levorotation

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levorotation

[¦lē·və·rō′tā·shən]
(optics)
Rotation of the plane of polarization of plane polarized light in a counterclockwise direction, as seen by an observer facing in the direction of light propagation. Also known as levulorotation.
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4,5) Because 2 isolated from the insect was levorotatory, its absolute configuration was unambiguously assigned as R.
Further, the levorotatory enantiomers of the structural class were known to possess the analgesic effects of morphine.
Bupivacaine or its levorotatory isomer levobupivacaine, were the local analgesic (LA) agents used in all five cases.
Levosimendan, the levorotatory form, was shown to exert a positive inotropic effect in isolated cardiac preparations (41), with greater potency than the dextrorotatory isomer, dextrosimendan (42).