14853
Crystallization of glycine in the cylindrical nanopores of anodic aluminum oxide ( AAO ) revealed the formation of metastable beta - glycine in pores having diameters less than 200 nm .
 Chemical: glycine; Chemical: aluminum oxide; Chemical: AAO; Chemical: beta - glycine
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: glycine; Chemical: aluminum oxide; Chemical: AAO; Chemical: beta - glycine