It is also used to detect activity of this enzyme in histochemistry and bacteriology. He is considered one of the fathers of histochemistry. He received his PhD for his study of the histochemistry of focal epilepsies. These standards are published in the Commission's journal Biotechnic & Histochemistry. Earlier names of the journal are "Histochemie" and "Histochemistry". With this, he was hailed as the "father of histochemistry". In particular, he studied the adrenal gland, conducting pioneering work in histochemistry. Springer Science+Business Media and the official journal of the Society for Histochemistry. Striosomes were discovered by Ann Graybiel in 1978 using acetylcholinesterase histochemistry. "Stain Technology" (now "Biotechnic & Histochemistry").