English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

The position of oxygen equilibrium curve (OEC) for human adult Hb at rest is optimized with respect to the effectiveness of the Bohr shift which is measured by the change in O2 saturation at a venous O2 pressure of 40 torr per unit change in partial pressure of O2 at half saturation (dS(40)/dP50). The effectiveness of the Bohr shift at the physiological P50 of 27 torr depends on the cooperativity of O2 binding calculated by the Hill coefficient n, being maximized at n = 4. The effectiveness of the Bohr shift during exercise, which was expressed as dS(PvO2)/dP50, was the highest at the PvO2 (venous O2 pressure) of 28 torr. The effectiveness of the Bohr shift at PvO2 of 28 torr increased with increases n value (n value ranged from 2.65 to 3.27), while below PvO2 of 15 torr the opposite was true. As a whole, the position of the OEC of human adult Hb at rest is optimized with respect to the effectiveness of the Bohr shift while the efficiency of O2 delivery is moderately maintained. On the other hand, during exercise the position of the OEC is adjusted to make the efficiency of O2 delivery at high levels while the effectiveness of the Bohr shift is maintained at the same level as that at rest.

zoological science

A New Look on the Position of the Oxygen Equilibrium Curve of Human Adult Hemoglobin at Rest and during Exercise with Special Reference to the Effectiveness of the Bohr Shift