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Lead citrate is a compound of lead and citrate that is primarily used as an enhancer for heavy metal staining in electron microscopy. [2] This salt binds to osmium and uranyl acetate and enhances contrast in many cellular structures. Lead citrate is highly reactive with carbon dioxide.
Ion exchange is a method widely used in household filters to produce soft water for the benefit of laundry detergents, soaps, and water heaters. This is accomplished by exchanging divalent cations (such as calcium Ca 2+ and magnesium Mg 2+ ) with highly soluble monovalent cations (e.g., Na + or H + ) (see water softening ).
The term "immunostaining" was originally used to refer to the immunohistochemical staining of tissue sections, as first described by Albert Coons in 1941. [1] However, immunostaining now encompasses a broad range of techniques used in histology, cell biology, and molecular biology that use antibody-based staining methods.
[65] A further Notice to Readers published in June 2010 clarified that the results in the 2004 report "should not be used to make conclusions about the contribution of water lead to blood levels in DC, to predict what might occur in other situations where lead levels in drinking water are high, or to determine safe levels of lead in drinking ...
In August, the US Food and Drug Administration greenlit a new maker of an old drug used for the most severe cases of lead poisoning, ending a shortage and stopping the need for importation of the ...
Water softening is the removal of calcium, magnesium, and certain other metal cations in hard water. The resulting soft water requires less soap for the same cleaning effort, as soap is not wasted bonding with calcium ions. Soft water also extends the lifetime of plumbing by reducing or eliminating scale build-up in pipes
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