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ionophore
This term is used exclusively within specialized scientific registers, specifically in biochemistry, pharmacology, and cellular biology. It describes a highly specific mechanism of transport where a molecule acts as a shuttle, shielding a charged ion from the hydrophobic interior of a lipid bilayer to allow it to pass through the membrane.
In a laboratory setting, ionophores are often employed as tools to manipulate intracellular ion concentrations to study cell signaling or to induce apoptosis. Because they are typically derived from microorganisms, they are frequently categorized as antibiotics, though their primary utility in research is their ion-selective transport capability.
Ý nghĩa
Ví dụ
The researcher added an ionophore to the buffer to equilibrate the ion concentrations.
The researcher added an ionophore to the buffer to equilibrate the ion concentrations.
Does this specific ionophore target calcium or sodium ions?
Certain antibiotics act as an ionophore by disrupting the membrane potential of the bacteria.
I wonder if this synthetic ionophore can improve the selectivity of the sensor.
The cell membrane became leaky after the introduction of the ionophore.
We need to determine the binding affinity of the ionophore for the target cation.
The use of an ionophore allows ions to bypass the standard protein channels.