an acid that is more dissociated at equilibrium
Potassium voltage-gated channel, Shab-related subfamily, member 1, also known as KCNB1 or K v 2.1, is a protein that, in humans, is encoded by the KCNB1 gene. [ 5 ] [ 6 ] [ 7 ] Potassium voltage-gated channel subfamily B member one, or simply known as KCNB1, is a delayed rectifier and voltage-gated potassium channel found throughout the body.