active transport

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  • noun

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transport of a substance (as a protein or drug) across a cell membrane against the concentration gradient

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References in periodicals archive ?
The selection of probiotics, such as lactobacilli and bifidobacteria and the active uptake of neurochemicals, generated by bacteria in the gut and circulated through a patient's bloodstream, represents a pathway for probiotics to exert extra-intestinal effects including behavioral changes.
Active uptake into the cell occurs via organic anion transporting polypeptides.
Specific topics include active uptake system of L-DOPA in the central nervous system, physiological release of DOPA, the possible existence of DOPA recognition sites, blood pressure regulation in lower brainstem and responses to levodopa and glutamate, neuroprotective and neurotoxic effects of L-DOPA in rat midbrain dopaminergic neurons in culture, and effect of neonatal treatment with monosodium glutamate on dopamine and DOPA neurons in the medial basal hypothalamus of rats.
The very specific binding of 131I-TM601 to tumor tissue and its active uptake into cancer cells means that we are able to deliver a very targeted, concentrated dose of radiation to tumors," said Dr.
A full Life Cycle evaluation of cost and environmental benefits will be disseminated via EU ETV forums to ensure active uptake of the technology offering by comparing it to traditional UV technology in terms of energy, infrastructure and lifetime costs.