shuttle

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shut·tle

(shŭt'ĕl),
A going back and forth regularly; used in respect to certain transport processes across a biomembrane.

shuttle

Space medicine
Any of the five—Columbia, Challenger, Discovery, Atlantis and Endeavour—reusable spacecraft that carried personnel and equipment into orbit, providing platform of the cutting-edge research critical in constructing the largest structure in space, the International Space Station. The first mission was launched in April 1981; the last space shuttle mission, STS-135, ended in July 2011.

shuttle

(shŭt′l)
To transport an object back and forth; in cell biology or biochemistry, to carry a molecule repeatedly across a cell membrane.

shuttle

the transport of electrons or organic groups across biological membranes.

shuttle system
means of transfer of reducing equivalents as NADH and H+ from the cytosol to mitochondria. The two main systems are: α-glycerophosphate shuttle and malate-aspartate shuttle.
References in periodicals archive ?
The shuttling mold half slides on roller bearings and is powered by servo-controlled hydraulic cylinders.
The GoMAX (TM) is a prime example of Conoco's innovative application of technology," said Bob Lindsay, president of Seahorse Shuttling.
Oshlo said Conoco remains confident that the Minerals Management Service (MMS) will approve the shuttling concept in the Gulf of Mexico.