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Chai found that the bioactivity of the CaP coated Ti6Al4V scaffold to ) was significantly improved and it was possible to produce osteoinductive for the repair of bone defects .
 machanical property: bioactivity; application: coated; engineering feature: scaffold; biomedical: osteoinductive; biomedical: bone defects
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: 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:
 machanical property: bioactivity; application: coated; engineering feature: scaffold; biomedical: osteoinductive; biomedical: bone defects