Sentence:  When 1 ml of conjugate was passed through a column ( * * f ) , the first and second milliliter fractions collected were the most specific and gave no nonspecific staining in some experiments , and <WSD>very</WSD> little in others . 
Meaning of the word marked with <WSD> tags:  used as intensifiers; `real' is sometimes used informally for `really'; `rattling' is informal