3528
This is favoured by the seeding effect of the PEI-modified Mg particles over the PLA re-precipitation during the composite shaping .
 Mg, PLA, composite
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: manufacturing standard, machanical property, manufacturing process, material, engineering feature, process parameter, machine or equipment, application, process characterization, enabling technology, biomedical, concept or principle 
Text: {0} 
Answer:
 Mg, PLA, composite