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The concentration of chloride in the blood is called serum chloride, and this concentration is regulated by the kidneys. A chloride ion is a structural component of some proteins; for example, it is present in the amylase enzyme. For these roles, chloride is one of the essential dietary mineral (listed by its element name chlorine).
The total number of cations (positive ions) should be equal to the total number of anions (negative ions), so that the overall electrical charge is neutral. However, routine tests do not measure all types of ions. The anion gap is representative of how many ions are not accounted for by the lab measurements used in the calculation. These ...
Also, the chloride-bicarbonate exchanger biological transport protein relies on the chloride ion to increase the blood's capacity of carbon dioxide, in the form of the bicarbonate ion; this is the mechanism underpinning the chloride shift occurring as the blood passes through oxygen-consuming capillary beds.
In the exchangers, these chloride ions do not interact strongly with one another, due to compensating interactions with the protein. In the channels, the protein does not shield chloride ions at one binding site from the neighboring negatively charged chlorides. [6] Each negative charge exerts a repulsive force on the negative charges next to it.
Likewise, there is a net negative charge in solution A from the greater concentration of negative chloride ions than positive sodium ions. Since opposite charges attract and like charges repel, the ions are now also influenced by electrical fields as well as forces of diffusion. Therefore, positive sodium ions will be less likely to travel to ...
The pore formed by an ion channel is aqueous (water-filled) and allows the ion to rapidly travel across the membrane. [33] Ion channels can be selective for specific ions, so there are Na +, K +, Ca 2+, and Cl − specific channels. They can also be specific for a certain charge of ions (i.e. positive or negative). [34]
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Chloride shift (also known as the Hamburger phenomenon or lineas phenomenon, named after Hartog Jakob Hamburger) is a process which occurs in a cardiovascular system and refers to the exchange of bicarbonate (HCO 3 −) and chloride (Cl −) across the membrane of red blood cells (RBCs).