photoconversion love

photoconversion

Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. photochemical conversion

Etymologies

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Examples

  • For example, in skin vitamin D is produced from UV-B-induced photoconversion of 7-dehydrocholesterol (7-DHC; provitamin D).

    Potential impacts of direct mechanisms of climate change on human health in the Arctic

  • After photoconversion, the excitation peak at 488 nanometers increases approximately 100-fold.

    Archive 2005-10-01

  • As an example, a single point mutation to the native jellyfish peptide creates a photoactivatable version of green fluorescent protein (known as PA-GFP) that enables photoconversion of the excitation peak from ultraviolet to blue by illumination with light in the 400-nanometer range.

    Archive 2005-10-01

  • However, the fluorescence from PS-CFP is approximately 2. 5-fold dimmer than PA-GFP and is inferior to other highlighters in terms of photoconversion efficiency (the 40-nanometer shift in fluorescence emission upon photoconversion is less than observed with similar probes).

    Archive 2005-10-01

  • Expressed as a monomer, this probe is potentially useful in photobleaching, photoconversion and photoactivation investigations.

    Archive 2005-10-01

  • A photoswitchable optical highlighter, termed PS-CFP, derived by mutagenesis of a green fluorescent protein variant, has been observed to transition from cyan to green fluorescence upon illumination at 405 nanometers (note photoconversion of the central cell in Figures 6 (b) and 6 (e)).

    Archive 2005-10-01

  • The abstract to the Nature Chemistry article says that the trick resulted "in an increased photoconversion efficiency of more than 300% over 168 hours".

    New Scientist - Online News

  • We identify key interactions that stabilize the chromophore in the Pfr state and provide structural and mutational evidence to support the essential role of the PHY domain in efficient Pr / Pfr photoconversion.

    Proceedings of the National Academy of Sciences current issue

  • We also identify a pair of conserved residues that may undergo concerted conformational changes during photoconversion.

    Proceedings of the National Academy of Sciences current issue

  • (Per-ARNT-Sim), GAF (cGMP phosphodiesterase / adenyl cyclase / FhlA), and PHY (phytochrome) domains to achieve Pr / Pfr photoconversion.

    Proceedings of the National Academy of Sciences current issue

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