Change the medium 1 h before transfection. 2| To prepare the calcium phosphate–DNA coprecipitate, combine 100 μl of 2.5 M CaCl 2 with 25 μg of plasmid DNA in a sterile 5-ml plastic tube and ...

WHEN an acid phosphate is applied to a soil containing calcium carbonate or mixed with liming material a reaction will occur leading to the formation of more basic phosphates such as dicalcium ...

But calcium shows up in lots of other stuff too. For example, the hard part of your bones and teeth is made from calcium connected to a chemical called “phosphate”. Together, they make the substance, ...