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Polystyrene sulfonates are a group of medications used to treat high blood potassium. [1] Effects generally take hours to days. [1] They are also used to remove potassium, calcium, and sodium from solutions in technical applications. Common side effects include loss of appetite, gastrointestinal upset, constipation, and low blood calcium. [1]
Hypokalemia, hypomagnesaemia, nausea or vomiting are side effects commonly seen when polystyrene resins are used. Cases of colonic necrosis have been reported, particularly when sodium polystyrene sulfonate was used in combination with the laxative sorbitol. Additionally, electrolyte disturbances, systemic alkalosis or gastric irritation may occur.
Common side effects include constipation and nausea. [1] When taken by mouth high blood calcium is uncommon. [1] Calcium supplements, unlike calcium from dietary sources, appear to increase the risk of kidney stones. [1] Adults generally require about a gram of calcium a day. [1] Calcium is particularly important for bones, muscles, and nerves. [1]
Patiromer was generally well tolerated in studies. Side effects that occurred in more than 2% of patients included in clinical trials were mainly gastro-intestinal problems such as constipation, diarrhea, nausea, and flatulence, and also hypomagnesemia (low levels of magnesium in the blood) in 5% of patients, because patiromer binds magnesium in the gut as well.
These methods include polystyrene microspheres, nanoparticles, and solid foams. In the biomedical engineering field, these methods assist researchers in drug delivery, diagnostics, and imaging strategies. [1] [2] A common group of medication that utilizes a combination of polystyrene and sulfonate functional groups are polystyrene sulfonates. [3]
Ion-exchange resin beads. An ion-exchange resin or ion-exchange polymer is a resin or polymer that acts as a medium for ion exchange, that is also known as an ionex. [1] It is an insoluble matrix (or support structure) normally in the form of small (0.25–1.43 mm radius) microbeads, usually white or yellowish, fabricated from an organic polymer substrate.
The primary site for ether cleavage is the α-carbon (carbon atom attached to the aromatic ring) of the propyl (linear three carbon) side chain. The following structures do not specify the structure since lignin and its derivatives are complex mixtures: the purpose is to give a general idea of the structure of lignosulfonates.
Polystyrene sulfonate, a cation-exchange resin, is typically supplied with Na + as the counterion. In chemistry , a counterion (sometimes written as " counter ion ", pronounced as such) is the ion that accompanies an ionic species in order to maintain electric neutrality.