Volume 24, Issue 3 (July 1979)
Absorption Test Using Latex Particles as the Indicator System for the Species Identification of Bloodstains and Muscles
In the practice of forensic medicine, various methods [1–11] have been applied to determine whether a bloodstain is of human or animal origin. In 1901, Uhlenhuth , Wassermann and Schütze , Stern , and Nuttall and Dinkelspiel  found the specific precipitation of antiserum and corresponding serum proteins and recommended forensic science use of this phenomenon for the species identification of bloods. The test by means of the interfacial or ring precipitin technique  has been widely employed. This method is simple but has poor reproducibility , and specific antisera are not easily prepared .