«Potassium is a chemical element with symbol K (from Neo-Latinkalium) and atomic number 19. It was first isolated from potash, the ashes of plants, from which its name derives. In the periodic table, potassium is one of the alkali metals. All of the alkali metals have a single valence electron in the outer electron shell, which is easily removed to create an ion with a positive charge – a cation, which combines with anions to form salt. Potassium in nature occurs only in ionic salt. Elemental potassium is a soft silvery-white alkali metal that oxidizes rapidly in air and reacts vigorously with water, generating sufficient heat to ignite hydrogen emitted in the reaction, and burning with a lilac-colored flame. It is found dissolved in sea water (which is 0.04% potassium by weight), and is part of many minerals.
Potassium is chemically very similar to sodium, the previous element in group 1 of the periodic table. They have a similar first ionization energy, which allows for each atom to give up its sole outer electron. That they are different elements that combine with the same anions to make similar salt was suspected in 1702, and was proven in 1807 using electrolysis. Naturally occurring potassium is composed of three isotopes, of which 40K is radioactive. Traces of 40K are found in all potassium, and it is the most common radioisotope in the human body.
Potassium ions are vital for the functioning of all living cell. The transfer of potassium ions through nerve cell membranes is necessary for normal nerve transmission; potassium deficiency and excess can each result in numerous signs and symptoms, including an abnormal heart rhythm and various electrocardiographic abnormalities. Fresh fruits and vegetables are good dietary sources of potassium. The body responds to the influx of dietary potassium, which raises serum potassium levels, with a shift of potassium from outside to inside cell and an increase in potassium excretion by the kidney.
Most industrial applications of potassium exploit the high solubility in water of potassium compounds, such as potassiumsoaps. Heavy crop production rapidly depletes the soil of potassium, and this can be remedied with agricultural fertilizers containing potassium, accounting for 95% of global potassium chemical production.» (wikipedia)
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This screen hints what BioMindmap can do with medical objects
- See 10 Biolinks that connect Potassium with other objects
- Group Biolinks by type — promoters and inhibitors separately
- Summarize how other objects relate to Potassium
- There are 5 Evidences supporting 10 Potassium Biolinks
Guide for Good Sources list of respected domains.
The ValidityScore showsthe quality of evidences, with max 9.9.
- Potassium Mindmap — near connections
- Mindmap with ValidityScore 5.0 — near connections
- Mindmap of Potassium. and Subnodes: .
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- Instream into nodes that connect into Potassium.
- Outstream from nodes that go out from Potassium.
- Promoters of Potassium
- Add biolink i.e. «X increases Potassium». Intuitively easy.
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