Sentence:  These <WSD>conjugates</WSD> * * f had much less nonspecific staining than the previous conjugate ( with 50 mg FITC per gram of globulin ) while the specific staining was similar in both cases . 
Meaning of the word marked with <WSD> tags:  a mixture of two partially miscible liquids A and B produces two conjugate solutions: one of A in B and another of B in A