“…It has been clearly established that the presence of fatty acids in albumin increases its non-specific binding, thus an essentially fatty acid free HSA sample-the brand A 1887 (Sigma, St Louis, MO, USA)-was employed in several studies (Sebille et al, 1978;Thuaud et al, 1983;Bree et al, 1986;Oravcová et al, 1991aOravcová et al, , 1995aOravcová et al, ,b, 1996a.…”