active transport


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active transport

[′ak·tiv ′tranz‚pȯrt]
(physiology)
The pumping of ions or other substances across a cell membrane against an osmotic gradient, that is, from a lower to a higher concentration.
References in periodicals archive ?
The study stressed on the need for "an integrated approach to urban planning, transport planning and public health is needed in order to develop policies that promote active transport, such as adding more segregated cycle lanes for a better environment for cyclists," the researchers noted.
The number of active transport projects in the GCC, meanwhile, increased from 1,413 to 1,424 during the comparative period.
The number of active transport projects in the UAE hit 481 in the first half of 2017, and rose to a value of approximately $88bn (AED325.4bn), according to data revealed by construction intelligence service, BNC Network, this July.
Increasing public and active transport (walking and cycling for transport) while simultaneously facilitating urban greening can provide multiple health benefits.
We showed that neither CCR1 nor CCR5 participate in the trafficking of CCL3, despite active transport of this chemokine across the BBB in vitro suggesting that other mechanisms are involved in the active transport of CCL3 across the BBB in vitro.
Therefore, analysis of the context-specific components of movement-related behavior, such as active transport, should not be performed in isolation but within the complex patterning of the various components of movement-related behaviors [5].
"However, active transport has recently begun to be explored and this work shows that active transport particles can be made smaller and faster," he added.
Such methods of active transport may save lives and millions of health sector dollars.
Sequana Medical is a commercial stage medical device company and a leader in the active transport of fluids within the body.
The system involves the use of needles for the intermediate active transport of drugs and fluids across biological membranes.
It plays a role in the structural development of bone and in the active transport of calcium and potassium ions across cell membranes, which is important for nerve impulse conduction, muscle contraction and normal heart rhythm.
magna suggests that this structure is engaged in the active transport of ions from the medium into the hemolymph to maintain osmotic constancy of the body fluids, as well as trans-epithelial transport of hemolymph macromolecules for synthesis of protein and lipid components of the cuticle covering these organs.