23619
Uniform Pt - Cu alloy nanocrystals in the shape of dendrite , , yolk - cage , and box structures are prepared via a facile wet - chemical reduction route in which glycine is demonstrated to alter the reduction kinetics of metal cations , critical to the morphology of the obtained product .
 Chemical: Pt - Cu; Chemical: 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: Pt - Cu; Chemical: glycine