1 Empty Disposable PD-10 Columns are economical, plastic columns for single-use applications using gravity flow.  The columns hold up to approx. 13 ml of chromatography media; the frits can be used as an upper bed support that prevents the medium from running dry under gravity flow.
1 If you are taking it just once a day, it is usually best to take it in the morning. 2  Some people take prednisone every other day. 3  Taking your dose of prednisone too late in the evening may cause difficulty sleeping.
Usually I was prescribed 5-10 mg's a day when I took it, not 40...40 is a very high dose...even 20 is very high. Prednisone also weakens your immune system, which is why people normally only take very small doses for a week or so.