Ross-Jones test


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Ross-Jones test

(ros jōnz),
an obsolete test for an excess of globulin in the cerebrospinal fluid; 1 mL of cerebrospinal fluid is carefully floated over 2 mL of a concentrated ammonium sulfate solution; if globulin is present in excess, a fine white ring appears at the line of junction in about 3 min.

Ross-Jones test

An obsolete test for detecting excess globulin (i.e., protein) in the cerebrospinal fluid based on the protein precipitation in concentrated ammonium sulphate.

Jones,

Ernest, English psychiatrist, 1879-1958.
Ross-Jones test - see under Ross, Sir George W

Ross,

Sir George W., Canadian physician, 1841-1931.
Ross-Jones test - for an excess of globulin in the cerebrospinal fluid.