Example sentences for: quinone

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

  • Although gamma-tocopherol promotes the cellular uptake of alpha-tocopherol, it clearly did not do so by dramatically protecting alpha-tocopherol from oxidation to alpha-tocopheryl quinone (with no further catabolism/oxidation of alpha-tocopheryl quinone).

  • However, the data in Table 3show that gamma-tocopherol does not slow the oxidation of alpha-tocopherol to alpha-tocopheryl quinone.

  • The tocopherol (or tocopheryl quinone) was measured using a HPLC equipped with a Coulochem II Electrochemical Detector, a ESA Model 580 Solvent Delivery Module, a Column Catecholamine HR-80 (C18, 3 mm, 8 cm), a Model 5011 Analytical Cell, a Model 5020 Guard Cell (Chelmsford, MA), a PE Nelson 900 Series Interface with PE Nelson Turbochrom V4 software (Perkin Elmer, San Jose, CA).

  • After 6 hr (the uptake phase), the medium was replaced with fresh medium without tocopherol (or quinone) and the depletion of tocopherols (or quinones) followed for an additional 4 hours (the depletion phase).

  • Homologs of PRC-H, with a conserved acidic residue that has been shown to have a role in regulating electron transfer in the reduction of the secondary quinone of reaction centers, are also found in non-photosynthetic α -proteobacteria, cyanobacteria, D. radiodurans and the archaeon M. acetivorans.


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